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import {
  init_define_ARTICLE_INFO_LOCALES,
  init_define_BACK_TO_TOP_LOCALES,
  init_define_CODE_COPY_LOCALES,
  init_define_CODE_COPY_OPIONS,
  init_define_CODE_DEMO_OPTIONS,
  init_define_COMMENT_OPTIONS,
  init_define_DOCSEARCH_OPTIONS,
  init_define_EXTERNAL_LINK_ICON_LOCALES,
  init_define_MERMAID_OPTIONS,
  init_define_PAGINATION_LOCALES,
  init_define_PHOTO_SWIPE_LOCALES,
  init_define_PHOTO_SWIPE_OPTIONS,
  init_define_PWA_LOCALES,
  init_define_READING_TIME_LOCALES,
  init_define_REVEAL_CONFIG,
  init_define_TOC_LOCALES,
  init_define_WALINE_LOCALES
} from "./chunk-ITMHRGU7.js";

// dep:katex
init_define_ARTICLE_INFO_LOCALES();
init_define_BACK_TO_TOP_LOCALES();
init_define_CODE_COPY_LOCALES();
init_define_CODE_COPY_OPIONS();
init_define_CODE_DEMO_OPTIONS();
init_define_COMMENT_OPTIONS();
init_define_MERMAID_OPTIONS();
init_define_PAGINATION_LOCALES();
init_define_PHOTO_SWIPE_LOCALES();
init_define_PHOTO_SWIPE_OPTIONS();
init_define_PWA_LOCALES();
init_define_READING_TIME_LOCALES();
init_define_REVEAL_CONFIG();
init_define_TOC_LOCALES();
init_define_WALINE_LOCALES();
init_define_DOCSEARCH_OPTIONS();
init_define_EXTERNAL_LINK_ICON_LOCALES();

// node_modules/katex/dist/katex.mjs
init_define_ARTICLE_INFO_LOCALES();
init_define_BACK_TO_TOP_LOCALES();
init_define_CODE_COPY_LOCALES();
init_define_CODE_COPY_OPIONS();
init_define_CODE_DEMO_OPTIONS();
init_define_COMMENT_OPTIONS();
init_define_MERMAID_OPTIONS();
init_define_PAGINATION_LOCALES();
init_define_PHOTO_SWIPE_LOCALES();
init_define_PHOTO_SWIPE_OPTIONS();
init_define_PWA_LOCALES();
init_define_READING_TIME_LOCALES();
init_define_REVEAL_CONFIG();
init_define_TOC_LOCALES();
init_define_WALINE_LOCALES();
init_define_DOCSEARCH_OPTIONS();
init_define_EXTERNAL_LINK_ICON_LOCALES();
var SourceLocation = class {
  constructor(lexer, start, end) {
    this.lexer = void 0;
    this.start = void 0;
    this.end = void 0;
    this.lexer = lexer;
    this.start = start;
    this.end = end;
  }
  static range(first, second) {
    if (!second) {
      return first && first.loc;
    } else if (!first || !first.loc || !second.loc || first.loc.lexer !== second.loc.lexer) {
      return null;
    } else {
      return new SourceLocation(first.loc.lexer, first.loc.start, second.loc.end);
    }
  }
};
var Token = class {
  constructor(text2, loc) {
    this.text = void 0;
    this.loc = void 0;
    this.noexpand = void 0;
    this.treatAsRelax = void 0;
    this.text = text2;
    this.loc = loc;
  }
  range(endToken, text2) {
    return new Token(text2, SourceLocation.range(this, endToken));
  }
};
var ParseError = class {
  constructor(message, token) {
    this.position = void 0;
    var error = "KaTeX parse error: " + message;
    var start;
    var loc = token && token.loc;
    if (loc && loc.start <= loc.end) {
      var input = loc.lexer.input;
      start = loc.start;
      var end = loc.end;
      if (start === input.length) {
        error += " at end of input: ";
      } else {
        error += " at position " + (start + 1) + ": ";
      }
      var underlined = input.slice(start, end).replace(/[^]/g, "$&\u0332");
      var left;
      if (start > 15) {
        left = "\u2026" + input.slice(start - 15, start);
      } else {
        left = input.slice(0, start);
      }
      var right;
      if (end + 15 < input.length) {
        right = input.slice(end, end + 15) + "\u2026";
      } else {
        right = input.slice(end);
      }
      error += left + underlined + right;
    }
    var self = new Error(error);
    self.name = "ParseError";
    self.__proto__ = ParseError.prototype;
    self.position = start;
    return self;
  }
};
ParseError.prototype.__proto__ = Error.prototype;
var contains = function contains2(list, elem) {
  return list.indexOf(elem) !== -1;
};
var deflt = function deflt2(setting, defaultIfUndefined) {
  return setting === void 0 ? defaultIfUndefined : setting;
};
var uppercase = /([A-Z])/g;
var hyphenate = function hyphenate2(str) {
  return str.replace(uppercase, "-$1").toLowerCase();
};
var ESCAPE_LOOKUP = {
  "&": "&amp;",
  ">": "&gt;",
  "<": "&lt;",
  '"': "&quot;",
  "'": "&#x27;"
};
var ESCAPE_REGEX = /[&><"']/g;
function escape(text2) {
  return String(text2).replace(ESCAPE_REGEX, (match) => ESCAPE_LOOKUP[match]);
}
var getBaseElem = function getBaseElem2(group) {
  if (group.type === "ordgroup") {
    if (group.body.length === 1) {
      return getBaseElem2(group.body[0]);
    } else {
      return group;
    }
  } else if (group.type === "color") {
    if (group.body.length === 1) {
      return getBaseElem2(group.body[0]);
    } else {
      return group;
    }
  } else if (group.type === "font") {
    return getBaseElem2(group.body);
  } else {
    return group;
  }
};
var isCharacterBox = function isCharacterBox2(group) {
  var baseElem = getBaseElem(group);
  return baseElem.type === "mathord" || baseElem.type === "textord" || baseElem.type === "atom";
};
var assert = function assert2(value) {
  if (!value) {
    throw new Error("Expected non-null, but got " + String(value));
  }
  return value;
};
var protocolFromUrl = function protocolFromUrl2(url) {
  var protocol = /^\s*([^\\/#]*?)(?::|&#0*58|&#x0*3a)/i.exec(url);
  return protocol != null ? protocol[1] : "_relative";
};
var utils = {
  contains,
  deflt,
  escape,
  hyphenate,
  getBaseElem,
  isCharacterBox,
  protocolFromUrl
};
var SETTINGS_SCHEMA = {
  displayMode: {
    type: "boolean",
    description: "Render math in display mode, which puts the math in display style (so \\int and \\sum are large, for example), and centers the math on the page on its own line.",
    cli: "-d, --display-mode"
  },
  output: {
    type: {
      enum: ["htmlAndMathml", "html", "mathml"]
    },
    description: "Determines the markup language of the output.",
    cli: "-F, --format <type>"
  },
  leqno: {
    type: "boolean",
    description: "Render display math in leqno style (left-justified tags)."
  },
  fleqn: {
    type: "boolean",
    description: "Render display math flush left."
  },
  throwOnError: {
    type: "boolean",
    default: true,
    cli: "-t, --no-throw-on-error",
    cliDescription: "Render errors (in the color given by --error-color) instead of throwing a ParseError exception when encountering an error."
  },
  errorColor: {
    type: "string",
    default: "#cc0000",
    cli: "-c, --error-color <color>",
    cliDescription: "A color string given in the format 'rgb' or 'rrggbb' (no #). This option determines the color of errors rendered by the -t option.",
    cliProcessor: (color) => "#" + color
  },
  macros: {
    type: "object",
    cli: "-m, --macro <def>",
    cliDescription: "Define custom macro of the form '\\foo:expansion' (use multiple -m arguments for multiple macros).",
    cliDefault: [],
    cliProcessor: (def, defs) => {
      defs.push(def);
      return defs;
    }
  },
  minRuleThickness: {
    type: "number",
    description: "Specifies a minimum thickness, in ems, for fraction lines, `\\sqrt` top lines, `{array}` vertical lines, `\\hline`, `\\hdashline`, `\\underline`, `\\overline`, and the borders of `\\fbox`, `\\boxed`, and `\\fcolorbox`.",
    processor: (t) => Math.max(0, t),
    cli: "--min-rule-thickness <size>",
    cliProcessor: parseFloat
  },
  colorIsTextColor: {
    type: "boolean",
    description: "Makes \\color behave like LaTeX's 2-argument \\textcolor, instead of LaTeX's one-argument \\color mode change.",
    cli: "-b, --color-is-text-color"
  },
  strict: {
    type: [{
      enum: ["warn", "ignore", "error"]
    }, "boolean", "function"],
    description: "Turn on strict / LaTeX faithfulness mode, which throws an error if the input uses features that are not supported by LaTeX.",
    cli: "-S, --strict",
    cliDefault: false
  },
  trust: {
    type: ["boolean", "function"],
    description: "Trust the input, enabling all HTML features such as \\url.",
    cli: "-T, --trust"
  },
  maxSize: {
    type: "number",
    default: Infinity,
    description: "If non-zero, all user-specified sizes, e.g. in \\rule{500em}{500em}, will be capped to maxSize ems. Otherwise, elements and spaces can be arbitrarily large",
    processor: (s) => Math.max(0, s),
    cli: "-s, --max-size <n>",
    cliProcessor: parseInt
  },
  maxExpand: {
    type: "number",
    default: 1e3,
    description: "Limit the number of macro expansions to the specified number, to prevent e.g. infinite macro loops. If set to Infinity, the macro expander will try to fully expand as in LaTeX.",
    processor: (n) => Math.max(0, n),
    cli: "-e, --max-expand <n>",
    cliProcessor: (n) => n === "Infinity" ? Infinity : parseInt(n)
  },
  globalGroup: {
    type: "boolean",
    cli: false
  }
};
function getDefaultValue(schema) {
  if (schema.default) {
    return schema.default;
  }
  var type = schema.type;
  var defaultType = Array.isArray(type) ? type[0] : type;
  if (typeof defaultType !== "string") {
    return defaultType.enum[0];
  }
  switch (defaultType) {
    case "boolean":
      return false;
    case "string":
      return "";
    case "number":
      return 0;
    case "object":
      return {};
  }
}
var Settings = class {
  constructor(options) {
    this.displayMode = void 0;
    this.output = void 0;
    this.leqno = void 0;
    this.fleqn = void 0;
    this.throwOnError = void 0;
    this.errorColor = void 0;
    this.macros = void 0;
    this.minRuleThickness = void 0;
    this.colorIsTextColor = void 0;
    this.strict = void 0;
    this.trust = void 0;
    this.maxSize = void 0;
    this.maxExpand = void 0;
    this.globalGroup = void 0;
    options = options || {};
    for (var prop in SETTINGS_SCHEMA) {
      if (SETTINGS_SCHEMA.hasOwnProperty(prop)) {
        var schema = SETTINGS_SCHEMA[prop];
        this[prop] = options[prop] !== void 0 ? schema.processor ? schema.processor(options[prop]) : options[prop] : getDefaultValue(schema);
      }
    }
  }
  reportNonstrict(errorCode, errorMsg, token) {
    var strict = this.strict;
    if (typeof strict === "function") {
      strict = strict(errorCode, errorMsg, token);
    }
    if (!strict || strict === "ignore") {
      return;
    } else if (strict === true || strict === "error") {
      throw new ParseError("LaTeX-incompatible input and strict mode is set to 'error': " + (errorMsg + " [" + errorCode + "]"), token);
    } else if (strict === "warn") {
      typeof console !== "undefined" && console.warn("LaTeX-incompatible input and strict mode is set to 'warn': " + (errorMsg + " [" + errorCode + "]"));
    } else {
      typeof console !== "undefined" && console.warn("LaTeX-incompatible input and strict mode is set to " + ("unrecognized '" + strict + "': " + errorMsg + " [" + errorCode + "]"));
    }
  }
  useStrictBehavior(errorCode, errorMsg, token) {
    var strict = this.strict;
    if (typeof strict === "function") {
      try {
        strict = strict(errorCode, errorMsg, token);
      } catch (error) {
        strict = "error";
      }
    }
    if (!strict || strict === "ignore") {
      return false;
    } else if (strict === true || strict === "error") {
      return true;
    } else if (strict === "warn") {
      typeof console !== "undefined" && console.warn("LaTeX-incompatible input and strict mode is set to 'warn': " + (errorMsg + " [" + errorCode + "]"));
      return false;
    } else {
      typeof console !== "undefined" && console.warn("LaTeX-incompatible input and strict mode is set to " + ("unrecognized '" + strict + "': " + errorMsg + " [" + errorCode + "]"));
      return false;
    }
  }
  isTrusted(context) {
    if (context.url && !context.protocol) {
      context.protocol = utils.protocolFromUrl(context.url);
    }
    var trust = typeof this.trust === "function" ? this.trust(context) : this.trust;
    return Boolean(trust);
  }
};
var Style = class {
  constructor(id, size, cramped) {
    this.id = void 0;
    this.size = void 0;
    this.cramped = void 0;
    this.id = id;
    this.size = size;
    this.cramped = cramped;
  }
  sup() {
    return styles[sup[this.id]];
  }
  sub() {
    return styles[sub[this.id]];
  }
  fracNum() {
    return styles[fracNum[this.id]];
  }
  fracDen() {
    return styles[fracDen[this.id]];
  }
  cramp() {
    return styles[cramp[this.id]];
  }
  text() {
    return styles[text$1[this.id]];
  }
  isTight() {
    return this.size >= 2;
  }
};
var D = 0;
var Dc = 1;
var T = 2;
var Tc = 3;
var S = 4;
var Sc = 5;
var SS = 6;
var SSc = 7;
var styles = [new Style(D, 0, false), new Style(Dc, 0, true), new Style(T, 1, false), new Style(Tc, 1, true), new Style(S, 2, false), new Style(Sc, 2, true), new Style(SS, 3, false), new Style(SSc, 3, true)];
var sup = [S, Sc, S, Sc, SS, SSc, SS, SSc];
var sub = [Sc, Sc, Sc, Sc, SSc, SSc, SSc, SSc];
var fracNum = [T, Tc, S, Sc, SS, SSc, SS, SSc];
var fracDen = [Tc, Tc, Sc, Sc, SSc, SSc, SSc, SSc];
var cramp = [Dc, Dc, Tc, Tc, Sc, Sc, SSc, SSc];
var text$1 = [D, Dc, T, Tc, T, Tc, T, Tc];
var Style$1 = {
  DISPLAY: styles[D],
  TEXT: styles[T],
  SCRIPT: styles[S],
  SCRIPTSCRIPT: styles[SS]
};
var scriptData = [{
  name: "latin",
  blocks: [
    [256, 591],
    [768, 879]
  ]
}, {
  name: "cyrillic",
  blocks: [[1024, 1279]]
}, {
  name: "armenian",
  blocks: [[1328, 1423]]
}, {
  name: "brahmic",
  blocks: [[2304, 4255]]
}, {
  name: "georgian",
  blocks: [[4256, 4351]]
}, {
  name: "cjk",
  blocks: [
    [12288, 12543],
    [19968, 40879],
    [65280, 65376]
  ]
}, {
  name: "hangul",
  blocks: [[44032, 55215]]
}];
function scriptFromCodepoint(codepoint) {
  for (var i = 0; i < scriptData.length; i++) {
    var script = scriptData[i];
    for (var _i = 0; _i < script.blocks.length; _i++) {
      var block = script.blocks[_i];
      if (codepoint >= block[0] && codepoint <= block[1]) {
        return script.name;
      }
    }
  }
  return null;
}
var allBlocks = [];
scriptData.forEach((s) => s.blocks.forEach((b) => allBlocks.push(...b)));
function supportedCodepoint(codepoint) {
  for (var i = 0; i < allBlocks.length; i += 2) {
    if (codepoint >= allBlocks[i] && codepoint <= allBlocks[i + 1]) {
      return true;
    }
  }
  return false;
}
var hLinePad = 80;
var sqrtMain = function sqrtMain2(extraViniculum, hLinePad2) {
  return "M95," + (622 + extraViniculum + hLinePad2) + "\nc-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14\nc0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54\nc44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10\ns173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429\nc69,-144,104.5,-217.7,106.5,-221\nl" + extraViniculum / 2.075 + " -" + extraViniculum + "\nc5.3,-9.3,12,-14,20,-14\nH400000v" + (40 + extraViniculum) + "H845.2724\ns-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7\nc-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z\nM" + (834 + extraViniculum) + " " + hLinePad2 + "h400000v" + (40 + extraViniculum) + "h-400000z";
};
var sqrtSize1 = function sqrtSize12(extraViniculum, hLinePad2) {
  return "M263," + (601 + extraViniculum + hLinePad2) + "c0.7,0,18,39.7,52,119\nc34,79.3,68.167,158.7,102.5,238c34.3,79.3,51.8,119.3,52.5,120\nc340,-704.7,510.7,-1060.3,512,-1067\nl" + extraViniculum / 2.084 + " -" + extraViniculum + "\nc4.7,-7.3,11,-11,19,-11\nH40000v" + (40 + extraViniculum) + "H1012.3\ns-271.3,567,-271.3,567c-38.7,80.7,-84,175,-136,283c-52,108,-89.167,185.3,-111.5,232\nc-22.3,46.7,-33.8,70.3,-34.5,71c-4.7,4.7,-12.3,7,-23,7s-12,-1,-12,-1\ns-109,-253,-109,-253c-72.7,-168,-109.3,-252,-110,-252c-10.7,8,-22,16.7,-34,26\nc-22,17.3,-33.3,26,-34,26s-26,-26,-26,-26s76,-59,76,-59s76,-60,76,-60z\nM" + (1001 + extraViniculum) + " " + hLinePad2 + "h400000v" + (40 + extraViniculum) + "h-400000z";
};
var sqrtSize2 = function sqrtSize22(extraViniculum, hLinePad2) {
  return "M983 " + (10 + extraViniculum + hLinePad2) + "\nl" + extraViniculum / 3.13 + " -" + extraViniculum + "\nc4,-6.7,10,-10,18,-10 H400000v" + (40 + extraViniculum) + "\nH1013.1s-83.4,268,-264.1,840c-180.7,572,-277,876.3,-289,913c-4.7,4.7,-12.7,7,-24,7\ns-12,0,-12,0c-1.3,-3.3,-3.7,-11.7,-7,-25c-35.3,-125.3,-106.7,-373.3,-214,-744\nc-10,12,-21,25,-33,39s-32,39,-32,39c-6,-5.3,-15,-14,-27,-26s25,-30,25,-30\nc26.7,-32.7,52,-63,76,-91s52,-60,52,-60s208,722,208,722\nc56,-175.3,126.3,-397.3,211,-666c84.7,-268.7,153.8,-488.2,207.5,-658.5\nc53.7,-170.3,84.5,-266.8,92.5,-289.5z\nM" + (1001 + extraViniculum) + " " + hLinePad2 + "h400000v" + (40 + extraViniculum) + "h-400000z";
};
var sqrtSize3 = function sqrtSize32(extraViniculum, hLinePad2) {
  return "M424," + (2398 + extraViniculum + hLinePad2) + "\nc-1.3,-0.7,-38.5,-172,-111.5,-514c-73,-342,-109.8,-513.3,-110.5,-514\nc0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5,25c-5.7,9.3,-9.8,16,-12.5,20\ns-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13,-13s76,-122,76,-122s77,-121,77,-121\ns209,968,209,968c0,-2,84.7,-361.7,254,-1079c169.3,-717.3,254.7,-1077.7,256,-1081\nl" + extraViniculum / 4.223 + " -" + extraViniculum + "c4,-6.7,10,-10,18,-10 H400000\nv" + (40 + extraViniculum) + "H1014.6\ns-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185\nc-2,6,-10,9,-24,9\nc-8,0,-12,-0.7,-12,-2z M" + (1001 + extraViniculum) + " " + hLinePad2 + "\nh400000v" + (40 + extraViniculum) + "h-400000z";
};
var sqrtSize4 = function sqrtSize42(extraViniculum, hLinePad2) {
  return "M473," + (2713 + extraViniculum + hLinePad2) + "\nc339.3,-1799.3,509.3,-2700,510,-2702 l" + extraViniculum / 5.298 + " -" + extraViniculum + "\nc3.3,-7.3,9.3,-11,18,-11 H400000v" + (40 + extraViniculum) + "H1017.7\ns-90.5,478,-276.2,1466c-185.7,988,-279.5,1483,-281.5,1485c-2,6,-10,9,-24,9\nc-8,0,-12,-0.7,-12,-2c0,-1.3,-5.3,-32,-16,-92c-50.7,-293.3,-119.7,-693.3,-207,-1200\nc0,-1.3,-5.3,8.7,-16,30c-10.7,21.3,-21.3,42.7,-32,64s-16,33,-16,33s-26,-26,-26,-26\ns76,-153,76,-153s77,-151,77,-151c0.7,0.7,35.7,202,105,604c67.3,400.7,102,602.7,104,\n606zM" + (1001 + extraViniculum) + " " + hLinePad2 + "h400000v" + (40 + extraViniculum) + "H1017.7z";
};
var phasePath = function phasePath2(y) {
  var x = y / 2;
  return "M400000 " + y + " H0 L" + x + " 0 l65 45 L145 " + (y - 80) + " H400000z";
};
var sqrtTall = function sqrtTall2(extraViniculum, hLinePad2, viewBoxHeight) {
  var vertSegment = viewBoxHeight - 54 - hLinePad2 - extraViniculum;
  return "M702 " + (extraViniculum + hLinePad2) + "H400000" + (40 + extraViniculum) + "\nH742v" + vertSegment + "l-4 4-4 4c-.667.7 -2 1.5-4 2.5s-4.167 1.833-6.5 2.5-5.5 1-9.5 1\nh-12l-28-84c-16.667-52-96.667 -294.333-240-727l-212 -643 -85 170\nc-4-3.333-8.333-7.667-13 -13l-13-13l77-155 77-156c66 199.333 139 419.667\n219 661 l218 661zM702 " + hLinePad2 + "H400000v" + (40 + extraViniculum) + "H742z";
};
var sqrtPath = function sqrtPath2(size, extraViniculum, viewBoxHeight) {
  extraViniculum = 1e3 * extraViniculum;
  var path2 = "";
  switch (size) {
    case "sqrtMain":
      path2 = sqrtMain(extraViniculum, hLinePad);
      break;
    case "sqrtSize1":
      path2 = sqrtSize1(extraViniculum, hLinePad);
      break;
    case "sqrtSize2":
      path2 = sqrtSize2(extraViniculum, hLinePad);
      break;
    case "sqrtSize3":
      path2 = sqrtSize3(extraViniculum, hLinePad);
      break;
    case "sqrtSize4":
      path2 = sqrtSize4(extraViniculum, hLinePad);
      break;
    case "sqrtTall":
      path2 = sqrtTall(extraViniculum, hLinePad, viewBoxHeight);
  }
  return path2;
};
var innerPath = function innerPath2(name, height) {
  switch (name) {
    case "\u239C":
      return "M291 0 H417 V" + height + " H291z M291 0 H417 V" + height + " H291z";
    case "\u2223":
      return "M145 0 H188 V" + height + " H145z M145 0 H188 V" + height + " H145z";
    case "\u2225":
      return "M145 0 H188 V" + height + " H145z M145 0 H188 V" + height + " H145z" + ("M367 0 H410 V" + height + " H367z M367 0 H410 V" + height + " H367z");
    case "\u239F":
      return "M457 0 H583 V" + height + " H457z M457 0 H583 V" + height + " H457z";
    case "\u23A2":
      return "M319 0 H403 V" + height + " H319z M319 0 H403 V" + height + " H319z";
    case "\u23A5":
      return "M263 0 H347 V" + height + " H263z M263 0 H347 V" + height + " H263z";
    case "\u23AA":
      return "M384 0 H504 V" + height + " H384z M384 0 H504 V" + height + " H384z";
    case "\u23D0":
      return "M312 0 H355 V" + height + " H312z M312 0 H355 V" + height + " H312z";
    case "\u2016":
      return "M257 0 H300 V" + height + " H257z M257 0 H300 V" + height + " H257z" + ("M478 0 H521 V" + height + " H478z M478 0 H521 V" + height + " H478z");
    default:
      return "";
  }
};
var path = {
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  leftmapsto: "M40 281 V448H0V74H40V241H400000v40z\nM40 281 V448H0V74H40V241H400000v40z",
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    "8899": [0.25001, 0.75, 0, 0, 0.83334],
    "8968": [0.35001, 0.85, 0, 0, 0.47222],
    "8969": [0.35001, 0.85, 0, 0, 0.47222],
    "8970": [0.35001, 0.85, 0, 0, 0.47222],
    "8971": [0.35001, 0.85, 0, 0, 0.47222],
    "9168": [-99e-5, 0.601, 0, 0, 0.66667],
    "10216": [0.35001, 0.85, 0, 0, 0.47222],
    "10217": [0.35001, 0.85, 0, 0, 0.47222],
    "10752": [0.25001, 0.75, 0, 0, 1.11111],
    "10753": [0.25001, 0.75, 0, 0, 1.11111],
    "10754": [0.25001, 0.75, 0, 0, 1.11111],
    "10756": [0.25001, 0.75, 0, 0, 0.83334],
    "10758": [0.25001, 0.75, 0, 0, 0.83334]
  },
  "Size2-Regular": {
    "32": [0, 0, 0, 0, 0.25],
    "40": [0.65002, 1.15, 0, 0, 0.59722],
    "41": [0.65002, 1.15, 0, 0, 0.59722],
    "47": [0.65002, 1.15, 0, 0, 0.81111],
    "91": [0.65002, 1.15, 0, 0, 0.47222],
    "92": [0.65002, 1.15, 0, 0, 0.81111],
    "93": [0.65002, 1.15, 0, 0, 0.47222],
    "123": [0.65002, 1.15, 0, 0, 0.66667],
    "125": [0.65002, 1.15, 0, 0, 0.66667],
    "160": [0, 0, 0, 0, 0.25],
    "710": [0, 0.75, 0, 0, 1],
    "732": [0, 0.75, 0, 0, 1],
    "770": [0, 0.75, 0, 0, 1],
    "771": [0, 0.75, 0, 0, 1],
    "8719": [0.55001, 1.05, 0, 0, 1.27778],
    "8720": [0.55001, 1.05, 0, 0, 1.27778],
    "8721": [0.55001, 1.05, 0, 0, 1.44445],
    "8730": [0.65002, 1.15, 0, 0, 1],
    "8747": [0.86225, 1.36, 0.44445, 0, 0.55556],
    "8748": [0.862, 1.36, 0.44445, 0, 0.55556],
    "8749": [0.862, 1.36, 0.44445, 0, 0.55556],
    "8750": [0.86225, 1.36, 0.44445, 0, 0.55556],
    "8896": [0.55001, 1.05, 0, 0, 1.11111],
    "8897": [0.55001, 1.05, 0, 0, 1.11111],
    "8898": [0.55001, 1.05, 0, 0, 1.11111],
    "8899": [0.55001, 1.05, 0, 0, 1.11111],
    "8968": [0.65002, 1.15, 0, 0, 0.52778],
    "8969": [0.65002, 1.15, 0, 0, 0.52778],
    "8970": [0.65002, 1.15, 0, 0, 0.52778],
    "8971": [0.65002, 1.15, 0, 0, 0.52778],
    "10216": [0.65002, 1.15, 0, 0, 0.61111],
    "10217": [0.65002, 1.15, 0, 0, 0.61111],
    "10752": [0.55001, 1.05, 0, 0, 1.51112],
    "10753": [0.55001, 1.05, 0, 0, 1.51112],
    "10754": [0.55001, 1.05, 0, 0, 1.51112],
    "10756": [0.55001, 1.05, 0, 0, 1.11111],
    "10758": [0.55001, 1.05, 0, 0, 1.11111]
  },
  "Size3-Regular": {
    "32": [0, 0, 0, 0, 0.25],
    "40": [0.95003, 1.45, 0, 0, 0.73611],
    "41": [0.95003, 1.45, 0, 0, 0.73611],
    "47": [0.95003, 1.45, 0, 0, 1.04445],
    "91": [0.95003, 1.45, 0, 0, 0.52778],
    "92": [0.95003, 1.45, 0, 0, 1.04445],
    "93": [0.95003, 1.45, 0, 0, 0.52778],
    "123": [0.95003, 1.45, 0, 0, 0.75],
    "125": [0.95003, 1.45, 0, 0, 0.75],
    "160": [0, 0, 0, 0, 0.25],
    "710": [0, 0.75, 0, 0, 1.44445],
    "732": [0, 0.75, 0, 0, 1.44445],
    "770": [0, 0.75, 0, 0, 1.44445],
    "771": [0, 0.75, 0, 0, 1.44445],
    "8730": [0.95003, 1.45, 0, 0, 1],
    "8968": [0.95003, 1.45, 0, 0, 0.58334],
    "8969": [0.95003, 1.45, 0, 0, 0.58334],
    "8970": [0.95003, 1.45, 0, 0, 0.58334],
    "8971": [0.95003, 1.45, 0, 0, 0.58334],
    "10216": [0.95003, 1.45, 0, 0, 0.75],
    "10217": [0.95003, 1.45, 0, 0, 0.75]
  },
  "Size4-Regular": {
    "32": [0, 0, 0, 0, 0.25],
    "40": [1.25003, 1.75, 0, 0, 0.79167],
    "41": [1.25003, 1.75, 0, 0, 0.79167],
    "47": [1.25003, 1.75, 0, 0, 1.27778],
    "91": [1.25003, 1.75, 0, 0, 0.58334],
    "92": [1.25003, 1.75, 0, 0, 1.27778],
    "93": [1.25003, 1.75, 0, 0, 0.58334],
    "123": [1.25003, 1.75, 0, 0, 0.80556],
    "125": [1.25003, 1.75, 0, 0, 0.80556],
    "160": [0, 0, 0, 0, 0.25],
    "710": [0, 0.825, 0, 0, 1.8889],
    "732": [0, 0.825, 0, 0, 1.8889],
    "770": [0, 0.825, 0, 0, 1.8889],
    "771": [0, 0.825, 0, 0, 1.8889],
    "8730": [1.25003, 1.75, 0, 0, 1],
    "8968": [1.25003, 1.75, 0, 0, 0.63889],
    "8969": [1.25003, 1.75, 0, 0, 0.63889],
    "8970": [1.25003, 1.75, 0, 0, 0.63889],
    "8971": [1.25003, 1.75, 0, 0, 0.63889],
    "9115": [0.64502, 1.155, 0, 0, 0.875],
    "9116": [1e-5, 0.6, 0, 0, 0.875],
    "9117": [0.64502, 1.155, 0, 0, 0.875],
    "9118": [0.64502, 1.155, 0, 0, 0.875],
    "9119": [1e-5, 0.6, 0, 0, 0.875],
    "9120": [0.64502, 1.155, 0, 0, 0.875],
    "9121": [0.64502, 1.155, 0, 0, 0.66667],
    "9122": [-99e-5, 0.601, 0, 0, 0.66667],
    "9123": [0.64502, 1.155, 0, 0, 0.66667],
    "9124": [0.64502, 1.155, 0, 0, 0.66667],
    "9125": [-99e-5, 0.601, 0, 0, 0.66667],
    "9126": [0.64502, 1.155, 0, 0, 0.66667],
    "9127": [1e-5, 0.9, 0, 0, 0.88889],
    "9128": [0.65002, 1.15, 0, 0, 0.88889],
    "9129": [0.90001, 0, 0, 0, 0.88889],
    "9130": [0, 0.3, 0, 0, 0.88889],
    "9131": [1e-5, 0.9, 0, 0, 0.88889],
    "9132": [0.65002, 1.15, 0, 0, 0.88889],
    "9133": [0.90001, 0, 0, 0, 0.88889],
    "9143": [0.88502, 0.915, 0, 0, 1.05556],
    "10216": [1.25003, 1.75, 0, 0, 0.80556],
    "10217": [1.25003, 1.75, 0, 0, 0.80556],
    "57344": [-499e-5, 0.605, 0, 0, 1.05556],
    "57345": [-499e-5, 0.605, 0, 0, 1.05556],
    "57680": [0, 0.12, 0, 0, 0.45],
    "57681": [0, 0.12, 0, 0, 0.45],
    "57682": [0, 0.12, 0, 0, 0.45],
    "57683": [0, 0.12, 0, 0, 0.45]
  },
  "Typewriter-Regular": {
    "32": [0, 0, 0, 0, 0.525],
    "33": [0, 0.61111, 0, 0, 0.525],
    "34": [0, 0.61111, 0, 0, 0.525],
    "35": [0, 0.61111, 0, 0, 0.525],
    "36": [0.08333, 0.69444, 0, 0, 0.525],
    "37": [0.08333, 0.69444, 0, 0, 0.525],
    "38": [0, 0.61111, 0, 0, 0.525],
    "39": [0, 0.61111, 0, 0, 0.525],
    "40": [0.08333, 0.69444, 0, 0, 0.525],
    "41": [0.08333, 0.69444, 0, 0, 0.525],
    "42": [0, 0.52083, 0, 0, 0.525],
    "43": [-0.08056, 0.53055, 0, 0, 0.525],
    "44": [0.13889, 0.125, 0, 0, 0.525],
    "45": [-0.08056, 0.53055, 0, 0, 0.525],
    "46": [0, 0.125, 0, 0, 0.525],
    "47": [0.08333, 0.69444, 0, 0, 0.525],
    "48": [0, 0.61111, 0, 0, 0.525],
    "49": [0, 0.61111, 0, 0, 0.525],
    "50": [0, 0.61111, 0, 0, 0.525],
    "51": [0, 0.61111, 0, 0, 0.525],
    "52": [0, 0.61111, 0, 0, 0.525],
    "53": [0, 0.61111, 0, 0, 0.525],
    "54": [0, 0.61111, 0, 0, 0.525],
    "55": [0, 0.61111, 0, 0, 0.525],
    "56": [0, 0.61111, 0, 0, 0.525],
    "57": [0, 0.61111, 0, 0, 0.525],
    "58": [0, 0.43056, 0, 0, 0.525],
    "59": [0.13889, 0.43056, 0, 0, 0.525],
    "60": [-0.05556, 0.55556, 0, 0, 0.525],
    "61": [-0.19549, 0.41562, 0, 0, 0.525],
    "62": [-0.05556, 0.55556, 0, 0, 0.525],
    "63": [0, 0.61111, 0, 0, 0.525],
    "64": [0, 0.61111, 0, 0, 0.525],
    "65": [0, 0.61111, 0, 0, 0.525],
    "66": [0, 0.61111, 0, 0, 0.525],
    "67": [0, 0.61111, 0, 0, 0.525],
    "68": [0, 0.61111, 0, 0, 0.525],
    "69": [0, 0.61111, 0, 0, 0.525],
    "70": [0, 0.61111, 0, 0, 0.525],
    "71": [0, 0.61111, 0, 0, 0.525],
    "72": [0, 0.61111, 0, 0, 0.525],
    "73": [0, 0.61111, 0, 0, 0.525],
    "74": [0, 0.61111, 0, 0, 0.525],
    "75": [0, 0.61111, 0, 0, 0.525],
    "76": [0, 0.61111, 0, 0, 0.525],
    "77": [0, 0.61111, 0, 0, 0.525],
    "78": [0, 0.61111, 0, 0, 0.525],
    "79": [0, 0.61111, 0, 0, 0.525],
    "80": [0, 0.61111, 0, 0, 0.525],
    "81": [0.13889, 0.61111, 0, 0, 0.525],
    "82": [0, 0.61111, 0, 0, 0.525],
    "83": [0, 0.61111, 0, 0, 0.525],
    "84": [0, 0.61111, 0, 0, 0.525],
    "85": [0, 0.61111, 0, 0, 0.525],
    "86": [0, 0.61111, 0, 0, 0.525],
    "87": [0, 0.61111, 0, 0, 0.525],
    "88": [0, 0.61111, 0, 0, 0.525],
    "89": [0, 0.61111, 0, 0, 0.525],
    "90": [0, 0.61111, 0, 0, 0.525],
    "91": [0.08333, 0.69444, 0, 0, 0.525],
    "92": [0.08333, 0.69444, 0, 0, 0.525],
    "93": [0.08333, 0.69444, 0, 0, 0.525],
    "94": [0, 0.61111, 0, 0, 0.525],
    "95": [0.09514, 0, 0, 0, 0.525],
    "96": [0, 0.61111, 0, 0, 0.525],
    "97": [0, 0.43056, 0, 0, 0.525],
    "98": [0, 0.61111, 0, 0, 0.525],
    "99": [0, 0.43056, 0, 0, 0.525],
    "100": [0, 0.61111, 0, 0, 0.525],
    "101": [0, 0.43056, 0, 0, 0.525],
    "102": [0, 0.61111, 0, 0, 0.525],
    "103": [0.22222, 0.43056, 0, 0, 0.525],
    "104": [0, 0.61111, 0, 0, 0.525],
    "105": [0, 0.61111, 0, 0, 0.525],
    "106": [0.22222, 0.61111, 0, 0, 0.525],
    "107": [0, 0.61111, 0, 0, 0.525],
    "108": [0, 0.61111, 0, 0, 0.525],
    "109": [0, 0.43056, 0, 0, 0.525],
    "110": [0, 0.43056, 0, 0, 0.525],
    "111": [0, 0.43056, 0, 0, 0.525],
    "112": [0.22222, 0.43056, 0, 0, 0.525],
    "113": [0.22222, 0.43056, 0, 0, 0.525],
    "114": [0, 0.43056, 0, 0, 0.525],
    "115": [0, 0.43056, 0, 0, 0.525],
    "116": [0, 0.55358, 0, 0, 0.525],
    "117": [0, 0.43056, 0, 0, 0.525],
    "118": [0, 0.43056, 0, 0, 0.525],
    "119": [0, 0.43056, 0, 0, 0.525],
    "120": [0, 0.43056, 0, 0, 0.525],
    "121": [0.22222, 0.43056, 0, 0, 0.525],
    "122": [0, 0.43056, 0, 0, 0.525],
    "123": [0.08333, 0.69444, 0, 0, 0.525],
    "124": [0.08333, 0.69444, 0, 0, 0.525],
    "125": [0.08333, 0.69444, 0, 0, 0.525],
    "126": [0, 0.61111, 0, 0, 0.525],
    "127": [0, 0.61111, 0, 0, 0.525],
    "160": [0, 0, 0, 0, 0.525],
    "176": [0, 0.61111, 0, 0, 0.525],
    "184": [0.19445, 0, 0, 0, 0.525],
    "305": [0, 0.43056, 0, 0, 0.525],
    "567": [0.22222, 0.43056, 0, 0, 0.525],
    "711": [0, 0.56597, 0, 0, 0.525],
    "713": [0, 0.56555, 0, 0, 0.525],
    "714": [0, 0.61111, 0, 0, 0.525],
    "715": [0, 0.61111, 0, 0, 0.525],
    "728": [0, 0.61111, 0, 0, 0.525],
    "730": [0, 0.61111, 0, 0, 0.525],
    "770": [0, 0.61111, 0, 0, 0.525],
    "771": [0, 0.61111, 0, 0, 0.525],
    "776": [0, 0.61111, 0, 0, 0.525],
    "915": [0, 0.61111, 0, 0, 0.525],
    "916": [0, 0.61111, 0, 0, 0.525],
    "920": [0, 0.61111, 0, 0, 0.525],
    "923": [0, 0.61111, 0, 0, 0.525],
    "926": [0, 0.61111, 0, 0, 0.525],
    "928": [0, 0.61111, 0, 0, 0.525],
    "931": [0, 0.61111, 0, 0, 0.525],
    "933": [0, 0.61111, 0, 0, 0.525],
    "934": [0, 0.61111, 0, 0, 0.525],
    "936": [0, 0.61111, 0, 0, 0.525],
    "937": [0, 0.61111, 0, 0, 0.525],
    "8216": [0, 0.61111, 0, 0, 0.525],
    "8217": [0, 0.61111, 0, 0, 0.525],
    "8242": [0, 0.61111, 0, 0, 0.525],
    "9251": [0.11111, 0.21944, 0, 0, 0.525]
  }
};
var sigmasAndXis = {
  slant: [0.25, 0.25, 0.25],
  space: [0, 0, 0],
  stretch: [0, 0, 0],
  shrink: [0, 0, 0],
  xHeight: [0.431, 0.431, 0.431],
  quad: [1, 1.171, 1.472],
  extraSpace: [0, 0, 0],
  num1: [0.677, 0.732, 0.925],
  num2: [0.394, 0.384, 0.387],
  num3: [0.444, 0.471, 0.504],
  denom1: [0.686, 0.752, 1.025],
  denom2: [0.345, 0.344, 0.532],
  sup1: [0.413, 0.503, 0.504],
  sup2: [0.363, 0.431, 0.404],
  sup3: [0.289, 0.286, 0.294],
  sub1: [0.15, 0.143, 0.2],
  sub2: [0.247, 0.286, 0.4],
  supDrop: [0.386, 0.353, 0.494],
  subDrop: [0.05, 0.071, 0.1],
  delim1: [2.39, 1.7, 1.98],
  delim2: [1.01, 1.157, 1.42],
  axisHeight: [0.25, 0.25, 0.25],
  defaultRuleThickness: [0.04, 0.049, 0.049],
  bigOpSpacing1: [0.111, 0.111, 0.111],
  bigOpSpacing2: [0.166, 0.166, 0.166],
  bigOpSpacing3: [0.2, 0.2, 0.2],
  bigOpSpacing4: [0.6, 0.611, 0.611],
  bigOpSpacing5: [0.1, 0.143, 0.143],
  sqrtRuleThickness: [0.04, 0.04, 0.04],
  ptPerEm: [10, 10, 10],
  doubleRuleSep: [0.2, 0.2, 0.2],
  arrayRuleWidth: [0.04, 0.04, 0.04],
  fboxsep: [0.3, 0.3, 0.3],
  fboxrule: [0.04, 0.04, 0.04]
};
var extraCharacterMap = {
  "\xC5": "A",
  "\xD0": "D",
  "\xDE": "o",
  "\xE5": "a",
  "\xF0": "d",
  "\xFE": "o",
  "\u0410": "A",
  "\u0411": "B",
  "\u0412": "B",
  "\u0413": "F",
  "\u0414": "A",
  "\u0415": "E",
  "\u0416": "K",
  "\u0417": "3",
  "\u0418": "N",
  "\u0419": "N",
  "\u041A": "K",
  "\u041B": "N",
  "\u041C": "M",
  "\u041D": "H",
  "\u041E": "O",
  "\u041F": "N",
  "\u0420": "P",
  "\u0421": "C",
  "\u0422": "T",
  "\u0423": "y",
  "\u0424": "O",
  "\u0425": "X",
  "\u0426": "U",
  "\u0427": "h",
  "\u0428": "W",
  "\u0429": "W",
  "\u042A": "B",
  "\u042B": "X",
  "\u042C": "B",
  "\u042D": "3",
  "\u042E": "X",
  "\u042F": "R",
  "\u0430": "a",
  "\u0431": "b",
  "\u0432": "a",
  "\u0433": "r",
  "\u0434": "y",
  "\u0435": "e",
  "\u0436": "m",
  "\u0437": "e",
  "\u0438": "n",
  "\u0439": "n",
  "\u043A": "n",
  "\u043B": "n",
  "\u043C": "m",
  "\u043D": "n",
  "\u043E": "o",
  "\u043F": "n",
  "\u0440": "p",
  "\u0441": "c",
  "\u0442": "o",
  "\u0443": "y",
  "\u0444": "b",
  "\u0445": "x",
  "\u0446": "n",
  "\u0447": "n",
  "\u0448": "w",
  "\u0449": "w",
  "\u044A": "a",
  "\u044B": "m",
  "\u044C": "a",
  "\u044D": "e",
  "\u044E": "m",
  "\u044F": "r"
};
function setFontMetrics(fontName, metrics) {
  fontMetricsData[fontName] = metrics;
}
function getCharacterMetrics(character, font, mode) {
  if (!fontMetricsData[font]) {
    throw new Error("Font metrics not found for font: " + font + ".");
  }
  var ch = character.charCodeAt(0);
  var metrics = fontMetricsData[font][ch];
  if (!metrics && character[0] in extraCharacterMap) {
    ch = extraCharacterMap[character[0]].charCodeAt(0);
    metrics = fontMetricsData[font][ch];
  }
  if (!metrics && mode === "text") {
    if (supportedCodepoint(ch)) {
      metrics = fontMetricsData[font][77];
    }
  }
  if (metrics) {
    return {
      depth: metrics[0],
      height: metrics[1],
      italic: metrics[2],
      skew: metrics[3],
      width: metrics[4]
    };
  }
}
var fontMetricsBySizeIndex = {};
function getGlobalMetrics(size) {
  var sizeIndex;
  if (size >= 5) {
    sizeIndex = 0;
  } else if (size >= 3) {
    sizeIndex = 1;
  } else {
    sizeIndex = 2;
  }
  if (!fontMetricsBySizeIndex[sizeIndex]) {
    var metrics = fontMetricsBySizeIndex[sizeIndex] = {
      cssEmPerMu: sigmasAndXis.quad[sizeIndex] / 18
    };
    for (var key in sigmasAndXis) {
      if (sigmasAndXis.hasOwnProperty(key)) {
        metrics[key] = sigmasAndXis[key][sizeIndex];
      }
    }
  }
  return fontMetricsBySizeIndex[sizeIndex];
}
var sizeStyleMap = [
  [1, 1, 1],
  [2, 1, 1],
  [3, 1, 1],
  [4, 2, 1],
  [5, 2, 1],
  [6, 3, 1],
  [7, 4, 2],
  [8, 6, 3],
  [9, 7, 6],
  [10, 8, 7],
  [11, 10, 9]
];
var sizeMultipliers = [
  0.5,
  0.6,
  0.7,
  0.8,
  0.9,
  1,
  1.2,
  1.44,
  1.728,
  2.074,
  2.488
];
var sizeAtStyle = function sizeAtStyle2(size, style) {
  return style.size < 2 ? size : sizeStyleMap[size - 1][style.size - 1];
};
var Options = class {
  constructor(data) {
    this.style = void 0;
    this.color = void 0;
    this.size = void 0;
    this.textSize = void 0;
    this.phantom = void 0;
    this.font = void 0;
    this.fontFamily = void 0;
    this.fontWeight = void 0;
    this.fontShape = void 0;
    this.sizeMultiplier = void 0;
    this.maxSize = void 0;
    this.minRuleThickness = void 0;
    this._fontMetrics = void 0;
    this.style = data.style;
    this.color = data.color;
    this.size = data.size || Options.BASESIZE;
    this.textSize = data.textSize || this.size;
    this.phantom = !!data.phantom;
    this.font = data.font || "";
    this.fontFamily = data.fontFamily || "";
    this.fontWeight = data.fontWeight || "";
    this.fontShape = data.fontShape || "";
    this.sizeMultiplier = sizeMultipliers[this.size - 1];
    this.maxSize = data.maxSize;
    this.minRuleThickness = data.minRuleThickness;
    this._fontMetrics = void 0;
  }
  extend(extension) {
    var data = {
      style: this.style,
      size: this.size,
      textSize: this.textSize,
      color: this.color,
      phantom: this.phantom,
      font: this.font,
      fontFamily: this.fontFamily,
      fontWeight: this.fontWeight,
      fontShape: this.fontShape,
      maxSize: this.maxSize,
      minRuleThickness: this.minRuleThickness
    };
    for (var key in extension) {
      if (extension.hasOwnProperty(key)) {
        data[key] = extension[key];
      }
    }
    return new Options(data);
  }
  havingStyle(style) {
    if (this.style === style) {
      return this;
    } else {
      return this.extend({
        style,
        size: sizeAtStyle(this.textSize, style)
      });
    }
  }
  havingCrampedStyle() {
    return this.havingStyle(this.style.cramp());
  }
  havingSize(size) {
    if (this.size === size && this.textSize === size) {
      return this;
    } else {
      return this.extend({
        style: this.style.text(),
        size,
        textSize: size,
        sizeMultiplier: sizeMultipliers[size - 1]
      });
    }
  }
  havingBaseStyle(style) {
    style = style || this.style.text();
    var wantSize = sizeAtStyle(Options.BASESIZE, style);
    if (this.size === wantSize && this.textSize === Options.BASESIZE && this.style === style) {
      return this;
    } else {
      return this.extend({
        style,
        size: wantSize
      });
    }
  }
  havingBaseSizing() {
    var size;
    switch (this.style.id) {
      case 4:
      case 5:
        size = 3;
        break;
      case 6:
      case 7:
        size = 1;
        break;
      default:
        size = 6;
    }
    return this.extend({
      style: this.style.text(),
      size
    });
  }
  withColor(color) {
    return this.extend({
      color
    });
  }
  withPhantom() {
    return this.extend({
      phantom: true
    });
  }
  withFont(font) {
    return this.extend({
      font
    });
  }
  withTextFontFamily(fontFamily) {
    return this.extend({
      fontFamily,
      font: ""
    });
  }
  withTextFontWeight(fontWeight) {
    return this.extend({
      fontWeight,
      font: ""
    });
  }
  withTextFontShape(fontShape) {
    return this.extend({
      fontShape,
      font: ""
    });
  }
  sizingClasses(oldOptions) {
    if (oldOptions.size !== this.size) {
      return ["sizing", "reset-size" + oldOptions.size, "size" + this.size];
    } else {
      return [];
    }
  }
  baseSizingClasses() {
    if (this.size !== Options.BASESIZE) {
      return ["sizing", "reset-size" + this.size, "size" + Options.BASESIZE];
    } else {
      return [];
    }
  }
  fontMetrics() {
    if (!this._fontMetrics) {
      this._fontMetrics = getGlobalMetrics(this.size);
    }
    return this._fontMetrics;
  }
  getColor() {
    if (this.phantom) {
      return "transparent";
    } else {
      return this.color;
    }
  }
};
Options.BASESIZE = 6;
var ptPerUnit = {
  "pt": 1,
  "mm": 7227 / 2540,
  "cm": 7227 / 254,
  "in": 72.27,
  "bp": 803 / 800,
  "pc": 12,
  "dd": 1238 / 1157,
  "cc": 14856 / 1157,
  "nd": 685 / 642,
  "nc": 1370 / 107,
  "sp": 1 / 65536,
  "px": 803 / 800
};
var relativeUnit = {
  "ex": true,
  "em": true,
  "mu": true
};
var validUnit = function validUnit2(unit) {
  if (typeof unit !== "string") {
    unit = unit.unit;
  }
  return unit in ptPerUnit || unit in relativeUnit || unit === "ex";
};
var calculateSize = function calculateSize2(sizeValue, options) {
  var scale;
  if (sizeValue.unit in ptPerUnit) {
    scale = ptPerUnit[sizeValue.unit] / options.fontMetrics().ptPerEm / options.sizeMultiplier;
  } else if (sizeValue.unit === "mu") {
    scale = options.fontMetrics().cssEmPerMu;
  } else {
    var unitOptions;
    if (options.style.isTight()) {
      unitOptions = options.havingStyle(options.style.text());
    } else {
      unitOptions = options;
    }
    if (sizeValue.unit === "ex") {
      scale = unitOptions.fontMetrics().xHeight;
    } else if (sizeValue.unit === "em") {
      scale = unitOptions.fontMetrics().quad;
    } else {
      throw new ParseError("Invalid unit: '" + sizeValue.unit + "'");
    }
    if (unitOptions !== options) {
      scale *= unitOptions.sizeMultiplier / options.sizeMultiplier;
    }
  }
  return Math.min(sizeValue.number * scale, options.maxSize);
};
var makeEm = function makeEm2(n) {
  return +n.toFixed(4) + "em";
};
var createClass = function createClass2(classes) {
  return classes.filter((cls) => cls).join(" ");
};
var initNode = function initNode2(classes, options, style) {
  this.classes = classes || [];
  this.attributes = {};
  this.height = 0;
  this.depth = 0;
  this.maxFontSize = 0;
  this.style = style || {};
  if (options) {
    if (options.style.isTight()) {
      this.classes.push("mtight");
    }
    var color = options.getColor();
    if (color) {
      this.style.color = color;
    }
  }
};
var toNode = function toNode2(tagName) {
  var node = document.createElement(tagName);
  node.className = createClass(this.classes);
  for (var style in this.style) {
    if (this.style.hasOwnProperty(style)) {
      node.style[style] = this.style[style];
    }
  }
  for (var attr in this.attributes) {
    if (this.attributes.hasOwnProperty(attr)) {
      node.setAttribute(attr, this.attributes[attr]);
    }
  }
  for (var i = 0; i < this.children.length; i++) {
    node.appendChild(this.children[i].toNode());
  }
  return node;
};
var toMarkup = function toMarkup2(tagName) {
  var markup = "<" + tagName;
  if (this.classes.length) {
    markup += ' class="' + utils.escape(createClass(this.classes)) + '"';
  }
  var styles2 = "";
  for (var style in this.style) {
    if (this.style.hasOwnProperty(style)) {
      styles2 += utils.hyphenate(style) + ":" + this.style[style] + ";";
    }
  }
  if (styles2) {
    markup += ' style="' + utils.escape(styles2) + '"';
  }
  for (var attr in this.attributes) {
    if (this.attributes.hasOwnProperty(attr)) {
      markup += " " + attr + '="' + utils.escape(this.attributes[attr]) + '"';
    }
  }
  markup += ">";
  for (var i = 0; i < this.children.length; i++) {
    markup += this.children[i].toMarkup();
  }
  markup += "</" + tagName + ">";
  return markup;
};
var Span = class {
  constructor(classes, children, options, style) {
    this.children = void 0;
    this.attributes = void 0;
    this.classes = void 0;
    this.height = void 0;
    this.depth = void 0;
    this.width = void 0;
    this.maxFontSize = void 0;
    this.style = void 0;
    initNode.call(this, classes, options, style);
    this.children = children || [];
  }
  setAttribute(attribute, value) {
    this.attributes[attribute] = value;
  }
  hasClass(className) {
    return utils.contains(this.classes, className);
  }
  toNode() {
    return toNode.call(this, "span");
  }
  toMarkup() {
    return toMarkup.call(this, "span");
  }
};
var Anchor = class {
  constructor(href, classes, children, options) {
    this.children = void 0;
    this.attributes = void 0;
    this.classes = void 0;
    this.height = void 0;
    this.depth = void 0;
    this.maxFontSize = void 0;
    this.style = void 0;
    initNode.call(this, classes, options);
    this.children = children || [];
    this.setAttribute("href", href);
  }
  setAttribute(attribute, value) {
    this.attributes[attribute] = value;
  }
  hasClass(className) {
    return utils.contains(this.classes, className);
  }
  toNode() {
    return toNode.call(this, "a");
  }
  toMarkup() {
    return toMarkup.call(this, "a");
  }
};
var Img = class {
  constructor(src, alt, style) {
    this.src = void 0;
    this.alt = void 0;
    this.classes = void 0;
    this.height = void 0;
    this.depth = void 0;
    this.maxFontSize = void 0;
    this.style = void 0;
    this.alt = alt;
    this.src = src;
    this.classes = ["mord"];
    this.style = style;
  }
  hasClass(className) {
    return utils.contains(this.classes, className);
  }
  toNode() {
    var node = document.createElement("img");
    node.src = this.src;
    node.alt = this.alt;
    node.className = "mord";
    for (var style in this.style) {
      if (this.style.hasOwnProperty(style)) {
        node.style[style] = this.style[style];
      }
    }
    return node;
  }
  toMarkup() {
    var markup = "<img  src='" + this.src + " 'alt='" + this.alt + "' ";
    var styles2 = "";
    for (var style in this.style) {
      if (this.style.hasOwnProperty(style)) {
        styles2 += utils.hyphenate(style) + ":" + this.style[style] + ";";
      }
    }
    if (styles2) {
      markup += ' style="' + utils.escape(styles2) + '"';
    }
    markup += "'/>";
    return markup;
  }
};
var iCombinations = {
  "\xEE": "\u0131\u0302",
  "\xEF": "\u0131\u0308",
  "\xED": "\u0131\u0301",
  "\xEC": "\u0131\u0300"
};
var SymbolNode = class {
  constructor(text2, height, depth, italic, skew, width, classes, style) {
    this.text = void 0;
    this.height = void 0;
    this.depth = void 0;
    this.italic = void 0;
    this.skew = void 0;
    this.width = void 0;
    this.maxFontSize = void 0;
    this.classes = void 0;
    this.style = void 0;
    this.text = text2;
    this.height = height || 0;
    this.depth = depth || 0;
    this.italic = italic || 0;
    this.skew = skew || 0;
    this.width = width || 0;
    this.classes = classes || [];
    this.style = style || {};
    this.maxFontSize = 0;
    var script = scriptFromCodepoint(this.text.charCodeAt(0));
    if (script) {
      this.classes.push(script + "_fallback");
    }
    if (/[îïíì]/.test(this.text)) {
      this.text = iCombinations[this.text];
    }
  }
  hasClass(className) {
    return utils.contains(this.classes, className);
  }
  toNode() {
    var node = document.createTextNode(this.text);
    var span = null;
    if (this.italic > 0) {
      span = document.createElement("span");
      span.style.marginRight = makeEm(this.italic);
    }
    if (this.classes.length > 0) {
      span = span || document.createElement("span");
      span.className = createClass(this.classes);
    }
    for (var style in this.style) {
      if (this.style.hasOwnProperty(style)) {
        span = span || document.createElement("span");
        span.style[style] = this.style[style];
      }
    }
    if (span) {
      span.appendChild(node);
      return span;
    } else {
      return node;
    }
  }
  toMarkup() {
    var needsSpan = false;
    var markup = "<span";
    if (this.classes.length) {
      needsSpan = true;
      markup += ' class="';
      markup += utils.escape(createClass(this.classes));
      markup += '"';
    }
    var styles2 = "";
    if (this.italic > 0) {
      styles2 += "margin-right:" + this.italic + "em;";
    }
    for (var style in this.style) {
      if (this.style.hasOwnProperty(style)) {
        styles2 += utils.hyphenate(style) + ":" + this.style[style] + ";";
      }
    }
    if (styles2) {
      needsSpan = true;
      markup += ' style="' + utils.escape(styles2) + '"';
    }
    var escaped = utils.escape(this.text);
    if (needsSpan) {
      markup += ">";
      markup += escaped;
      markup += "</span>";
      return markup;
    } else {
      return escaped;
    }
  }
};
var SvgNode = class {
  constructor(children, attributes) {
    this.children = void 0;
    this.attributes = void 0;
    this.children = children || [];
    this.attributes = attributes || {};
  }
  toNode() {
    var svgNS = "http://www.w3.org/2000/svg";
    var node = document.createElementNS(svgNS, "svg");
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        node.setAttribute(attr, this.attributes[attr]);
      }
    }
    for (var i = 0; i < this.children.length; i++) {
      node.appendChild(this.children[i].toNode());
    }
    return node;
  }
  toMarkup() {
    var markup = '<svg xmlns="http://www.w3.org/2000/svg"';
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        markup += " " + attr + "='" + this.attributes[attr] + "'";
      }
    }
    markup += ">";
    for (var i = 0; i < this.children.length; i++) {
      markup += this.children[i].toMarkup();
    }
    markup += "</svg>";
    return markup;
  }
};
var PathNode = class {
  constructor(pathName, alternate) {
    this.pathName = void 0;
    this.alternate = void 0;
    this.pathName = pathName;
    this.alternate = alternate;
  }
  toNode() {
    var svgNS = "http://www.w3.org/2000/svg";
    var node = document.createElementNS(svgNS, "path");
    if (this.alternate) {
      node.setAttribute("d", this.alternate);
    } else {
      node.setAttribute("d", path[this.pathName]);
    }
    return node;
  }
  toMarkup() {
    if (this.alternate) {
      return "<path d='" + this.alternate + "'/>";
    } else {
      return "<path d='" + path[this.pathName] + "'/>";
    }
  }
};
var LineNode = class {
  constructor(attributes) {
    this.attributes = void 0;
    this.attributes = attributes || {};
  }
  toNode() {
    var svgNS = "http://www.w3.org/2000/svg";
    var node = document.createElementNS(svgNS, "line");
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        node.setAttribute(attr, this.attributes[attr]);
      }
    }
    return node;
  }
  toMarkup() {
    var markup = "<line";
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        markup += " " + attr + "='" + this.attributes[attr] + "'";
      }
    }
    markup += "/>";
    return markup;
  }
};
function assertSymbolDomNode(group) {
  if (group instanceof SymbolNode) {
    return group;
  } else {
    throw new Error("Expected symbolNode but got " + String(group) + ".");
  }
}
function assertSpan(group) {
  if (group instanceof Span) {
    return group;
  } else {
    throw new Error("Expected span<HtmlDomNode> but got " + String(group) + ".");
  }
}
var ATOMS = {
  "bin": 1,
  "close": 1,
  "inner": 1,
  "open": 1,
  "punct": 1,
  "rel": 1
};
var NON_ATOMS = {
  "accent-token": 1,
  "mathord": 1,
  "op-token": 1,
  "spacing": 1,
  "textord": 1
};
var symbols = {
  "math": {},
  "text": {}
};
function defineSymbol(mode, font, group, replace, name, acceptUnicodeChar) {
  symbols[mode][name] = {
    font,
    group,
    replace
  };
  if (acceptUnicodeChar && replace) {
    symbols[mode][replace] = symbols[mode][name];
  }
}
var math = "math";
var text = "text";
var main = "main";
var ams = "ams";
var accent = "accent-token";
var bin = "bin";
var close = "close";
var inner = "inner";
var mathord = "mathord";
var op = "op-token";
var open = "open";
var punct = "punct";
var rel = "rel";
var spacing = "spacing";
var textord = "textord";
defineSymbol(math, main, rel, "\u2261", "\\equiv", true);
defineSymbol(math, main, rel, "\u227A", "\\prec", true);
defineSymbol(math, main, rel, "\u227B", "\\succ", true);
defineSymbol(math, main, rel, "\u223C", "\\sim", true);
defineSymbol(math, main, rel, "\u22A5", "\\perp");
defineSymbol(math, main, rel, "\u2AAF", "\\preceq", true);
defineSymbol(math, main, rel, "\u2AB0", "\\succeq", true);
defineSymbol(math, main, rel, "\u2243", "\\simeq", true);
defineSymbol(math, main, rel, "\u2223", "\\mid", true);
defineSymbol(math, main, rel, "\u226A", "\\ll", true);
defineSymbol(math, main, rel, "\u226B", "\\gg", true);
defineSymbol(math, main, rel, "\u224D", "\\asymp", true);
defineSymbol(math, main, rel, "\u2225", "\\parallel");
defineSymbol(math, main, rel, "\u22C8", "\\bowtie", true);
defineSymbol(math, main, rel, "\u2323", "\\smile", true);
defineSymbol(math, main, rel, "\u2291", "\\sqsubseteq", true);
defineSymbol(math, main, rel, "\u2292", "\\sqsupseteq", true);
defineSymbol(math, main, rel, "\u2250", "\\doteq", true);
defineSymbol(math, main, rel, "\u2322", "\\frown", true);
defineSymbol(math, main, rel, "\u220B", "\\ni", true);
defineSymbol(math, main, rel, "\u221D", "\\propto", true);
defineSymbol(math, main, rel, "\u22A2", "\\vdash", true);
defineSymbol(math, main, rel, "\u22A3", "\\dashv", true);
defineSymbol(math, main, rel, "\u220B", "\\owns");
defineSymbol(math, main, punct, ".", "\\ldotp");
defineSymbol(math, main, punct, "\u22C5", "\\cdotp");
defineSymbol(math, main, textord, "#", "\\#");
defineSymbol(text, main, textord, "#", "\\#");
defineSymbol(math, main, textord, "&", "\\&");
defineSymbol(text, main, textord, "&", "\\&");
defineSymbol(math, main, textord, "\u2135", "\\aleph", true);
defineSymbol(math, main, textord, "\u2200", "\\forall", true);
defineSymbol(math, main, textord, "\u210F", "\\hbar", true);
defineSymbol(math, main, textord, "\u2203", "\\exists", true);
defineSymbol(math, main, textord, "\u2207", "\\nabla", true);
defineSymbol(math, main, textord, "\u266D", "\\flat", true);
defineSymbol(math, main, textord, "\u2113", "\\ell", true);
defineSymbol(math, main, textord, "\u266E", "\\natural", true);
defineSymbol(math, main, textord, "\u2663", "\\clubsuit", true);
defineSymbol(math, main, textord, "\u2118", "\\wp", true);
defineSymbol(math, main, textord, "\u266F", "\\sharp", true);
defineSymbol(math, main, textord, "\u2662", "\\diamondsuit", true);
defineSymbol(math, main, textord, "\u211C", "\\Re", true);
defineSymbol(math, main, textord, "\u2661", "\\heartsuit", true);
defineSymbol(math, main, textord, "\u2111", "\\Im", true);
defineSymbol(math, main, textord, "\u2660", "\\spadesuit", true);
defineSymbol(math, main, textord, "\xA7", "\\S", true);
defineSymbol(text, main, textord, "\xA7", "\\S");
defineSymbol(math, main, textord, "\xB6", "\\P", true);
defineSymbol(text, main, textord, "\xB6", "\\P");
defineSymbol(math, main, textord, "\u2020", "\\dag");
defineSymbol(text, main, textord, "\u2020", "\\dag");
defineSymbol(text, main, textord, "\u2020", "\\textdagger");
defineSymbol(math, main, textord, "\u2021", "\\ddag");
defineSymbol(text, main, textord, "\u2021", "\\ddag");
defineSymbol(text, main, textord, "\u2021", "\\textdaggerdbl");
defineSymbol(math, main, close, "\u23B1", "\\rmoustache", true);
defineSymbol(math, main, open, "\u23B0", "\\lmoustache", true);
defineSymbol(math, main, close, "\u27EF", "\\rgroup", true);
defineSymbol(math, main, open, "\u27EE", "\\lgroup", true);
defineSymbol(math, main, bin, "\u2213", "\\mp", true);
defineSymbol(math, main, bin, "\u2296", "\\ominus", true);
defineSymbol(math, main, bin, "\u228E", "\\uplus", true);
defineSymbol(math, main, bin, "\u2293", "\\sqcap", true);
defineSymbol(math, main, bin, "\u2217", "\\ast");
defineSymbol(math, main, bin, "\u2294", "\\sqcup", true);
defineSymbol(math, main, bin, "\u25EF", "\\bigcirc", true);
defineSymbol(math, main, bin, "\u2219", "\\bullet");
defineSymbol(math, main, bin, "\u2021", "\\ddagger");
defineSymbol(math, main, bin, "\u2240", "\\wr", true);
defineSymbol(math, main, bin, "\u2A3F", "\\amalg");
defineSymbol(math, main, bin, "&", "\\And");
defineSymbol(math, main, rel, "\u27F5", "\\longleftarrow", true);
defineSymbol(math, main, rel, "\u21D0", "\\Leftarrow", true);
defineSymbol(math, main, rel, "\u27F8", "\\Longleftarrow", true);
defineSymbol(math, main, rel, "\u27F6", "\\longrightarrow", true);
defineSymbol(math, main, rel, "\u21D2", "\\Rightarrow", true);
defineSymbol(math, main, rel, "\u27F9", "\\Longrightarrow", true);
defineSymbol(math, main, rel, "\u2194", "\\leftrightarrow", true);
defineSymbol(math, main, rel, "\u27F7", "\\longleftrightarrow", true);
defineSymbol(math, main, rel, "\u21D4", "\\Leftrightarrow", true);
defineSymbol(math, main, rel, "\u27FA", "\\Longleftrightarrow", true);
defineSymbol(math, main, rel, "\u21A6", "\\mapsto", true);
defineSymbol(math, main, rel, "\u27FC", "\\longmapsto", true);
defineSymbol(math, main, rel, "\u2197", "\\nearrow", true);
defineSymbol(math, main, rel, "\u21A9", "\\hookleftarrow", true);
defineSymbol(math, main, rel, "\u21AA", "\\hookrightarrow", true);
defineSymbol(math, main, rel, "\u2198", "\\searrow", true);
defineSymbol(math, main, rel, "\u21BC", "\\leftharpoonup", true);
defineSymbol(math, main, rel, "\u21C0", "\\rightharpoonup", true);
defineSymbol(math, main, rel, "\u2199", "\\swarrow", true);
defineSymbol(math, main, rel, "\u21BD", "\\leftharpoondown", true);
defineSymbol(math, main, rel, "\u21C1", "\\rightharpoondown", true);
defineSymbol(math, main, rel, "\u2196", "\\nwarrow", true);
defineSymbol(math, main, rel, "\u21CC", "\\rightleftharpoons", true);
defineSymbol(math, ams, rel, "\u226E", "\\nless", true);
defineSymbol(math, ams, rel, "\uE010", "\\@nleqslant");
defineSymbol(math, ams, rel, "\uE011", "\\@nleqq");
defineSymbol(math, ams, rel, "\u2A87", "\\lneq", true);
defineSymbol(math, ams, rel, "\u2268", "\\lneqq", true);
defineSymbol(math, ams, rel, "\uE00C", "\\@lvertneqq");
defineSymbol(math, ams, rel, "\u22E6", "\\lnsim", true);
defineSymbol(math, ams, rel, "\u2A89", "\\lnapprox", true);
defineSymbol(math, ams, rel, "\u2280", "\\nprec", true);
defineSymbol(math, ams, rel, "\u22E0", "\\npreceq", true);
defineSymbol(math, ams, rel, "\u22E8", "\\precnsim", true);
defineSymbol(math, ams, rel, "\u2AB9", "\\precnapprox", true);
defineSymbol(math, ams, rel, "\u2241", "\\nsim", true);
defineSymbol(math, ams, rel, "\uE006", "\\@nshortmid");
defineSymbol(math, ams, rel, "\u2224", "\\nmid", true);
defineSymbol(math, ams, rel, "\u22AC", "\\nvdash", true);
defineSymbol(math, ams, rel, "\u22AD", "\\nvDash", true);
defineSymbol(math, ams, rel, "\u22EA", "\\ntriangleleft");
defineSymbol(math, ams, rel, "\u22EC", "\\ntrianglelefteq", true);
defineSymbol(math, ams, rel, "\u228A", "\\subsetneq", true);
defineSymbol(math, ams, rel, "\uE01A", "\\@varsubsetneq");
defineSymbol(math, ams, rel, "\u2ACB", "\\subsetneqq", true);
defineSymbol(math, ams, rel, "\uE017", "\\@varsubsetneqq");
defineSymbol(math, ams, rel, "\u226F", "\\ngtr", true);
defineSymbol(math, ams, rel, "\uE00F", "\\@ngeqslant");
defineSymbol(math, ams, rel, "\uE00E", "\\@ngeqq");
defineSymbol(math, ams, rel, "\u2A88", "\\gneq", true);
defineSymbol(math, ams, rel, "\u2269", "\\gneqq", true);
defineSymbol(math, ams, rel, "\uE00D", "\\@gvertneqq");
defineSymbol(math, ams, rel, "\u22E7", "\\gnsim", true);
defineSymbol(math, ams, rel, "\u2A8A", "\\gnapprox", true);
defineSymbol(math, ams, rel, "\u2281", "\\nsucc", true);
defineSymbol(math, ams, rel, "\u22E1", "\\nsucceq", true);
defineSymbol(math, ams, rel, "\u22E9", "\\succnsim", true);
defineSymbol(math, ams, rel, "\u2ABA", "\\succnapprox", true);
defineSymbol(math, ams, rel, "\u2246", "\\ncong", true);
defineSymbol(math, ams, rel, "\uE007", "\\@nshortparallel");
defineSymbol(math, ams, rel, "\u2226", "\\nparallel", true);
defineSymbol(math, ams, rel, "\u22AF", "\\nVDash", true);
defineSymbol(math, ams, rel, "\u22EB", "\\ntriangleright");
defineSymbol(math, ams, rel, "\u22ED", "\\ntrianglerighteq", true);
defineSymbol(math, ams, rel, "\uE018", "\\@nsupseteqq");
defineSymbol(math, ams, rel, "\u228B", "\\supsetneq", true);
defineSymbol(math, ams, rel, "\uE01B", "\\@varsupsetneq");
defineSymbol(math, ams, rel, "\u2ACC", "\\supsetneqq", true);
defineSymbol(math, ams, rel, "\uE019", "\\@varsupsetneqq");
defineSymbol(math, ams, rel, "\u22AE", "\\nVdash", true);
defineSymbol(math, ams, rel, "\u2AB5", "\\precneqq", true);
defineSymbol(math, ams, rel, "\u2AB6", "\\succneqq", true);
defineSymbol(math, ams, rel, "\uE016", "\\@nsubseteqq");
defineSymbol(math, ams, bin, "\u22B4", "\\unlhd");
defineSymbol(math, ams, bin, "\u22B5", "\\unrhd");
defineSymbol(math, ams, rel, "\u219A", "\\nleftarrow", true);
defineSymbol(math, ams, rel, "\u219B", "\\nrightarrow", true);
defineSymbol(math, ams, rel, "\u21CD", "\\nLeftarrow", true);
defineSymbol(math, ams, rel, "\u21CF", "\\nRightarrow", true);
defineSymbol(math, ams, rel, "\u21AE", "\\nleftrightarrow", true);
defineSymbol(math, ams, rel, "\u21CE", "\\nLeftrightarrow", true);
defineSymbol(math, ams, rel, "\u25B3", "\\vartriangle");
defineSymbol(math, ams, textord, "\u210F", "\\hslash");
defineSymbol(math, ams, textord, "\u25BD", "\\triangledown");
defineSymbol(math, ams, textord, "\u25CA", "\\lozenge");
defineSymbol(math, ams, textord, "\u24C8", "\\circledS");
defineSymbol(math, ams, textord, "\xAE", "\\circledR");
defineSymbol(text, ams, textord, "\xAE", "\\circledR");
defineSymbol(math, ams, textord, "\u2221", "\\measuredangle", true);
defineSymbol(math, ams, textord, "\u2204", "\\nexists");
defineSymbol(math, ams, textord, "\u2127", "\\mho");
defineSymbol(math, ams, textord, "\u2132", "\\Finv", true);
defineSymbol(math, ams, textord, "\u2141", "\\Game", true);
defineSymbol(math, ams, textord, "\u2035", "\\backprime");
defineSymbol(math, ams, textord, "\u25B2", "\\blacktriangle");
defineSymbol(math, ams, textord, "\u25BC", "\\blacktriangledown");
defineSymbol(math, ams, textord, "\u25A0", "\\blacksquare");
defineSymbol(math, ams, textord, "\u29EB", "\\blacklozenge");
defineSymbol(math, ams, textord, "\u2605", "\\bigstar");
defineSymbol(math, ams, textord, "\u2222", "\\sphericalangle", true);
defineSymbol(math, ams, textord, "\u2201", "\\complement", true);
defineSymbol(math, ams, textord, "\xF0", "\\eth", true);
defineSymbol(text, main, textord, "\xF0", "\xF0");
defineSymbol(math, ams, textord, "\u2571", "\\diagup");
defineSymbol(math, ams, textord, "\u2572", "\\diagdown");
defineSymbol(math, ams, textord, "\u25A1", "\\square");
defineSymbol(math, ams, textord, "\u25A1", "\\Box");
defineSymbol(math, ams, textord, "\u25CA", "\\Diamond");
defineSymbol(math, ams, textord, "\xA5", "\\yen", true);
defineSymbol(text, ams, textord, "\xA5", "\\yen", true);
defineSymbol(math, ams, textord, "\u2713", "\\checkmark", true);
defineSymbol(text, ams, textord, "\u2713", "\\checkmark");
defineSymbol(math, ams, textord, "\u2136", "\\beth", true);
defineSymbol(math, ams, textord, "\u2138", "\\daleth", true);
defineSymbol(math, ams, textord, "\u2137", "\\gimel", true);
defineSymbol(math, ams, textord, "\u03DD", "\\digamma", true);
defineSymbol(math, ams, textord, "\u03F0", "\\varkappa");
defineSymbol(math, ams, open, "\u250C", "\\@ulcorner", true);
defineSymbol(math, ams, close, "\u2510", "\\@urcorner", true);
defineSymbol(math, ams, open, "\u2514", "\\@llcorner", true);
defineSymbol(math, ams, close, "\u2518", "\\@lrcorner", true);
defineSymbol(math, ams, rel, "\u2266", "\\leqq", true);
defineSymbol(math, ams, rel, "\u2A7D", "\\leqslant", true);
defineSymbol(math, ams, rel, "\u2A95", "\\eqslantless", true);
defineSymbol(math, ams, rel, "\u2272", "\\lesssim", true);
defineSymbol(math, ams, rel, "\u2A85", "\\lessapprox", true);
defineSymbol(math, ams, rel, "\u224A", "\\approxeq", true);
defineSymbol(math, ams, bin, "\u22D6", "\\lessdot");
defineSymbol(math, ams, rel, "\u22D8", "\\lll", true);
defineSymbol(math, ams, rel, "\u2276", "\\lessgtr", true);
defineSymbol(math, ams, rel, "\u22DA", "\\lesseqgtr", true);
defineSymbol(math, ams, rel, "\u2A8B", "\\lesseqqgtr", true);
defineSymbol(math, ams, rel, "\u2251", "\\doteqdot");
defineSymbol(math, ams, rel, "\u2253", "\\risingdotseq", true);
defineSymbol(math, ams, rel, "\u2252", "\\fallingdotseq", true);
defineSymbol(math, ams, rel, "\u223D", "\\backsim", true);
defineSymbol(math, ams, rel, "\u22CD", "\\backsimeq", true);
defineSymbol(math, ams, rel, "\u2AC5", "\\subseteqq", true);
defineSymbol(math, ams, rel, "\u22D0", "\\Subset", true);
defineSymbol(math, ams, rel, "\u228F", "\\sqsubset", true);
defineSymbol(math, ams, rel, "\u227C", "\\preccurlyeq", true);
defineSymbol(math, ams, rel, "\u22DE", "\\curlyeqprec", true);
defineSymbol(math, ams, rel, "\u227E", "\\precsim", true);
defineSymbol(math, ams, rel, "\u2AB7", "\\precapprox", true);
defineSymbol(math, ams, rel, "\u22B2", "\\vartriangleleft");
defineSymbol(math, ams, rel, "\u22B4", "\\trianglelefteq");
defineSymbol(math, ams, rel, "\u22A8", "\\vDash", true);
defineSymbol(math, ams, rel, "\u22AA", "\\Vvdash", true);
defineSymbol(math, ams, rel, "\u2323", "\\smallsmile");
defineSymbol(math, ams, rel, "\u2322", "\\smallfrown");
defineSymbol(math, ams, rel, "\u224F", "\\bumpeq", true);
defineSymbol(math, ams, rel, "\u224E", "\\Bumpeq", true);
defineSymbol(math, ams, rel, "\u2267", "\\geqq", true);
defineSymbol(math, ams, rel, "\u2A7E", "\\geqslant", true);
defineSymbol(math, ams, rel, "\u2A96", "\\eqslantgtr", true);
defineSymbol(math, ams, rel, "\u2273", "\\gtrsim", true);
defineSymbol(math, ams, rel, "\u2A86", "\\gtrapprox", true);
defineSymbol(math, ams, bin, "\u22D7", "\\gtrdot");
defineSymbol(math, ams, rel, "\u22D9", "\\ggg", true);
defineSymbol(math, ams, rel, "\u2277", "\\gtrless", true);
defineSymbol(math, ams, rel, "\u22DB", "\\gtreqless", true);
defineSymbol(math, ams, rel, "\u2A8C", "\\gtreqqless", true);
defineSymbol(math, ams, rel, "\u2256", "\\eqcirc", true);
defineSymbol(math, ams, rel, "\u2257", "\\circeq", true);
defineSymbol(math, ams, rel, "\u225C", "\\triangleq", true);
defineSymbol(math, ams, rel, "\u223C", "\\thicksim");
defineSymbol(math, ams, rel, "\u2248", "\\thickapprox");
defineSymbol(math, ams, rel, "\u2AC6", "\\supseteqq", true);
defineSymbol(math, ams, rel, "\u22D1", "\\Supset", true);
defineSymbol(math, ams, rel, "\u2290", "\\sqsupset", true);
defineSymbol(math, ams, rel, "\u227D", "\\succcurlyeq", true);
defineSymbol(math, ams, rel, "\u22DF", "\\curlyeqsucc", true);
defineSymbol(math, ams, rel, "\u227F", "\\succsim", true);
defineSymbol(math, ams, rel, "\u2AB8", "\\succapprox", true);
defineSymbol(math, ams, rel, "\u22B3", "\\vartriangleright");
defineSymbol(math, ams, rel, "\u22B5", "\\trianglerighteq");
defineSymbol(math, ams, rel, "\u22A9", "\\Vdash", true);
defineSymbol(math, ams, rel, "\u2223", "\\shortmid");
defineSymbol(math, ams, rel, "\u2225", "\\shortparallel");
defineSymbol(math, ams, rel, "\u226C", "\\between", true);
defineSymbol(math, ams, rel, "\u22D4", "\\pitchfork", true);
defineSymbol(math, ams, rel, "\u221D", "\\varpropto");
defineSymbol(math, ams, rel, "\u25C0", "\\blacktriangleleft");
defineSymbol(math, ams, rel, "\u2234", "\\therefore", true);
defineSymbol(math, ams, rel, "\u220D", "\\backepsilon");
defineSymbol(math, ams, rel, "\u25B6", "\\blacktriangleright");
defineSymbol(math, ams, rel, "\u2235", "\\because", true);
defineSymbol(math, ams, rel, "\u22D8", "\\llless");
defineSymbol(math, ams, rel, "\u22D9", "\\gggtr");
defineSymbol(math, ams, bin, "\u22B2", "\\lhd");
defineSymbol(math, ams, bin, "\u22B3", "\\rhd");
defineSymbol(math, ams, rel, "\u2242", "\\eqsim", true);
defineSymbol(math, main, rel, "\u22C8", "\\Join");
defineSymbol(math, ams, rel, "\u2251", "\\Doteq", true);
defineSymbol(math, ams, bin, "\u2214", "\\dotplus", true);
defineSymbol(math, ams, bin, "\u2216", "\\smallsetminus");
defineSymbol(math, ams, bin, "\u22D2", "\\Cap", true);
defineSymbol(math, ams, bin, "\u22D3", "\\Cup", true);
defineSymbol(math, ams, bin, "\u2A5E", "\\doublebarwedge", true);
defineSymbol(math, ams, bin, "\u229F", "\\boxminus", true);
defineSymbol(math, ams, bin, "\u229E", "\\boxplus", true);
defineSymbol(math, ams, bin, "\u22C7", "\\divideontimes", true);
defineSymbol(math, ams, bin, "\u22C9", "\\ltimes", true);
defineSymbol(math, ams, bin, "\u22CA", "\\rtimes", true);
defineSymbol(math, ams, bin, "\u22CB", "\\leftthreetimes", true);
defineSymbol(math, ams, bin, "\u22CC", "\\rightthreetimes", true);
defineSymbol(math, ams, bin, "\u22CF", "\\curlywedge", true);
defineSymbol(math, ams, bin, "\u22CE", "\\curlyvee", true);
defineSymbol(math, ams, bin, "\u229D", "\\circleddash", true);
defineSymbol(math, ams, bin, "\u229B", "\\circledast", true);
defineSymbol(math, ams, bin, "\u22C5", "\\centerdot");
defineSymbol(math, ams, bin, "\u22BA", "\\intercal", true);
defineSymbol(math, ams, bin, "\u22D2", "\\doublecap");
defineSymbol(math, ams, bin, "\u22D3", "\\doublecup");
defineSymbol(math, ams, bin, "\u22A0", "\\boxtimes", true);
defineSymbol(math, ams, rel, "\u21E2", "\\dashrightarrow", true);
defineSymbol(math, ams, rel, "\u21E0", "\\dashleftarrow", true);
defineSymbol(math, ams, rel, "\u21C7", "\\leftleftarrows", true);
defineSymbol(math, ams, rel, "\u21C6", "\\leftrightarrows", true);
defineSymbol(math, ams, rel, "\u21DA", "\\Lleftarrow", true);
defineSymbol(math, ams, rel, "\u219E", "\\twoheadleftarrow", true);
defineSymbol(math, ams, rel, "\u21A2", "\\leftarrowtail", true);
defineSymbol(math, ams, rel, "\u21AB", "\\looparrowleft", true);
defineSymbol(math, ams, rel, "\u21CB", "\\leftrightharpoons", true);
defineSymbol(math, ams, rel, "\u21B6", "\\curvearrowleft", true);
defineSymbol(math, ams, rel, "\u21BA", "\\circlearrowleft", true);
defineSymbol(math, ams, rel, "\u21B0", "\\Lsh", true);
defineSymbol(math, ams, rel, "\u21C8", "\\upuparrows", true);
defineSymbol(math, ams, rel, "\u21BF", "\\upharpoonleft", true);
defineSymbol(math, ams, rel, "\u21C3", "\\downharpoonleft", true);
defineSymbol(math, main, rel, "\u22B6", "\\origof", true);
defineSymbol(math, main, rel, "\u22B7", "\\imageof", true);
defineSymbol(math, ams, rel, "\u22B8", "\\multimap", true);
defineSymbol(math, ams, rel, "\u21AD", "\\leftrightsquigarrow", true);
defineSymbol(math, ams, rel, "\u21C9", "\\rightrightarrows", true);
defineSymbol(math, ams, rel, "\u21C4", "\\rightleftarrows", true);
defineSymbol(math, ams, rel, "\u21A0", "\\twoheadrightarrow", true);
defineSymbol(math, ams, rel, "\u21A3", "\\rightarrowtail", true);
defineSymbol(math, ams, rel, "\u21AC", "\\looparrowright", true);
defineSymbol(math, ams, rel, "\u21B7", "\\curvearrowright", true);
defineSymbol(math, ams, rel, "\u21BB", "\\circlearrowright", true);
defineSymbol(math, ams, rel, "\u21B1", "\\Rsh", true);
defineSymbol(math, ams, rel, "\u21CA", "\\downdownarrows", true);
defineSymbol(math, ams, rel, "\u21BE", "\\upharpoonright", true);
defineSymbol(math, ams, rel, "\u21C2", "\\downharpoonright", true);
defineSymbol(math, ams, rel, "\u21DD", "\\rightsquigarrow", true);
defineSymbol(math, ams, rel, "\u21DD", "\\leadsto");
defineSymbol(math, ams, rel, "\u21DB", "\\Rrightarrow", true);
defineSymbol(math, ams, rel, "\u21BE", "\\restriction");
defineSymbol(math, main, textord, "\u2018", "`");
defineSymbol(math, main, textord, "$", "\\$");
defineSymbol(text, main, textord, "$", "\\$");
defineSymbol(text, main, textord, "$", "\\textdollar");
defineSymbol(math, main, textord, "%", "\\%");
defineSymbol(text, main, textord, "%", "\\%");
defineSymbol(math, main, textord, "_", "\\_");
defineSymbol(text, main, textord, "_", "\\_");
defineSymbol(text, main, textord, "_", "\\textunderscore");
defineSymbol(math, main, textord, "\u2220", "\\angle", true);
defineSymbol(math, main, textord, "\u221E", "\\infty", true);
defineSymbol(math, main, textord, "\u2032", "\\prime");
defineSymbol(math, main, textord, "\u25B3", "\\triangle");
defineSymbol(math, main, textord, "\u0393", "\\Gamma", true);
defineSymbol(math, main, textord, "\u0394", "\\Delta", true);
defineSymbol(math, main, textord, "\u0398", "\\Theta", true);
defineSymbol(math, main, textord, "\u039B", "\\Lambda", true);
defineSymbol(math, main, textord, "\u039E", "\\Xi", true);
defineSymbol(math, main, textord, "\u03A0", "\\Pi", true);
defineSymbol(math, main, textord, "\u03A3", "\\Sigma", true);
defineSymbol(math, main, textord, "\u03A5", "\\Upsilon", true);
defineSymbol(math, main, textord, "\u03A6", "\\Phi", true);
defineSymbol(math, main, textord, "\u03A8", "\\Psi", true);
defineSymbol(math, main, textord, "\u03A9", "\\Omega", true);
defineSymbol(math, main, textord, "A", "\u0391");
defineSymbol(math, main, textord, "B", "\u0392");
defineSymbol(math, main, textord, "E", "\u0395");
defineSymbol(math, main, textord, "Z", "\u0396");
defineSymbol(math, main, textord, "H", "\u0397");
defineSymbol(math, main, textord, "I", "\u0399");
defineSymbol(math, main, textord, "K", "\u039A");
defineSymbol(math, main, textord, "M", "\u039C");
defineSymbol(math, main, textord, "N", "\u039D");
defineSymbol(math, main, textord, "O", "\u039F");
defineSymbol(math, main, textord, "P", "\u03A1");
defineSymbol(math, main, textord, "T", "\u03A4");
defineSymbol(math, main, textord, "X", "\u03A7");
defineSymbol(math, main, textord, "\xAC", "\\neg", true);
defineSymbol(math, main, textord, "\xAC", "\\lnot");
defineSymbol(math, main, textord, "\u22A4", "\\top");
defineSymbol(math, main, textord, "\u22A5", "\\bot");
defineSymbol(math, main, textord, "\u2205", "\\emptyset");
defineSymbol(math, ams, textord, "\u2205", "\\varnothing");
defineSymbol(math, main, mathord, "\u03B1", "\\alpha", true);
defineSymbol(math, main, mathord, "\u03B2", "\\beta", true);
defineSymbol(math, main, mathord, "\u03B3", "\\gamma", true);
defineSymbol(math, main, mathord, "\u03B4", "\\delta", true);
defineSymbol(math, main, mathord, "\u03F5", "\\epsilon", true);
defineSymbol(math, main, mathord, "\u03B6", "\\zeta", true);
defineSymbol(math, main, mathord, "\u03B7", "\\eta", true);
defineSymbol(math, main, mathord, "\u03B8", "\\theta", true);
defineSymbol(math, main, mathord, "\u03B9", "\\iota", true);
defineSymbol(math, main, mathord, "\u03BA", "\\kappa", true);
defineSymbol(math, main, mathord, "\u03BB", "\\lambda", true);
defineSymbol(math, main, mathord, "\u03BC", "\\mu", true);
defineSymbol(math, main, mathord, "\u03BD", "\\nu", true);
defineSymbol(math, main, mathord, "\u03BE", "\\xi", true);
defineSymbol(math, main, mathord, "\u03BF", "\\omicron", true);
defineSymbol(math, main, mathord, "\u03C0", "\\pi", true);
defineSymbol(math, main, mathord, "\u03C1", "\\rho", true);
defineSymbol(math, main, mathord, "\u03C3", "\\sigma", true);
defineSymbol(math, main, mathord, "\u03C4", "\\tau", true);
defineSymbol(math, main, mathord, "\u03C5", "\\upsilon", true);
defineSymbol(math, main, mathord, "\u03D5", "\\phi", true);
defineSymbol(math, main, mathord, "\u03C7", "\\chi", true);
defineSymbol(math, main, mathord, "\u03C8", "\\psi", true);
defineSymbol(math, main, mathord, "\u03C9", "\\omega", true);
defineSymbol(math, main, mathord, "\u03B5", "\\varepsilon", true);
defineSymbol(math, main, mathord, "\u03D1", "\\vartheta", true);
defineSymbol(math, main, mathord, "\u03D6", "\\varpi", true);
defineSymbol(math, main, mathord, "\u03F1", "\\varrho", true);
defineSymbol(math, main, mathord, "\u03C2", "\\varsigma", true);
defineSymbol(math, main, mathord, "\u03C6", "\\varphi", true);
defineSymbol(math, main, bin, "\u2217", "*", true);
defineSymbol(math, main, bin, "+", "+");
defineSymbol(math, main, bin, "\u2212", "-", true);
defineSymbol(math, main, bin, "\u22C5", "\\cdot", true);
defineSymbol(math, main, bin, "\u2218", "\\circ");
defineSymbol(math, main, bin, "\xF7", "\\div", true);
defineSymbol(math, main, bin, "\xB1", "\\pm", true);
defineSymbol(math, main, bin, "\xD7", "\\times", true);
defineSymbol(math, main, bin, "\u2229", "\\cap", true);
defineSymbol(math, main, bin, "\u222A", "\\cup", true);
defineSymbol(math, main, bin, "\u2216", "\\setminus");
defineSymbol(math, main, bin, "\u2227", "\\land");
defineSymbol(math, main, bin, "\u2228", "\\lor");
defineSymbol(math, main, bin, "\u2227", "\\wedge", true);
defineSymbol(math, main, bin, "\u2228", "\\vee", true);
defineSymbol(math, main, textord, "\u221A", "\\surd");
defineSymbol(math, main, open, "\u27E8", "\\langle", true);
defineSymbol(math, main, open, "\u2223", "\\lvert");
defineSymbol(math, main, open, "\u2225", "\\lVert");
defineSymbol(math, main, close, "?", "?");
defineSymbol(math, main, close, "!", "!");
defineSymbol(math, main, close, "\u27E9", "\\rangle", true);
defineSymbol(math, main, close, "\u2223", "\\rvert");
defineSymbol(math, main, close, "\u2225", "\\rVert");
defineSymbol(math, main, rel, "=", "=");
defineSymbol(math, main, rel, ":", ":");
defineSymbol(math, main, rel, "\u2248", "\\approx", true);
defineSymbol(math, main, rel, "\u2245", "\\cong", true);
defineSymbol(math, main, rel, "\u2265", "\\ge");
defineSymbol(math, main, rel, "\u2265", "\\geq", true);
defineSymbol(math, main, rel, "\u2190", "\\gets");
defineSymbol(math, main, rel, ">", "\\gt", true);
defineSymbol(math, main, rel, "\u2208", "\\in", true);
defineSymbol(math, main, rel, "\uE020", "\\@not");
defineSymbol(math, main, rel, "\u2282", "\\subset", true);
defineSymbol(math, main, rel, "\u2283", "\\supset", true);
defineSymbol(math, main, rel, "\u2286", "\\subseteq", true);
defineSymbol(math, main, rel, "\u2287", "\\supseteq", true);
defineSymbol(math, ams, rel, "\u2288", "\\nsubseteq", true);
defineSymbol(math, ams, rel, "\u2289", "\\nsupseteq", true);
defineSymbol(math, main, rel, "\u22A8", "\\models");
defineSymbol(math, main, rel, "\u2190", "\\leftarrow", true);
defineSymbol(math, main, rel, "\u2264", "\\le");
defineSymbol(math, main, rel, "\u2264", "\\leq", true);
defineSymbol(math, main, rel, "<", "\\lt", true);
defineSymbol(math, main, rel, "\u2192", "\\rightarrow", true);
defineSymbol(math, main, rel, "\u2192", "\\to");
defineSymbol(math, ams, rel, "\u2271", "\\ngeq", true);
defineSymbol(math, ams, rel, "\u2270", "\\nleq", true);
defineSymbol(math, main, spacing, "\xA0", "\\ ");
defineSymbol(math, main, spacing, "\xA0", "\\space");
defineSymbol(math, main, spacing, "\xA0", "\\nobreakspace");
defineSymbol(text, main, spacing, "\xA0", "\\ ");
defineSymbol(text, main, spacing, "\xA0", " ");
defineSymbol(text, main, spacing, "\xA0", "\\space");
defineSymbol(text, main, spacing, "\xA0", "\\nobreakspace");
defineSymbol(math, main, spacing, null, "\\nobreak");
defineSymbol(math, main, spacing, null, "\\allowbreak");
defineSymbol(math, main, punct, ",", ",");
defineSymbol(math, main, punct, ";", ";");
defineSymbol(math, ams, bin, "\u22BC", "\\barwedge", true);
defineSymbol(math, ams, bin, "\u22BB", "\\veebar", true);
defineSymbol(math, main, bin, "\u2299", "\\odot", true);
defineSymbol(math, main, bin, "\u2295", "\\oplus", true);
defineSymbol(math, main, bin, "\u2297", "\\otimes", true);
defineSymbol(math, main, textord, "\u2202", "\\partial", true);
defineSymbol(math, main, bin, "\u2298", "\\oslash", true);
defineSymbol(math, ams, bin, "\u229A", "\\circledcirc", true);
defineSymbol(math, ams, bin, "\u22A1", "\\boxdot", true);
defineSymbol(math, main, bin, "\u25B3", "\\bigtriangleup");
defineSymbol(math, main, bin, "\u25BD", "\\bigtriangledown");
defineSymbol(math, main, bin, "\u2020", "\\dagger");
defineSymbol(math, main, bin, "\u22C4", "\\diamond");
defineSymbol(math, main, bin, "\u22C6", "\\star");
defineSymbol(math, main, bin, "\u25C3", "\\triangleleft");
defineSymbol(math, main, bin, "\u25B9", "\\triangleright");
defineSymbol(math, main, open, "{", "\\{");
defineSymbol(text, main, textord, "{", "\\{");
defineSymbol(text, main, textord, "{", "\\textbraceleft");
defineSymbol(math, main, close, "}", "\\}");
defineSymbol(text, main, textord, "}", "\\}");
defineSymbol(text, main, textord, "}", "\\textbraceright");
defineSymbol(math, main, open, "{", "\\lbrace");
defineSymbol(math, main, close, "}", "\\rbrace");
defineSymbol(math, main, open, "[", "\\lbrack", true);
defineSymbol(text, main, textord, "[", "\\lbrack", true);
defineSymbol(math, main, close, "]", "\\rbrack", true);
defineSymbol(text, main, textord, "]", "\\rbrack", true);
defineSymbol(math, main, open, "(", "\\lparen", true);
defineSymbol(math, main, close, ")", "\\rparen", true);
defineSymbol(text, main, textord, "<", "\\textless", true);
defineSymbol(text, main, textord, ">", "\\textgreater", true);
defineSymbol(math, main, open, "\u230A", "\\lfloor", true);
defineSymbol(math, main, close, "\u230B", "\\rfloor", true);
defineSymbol(math, main, open, "\u2308", "\\lceil", true);
defineSymbol(math, main, close, "\u2309", "\\rceil", true);
defineSymbol(math, main, textord, "\\", "\\backslash");
defineSymbol(math, main, textord, "\u2223", "|");
defineSymbol(math, main, textord, "\u2223", "\\vert");
defineSymbol(text, main, textord, "|", "\\textbar", true);
defineSymbol(math, main, textord, "\u2225", "\\|");
defineSymbol(math, main, textord, "\u2225", "\\Vert");
defineSymbol(text, main, textord, "\u2225", "\\textbardbl");
defineSymbol(text, main, textord, "~", "\\textasciitilde");
defineSymbol(text, main, textord, "\\", "\\textbackslash");
defineSymbol(text, main, textord, "^", "\\textasciicircum");
defineSymbol(math, main, rel, "\u2191", "\\uparrow", true);
defineSymbol(math, main, rel, "\u21D1", "\\Uparrow", true);
defineSymbol(math, main, rel, "\u2193", "\\downarrow", true);
defineSymbol(math, main, rel, "\u21D3", "\\Downarrow", true);
defineSymbol(math, main, rel, "\u2195", "\\updownarrow", true);
defineSymbol(math, main, rel, "\u21D5", "\\Updownarrow", true);
defineSymbol(math, main, op, "\u2210", "\\coprod");
defineSymbol(math, main, op, "\u22C1", "\\bigvee");
defineSymbol(math, main, op, "\u22C0", "\\bigwedge");
defineSymbol(math, main, op, "\u2A04", "\\biguplus");
defineSymbol(math, main, op, "\u22C2", "\\bigcap");
defineSymbol(math, main, op, "\u22C3", "\\bigcup");
defineSymbol(math, main, op, "\u222B", "\\int");
defineSymbol(math, main, op, "\u222B", "\\intop");
defineSymbol(math, main, op, "\u222C", "\\iint");
defineSymbol(math, main, op, "\u222D", "\\iiint");
defineSymbol(math, main, op, "\u220F", "\\prod");
defineSymbol(math, main, op, "\u2211", "\\sum");
defineSymbol(math, main, op, "\u2A02", "\\bigotimes");
defineSymbol(math, main, op, "\u2A01", "\\bigoplus");
defineSymbol(math, main, op, "\u2A00", "\\bigodot");
defineSymbol(math, main, op, "\u222E", "\\oint");
defineSymbol(math, main, op, "\u222F", "\\oiint");
defineSymbol(math, main, op, "\u2230", "\\oiiint");
defineSymbol(math, main, op, "\u2A06", "\\bigsqcup");
defineSymbol(math, main, op, "\u222B", "\\smallint");
defineSymbol(text, main, inner, "\u2026", "\\textellipsis");
defineSymbol(math, main, inner, "\u2026", "\\mathellipsis");
defineSymbol(text, main, inner, "\u2026", "\\ldots", true);
defineSymbol(math, main, inner, "\u2026", "\\ldots", true);
defineSymbol(math, main, inner, "\u22EF", "\\@cdots", true);
defineSymbol(math, main, inner, "\u22F1", "\\ddots", true);
defineSymbol(math, main, textord, "\u22EE", "\\varvdots");
defineSymbol(math, main, accent, "\u02CA", "\\acute");
defineSymbol(math, main, accent, "\u02CB", "\\grave");
defineSymbol(math, main, accent, "\xA8", "\\ddot");
defineSymbol(math, main, accent, "~", "\\tilde");
defineSymbol(math, main, accent, "\u02C9", "\\bar");
defineSymbol(math, main, accent, "\u02D8", "\\breve");
defineSymbol(math, main, accent, "\u02C7", "\\check");
defineSymbol(math, main, accent, "^", "\\hat");
defineSymbol(math, main, accent, "\u20D7", "\\vec");
defineSymbol(math, main, accent, "\u02D9", "\\dot");
defineSymbol(math, main, accent, "\u02DA", "\\mathring");
defineSymbol(math, main, mathord, "\uE131", "\\@imath");
defineSymbol(math, main, mathord, "\uE237", "\\@jmath");
defineSymbol(math, main, textord, "\u0131", "\u0131");
defineSymbol(math, main, textord, "\u0237", "\u0237");
defineSymbol(text, main, textord, "\u0131", "\\i", true);
defineSymbol(text, main, textord, "\u0237", "\\j", true);
defineSymbol(text, main, textord, "\xDF", "\\ss", true);
defineSymbol(text, main, textord, "\xE6", "\\ae", true);
defineSymbol(text, main, textord, "\u0153", "\\oe", true);
defineSymbol(text, main, textord, "\xF8", "\\o", true);
defineSymbol(text, main, textord, "\xC6", "\\AE", true);
defineSymbol(text, main, textord, "\u0152", "\\OE", true);
defineSymbol(text, main, textord, "\xD8", "\\O", true);
defineSymbol(text, main, accent, "\u02CA", "\\'");
defineSymbol(text, main, accent, "\u02CB", "\\`");
defineSymbol(text, main, accent, "\u02C6", "\\^");
defineSymbol(text, main, accent, "\u02DC", "\\~");
defineSymbol(text, main, accent, "\u02C9", "\\=");
defineSymbol(text, main, accent, "\u02D8", "\\u");
defineSymbol(text, main, accent, "\u02D9", "\\.");
defineSymbol(text, main, accent, "\xB8", "\\c");
defineSymbol(text, main, accent, "\u02DA", "\\r");
defineSymbol(text, main, accent, "\u02C7", "\\v");
defineSymbol(text, main, accent, "\xA8", '\\"');
defineSymbol(text, main, accent, "\u02DD", "\\H");
defineSymbol(text, main, accent, "\u25EF", "\\textcircled");
var ligatures = {
  "--": true,
  "---": true,
  "``": true,
  "''": true
};
defineSymbol(text, main, textord, "\u2013", "--", true);
defineSymbol(text, main, textord, "\u2013", "\\textendash");
defineSymbol(text, main, textord, "\u2014", "---", true);
defineSymbol(text, main, textord, "\u2014", "\\textemdash");
defineSymbol(text, main, textord, "\u2018", "`", true);
defineSymbol(text, main, textord, "\u2018", "\\textquoteleft");
defineSymbol(text, main, textord, "\u2019", "'", true);
defineSymbol(text, main, textord, "\u2019", "\\textquoteright");
defineSymbol(text, main, textord, "\u201C", "``", true);
defineSymbol(text, main, textord, "\u201C", "\\textquotedblleft");
defineSymbol(text, main, textord, "\u201D", "''", true);
defineSymbol(text, main, textord, "\u201D", "\\textquotedblright");
defineSymbol(math, main, textord, "\xB0", "\\degree", true);
defineSymbol(text, main, textord, "\xB0", "\\degree");
defineSymbol(text, main, textord, "\xB0", "\\textdegree", true);
defineSymbol(math, main, textord, "\xA3", "\\pounds");
defineSymbol(math, main, textord, "\xA3", "\\mathsterling", true);
defineSymbol(text, main, textord, "\xA3", "\\pounds");
defineSymbol(text, main, textord, "\xA3", "\\textsterling", true);
defineSymbol(math, ams, textord, "\u2720", "\\maltese");
defineSymbol(text, ams, textord, "\u2720", "\\maltese");
var mathTextSymbols = '0123456789/@."';
for (i = 0; i < mathTextSymbols.length; i++) {
  ch = mathTextSymbols.charAt(i);
  defineSymbol(math, main, textord, ch, ch);
}
var ch;
var i;
var textSymbols = '0123456789!@*()-=+";:?/.,';
for (_i = 0; _i < textSymbols.length; _i++) {
  _ch = textSymbols.charAt(_i);
  defineSymbol(text, main, textord, _ch, _ch);
}
var _ch;
var _i;
var letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
for (_i2 = 0; _i2 < letters.length; _i2++) {
  _ch2 = letters.charAt(_i2);
  defineSymbol(math, main, mathord, _ch2, _ch2);
  defineSymbol(text, main, textord, _ch2, _ch2);
}
var _ch2;
var _i2;
defineSymbol(math, ams, textord, "C", "\u2102");
defineSymbol(text, ams, textord, "C", "\u2102");
defineSymbol(math, ams, textord, "H", "\u210D");
defineSymbol(text, ams, textord, "H", "\u210D");
defineSymbol(math, ams, textord, "N", "\u2115");
defineSymbol(text, ams, textord, "N", "\u2115");
defineSymbol(math, ams, textord, "P", "\u2119");
defineSymbol(text, ams, textord, "P", "\u2119");
defineSymbol(math, ams, textord, "Q", "\u211A");
defineSymbol(text, ams, textord, "Q", "\u211A");
defineSymbol(math, ams, textord, "R", "\u211D");
defineSymbol(text, ams, textord, "R", "\u211D");
defineSymbol(math, ams, textord, "Z", "\u2124");
defineSymbol(text, ams, textord, "Z", "\u2124");
defineSymbol(math, main, mathord, "h", "\u210E");
defineSymbol(text, main, mathord, "h", "\u210E");
var wideChar = "";
for (_i3 = 0; _i3 < letters.length; _i3++) {
  _ch3 = letters.charAt(_i3);
  wideChar = String.fromCharCode(55349, 56320 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56372 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56424 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56580 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56736 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56788 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56840 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  wideChar = String.fromCharCode(55349, 56944 + _i3);
  defineSymbol(math, main, mathord, _ch3, wideChar);
  defineSymbol(text, main, textord, _ch3, wideChar);
  if (_i3 < 26) {
    wideChar = String.fromCharCode(55349, 56632 + _i3);
    defineSymbol(math, main, mathord, _ch3, wideChar);
    defineSymbol(text, main, textord, _ch3, wideChar);
    wideChar = String.fromCharCode(55349, 56476 + _i3);
    defineSymbol(math, main, mathord, _ch3, wideChar);
    defineSymbol(text, main, textord, _ch3, wideChar);
  }
}
var _ch3;
var _i3;
wideChar = String.fromCharCode(55349, 56668);
defineSymbol(math, main, mathord, "k", wideChar);
defineSymbol(text, main, textord, "k", wideChar);
for (_i4 = 0; _i4 < 10; _i4++) {
  _ch4 = _i4.toString();
  wideChar = String.fromCharCode(55349, 57294 + _i4);
  defineSymbol(math, main, mathord, _ch4, wideChar);
  defineSymbol(text, main, textord, _ch4, wideChar);
  wideChar = String.fromCharCode(55349, 57314 + _i4);
  defineSymbol(math, main, mathord, _ch4, wideChar);
  defineSymbol(text, main, textord, _ch4, wideChar);
  wideChar = String.fromCharCode(55349, 57324 + _i4);
  defineSymbol(math, main, mathord, _ch4, wideChar);
  defineSymbol(text, main, textord, _ch4, wideChar);
  wideChar = String.fromCharCode(55349, 57334 + _i4);
  defineSymbol(math, main, mathord, _ch4, wideChar);
  defineSymbol(text, main, textord, _ch4, wideChar);
}
var _ch4;
var _i4;
var extraLatin = "\xD0\xDE\xFE";
for (_i5 = 0; _i5 < extraLatin.length; _i5++) {
  _ch5 = extraLatin.charAt(_i5);
  defineSymbol(math, main, mathord, _ch5, _ch5);
  defineSymbol(text, main, textord, _ch5, _ch5);
}
var _ch5;
var _i5;
var wideLatinLetterData = [
  ["mathbf", "textbf", "Main-Bold"],
  ["mathbf", "textbf", "Main-Bold"],
  ["mathnormal", "textit", "Math-Italic"],
  ["mathnormal", "textit", "Math-Italic"],
  ["boldsymbol", "boldsymbol", "Main-BoldItalic"],
  ["boldsymbol", "boldsymbol", "Main-BoldItalic"],
  ["mathscr", "textscr", "Script-Regular"],
  ["", "", ""],
  ["", "", ""],
  ["", "", ""],
  ["mathfrak", "textfrak", "Fraktur-Regular"],
  ["mathfrak", "textfrak", "Fraktur-Regular"],
  ["mathbb", "textbb", "AMS-Regular"],
  ["mathbb", "textbb", "AMS-Regular"],
  ["", "", ""],
  ["", "", ""],
  ["mathsf", "textsf", "SansSerif-Regular"],
  ["mathsf", "textsf", "SansSerif-Regular"],
  ["mathboldsf", "textboldsf", "SansSerif-Bold"],
  ["mathboldsf", "textboldsf", "SansSerif-Bold"],
  ["mathitsf", "textitsf", "SansSerif-Italic"],
  ["mathitsf", "textitsf", "SansSerif-Italic"],
  ["", "", ""],
  ["", "", ""],
  ["mathtt", "texttt", "Typewriter-Regular"],
  ["mathtt", "texttt", "Typewriter-Regular"]
];
var wideNumeralData = [
  ["mathbf", "textbf", "Main-Bold"],
  ["", "", ""],
  ["mathsf", "textsf", "SansSerif-Regular"],
  ["mathboldsf", "textboldsf", "SansSerif-Bold"],
  ["mathtt", "texttt", "Typewriter-Regular"]
];
var wideCharacterFont = function wideCharacterFont2(wideChar2, mode) {
  var H = wideChar2.charCodeAt(0);
  var L = wideChar2.charCodeAt(1);
  var codePoint = (H - 55296) * 1024 + (L - 56320) + 65536;
  var j = mode === "math" ? 0 : 1;
  if (119808 <= codePoint && codePoint < 120484) {
    var i = Math.floor((codePoint - 119808) / 26);
    return [wideLatinLetterData[i][2], wideLatinLetterData[i][j]];
  } else if (120782 <= codePoint && codePoint <= 120831) {
    var _i = Math.floor((codePoint - 120782) / 10);
    return [wideNumeralData[_i][2], wideNumeralData[_i][j]];
  } else if (codePoint === 120485 || codePoint === 120486) {
    return [wideLatinLetterData[0][2], wideLatinLetterData[0][j]];
  } else if (120486 < codePoint && codePoint < 120782) {
    return ["", ""];
  } else {
    throw new ParseError("Unsupported character: " + wideChar2);
  }
};
var lookupSymbol = function lookupSymbol2(value, fontName, mode) {
  if (symbols[mode][value] && symbols[mode][value].replace) {
    value = symbols[mode][value].replace;
  }
  return {
    value,
    metrics: getCharacterMetrics(value, fontName, mode)
  };
};
var makeSymbol = function makeSymbol2(value, fontName, mode, options, classes) {
  var lookup = lookupSymbol(value, fontName, mode);
  var metrics = lookup.metrics;
  value = lookup.value;
  var symbolNode;
  if (metrics) {
    var italic = metrics.italic;
    if (mode === "text" || options && options.font === "mathit") {
      italic = 0;
    }
    symbolNode = new SymbolNode(value, metrics.height, metrics.depth, italic, metrics.skew, metrics.width, classes);
  } else {
    typeof console !== "undefined" && console.warn("No character metrics " + ("for '" + value + "' in style '" + fontName + "' and mode '" + mode + "'"));
    symbolNode = new SymbolNode(value, 0, 0, 0, 0, 0, classes);
  }
  if (options) {
    symbolNode.maxFontSize = options.sizeMultiplier;
    if (options.style.isTight()) {
      symbolNode.classes.push("mtight");
    }
    var color = options.getColor();
    if (color) {
      symbolNode.style.color = color;
    }
  }
  return symbolNode;
};
var mathsym = function mathsym2(value, mode, options, classes) {
  if (classes === void 0) {
    classes = [];
  }
  if (options.font === "boldsymbol" && lookupSymbol(value, "Main-Bold", mode).metrics) {
    return makeSymbol(value, "Main-Bold", mode, options, classes.concat(["mathbf"]));
  } else if (value === "\\" || symbols[mode][value].font === "main") {
    return makeSymbol(value, "Main-Regular", mode, options, classes);
  } else {
    return makeSymbol(value, "AMS-Regular", mode, options, classes.concat(["amsrm"]));
  }
};
var boldsymbol = function boldsymbol2(value, mode, options, classes, type) {
  if (type !== "textord" && lookupSymbol(value, "Math-BoldItalic", mode).metrics) {
    return {
      fontName: "Math-BoldItalic",
      fontClass: "boldsymbol"
    };
  } else {
    return {
      fontName: "Main-Bold",
      fontClass: "mathbf"
    };
  }
};
var makeOrd = function makeOrd2(group, options, type) {
  var mode = group.mode;
  var text2 = group.text;
  var classes = ["mord"];
  var isFont = mode === "math" || mode === "text" && options.font;
  var fontOrFamily = isFont ? options.font : options.fontFamily;
  if (text2.charCodeAt(0) === 55349) {
    var [wideFontName, wideFontClass] = wideCharacterFont(text2, mode);
    return makeSymbol(text2, wideFontName, mode, options, classes.concat(wideFontClass));
  } else if (fontOrFamily) {
    var fontName;
    var fontClasses;
    if (fontOrFamily === "boldsymbol") {
      var fontData = boldsymbol(text2, mode, options, classes, type);
      fontName = fontData.fontName;
      fontClasses = [fontData.fontClass];
    } else if (isFont) {
      fontName = fontMap[fontOrFamily].fontName;
      fontClasses = [fontOrFamily];
    } else {
      fontName = retrieveTextFontName(fontOrFamily, options.fontWeight, options.fontShape);
      fontClasses = [fontOrFamily, options.fontWeight, options.fontShape];
    }
    if (lookupSymbol(text2, fontName, mode).metrics) {
      return makeSymbol(text2, fontName, mode, options, classes.concat(fontClasses));
    } else if (ligatures.hasOwnProperty(text2) && fontName.substr(0, 10) === "Typewriter") {
      var parts = [];
      for (var i = 0; i < text2.length; i++) {
        parts.push(makeSymbol(text2[i], fontName, mode, options, classes.concat(fontClasses)));
      }
      return makeFragment(parts);
    }
  }
  if (type === "mathord") {
    return makeSymbol(text2, "Math-Italic", mode, options, classes.concat(["mathnormal"]));
  } else if (type === "textord") {
    var font = symbols[mode][text2] && symbols[mode][text2].font;
    if (font === "ams") {
      var _fontName = retrieveTextFontName("amsrm", options.fontWeight, options.fontShape);
      return makeSymbol(text2, _fontName, mode, options, classes.concat("amsrm", options.fontWeight, options.fontShape));
    } else if (font === "main" || !font) {
      var _fontName2 = retrieveTextFontName("textrm", options.fontWeight, options.fontShape);
      return makeSymbol(text2, _fontName2, mode, options, classes.concat(options.fontWeight, options.fontShape));
    } else {
      var _fontName3 = retrieveTextFontName(font, options.fontWeight, options.fontShape);
      return makeSymbol(text2, _fontName3, mode, options, classes.concat(_fontName3, options.fontWeight, options.fontShape));
    }
  } else {
    throw new Error("unexpected type: " + type + " in makeOrd");
  }
};
var canCombine = (prev, next) => {
  if (createClass(prev.classes) !== createClass(next.classes) || prev.skew !== next.skew || prev.maxFontSize !== next.maxFontSize) {
    return false;
  }
  if (prev.classes.length === 1) {
    var cls = prev.classes[0];
    if (cls === "mbin" || cls === "mord") {
      return false;
    }
  }
  for (var style in prev.style) {
    if (prev.style.hasOwnProperty(style) && prev.style[style] !== next.style[style]) {
      return false;
    }
  }
  for (var _style in next.style) {
    if (next.style.hasOwnProperty(_style) && prev.style[_style] !== next.style[_style]) {
      return false;
    }
  }
  return true;
};
var tryCombineChars = (chars) => {
  for (var i = 0; i < chars.length - 1; i++) {
    var prev = chars[i];
    var next = chars[i + 1];
    if (prev instanceof SymbolNode && next instanceof SymbolNode && canCombine(prev, next)) {
      prev.text += next.text;
      prev.height = Math.max(prev.height, next.height);
      prev.depth = Math.max(prev.depth, next.depth);
      prev.italic = next.italic;
      chars.splice(i + 1, 1);
      i--;
    }
  }
  return chars;
};
var sizeElementFromChildren = function sizeElementFromChildren2(elem) {
  var height = 0;
  var depth = 0;
  var maxFontSize = 0;
  for (var i = 0; i < elem.children.length; i++) {
    var child = elem.children[i];
    if (child.height > height) {
      height = child.height;
    }
    if (child.depth > depth) {
      depth = child.depth;
    }
    if (child.maxFontSize > maxFontSize) {
      maxFontSize = child.maxFontSize;
    }
  }
  elem.height = height;
  elem.depth = depth;
  elem.maxFontSize = maxFontSize;
};
var makeSpan$2 = function makeSpan(classes, children, options, style) {
  var span = new Span(classes, children, options, style);
  sizeElementFromChildren(span);
  return span;
};
var makeSvgSpan = (classes, children, options, style) => new Span(classes, children, options, style);
var makeLineSpan = function makeLineSpan2(className, options, thickness) {
  var line = makeSpan$2([className], [], options);
  line.height = Math.max(thickness || options.fontMetrics().defaultRuleThickness, options.minRuleThickness);
  line.style.borderBottomWidth = makeEm(line.height);
  line.maxFontSize = 1;
  return line;
};
var makeAnchor = function makeAnchor2(href, classes, children, options) {
  var anchor = new Anchor(href, classes, children, options);
  sizeElementFromChildren(anchor);
  return anchor;
};
var makeFragment = function makeFragment2(children) {
  var fragment = new DocumentFragment(children);
  sizeElementFromChildren(fragment);
  return fragment;
};
var wrapFragment = function wrapFragment2(group, options) {
  if (group instanceof DocumentFragment) {
    return makeSpan$2([], [group], options);
  }
  return group;
};
var getVListChildrenAndDepth = function getVListChildrenAndDepth2(params) {
  if (params.positionType === "individualShift") {
    var oldChildren = params.children;
    var children = [oldChildren[0]];
    var _depth = -oldChildren[0].shift - oldChildren[0].elem.depth;
    var currPos = _depth;
    for (var i = 1; i < oldChildren.length; i++) {
      var diff = -oldChildren[i].shift - currPos - oldChildren[i].elem.depth;
      var size = diff - (oldChildren[i - 1].elem.height + oldChildren[i - 1].elem.depth);
      currPos = currPos + diff;
      children.push({
        type: "kern",
        size
      });
      children.push(oldChildren[i]);
    }
    return {
      children,
      depth: _depth
    };
  }
  var depth;
  if (params.positionType === "top") {
    var bottom = params.positionData;
    for (var _i = 0; _i < params.children.length; _i++) {
      var child = params.children[_i];
      bottom -= child.type === "kern" ? child.size : child.elem.height + child.elem.depth;
    }
    depth = bottom;
  } else if (params.positionType === "bottom") {
    depth = -params.positionData;
  } else {
    var firstChild = params.children[0];
    if (firstChild.type !== "elem") {
      throw new Error('First child must have type "elem".');
    }
    if (params.positionType === "shift") {
      depth = -firstChild.elem.depth - params.positionData;
    } else if (params.positionType === "firstBaseline") {
      depth = -firstChild.elem.depth;
    } else {
      throw new Error("Invalid positionType " + params.positionType + ".");
    }
  }
  return {
    children: params.children,
    depth
  };
};
var makeVList = function makeVList2(params, options) {
  var {
    children,
    depth
  } = getVListChildrenAndDepth(params);
  var pstrutSize = 0;
  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    if (child.type === "elem") {
      var elem = child.elem;
      pstrutSize = Math.max(pstrutSize, elem.maxFontSize, elem.height);
    }
  }
  pstrutSize += 2;
  var pstrut = makeSpan$2(["pstrut"], []);
  pstrut.style.height = makeEm(pstrutSize);
  var realChildren = [];
  var minPos = depth;
  var maxPos = depth;
  var currPos = depth;
  for (var _i2 = 0; _i2 < children.length; _i2++) {
    var _child = children[_i2];
    if (_child.type === "kern") {
      currPos += _child.size;
    } else {
      var _elem = _child.elem;
      var classes = _child.wrapperClasses || [];
      var style = _child.wrapperStyle || {};
      var childWrap = makeSpan$2(classes, [pstrut, _elem], void 0, style);
      childWrap.style.top = makeEm(-pstrutSize - currPos - _elem.depth);
      if (_child.marginLeft) {
        childWrap.style.marginLeft = _child.marginLeft;
      }
      if (_child.marginRight) {
        childWrap.style.marginRight = _child.marginRight;
      }
      realChildren.push(childWrap);
      currPos += _elem.height + _elem.depth;
    }
    minPos = Math.min(minPos, currPos);
    maxPos = Math.max(maxPos, currPos);
  }
  var vlist = makeSpan$2(["vlist"], realChildren);
  vlist.style.height = makeEm(maxPos);
  var rows;
  if (minPos < 0) {
    var emptySpan = makeSpan$2([], []);
    var depthStrut = makeSpan$2(["vlist"], [emptySpan]);
    depthStrut.style.height = makeEm(-minPos);
    var topStrut = makeSpan$2(["vlist-s"], [new SymbolNode("\u200B")]);
    rows = [makeSpan$2(["vlist-r"], [vlist, topStrut]), makeSpan$2(["vlist-r"], [depthStrut])];
  } else {
    rows = [makeSpan$2(["vlist-r"], [vlist])];
  }
  var vtable = makeSpan$2(["vlist-t"], rows);
  if (rows.length === 2) {
    vtable.classes.push("vlist-t2");
  }
  vtable.height = maxPos;
  vtable.depth = -minPos;
  return vtable;
};
var makeGlue = (measurement, options) => {
  var rule = makeSpan$2(["mspace"], [], options);
  var size = calculateSize(measurement, options);
  rule.style.marginRight = makeEm(size);
  return rule;
};
var retrieveTextFontName = function retrieveTextFontName2(fontFamily, fontWeight, fontShape) {
  var baseFontName = "";
  switch (fontFamily) {
    case "amsrm":
      baseFontName = "AMS";
      break;
    case "textrm":
      baseFontName = "Main";
      break;
    case "textsf":
      baseFontName = "SansSerif";
      break;
    case "texttt":
      baseFontName = "Typewriter";
      break;
    default:
      baseFontName = fontFamily;
  }
  var fontStylesName;
  if (fontWeight === "textbf" && fontShape === "textit") {
    fontStylesName = "BoldItalic";
  } else if (fontWeight === "textbf") {
    fontStylesName = "Bold";
  } else if (fontWeight === "textit") {
    fontStylesName = "Italic";
  } else {
    fontStylesName = "Regular";
  }
  return baseFontName + "-" + fontStylesName;
};
var fontMap = {
  "mathbf": {
    variant: "bold",
    fontName: "Main-Bold"
  },
  "mathrm": {
    variant: "normal",
    fontName: "Main-Regular"
  },
  "textit": {
    variant: "italic",
    fontName: "Main-Italic"
  },
  "mathit": {
    variant: "italic",
    fontName: "Main-Italic"
  },
  "mathnormal": {
    variant: "italic",
    fontName: "Math-Italic"
  },
  "mathbb": {
    variant: "double-struck",
    fontName: "AMS-Regular"
  },
  "mathcal": {
    variant: "script",
    fontName: "Caligraphic-Regular"
  },
  "mathfrak": {
    variant: "fraktur",
    fontName: "Fraktur-Regular"
  },
  "mathscr": {
    variant: "script",
    fontName: "Script-Regular"
  },
  "mathsf": {
    variant: "sans-serif",
    fontName: "SansSerif-Regular"
  },
  "mathtt": {
    variant: "monospace",
    fontName: "Typewriter-Regular"
  }
};
var svgData = {
  vec: ["vec", 0.471, 0.714],
  oiintSize1: ["oiintSize1", 0.957, 0.499],
  oiintSize2: ["oiintSize2", 1.472, 0.659],
  oiiintSize1: ["oiiintSize1", 1.304, 0.499],
  oiiintSize2: ["oiiintSize2", 1.98, 0.659]
};
var staticSvg = function staticSvg2(value, options) {
  var [pathName, width, height] = svgData[value];
  var path2 = new PathNode(pathName);
  var svgNode = new SvgNode([path2], {
    "width": makeEm(width),
    "height": makeEm(height),
    "style": "width:" + makeEm(width),
    "viewBox": "0 0 " + 1e3 * width + " " + 1e3 * height,
    "preserveAspectRatio": "xMinYMin"
  });
  var span = makeSvgSpan(["overlay"], [svgNode], options);
  span.height = height;
  span.style.height = makeEm(height);
  span.style.width = makeEm(width);
  return span;
};
var buildCommon = {
  fontMap,
  makeSymbol,
  mathsym,
  makeSpan: makeSpan$2,
  makeSvgSpan,
  makeLineSpan,
  makeAnchor,
  makeFragment,
  wrapFragment,
  makeVList,
  makeOrd,
  makeGlue,
  staticSvg,
  svgData,
  tryCombineChars
};
var thinspace = {
  number: 3,
  unit: "mu"
};
var mediumspace = {
  number: 4,
  unit: "mu"
};
var thickspace = {
  number: 5,
  unit: "mu"
};
var spacings = {
  mord: {
    mop: thinspace,
    mbin: mediumspace,
    mrel: thickspace,
    minner: thinspace
  },
  mop: {
    mord: thinspace,
    mop: thinspace,
    mrel: thickspace,
    minner: thinspace
  },
  mbin: {
    mord: mediumspace,
    mop: mediumspace,
    mopen: mediumspace,
    minner: mediumspace
  },
  mrel: {
    mord: thickspace,
    mop: thickspace,
    mopen: thickspace,
    minner: thickspace
  },
  mopen: {},
  mclose: {
    mop: thinspace,
    mbin: mediumspace,
    mrel: thickspace,
    minner: thinspace
  },
  mpunct: {
    mord: thinspace,
    mop: thinspace,
    mrel: thickspace,
    mopen: thinspace,
    mclose: thinspace,
    mpunct: thinspace,
    minner: thinspace
  },
  minner: {
    mord: thinspace,
    mop: thinspace,
    mbin: mediumspace,
    mrel: thickspace,
    mopen: thinspace,
    mpunct: thinspace,
    minner: thinspace
  }
};
var tightSpacings = {
  mord: {
    mop: thinspace
  },
  mop: {
    mord: thinspace,
    mop: thinspace
  },
  mbin: {},
  mrel: {},
  mopen: {},
  mclose: {
    mop: thinspace
  },
  mpunct: {},
  minner: {
    mop: thinspace
  }
};
var _functions = {};
var _htmlGroupBuilders = {};
var _mathmlGroupBuilders = {};
function defineFunction(_ref) {
  var {
    type,
    names,
    props,
    handler,
    htmlBuilder: htmlBuilder3,
    mathmlBuilder: mathmlBuilder3
  } = _ref;
  var data = {
    type,
    numArgs: props.numArgs,
    argTypes: props.argTypes,
    allowedInArgument: !!props.allowedInArgument,
    allowedInText: !!props.allowedInText,
    allowedInMath: props.allowedInMath === void 0 ? true : props.allowedInMath,
    numOptionalArgs: props.numOptionalArgs || 0,
    infix: !!props.infix,
    primitive: !!props.primitive,
    handler
  };
  for (var i = 0; i < names.length; ++i) {
    _functions[names[i]] = data;
  }
  if (type) {
    if (htmlBuilder3) {
      _htmlGroupBuilders[type] = htmlBuilder3;
    }
    if (mathmlBuilder3) {
      _mathmlGroupBuilders[type] = mathmlBuilder3;
    }
  }
}
function defineFunctionBuilders(_ref2) {
  var {
    type,
    htmlBuilder: htmlBuilder3,
    mathmlBuilder: mathmlBuilder3
  } = _ref2;
  defineFunction({
    type,
    names: [],
    props: {
      numArgs: 0
    },
    handler() {
      throw new Error("Should never be called.");
    },
    htmlBuilder: htmlBuilder3,
    mathmlBuilder: mathmlBuilder3
  });
}
var normalizeArgument = function normalizeArgument2(arg) {
  return arg.type === "ordgroup" && arg.body.length === 1 ? arg.body[0] : arg;
};
var ordargument = function ordargument2(arg) {
  return arg.type === "ordgroup" ? arg.body : [arg];
};
var makeSpan$1 = buildCommon.makeSpan;
var binLeftCanceller = ["leftmost", "mbin", "mopen", "mrel", "mop", "mpunct"];
var binRightCanceller = ["rightmost", "mrel", "mclose", "mpunct"];
var styleMap$1 = {
  "display": Style$1.DISPLAY,
  "text": Style$1.TEXT,
  "script": Style$1.SCRIPT,
  "scriptscript": Style$1.SCRIPTSCRIPT
};
var DomEnum = {
  mord: "mord",
  mop: "mop",
  mbin: "mbin",
  mrel: "mrel",
  mopen: "mopen",
  mclose: "mclose",
  mpunct: "mpunct",
  minner: "minner"
};
var buildExpression$1 = function buildExpression(expression, options, isRealGroup, surrounding) {
  if (surrounding === void 0) {
    surrounding = [null, null];
  }
  var groups = [];
  for (var i = 0; i < expression.length; i++) {
    var output = buildGroup$1(expression[i], options);
    if (output instanceof DocumentFragment) {
      var children = output.children;
      groups.push(...children);
    } else {
      groups.push(output);
    }
  }
  buildCommon.tryCombineChars(groups);
  if (!isRealGroup) {
    return groups;
  }
  var glueOptions = options;
  if (expression.length === 1) {
    var node = expression[0];
    if (node.type === "sizing") {
      glueOptions = options.havingSize(node.size);
    } else if (node.type === "styling") {
      glueOptions = options.havingStyle(styleMap$1[node.style]);
    }
  }
  var dummyPrev = makeSpan$1([surrounding[0] || "leftmost"], [], options);
  var dummyNext = makeSpan$1([surrounding[1] || "rightmost"], [], options);
  var isRoot = isRealGroup === "root";
  traverseNonSpaceNodes(groups, (node2, prev) => {
    var prevType = prev.classes[0];
    var type = node2.classes[0];
    if (prevType === "mbin" && utils.contains(binRightCanceller, type)) {
      prev.classes[0] = "mord";
    } else if (type === "mbin" && utils.contains(binLeftCanceller, prevType)) {
      node2.classes[0] = "mord";
    }
  }, {
    node: dummyPrev
  }, dummyNext, isRoot);
  traverseNonSpaceNodes(groups, (node2, prev) => {
    var prevType = getTypeOfDomTree(prev);
    var type = getTypeOfDomTree(node2);
    var space = prevType && type ? node2.hasClass("mtight") ? tightSpacings[prevType][type] : spacings[prevType][type] : null;
    if (space) {
      return buildCommon.makeGlue(space, glueOptions);
    }
  }, {
    node: dummyPrev
  }, dummyNext, isRoot);
  return groups;
};
var traverseNonSpaceNodes = function traverseNonSpaceNodes2(nodes, callback, prev, next, isRoot) {
  if (next) {
    nodes.push(next);
  }
  var i = 0;
  for (; i < nodes.length; i++) {
    var node = nodes[i];
    var partialGroup = checkPartialGroup(node);
    if (partialGroup) {
      traverseNonSpaceNodes2(partialGroup.children, callback, prev, null, isRoot);
      continue;
    }
    var nonspace = !node.hasClass("mspace");
    if (nonspace) {
      var result = callback(node, prev.node);
      if (result) {
        if (prev.insertAfter) {
          prev.insertAfter(result);
        } else {
          nodes.unshift(result);
          i++;
        }
      }
    }
    if (nonspace) {
      prev.node = node;
    } else if (isRoot && node.hasClass("newline")) {
      prev.node = makeSpan$1(["leftmost"]);
    }
    prev.insertAfter = ((index) => (n) => {
      nodes.splice(index + 1, 0, n);
      i++;
    })(i);
  }
  if (next) {
    nodes.pop();
  }
};
var checkPartialGroup = function checkPartialGroup2(node) {
  if (node instanceof DocumentFragment || node instanceof Anchor || node instanceof Span && node.hasClass("enclosing")) {
    return node;
  }
  return null;
};
var getOutermostNode = function getOutermostNode2(node, side) {
  var partialGroup = checkPartialGroup(node);
  if (partialGroup) {
    var children = partialGroup.children;
    if (children.length) {
      if (side === "right") {
        return getOutermostNode2(children[children.length - 1], "right");
      } else if (side === "left") {
        return getOutermostNode2(children[0], "left");
      }
    }
  }
  return node;
};
var getTypeOfDomTree = function getTypeOfDomTree2(node, side) {
  if (!node) {
    return null;
  }
  if (side) {
    node = getOutermostNode(node, side);
  }
  return DomEnum[node.classes[0]] || null;
};
var makeNullDelimiter = function makeNullDelimiter2(options, classes) {
  var moreClasses = ["nulldelimiter"].concat(options.baseSizingClasses());
  return makeSpan$1(classes.concat(moreClasses));
};
var buildGroup$1 = function buildGroup(group, options, baseOptions) {
  if (!group) {
    return makeSpan$1();
  }
  if (_htmlGroupBuilders[group.type]) {
    var groupNode = _htmlGroupBuilders[group.type](group, options);
    if (baseOptions && options.size !== baseOptions.size) {
      groupNode = makeSpan$1(options.sizingClasses(baseOptions), [groupNode], options);
      var multiplier = options.sizeMultiplier / baseOptions.sizeMultiplier;
      groupNode.height *= multiplier;
      groupNode.depth *= multiplier;
    }
    return groupNode;
  } else {
    throw new ParseError("Got group of unknown type: '" + group.type + "'");
  }
};
function buildHTMLUnbreakable(children, options) {
  var body = makeSpan$1(["base"], children, options);
  var strut = makeSpan$1(["strut"]);
  strut.style.height = makeEm(body.height + body.depth);
  if (body.depth) {
    strut.style.verticalAlign = makeEm(-body.depth);
  }
  body.children.unshift(strut);
  return body;
}
function buildHTML(tree, options) {
  var tag = null;
  if (tree.length === 1 && tree[0].type === "tag") {
    tag = tree[0].tag;
    tree = tree[0].body;
  }
  var expression = buildExpression$1(tree, options, "root");
  var eqnNum;
  if (expression.length === 2 && expression[1].hasClass("tag")) {
    eqnNum = expression.pop();
  }
  var children = [];
  var parts = [];
  for (var i = 0; i < expression.length; i++) {
    parts.push(expression[i]);
    if (expression[i].hasClass("mbin") || expression[i].hasClass("mrel") || expression[i].hasClass("allowbreak")) {
      var nobreak = false;
      while (i < expression.length - 1 && expression[i + 1].hasClass("mspace") && !expression[i + 1].hasClass("newline")) {
        i++;
        parts.push(expression[i]);
        if (expression[i].hasClass("nobreak")) {
          nobreak = true;
        }
      }
      if (!nobreak) {
        children.push(buildHTMLUnbreakable(parts, options));
        parts = [];
      }
    } else if (expression[i].hasClass("newline")) {
      parts.pop();
      if (parts.length > 0) {
        children.push(buildHTMLUnbreakable(parts, options));
        parts = [];
      }
      children.push(expression[i]);
    }
  }
  if (parts.length > 0) {
    children.push(buildHTMLUnbreakable(parts, options));
  }
  var tagChild;
  if (tag) {
    tagChild = buildHTMLUnbreakable(buildExpression$1(tag, options, true));
    tagChild.classes = ["tag"];
    children.push(tagChild);
  } else if (eqnNum) {
    children.push(eqnNum);
  }
  var htmlNode = makeSpan$1(["katex-html"], children);
  htmlNode.setAttribute("aria-hidden", "true");
  if (tagChild) {
    var strut = tagChild.children[0];
    strut.style.height = makeEm(htmlNode.height + htmlNode.depth);
    if (htmlNode.depth) {
      strut.style.verticalAlign = makeEm(-htmlNode.depth);
    }
  }
  return htmlNode;
}
function newDocumentFragment(children) {
  return new DocumentFragment(children);
}
var MathNode = class {
  constructor(type, children, classes) {
    this.type = void 0;
    this.attributes = void 0;
    this.children = void 0;
    this.classes = void 0;
    this.type = type;
    this.attributes = {};
    this.children = children || [];
    this.classes = classes || [];
  }
  setAttribute(name, value) {
    this.attributes[name] = value;
  }
  getAttribute(name) {
    return this.attributes[name];
  }
  toNode() {
    var node = document.createElementNS("http://www.w3.org/1998/Math/MathML", this.type);
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        node.setAttribute(attr, this.attributes[attr]);
      }
    }
    if (this.classes.length > 0) {
      node.className = createClass(this.classes);
    }
    for (var i = 0; i < this.children.length; i++) {
      node.appendChild(this.children[i].toNode());
    }
    return node;
  }
  toMarkup() {
    var markup = "<" + this.type;
    for (var attr in this.attributes) {
      if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
        markup += " " + attr + '="';
        markup += utils.escape(this.attributes[attr]);
        markup += '"';
      }
    }
    if (this.classes.length > 0) {
      markup += ' class ="' + utils.escape(createClass(this.classes)) + '"';
    }
    markup += ">";
    for (var i = 0; i < this.children.length; i++) {
      markup += this.children[i].toMarkup();
    }
    markup += "</" + this.type + ">";
    return markup;
  }
  toText() {
    return this.children.map((child) => child.toText()).join("");
  }
};
var TextNode = class {
  constructor(text2) {
    this.text = void 0;
    this.text = text2;
  }
  toNode() {
    return document.createTextNode(this.text);
  }
  toMarkup() {
    return utils.escape(this.toText());
  }
  toText() {
    return this.text;
  }
};
var SpaceNode = class {
  constructor(width) {
    this.width = void 0;
    this.character = void 0;
    this.width = width;
    if (width >= 0.05555 && width <= 0.05556) {
      this.character = "\u200A";
    } else if (width >= 0.1666 && width <= 0.1667) {
      this.character = "\u2009";
    } else if (width >= 0.2222 && width <= 0.2223) {
      this.character = "\u2005";
    } else if (width >= 0.2777 && width <= 0.2778) {
      this.character = "\u2005\u200A";
    } else if (width >= -0.05556 && width <= -0.05555) {
      this.character = "\u200A\u2063";
    } else if (width >= -0.1667 && width <= -0.1666) {
      this.character = "\u2009\u2063";
    } else if (width >= -0.2223 && width <= -0.2222) {
      this.character = "\u205F\u2063";
    } else if (width >= -0.2778 && width <= -0.2777) {
      this.character = "\u2005\u2063";
    } else {
      this.character = null;
    }
  }
  toNode() {
    if (this.character) {
      return document.createTextNode(this.character);
    } else {
      var node = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mspace");
      node.setAttribute("width", makeEm(this.width));
      return node;
    }
  }
  toMarkup() {
    if (this.character) {
      return "<mtext>" + this.character + "</mtext>";
    } else {
      return '<mspace width="' + makeEm(this.width) + '"/>';
    }
  }
  toText() {
    if (this.character) {
      return this.character;
    } else {
      return " ";
    }
  }
};
var mathMLTree = {
  MathNode,
  TextNode,
  SpaceNode,
  newDocumentFragment
};
var makeText = function makeText2(text2, mode, options) {
  if (symbols[mode][text2] && symbols[mode][text2].replace && text2.charCodeAt(0) !== 55349 && !(ligatures.hasOwnProperty(text2) && options && (options.fontFamily && options.fontFamily.substr(4, 2) === "tt" || options.font && options.font.substr(4, 2) === "tt"))) {
    text2 = symbols[mode][text2].replace;
  }
  return new mathMLTree.TextNode(text2);
};
var makeRow = function makeRow2(body) {
  if (body.length === 1) {
    return body[0];
  } else {
    return new mathMLTree.MathNode("mrow", body);
  }
};
var getVariant = function getVariant2(group, options) {
  if (options.fontFamily === "texttt") {
    return "monospace";
  } else if (options.fontFamily === "textsf") {
    if (options.fontShape === "textit" && options.fontWeight === "textbf") {
      return "sans-serif-bold-italic";
    } else if (options.fontShape === "textit") {
      return "sans-serif-italic";
    } else if (options.fontWeight === "textbf") {
      return "bold-sans-serif";
    } else {
      return "sans-serif";
    }
  } else if (options.fontShape === "textit" && options.fontWeight === "textbf") {
    return "bold-italic";
  } else if (options.fontShape === "textit") {
    return "italic";
  } else if (options.fontWeight === "textbf") {
    return "bold";
  }
  var font = options.font;
  if (!font || font === "mathnormal") {
    return null;
  }
  var mode = group.mode;
  if (font === "mathit") {
    return "italic";
  } else if (font === "boldsymbol") {
    return group.type === "textord" ? "bold" : "bold-italic";
  } else if (font === "mathbf") {
    return "bold";
  } else if (font === "mathbb") {
    return "double-struck";
  } else if (font === "mathfrak") {
    return "fraktur";
  } else if (font === "mathscr" || font === "mathcal") {
    return "script";
  } else if (font === "mathsf") {
    return "sans-serif";
  } else if (font === "mathtt") {
    return "monospace";
  }
  var text2 = group.text;
  if (utils.contains(["\\imath", "\\jmath"], text2)) {
    return null;
  }
  if (symbols[mode][text2] && symbols[mode][text2].replace) {
    text2 = symbols[mode][text2].replace;
  }
  var fontName = buildCommon.fontMap[font].fontName;
  if (getCharacterMetrics(text2, fontName, mode)) {
    return buildCommon.fontMap[font].variant;
  }
  return null;
};
var buildExpression2 = function buildExpression3(expression, options, isOrdgroup) {
  if (expression.length === 1) {
    var group = buildGroup2(expression[0], options);
    if (isOrdgroup && group instanceof MathNode && group.type === "mo") {
      group.setAttribute("lspace", "0em");
      group.setAttribute("rspace", "0em");
    }
    return [group];
  }
  var groups = [];
  var lastGroup;
  for (var i = 0; i < expression.length; i++) {
    var _group = buildGroup2(expression[i], options);
    if (_group instanceof MathNode && lastGroup instanceof MathNode) {
      if (_group.type === "mtext" && lastGroup.type === "mtext" && _group.getAttribute("mathvariant") === lastGroup.getAttribute("mathvariant")) {
        lastGroup.children.push(..._group.children);
        continue;
      } else if (_group.type === "mn" && lastGroup.type === "mn") {
        lastGroup.children.push(..._group.children);
        continue;
      } else if (_group.type === "mi" && _group.children.length === 1 && lastGroup.type === "mn") {
        var child = _group.children[0];
        if (child instanceof TextNode && child.text === ".") {
          lastGroup.children.push(..._group.children);
          continue;
        }
      } else if (lastGroup.type === "mi" && lastGroup.children.length === 1) {
        var lastChild = lastGroup.children[0];
        if (lastChild instanceof TextNode && lastChild.text === "\u0338" && (_group.type === "mo" || _group.type === "mi" || _group.type === "mn")) {
          var _child = _group.children[0];
          if (_child instanceof TextNode && _child.text.length > 0) {
            _child.text = _child.text.slice(0, 1) + "\u0338" + _child.text.slice(1);
            groups.pop();
          }
        }
      }
    }
    groups.push(_group);
    lastGroup = _group;
  }
  return groups;
};
var buildExpressionRow = function buildExpressionRow2(expression, options, isOrdgroup) {
  return makeRow(buildExpression2(expression, options, isOrdgroup));
};
var buildGroup2 = function buildGroup3(group, options) {
  if (!group) {
    return new mathMLTree.MathNode("mrow");
  }
  if (_mathmlGroupBuilders[group.type]) {
    var result = _mathmlGroupBuilders[group.type](group, options);
    return result;
  } else {
    throw new ParseError("Got group of unknown type: '" + group.type + "'");
  }
};
function buildMathML(tree, texExpression, options, isDisplayMode, forMathmlOnly) {
  var expression = buildExpression2(tree, options);
  var wrapper;
  if (expression.length === 1 && expression[0] instanceof MathNode && utils.contains(["mrow", "mtable"], expression[0].type)) {
    wrapper = expression[0];
  } else {
    wrapper = new mathMLTree.MathNode("mrow", expression);
  }
  var annotation = new mathMLTree.MathNode("annotation", [new mathMLTree.TextNode(texExpression)]);
  annotation.setAttribute("encoding", "application/x-tex");
  var semantics = new mathMLTree.MathNode("semantics", [wrapper, annotation]);
  var math2 = new mathMLTree.MathNode("math", [semantics]);
  math2.setAttribute("xmlns", "http://www.w3.org/1998/Math/MathML");
  if (isDisplayMode) {
    math2.setAttribute("display", "block");
  }
  var wrapperClass = forMathmlOnly ? "katex" : "katex-mathml";
  return buildCommon.makeSpan([wrapperClass], [math2]);
}
var optionsFromSettings = function optionsFromSettings2(settings) {
  return new Options({
    style: settings.displayMode ? Style$1.DISPLAY : Style$1.TEXT,
    maxSize: settings.maxSize,
    minRuleThickness: settings.minRuleThickness
  });
};
var displayWrap = function displayWrap2(node, settings) {
  if (settings.displayMode) {
    var classes = ["katex-display"];
    if (settings.leqno) {
      classes.push("leqno");
    }
    if (settings.fleqn) {
      classes.push("fleqn");
    }
    node = buildCommon.makeSpan(classes, [node]);
  }
  return node;
};
var buildTree = function buildTree2(tree, expression, settings) {
  var options = optionsFromSettings(settings);
  var katexNode;
  if (settings.output === "mathml") {
    return buildMathML(tree, expression, options, settings.displayMode, true);
  } else if (settings.output === "html") {
    var htmlNode = buildHTML(tree, options);
    katexNode = buildCommon.makeSpan(["katex"], [htmlNode]);
  } else {
    var mathMLNode = buildMathML(tree, expression, options, settings.displayMode, false);
    var _htmlNode = buildHTML(tree, options);
    katexNode = buildCommon.makeSpan(["katex"], [mathMLNode, _htmlNode]);
  }
  return displayWrap(katexNode, settings);
};
var buildHTMLTree = function buildHTMLTree2(tree, expression, settings) {
  var options = optionsFromSettings(settings);
  var htmlNode = buildHTML(tree, options);
  var katexNode = buildCommon.makeSpan(["katex"], [htmlNode]);
  return displayWrap(katexNode, settings);
};
var stretchyCodePoint = {
  widehat: "^",
  widecheck: "\u02C7",
  widetilde: "~",
  utilde: "~",
  overleftarrow: "\u2190",
  underleftarrow: "\u2190",
  xleftarrow: "\u2190",
  overrightarrow: "\u2192",
  underrightarrow: "\u2192",
  xrightarrow: "\u2192",
  underbrace: "\u23DF",
  overbrace: "\u23DE",
  overgroup: "\u23E0",
  undergroup: "\u23E1",
  overleftrightarrow: "\u2194",
  underleftrightarrow: "\u2194",
  xleftrightarrow: "\u2194",
  Overrightarrow: "\u21D2",
  xRightarrow: "\u21D2",
  overleftharpoon: "\u21BC",
  xleftharpoonup: "\u21BC",
  overrightharpoon: "\u21C0",
  xrightharpoonup: "\u21C0",
  xLeftarrow: "\u21D0",
  xLeftrightarrow: "\u21D4",
  xhookleftarrow: "\u21A9",
  xhookrightarrow: "\u21AA",
  xmapsto: "\u21A6",
  xrightharpoondown: "\u21C1",
  xleftharpoondown: "\u21BD",
  xrightleftharpoons: "\u21CC",
  xleftrightharpoons: "\u21CB",
  xtwoheadleftarrow: "\u219E",
  xtwoheadrightarrow: "\u21A0",
  xlongequal: "=",
  xtofrom: "\u21C4",
  xrightleftarrows: "\u21C4",
  xrightequilibrium: "\u21CC",
  xleftequilibrium: "\u21CB",
  "\\cdrightarrow": "\u2192",
  "\\cdleftarrow": "\u2190",
  "\\cdlongequal": "="
};
var mathMLnode = function mathMLnode2(label) {
  var node = new mathMLTree.MathNode("mo", [new mathMLTree.TextNode(stretchyCodePoint[label.replace(/^\\/, "")])]);
  node.setAttribute("stretchy", "true");
  return node;
};
var katexImagesData = {
  overrightarrow: [["rightarrow"], 0.888, 522, "xMaxYMin"],
  overleftarrow: [["leftarrow"], 0.888, 522, "xMinYMin"],
  underrightarrow: [["rightarrow"], 0.888, 522, "xMaxYMin"],
  underleftarrow: [["leftarrow"], 0.888, 522, "xMinYMin"],
  xrightarrow: [["rightarrow"], 1.469, 522, "xMaxYMin"],
  "\\cdrightarrow": [["rightarrow"], 3, 522, "xMaxYMin"],
  xleftarrow: [["leftarrow"], 1.469, 522, "xMinYMin"],
  "\\cdleftarrow": [["leftarrow"], 3, 522, "xMinYMin"],
  Overrightarrow: [["doublerightarrow"], 0.888, 560, "xMaxYMin"],
  xRightarrow: [["doublerightarrow"], 1.526, 560, "xMaxYMin"],
  xLeftarrow: [["doubleleftarrow"], 1.526, 560, "xMinYMin"],
  overleftharpoon: [["leftharpoon"], 0.888, 522, "xMinYMin"],
  xleftharpoonup: [["leftharpoon"], 0.888, 522, "xMinYMin"],
  xleftharpoondown: [["leftharpoondown"], 0.888, 522, "xMinYMin"],
  overrightharpoon: [["rightharpoon"], 0.888, 522, "xMaxYMin"],
  xrightharpoonup: [["rightharpoon"], 0.888, 522, "xMaxYMin"],
  xrightharpoondown: [["rightharpoondown"], 0.888, 522, "xMaxYMin"],
  xlongequal: [["longequal"], 0.888, 334, "xMinYMin"],
  "\\cdlongequal": [["longequal"], 3, 334, "xMinYMin"],
  xtwoheadleftarrow: [["twoheadleftarrow"], 0.888, 334, "xMinYMin"],
  xtwoheadrightarrow: [["twoheadrightarrow"], 0.888, 334, "xMaxYMin"],
  overleftrightarrow: [["leftarrow", "rightarrow"], 0.888, 522],
  overbrace: [["leftbrace", "midbrace", "rightbrace"], 1.6, 548],
  underbrace: [["leftbraceunder", "midbraceunder", "rightbraceunder"], 1.6, 548],
  underleftrightarrow: [["leftarrow", "rightarrow"], 0.888, 522],
  xleftrightarrow: [["leftarrow", "rightarrow"], 1.75, 522],
  xLeftrightarrow: [["doubleleftarrow", "doublerightarrow"], 1.75, 560],
  xrightleftharpoons: [["leftharpoondownplus", "rightharpoonplus"], 1.75, 716],
  xleftrightharpoons: [["leftharpoonplus", "rightharpoondownplus"], 1.75, 716],
  xhookleftarrow: [["leftarrow", "righthook"], 1.08, 522],
  xhookrightarrow: [["lefthook", "rightarrow"], 1.08, 522],
  overlinesegment: [["leftlinesegment", "rightlinesegment"], 0.888, 522],
  underlinesegment: [["leftlinesegment", "rightlinesegment"], 0.888, 522],
  overgroup: [["leftgroup", "rightgroup"], 0.888, 342],
  undergroup: [["leftgroupunder", "rightgroupunder"], 0.888, 342],
  xmapsto: [["leftmapsto", "rightarrow"], 1.5, 522],
  xtofrom: [["leftToFrom", "rightToFrom"], 1.75, 528],
  xrightleftarrows: [["baraboveleftarrow", "rightarrowabovebar"], 1.75, 901],
  xrightequilibrium: [["baraboveshortleftharpoon", "rightharpoonaboveshortbar"], 1.75, 716],
  xleftequilibrium: [["shortbaraboveleftharpoon", "shortrightharpoonabovebar"], 1.75, 716]
};
var groupLength = function groupLength2(arg) {
  if (arg.type === "ordgroup") {
    return arg.body.length;
  } else {
    return 1;
  }
};
var svgSpan = function svgSpan2(group, options) {
  function buildSvgSpan_() {
    var viewBoxWidth = 4e5;
    var label = group.label.substr(1);
    if (utils.contains(["widehat", "widecheck", "widetilde", "utilde"], label)) {
      var grp = group;
      var numChars = groupLength(grp.base);
      var viewBoxHeight;
      var pathName;
      var _height;
      if (numChars > 5) {
        if (label === "widehat" || label === "widecheck") {
          viewBoxHeight = 420;
          viewBoxWidth = 2364;
          _height = 0.42;
          pathName = label + "4";
        } else {
          viewBoxHeight = 312;
          viewBoxWidth = 2340;
          _height = 0.34;
          pathName = "tilde4";
        }
      } else {
        var imgIndex = [1, 1, 2, 2, 3, 3][numChars];
        if (label === "widehat" || label === "widecheck") {
          viewBoxWidth = [0, 1062, 2364, 2364, 2364][imgIndex];
          viewBoxHeight = [0, 239, 300, 360, 420][imgIndex];
          _height = [0, 0.24, 0.3, 0.3, 0.36, 0.42][imgIndex];
          pathName = label + imgIndex;
        } else {
          viewBoxWidth = [0, 600, 1033, 2339, 2340][imgIndex];
          viewBoxHeight = [0, 260, 286, 306, 312][imgIndex];
          _height = [0, 0.26, 0.286, 0.3, 0.306, 0.34][imgIndex];
          pathName = "tilde" + imgIndex;
        }
      }
      var path2 = new PathNode(pathName);
      var svgNode = new SvgNode([path2], {
        "width": "100%",
        "height": makeEm(_height),
        "viewBox": "0 0 " + viewBoxWidth + " " + viewBoxHeight,
        "preserveAspectRatio": "none"
      });
      return {
        span: buildCommon.makeSvgSpan([], [svgNode], options),
        minWidth: 0,
        height: _height
      };
    } else {
      var spans = [];
      var data = katexImagesData[label];
      var [paths, _minWidth, _viewBoxHeight] = data;
      var _height2 = _viewBoxHeight / 1e3;
      var numSvgChildren = paths.length;
      var widthClasses;
      var aligns;
      if (numSvgChildren === 1) {
        var align1 = data[3];
        widthClasses = ["hide-tail"];
        aligns = [align1];
      } else if (numSvgChildren === 2) {
        widthClasses = ["halfarrow-left", "halfarrow-right"];
        aligns = ["xMinYMin", "xMaxYMin"];
      } else if (numSvgChildren === 3) {
        widthClasses = ["brace-left", "brace-center", "brace-right"];
        aligns = ["xMinYMin", "xMidYMin", "xMaxYMin"];
      } else {
        throw new Error("Correct katexImagesData or update code here to support\n                    " + numSvgChildren + " children.");
      }
      for (var i = 0; i < numSvgChildren; i++) {
        var _path = new PathNode(paths[i]);
        var _svgNode = new SvgNode([_path], {
          "width": "400em",
          "height": makeEm(_height2),
          "viewBox": "0 0 " + viewBoxWidth + " " + _viewBoxHeight,
          "preserveAspectRatio": aligns[i] + " slice"
        });
        var _span = buildCommon.makeSvgSpan([widthClasses[i]], [_svgNode], options);
        if (numSvgChildren === 1) {
          return {
            span: _span,
            minWidth: _minWidth,
            height: _height2
          };
        } else {
          _span.style.height = makeEm(_height2);
          spans.push(_span);
        }
      }
      return {
        span: buildCommon.makeSpan(["stretchy"], spans, options),
        minWidth: _minWidth,
        height: _height2
      };
    }
  }
  var {
    span,
    minWidth,
    height
  } = buildSvgSpan_();
  span.height = height;
  span.style.height = makeEm(height);
  if (minWidth > 0) {
    span.style.minWidth = makeEm(minWidth);
  }
  return span;
};
var encloseSpan = function encloseSpan2(inner2, label, topPad, bottomPad, options) {
  var img;
  var totalHeight = inner2.height + inner2.depth + topPad + bottomPad;
  if (/fbox|color|angl/.test(label)) {
    img = buildCommon.makeSpan(["stretchy", label], [], options);
    if (label === "fbox") {
      var color = options.color && options.getColor();
      if (color) {
        img.style.borderColor = color;
      }
    }
  } else {
    var lines = [];
    if (/^[bx]cancel$/.test(label)) {
      lines.push(new LineNode({
        "x1": "0",
        "y1": "0",
        "x2": "100%",
        "y2": "100%",
        "stroke-width": "0.046em"
      }));
    }
    if (/^x?cancel$/.test(label)) {
      lines.push(new LineNode({
        "x1": "0",
        "y1": "100%",
        "x2": "100%",
        "y2": "0",
        "stroke-width": "0.046em"
      }));
    }
    var svgNode = new SvgNode(lines, {
      "width": "100%",
      "height": makeEm(totalHeight)
    });
    img = buildCommon.makeSvgSpan([], [svgNode], options);
  }
  img.height = totalHeight;
  img.style.height = makeEm(totalHeight);
  return img;
};
var stretchy = {
  encloseSpan,
  mathMLnode,
  svgSpan
};
function assertNodeType(node, type) {
  if (!node || node.type !== type) {
    throw new Error("Expected node of type " + type + ", but got " + (node ? "node of type " + node.type : String(node)));
  }
  return node;
}
function assertSymbolNodeType(node) {
  var typedNode = checkSymbolNodeType(node);
  if (!typedNode) {
    throw new Error("Expected node of symbol group type, but got " + (node ? "node of type " + node.type : String(node)));
  }
  return typedNode;
}
function checkSymbolNodeType(node) {
  if (node && (node.type === "atom" || NON_ATOMS.hasOwnProperty(node.type))) {
    return node;
  }
  return null;
}
var htmlBuilder$a = (grp, options) => {
  var base;
  var group;
  var supSubGroup;
  if (grp && grp.type === "supsub") {
    group = assertNodeType(grp.base, "accent");
    base = group.base;
    grp.base = base;
    supSubGroup = assertSpan(buildGroup$1(grp, options));
    grp.base = group;
  } else {
    group = assertNodeType(grp, "accent");
    base = group.base;
  }
  var body = buildGroup$1(base, options.havingCrampedStyle());
  var mustShift = group.isShifty && utils.isCharacterBox(base);
  var skew = 0;
  if (mustShift) {
    var baseChar = utils.getBaseElem(base);
    var baseGroup = buildGroup$1(baseChar, options.havingCrampedStyle());
    skew = assertSymbolDomNode(baseGroup).skew;
  }
  var accentBelow = group.label === "\\c";
  var clearance = accentBelow ? body.height + body.depth : Math.min(body.height, options.fontMetrics().xHeight);
  var accentBody;
  if (!group.isStretchy) {
    var accent2;
    var width;
    if (group.label === "\\vec") {
      accent2 = buildCommon.staticSvg("vec", options);
      width = buildCommon.svgData.vec[1];
    } else {
      accent2 = buildCommon.makeOrd({
        mode: group.mode,
        text: group.label
      }, options, "textord");
      accent2 = assertSymbolDomNode(accent2);
      accent2.italic = 0;
      width = accent2.width;
      if (accentBelow) {
        clearance += accent2.depth;
      }
    }
    accentBody = buildCommon.makeSpan(["accent-body"], [accent2]);
    var accentFull = group.label === "\\textcircled";
    if (accentFull) {
      accentBody.classes.push("accent-full");
      clearance = body.height;
    }
    var left = skew;
    if (!accentFull) {
      left -= width / 2;
    }
    accentBody.style.left = makeEm(left);
    if (group.label === "\\textcircled") {
      accentBody.style.top = ".2em";
    }
    accentBody = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: body
      }, {
        type: "kern",
        size: -clearance
      }, {
        type: "elem",
        elem: accentBody
      }]
    }, options);
  } else {
    accentBody = stretchy.svgSpan(group, options);
    accentBody = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: body
      }, {
        type: "elem",
        elem: accentBody,
        wrapperClasses: ["svg-align"],
        wrapperStyle: skew > 0 ? {
          width: "calc(100% - " + makeEm(2 * skew) + ")",
          marginLeft: makeEm(2 * skew)
        } : void 0
      }]
    }, options);
  }
  var accentWrap = buildCommon.makeSpan(["mord", "accent"], [accentBody], options);
  if (supSubGroup) {
    supSubGroup.children[0] = accentWrap;
    supSubGroup.height = Math.max(accentWrap.height, supSubGroup.height);
    supSubGroup.classes[0] = "mord";
    return supSubGroup;
  } else {
    return accentWrap;
  }
};
var mathmlBuilder$9 = (group, options) => {
  var accentNode = group.isStretchy ? stretchy.mathMLnode(group.label) : new mathMLTree.MathNode("mo", [makeText(group.label, group.mode)]);
  var node = new mathMLTree.MathNode("mover", [buildGroup2(group.base, options), accentNode]);
  node.setAttribute("accent", "true");
  return node;
};
var NON_STRETCHY_ACCENT_REGEX = new RegExp(["\\acute", "\\grave", "\\ddot", "\\tilde", "\\bar", "\\breve", "\\check", "\\hat", "\\vec", "\\dot", "\\mathring"].map((accent2) => "\\" + accent2).join("|"));
defineFunction({
  type: "accent",
  names: ["\\acute", "\\grave", "\\ddot", "\\tilde", "\\bar", "\\breve", "\\check", "\\hat", "\\vec", "\\dot", "\\mathring", "\\widecheck", "\\widehat", "\\widetilde", "\\overrightarrow", "\\overleftarrow", "\\Overrightarrow", "\\overleftrightarrow", "\\overgroup", "\\overlinesegment", "\\overleftharpoon", "\\overrightharpoon"],
  props: {
    numArgs: 1
  },
  handler: (context, args) => {
    var base = normalizeArgument(args[0]);
    var isStretchy = !NON_STRETCHY_ACCENT_REGEX.test(context.funcName);
    var isShifty = !isStretchy || context.funcName === "\\widehat" || context.funcName === "\\widetilde" || context.funcName === "\\widecheck";
    return {
      type: "accent",
      mode: context.parser.mode,
      label: context.funcName,
      isStretchy,
      isShifty,
      base
    };
  },
  htmlBuilder: htmlBuilder$a,
  mathmlBuilder: mathmlBuilder$9
});
defineFunction({
  type: "accent",
  names: ["\\'", "\\`", "\\^", "\\~", "\\=", "\\u", "\\.", '\\"', "\\c", "\\r", "\\H", "\\v", "\\textcircled"],
  props: {
    numArgs: 1,
    allowedInText: true,
    allowedInMath: true,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    var base = args[0];
    var mode = context.parser.mode;
    if (mode === "math") {
      context.parser.settings.reportNonstrict("mathVsTextAccents", "LaTeX's accent " + context.funcName + " works only in text mode");
      mode = "text";
    }
    return {
      type: "accent",
      mode,
      label: context.funcName,
      isStretchy: false,
      isShifty: true,
      base
    };
  },
  htmlBuilder: htmlBuilder$a,
  mathmlBuilder: mathmlBuilder$9
});
defineFunction({
  type: "accentUnder",
  names: ["\\underleftarrow", "\\underrightarrow", "\\underleftrightarrow", "\\undergroup", "\\underlinesegment", "\\utilde"],
  props: {
    numArgs: 1
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var base = args[0];
    return {
      type: "accentUnder",
      mode: parser.mode,
      label: funcName,
      base
    };
  },
  htmlBuilder: (group, options) => {
    var innerGroup = buildGroup$1(group.base, options);
    var accentBody = stretchy.svgSpan(group, options);
    var kern = group.label === "\\utilde" ? 0.12 : 0;
    var vlist = buildCommon.makeVList({
      positionType: "top",
      positionData: innerGroup.height,
      children: [{
        type: "elem",
        elem: accentBody,
        wrapperClasses: ["svg-align"]
      }, {
        type: "kern",
        size: kern
      }, {
        type: "elem",
        elem: innerGroup
      }]
    }, options);
    return buildCommon.makeSpan(["mord", "accentunder"], [vlist], options);
  },
  mathmlBuilder: (group, options) => {
    var accentNode = stretchy.mathMLnode(group.label);
    var node = new mathMLTree.MathNode("munder", [buildGroup2(group.base, options), accentNode]);
    node.setAttribute("accentunder", "true");
    return node;
  }
});
var paddedNode = (group) => {
  var node = new mathMLTree.MathNode("mpadded", group ? [group] : []);
  node.setAttribute("width", "+0.6em");
  node.setAttribute("lspace", "0.3em");
  return node;
};
defineFunction({
  type: "xArrow",
  names: [
    "\\xleftarrow",
    "\\xrightarrow",
    "\\xLeftarrow",
    "\\xRightarrow",
    "\\xleftrightarrow",
    "\\xLeftrightarrow",
    "\\xhookleftarrow",
    "\\xhookrightarrow",
    "\\xmapsto",
    "\\xrightharpoondown",
    "\\xrightharpoonup",
    "\\xleftharpoondown",
    "\\xleftharpoonup",
    "\\xrightleftharpoons",
    "\\xleftrightharpoons",
    "\\xlongequal",
    "\\xtwoheadrightarrow",
    "\\xtwoheadleftarrow",
    "\\xtofrom",
    "\\xrightleftarrows",
    "\\xrightequilibrium",
    "\\xleftequilibrium",
    "\\\\cdrightarrow",
    "\\\\cdleftarrow",
    "\\\\cdlongequal"
  ],
  props: {
    numArgs: 1,
    numOptionalArgs: 1
  },
  handler(_ref, args, optArgs) {
    var {
      parser,
      funcName
    } = _ref;
    return {
      type: "xArrow",
      mode: parser.mode,
      label: funcName,
      body: args[0],
      below: optArgs[0]
    };
  },
  htmlBuilder(group, options) {
    var style = options.style;
    var newOptions = options.havingStyle(style.sup());
    var upperGroup = buildCommon.wrapFragment(buildGroup$1(group.body, newOptions, options), options);
    var arrowPrefix = group.label.slice(0, 2) === "\\x" ? "x" : "cd";
    upperGroup.classes.push(arrowPrefix + "-arrow-pad");
    var lowerGroup;
    if (group.below) {
      newOptions = options.havingStyle(style.sub());
      lowerGroup = buildCommon.wrapFragment(buildGroup$1(group.below, newOptions, options), options);
      lowerGroup.classes.push(arrowPrefix + "-arrow-pad");
    }
    var arrowBody = stretchy.svgSpan(group, options);
    var arrowShift = -options.fontMetrics().axisHeight + 0.5 * arrowBody.height;
    var upperShift = -options.fontMetrics().axisHeight - 0.5 * arrowBody.height - 0.111;
    if (upperGroup.depth > 0.25 || group.label === "\\xleftequilibrium") {
      upperShift -= upperGroup.depth;
    }
    var vlist;
    if (lowerGroup) {
      var lowerShift = -options.fontMetrics().axisHeight + lowerGroup.height + 0.5 * arrowBody.height + 0.111;
      vlist = buildCommon.makeVList({
        positionType: "individualShift",
        children: [{
          type: "elem",
          elem: upperGroup,
          shift: upperShift
        }, {
          type: "elem",
          elem: arrowBody,
          shift: arrowShift
        }, {
          type: "elem",
          elem: lowerGroup,
          shift: lowerShift
        }]
      }, options);
    } else {
      vlist = buildCommon.makeVList({
        positionType: "individualShift",
        children: [{
          type: "elem",
          elem: upperGroup,
          shift: upperShift
        }, {
          type: "elem",
          elem: arrowBody,
          shift: arrowShift
        }]
      }, options);
    }
    vlist.children[0].children[0].children[1].classes.push("svg-align");
    return buildCommon.makeSpan(["mrel", "x-arrow"], [vlist], options);
  },
  mathmlBuilder(group, options) {
    var arrowNode = stretchy.mathMLnode(group.label);
    arrowNode.setAttribute("minsize", group.label.charAt(0) === "x" ? "1.75em" : "3.0em");
    var node;
    if (group.body) {
      var upperNode = paddedNode(buildGroup2(group.body, options));
      if (group.below) {
        var lowerNode = paddedNode(buildGroup2(group.below, options));
        node = new mathMLTree.MathNode("munderover", [arrowNode, lowerNode, upperNode]);
      } else {
        node = new mathMLTree.MathNode("mover", [arrowNode, upperNode]);
      }
    } else if (group.below) {
      var _lowerNode = paddedNode(buildGroup2(group.below, options));
      node = new mathMLTree.MathNode("munder", [arrowNode, _lowerNode]);
    } else {
      node = paddedNode();
      node = new mathMLTree.MathNode("mover", [arrowNode, node]);
    }
    return node;
  }
});
var cdArrowFunctionName = {
  ">": "\\\\cdrightarrow",
  "<": "\\\\cdleftarrow",
  "=": "\\\\cdlongequal",
  "A": "\\uparrow",
  "V": "\\downarrow",
  "|": "\\Vert",
  ".": "no arrow"
};
var newCell = () => {
  return {
    type: "styling",
    body: [],
    mode: "math",
    style: "display"
  };
};
var isStartOfArrow = (node) => {
  return node.type === "textord" && node.text === "@";
};
var isLabelEnd = (node, endChar) => {
  return (node.type === "mathord" || node.type === "atom") && node.text === endChar;
};
function cdArrow(arrowChar, labels, parser) {
  var funcName = cdArrowFunctionName[arrowChar];
  switch (funcName) {
    case "\\\\cdrightarrow":
    case "\\\\cdleftarrow":
      return parser.callFunction(funcName, [labels[0]], [labels[1]]);
    case "\\uparrow":
    case "\\downarrow": {
      var leftLabel = parser.callFunction("\\\\cdleft", [labels[0]], []);
      var bareArrow = {
        type: "atom",
        text: funcName,
        mode: "math",
        family: "rel"
      };
      var sizedArrow = parser.callFunction("\\Big", [bareArrow], []);
      var rightLabel = parser.callFunction("\\\\cdright", [labels[1]], []);
      var arrowGroup = {
        type: "ordgroup",
        mode: "math",
        body: [leftLabel, sizedArrow, rightLabel]
      };
      return parser.callFunction("\\\\cdparent", [arrowGroup], []);
    }
    case "\\\\cdlongequal":
      return parser.callFunction("\\\\cdlongequal", [], []);
    case "\\Vert": {
      var arrow = {
        type: "textord",
        text: "\\Vert",
        mode: "math"
      };
      return parser.callFunction("\\Big", [arrow], []);
    }
    default:
      return {
        type: "textord",
        text: " ",
        mode: "math"
      };
  }
}
function parseCD(parser) {
  var parsedRows = [];
  parser.gullet.beginGroup();
  parser.gullet.macros.set("\\cr", "\\\\\\relax");
  parser.gullet.beginGroup();
  while (true) {
    parsedRows.push(parser.parseExpression(false, "\\\\"));
    parser.gullet.endGroup();
    parser.gullet.beginGroup();
    var next = parser.fetch().text;
    if (next === "&" || next === "\\\\") {
      parser.consume();
    } else if (next === "\\end") {
      if (parsedRows[parsedRows.length - 1].length === 0) {
        parsedRows.pop();
      }
      break;
    } else {
      throw new ParseError("Expected \\\\ or \\cr or \\end", parser.nextToken);
    }
  }
  var row = [];
  var body = [row];
  for (var i = 0; i < parsedRows.length; i++) {
    var rowNodes = parsedRows[i];
    var cell = newCell();
    for (var j = 0; j < rowNodes.length; j++) {
      if (!isStartOfArrow(rowNodes[j])) {
        cell.body.push(rowNodes[j]);
      } else {
        row.push(cell);
        j += 1;
        var arrowChar = assertSymbolNodeType(rowNodes[j]).text;
        var labels = new Array(2);
        labels[0] = {
          type: "ordgroup",
          mode: "math",
          body: []
        };
        labels[1] = {
          type: "ordgroup",
          mode: "math",
          body: []
        };
        if ("=|.".indexOf(arrowChar) > -1)
          ;
        else if ("<>AV".indexOf(arrowChar) > -1) {
          for (var labelNum = 0; labelNum < 2; labelNum++) {
            var inLabel = true;
            for (var k = j + 1; k < rowNodes.length; k++) {
              if (isLabelEnd(rowNodes[k], arrowChar)) {
                inLabel = false;
                j = k;
                break;
              }
              if (isStartOfArrow(rowNodes[k])) {
                throw new ParseError("Missing a " + arrowChar + " character to complete a CD arrow.", rowNodes[k]);
              }
              labels[labelNum].body.push(rowNodes[k]);
            }
            if (inLabel) {
              throw new ParseError("Missing a " + arrowChar + " character to complete a CD arrow.", rowNodes[j]);
            }
          }
        } else {
          throw new ParseError('Expected one of "<>AV=|." after @', rowNodes[j]);
        }
        var arrow = cdArrow(arrowChar, labels, parser);
        var wrappedArrow = {
          type: "styling",
          body: [arrow],
          mode: "math",
          style: "display"
        };
        row.push(wrappedArrow);
        cell = newCell();
      }
    }
    if (i % 2 === 0) {
      row.push(cell);
    } else {
      row.shift();
    }
    row = [];
    body.push(row);
  }
  parser.gullet.endGroup();
  parser.gullet.endGroup();
  var cols = new Array(body[0].length).fill({
    type: "align",
    align: "c",
    pregap: 0.25,
    postgap: 0.25
  });
  return {
    type: "array",
    mode: "math",
    body,
    arraystretch: 1,
    addJot: true,
    rowGaps: [null],
    cols,
    colSeparationType: "CD",
    hLinesBeforeRow: new Array(body.length + 1).fill([])
  };
}
defineFunction({
  type: "cdlabel",
  names: ["\\\\cdleft", "\\\\cdright"],
  props: {
    numArgs: 1
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    return {
      type: "cdlabel",
      mode: parser.mode,
      side: funcName.slice(4),
      label: args[0]
    };
  },
  htmlBuilder(group, options) {
    var newOptions = options.havingStyle(options.style.sup());
    var label = buildCommon.wrapFragment(buildGroup$1(group.label, newOptions, options), options);
    label.classes.push("cd-label-" + group.side);
    label.style.bottom = makeEm(0.8 - label.depth);
    label.height = 0;
    label.depth = 0;
    return label;
  },
  mathmlBuilder(group, options) {
    var label = new mathMLTree.MathNode("mrow", [buildGroup2(group.label, options)]);
    label = new mathMLTree.MathNode("mpadded", [label]);
    label.setAttribute("width", "0");
    if (group.side === "left") {
      label.setAttribute("lspace", "-1width");
    }
    label.setAttribute("voffset", "0.7em");
    label = new mathMLTree.MathNode("mstyle", [label]);
    label.setAttribute("displaystyle", "false");
    label.setAttribute("scriptlevel", "1");
    return label;
  }
});
defineFunction({
  type: "cdlabelparent",
  names: ["\\\\cdparent"],
  props: {
    numArgs: 1
  },
  handler(_ref2, args) {
    var {
      parser
    } = _ref2;
    return {
      type: "cdlabelparent",
      mode: parser.mode,
      fragment: args[0]
    };
  },
  htmlBuilder(group, options) {
    var parent = buildCommon.wrapFragment(buildGroup$1(group.fragment, options), options);
    parent.classes.push("cd-vert-arrow");
    return parent;
  },
  mathmlBuilder(group, options) {
    return new mathMLTree.MathNode("mrow", [buildGroup2(group.fragment, options)]);
  }
});
defineFunction({
  type: "textord",
  names: ["\\@char"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    var arg = assertNodeType(args[0], "ordgroup");
    var group = arg.body;
    var number = "";
    for (var i = 0; i < group.length; i++) {
      var node = assertNodeType(group[i], "textord");
      number += node.text;
    }
    var code = parseInt(number);
    var text2;
    if (isNaN(code)) {
      throw new ParseError("\\@char has non-numeric argument " + number);
    } else if (code < 0 || code >= 1114111) {
      throw new ParseError("\\@char with invalid code point " + number);
    } else if (code <= 65535) {
      text2 = String.fromCharCode(code);
    } else {
      code -= 65536;
      text2 = String.fromCharCode((code >> 10) + 55296, (code & 1023) + 56320);
    }
    return {
      type: "textord",
      mode: parser.mode,
      text: text2
    };
  }
});
var htmlBuilder$9 = (group, options) => {
  var elements = buildExpression$1(group.body, options.withColor(group.color), false);
  return buildCommon.makeFragment(elements);
};
var mathmlBuilder$8 = (group, options) => {
  var inner2 = buildExpression2(group.body, options.withColor(group.color));
  var node = new mathMLTree.MathNode("mstyle", inner2);
  node.setAttribute("mathcolor", group.color);
  return node;
};
defineFunction({
  type: "color",
  names: ["\\textcolor"],
  props: {
    numArgs: 2,
    allowedInText: true,
    argTypes: ["color", "original"]
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    var color = assertNodeType(args[0], "color-token").color;
    var body = args[1];
    return {
      type: "color",
      mode: parser.mode,
      color,
      body: ordargument(body)
    };
  },
  htmlBuilder: htmlBuilder$9,
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "color",
  names: ["\\color"],
  props: {
    numArgs: 1,
    allowedInText: true,
    argTypes: ["color"]
  },
  handler(_ref2, args) {
    var {
      parser,
      breakOnTokenText
    } = _ref2;
    var color = assertNodeType(args[0], "color-token").color;
    parser.gullet.macros.set("\\current@color", color);
    var body = parser.parseExpression(true, breakOnTokenText);
    return {
      type: "color",
      mode: parser.mode,
      color,
      body
    };
  },
  htmlBuilder: htmlBuilder$9,
  mathmlBuilder: mathmlBuilder$8
});
defineFunction({
  type: "cr",
  names: ["\\\\"],
  props: {
    numArgs: 0,
    numOptionalArgs: 1,
    argTypes: ["size"],
    allowedInText: true
  },
  handler(_ref, args, optArgs) {
    var {
      parser
    } = _ref;
    var size = optArgs[0];
    var newLine = !parser.settings.displayMode || !parser.settings.useStrictBehavior("newLineInDisplayMode", "In LaTeX, \\\\ or \\newline does nothing in display mode");
    return {
      type: "cr",
      mode: parser.mode,
      newLine,
      size: size && assertNodeType(size, "size").value
    };
  },
  htmlBuilder(group, options) {
    var span = buildCommon.makeSpan(["mspace"], [], options);
    if (group.newLine) {
      span.classes.push("newline");
      if (group.size) {
        span.style.marginTop = makeEm(calculateSize(group.size, options));
      }
    }
    return span;
  },
  mathmlBuilder(group, options) {
    var node = new mathMLTree.MathNode("mspace");
    if (group.newLine) {
      node.setAttribute("linebreak", "newline");
      if (group.size) {
        node.setAttribute("height", makeEm(calculateSize(group.size, options)));
      }
    }
    return node;
  }
});
var globalMap = {
  "\\global": "\\global",
  "\\long": "\\\\globallong",
  "\\\\globallong": "\\\\globallong",
  "\\def": "\\gdef",
  "\\gdef": "\\gdef",
  "\\edef": "\\xdef",
  "\\xdef": "\\xdef",
  "\\let": "\\\\globallet",
  "\\futurelet": "\\\\globalfuture"
};
var checkControlSequence = (tok) => {
  var name = tok.text;
  if (/^(?:[\\{}$&#^_]|EOF)$/.test(name)) {
    throw new ParseError("Expected a control sequence", tok);
  }
  return name;
};
var getRHS = (parser) => {
  var tok = parser.gullet.popToken();
  if (tok.text === "=") {
    tok = parser.gullet.popToken();
    if (tok.text === " ") {
      tok = parser.gullet.popToken();
    }
  }
  return tok;
};
var letCommand = (parser, name, tok, global) => {
  var macro = parser.gullet.macros.get(tok.text);
  if (macro == null) {
    tok.noexpand = true;
    macro = {
      tokens: [tok],
      numArgs: 0,
      unexpandable: !parser.gullet.isExpandable(tok.text)
    };
  }
  parser.gullet.macros.set(name, macro, global);
};
defineFunction({
  type: "internal",
  names: [
    "\\global",
    "\\long",
    "\\\\globallong"
  ],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler(_ref) {
    var {
      parser,
      funcName
    } = _ref;
    parser.consumeSpaces();
    var token = parser.fetch();
    if (globalMap[token.text]) {
      if (funcName === "\\global" || funcName === "\\\\globallong") {
        token.text = globalMap[token.text];
      }
      return assertNodeType(parser.parseFunction(), "internal");
    }
    throw new ParseError("Invalid token after macro prefix", token);
  }
});
defineFunction({
  type: "internal",
  names: ["\\def", "\\gdef", "\\edef", "\\xdef"],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler(_ref2) {
    var {
      parser,
      funcName
    } = _ref2;
    var tok = parser.gullet.popToken();
    var name = tok.text;
    if (/^(?:[\\{}$&#^_]|EOF)$/.test(name)) {
      throw new ParseError("Expected a control sequence", tok);
    }
    var numArgs = 0;
    var insert;
    var delimiters2 = [[]];
    while (parser.gullet.future().text !== "{") {
      tok = parser.gullet.popToken();
      if (tok.text === "#") {
        if (parser.gullet.future().text === "{") {
          insert = parser.gullet.future();
          delimiters2[numArgs].push("{");
          break;
        }
        tok = parser.gullet.popToken();
        if (!/^[1-9]$/.test(tok.text)) {
          throw new ParseError('Invalid argument number "' + tok.text + '"');
        }
        if (parseInt(tok.text) !== numArgs + 1) {
          throw new ParseError('Argument number "' + tok.text + '" out of order');
        }
        numArgs++;
        delimiters2.push([]);
      } else if (tok.text === "EOF") {
        throw new ParseError("Expected a macro definition");
      } else {
        delimiters2[numArgs].push(tok.text);
      }
    }
    var {
      tokens
    } = parser.gullet.consumeArg();
    if (insert) {
      tokens.unshift(insert);
    }
    if (funcName === "\\edef" || funcName === "\\xdef") {
      tokens = parser.gullet.expandTokens(tokens);
      tokens.reverse();
    }
    parser.gullet.macros.set(name, {
      tokens,
      numArgs,
      delimiters: delimiters2
    }, funcName === globalMap[funcName]);
    return {
      type: "internal",
      mode: parser.mode
    };
  }
});
defineFunction({
  type: "internal",
  names: [
    "\\let",
    "\\\\globallet"
  ],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler(_ref3) {
    var {
      parser,
      funcName
    } = _ref3;
    var name = checkControlSequence(parser.gullet.popToken());
    parser.gullet.consumeSpaces();
    var tok = getRHS(parser);
    letCommand(parser, name, tok, funcName === "\\\\globallet");
    return {
      type: "internal",
      mode: parser.mode
    };
  }
});
defineFunction({
  type: "internal",
  names: [
    "\\futurelet",
    "\\\\globalfuture"
  ],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler(_ref4) {
    var {
      parser,
      funcName
    } = _ref4;
    var name = checkControlSequence(parser.gullet.popToken());
    var middle = parser.gullet.popToken();
    var tok = parser.gullet.popToken();
    letCommand(parser, name, tok, funcName === "\\\\globalfuture");
    parser.gullet.pushToken(tok);
    parser.gullet.pushToken(middle);
    return {
      type: "internal",
      mode: parser.mode
    };
  }
});
var getMetrics = function getMetrics2(symbol, font, mode) {
  var replace = symbols.math[symbol] && symbols.math[symbol].replace;
  var metrics = getCharacterMetrics(replace || symbol, font, mode);
  if (!metrics) {
    throw new Error("Unsupported symbol " + symbol + " and font size " + font + ".");
  }
  return metrics;
};
var styleWrap = function styleWrap2(delim, toStyle, options, classes) {
  var newOptions = options.havingBaseStyle(toStyle);
  var span = buildCommon.makeSpan(classes.concat(newOptions.sizingClasses(options)), [delim], options);
  var delimSizeMultiplier = newOptions.sizeMultiplier / options.sizeMultiplier;
  span.height *= delimSizeMultiplier;
  span.depth *= delimSizeMultiplier;
  span.maxFontSize = newOptions.sizeMultiplier;
  return span;
};
var centerSpan = function centerSpan2(span, options, style) {
  var newOptions = options.havingBaseStyle(style);
  var shift = (1 - options.sizeMultiplier / newOptions.sizeMultiplier) * options.fontMetrics().axisHeight;
  span.classes.push("delimcenter");
  span.style.top = makeEm(shift);
  span.height -= shift;
  span.depth += shift;
};
var makeSmallDelim = function makeSmallDelim2(delim, style, center, options, mode, classes) {
  var text2 = buildCommon.makeSymbol(delim, "Main-Regular", mode, options);
  var span = styleWrap(text2, style, options, classes);
  if (center) {
    centerSpan(span, options, style);
  }
  return span;
};
var mathrmSize = function mathrmSize2(value, size, mode, options) {
  return buildCommon.makeSymbol(value, "Size" + size + "-Regular", mode, options);
};
var makeLargeDelim = function makeLargeDelim2(delim, size, center, options, mode, classes) {
  var inner2 = mathrmSize(delim, size, mode, options);
  var span = styleWrap(buildCommon.makeSpan(["delimsizing", "size" + size], [inner2], options), Style$1.TEXT, options, classes);
  if (center) {
    centerSpan(span, options, Style$1.TEXT);
  }
  return span;
};
var makeGlyphSpan = function makeGlyphSpan2(symbol, font, mode) {
  var sizeClass;
  if (font === "Size1-Regular") {
    sizeClass = "delim-size1";
  } else {
    sizeClass = "delim-size4";
  }
  var corner = buildCommon.makeSpan(["delimsizinginner", sizeClass], [buildCommon.makeSpan([], [buildCommon.makeSymbol(symbol, font, mode)])]);
  return {
    type: "elem",
    elem: corner
  };
};
var makeInner = function makeInner2(ch, height, options) {
  var width = fontMetricsData["Size4-Regular"][ch.charCodeAt(0)] ? fontMetricsData["Size4-Regular"][ch.charCodeAt(0)][4] : fontMetricsData["Size1-Regular"][ch.charCodeAt(0)][4];
  var path2 = new PathNode("inner", innerPath(ch, Math.round(1e3 * height)));
  var svgNode = new SvgNode([path2], {
    "width": makeEm(width),
    "height": makeEm(height),
    "style": "width:" + makeEm(width),
    "viewBox": "0 0 " + 1e3 * width + " " + Math.round(1e3 * height),
    "preserveAspectRatio": "xMinYMin"
  });
  var span = buildCommon.makeSvgSpan([], [svgNode], options);
  span.height = height;
  span.style.height = makeEm(height);
  span.style.width = makeEm(width);
  return {
    type: "elem",
    elem: span
  };
};
var lapInEms = 8e-3;
var lap = {
  type: "kern",
  size: -1 * lapInEms
};
var verts = ["|", "\\lvert", "\\rvert", "\\vert"];
var doubleVerts = ["\\|", "\\lVert", "\\rVert", "\\Vert"];
var makeStackedDelim = function makeStackedDelim2(delim, heightTotal, center, options, mode, classes) {
  var top;
  var middle;
  var repeat;
  var bottom;
  top = repeat = bottom = delim;
  middle = null;
  var font = "Size1-Regular";
  if (delim === "\\uparrow") {
    repeat = bottom = "\u23D0";
  } else if (delim === "\\Uparrow") {
    repeat = bottom = "\u2016";
  } else if (delim === "\\downarrow") {
    top = repeat = "\u23D0";
  } else if (delim === "\\Downarrow") {
    top = repeat = "\u2016";
  } else if (delim === "\\updownarrow") {
    top = "\\uparrow";
    repeat = "\u23D0";
    bottom = "\\downarrow";
  } else if (delim === "\\Updownarrow") {
    top = "\\Uparrow";
    repeat = "\u2016";
    bottom = "\\Downarrow";
  } else if (utils.contains(verts, delim)) {
    repeat = "\u2223";
  } else if (utils.contains(doubleVerts, delim)) {
    repeat = "\u2225";
  } else if (delim === "[" || delim === "\\lbrack") {
    top = "\u23A1";
    repeat = "\u23A2";
    bottom = "\u23A3";
    font = "Size4-Regular";
  } else if (delim === "]" || delim === "\\rbrack") {
    top = "\u23A4";
    repeat = "\u23A5";
    bottom = "\u23A6";
    font = "Size4-Regular";
  } else if (delim === "\\lfloor" || delim === "\u230A") {
    repeat = top = "\u23A2";
    bottom = "\u23A3";
    font = "Size4-Regular";
  } else if (delim === "\\lceil" || delim === "\u2308") {
    top = "\u23A1";
    repeat = bottom = "\u23A2";
    font = "Size4-Regular";
  } else if (delim === "\\rfloor" || delim === "\u230B") {
    repeat = top = "\u23A5";
    bottom = "\u23A6";
    font = "Size4-Regular";
  } else if (delim === "\\rceil" || delim === "\u2309") {
    top = "\u23A4";
    repeat = bottom = "\u23A5";
    font = "Size4-Regular";
  } else if (delim === "(" || delim === "\\lparen") {
    top = "\u239B";
    repeat = "\u239C";
    bottom = "\u239D";
    font = "Size4-Regular";
  } else if (delim === ")" || delim === "\\rparen") {
    top = "\u239E";
    repeat = "\u239F";
    bottom = "\u23A0";
    font = "Size4-Regular";
  } else if (delim === "\\{" || delim === "\\lbrace") {
    top = "\u23A7";
    middle = "\u23A8";
    bottom = "\u23A9";
    repeat = "\u23AA";
    font = "Size4-Regular";
  } else if (delim === "\\}" || delim === "\\rbrace") {
    top = "\u23AB";
    middle = "\u23AC";
    bottom = "\u23AD";
    repeat = "\u23AA";
    font = "Size4-Regular";
  } else if (delim === "\\lgroup" || delim === "\u27EE") {
    top = "\u23A7";
    bottom = "\u23A9";
    repeat = "\u23AA";
    font = "Size4-Regular";
  } else if (delim === "\\rgroup" || delim === "\u27EF") {
    top = "\u23AB";
    bottom = "\u23AD";
    repeat = "\u23AA";
    font = "Size4-Regular";
  } else if (delim === "\\lmoustache" || delim === "\u23B0") {
    top = "\u23A7";
    bottom = "\u23AD";
    repeat = "\u23AA";
    font = "Size4-Regular";
  } else if (delim === "\\rmoustache" || delim === "\u23B1") {
    top = "\u23AB";
    bottom = "\u23A9";
    repeat = "\u23AA";
    font = "Size4-Regular";
  }
  var topMetrics = getMetrics(top, font, mode);
  var topHeightTotal = topMetrics.height + topMetrics.depth;
  var repeatMetrics = getMetrics(repeat, font, mode);
  var repeatHeightTotal = repeatMetrics.height + repeatMetrics.depth;
  var bottomMetrics = getMetrics(bottom, font, mode);
  var bottomHeightTotal = bottomMetrics.height + bottomMetrics.depth;
  var middleHeightTotal = 0;
  var middleFactor = 1;
  if (middle !== null) {
    var middleMetrics = getMetrics(middle, font, mode);
    middleHeightTotal = middleMetrics.height + middleMetrics.depth;
    middleFactor = 2;
  }
  var minHeight = topHeightTotal + bottomHeightTotal + middleHeightTotal;
  var repeatCount = Math.max(0, Math.ceil((heightTotal - minHeight) / (middleFactor * repeatHeightTotal)));
  var realHeightTotal = minHeight + repeatCount * middleFactor * repeatHeightTotal;
  var axisHeight = options.fontMetrics().axisHeight;
  if (center) {
    axisHeight *= options.sizeMultiplier;
  }
  var depth = realHeightTotal / 2 - axisHeight;
  var stack = [];
  stack.push(makeGlyphSpan(bottom, font, mode));
  stack.push(lap);
  if (middle === null) {
    var innerHeight = realHeightTotal - topHeightTotal - bottomHeightTotal + 2 * lapInEms;
    stack.push(makeInner(repeat, innerHeight, options));
  } else {
    var _innerHeight = (realHeightTotal - topHeightTotal - bottomHeightTotal - middleHeightTotal) / 2 + 2 * lapInEms;
    stack.push(makeInner(repeat, _innerHeight, options));
    stack.push(lap);
    stack.push(makeGlyphSpan(middle, font, mode));
    stack.push(lap);
    stack.push(makeInner(repeat, _innerHeight, options));
  }
  stack.push(lap);
  stack.push(makeGlyphSpan(top, font, mode));
  var newOptions = options.havingBaseStyle(Style$1.TEXT);
  var inner2 = buildCommon.makeVList({
    positionType: "bottom",
    positionData: depth,
    children: stack
  }, newOptions);
  return styleWrap(buildCommon.makeSpan(["delimsizing", "mult"], [inner2], newOptions), Style$1.TEXT, options, classes);
};
var vbPad = 80;
var emPad = 0.08;
var sqrtSvg = function sqrtSvg2(sqrtName, height, viewBoxHeight, extraViniculum, options) {
  var path2 = sqrtPath(sqrtName, extraViniculum, viewBoxHeight);
  var pathNode = new PathNode(sqrtName, path2);
  var svg = new SvgNode([pathNode], {
    "width": "400em",
    "height": makeEm(height),
    "viewBox": "0 0 400000 " + viewBoxHeight,
    "preserveAspectRatio": "xMinYMin slice"
  });
  return buildCommon.makeSvgSpan(["hide-tail"], [svg], options);
};
var makeSqrtImage = function makeSqrtImage2(height, options) {
  var newOptions = options.havingBaseSizing();
  var delim = traverseSequence("\\surd", height * newOptions.sizeMultiplier, stackLargeDelimiterSequence, newOptions);
  var sizeMultiplier = newOptions.sizeMultiplier;
  var extraViniculum = Math.max(0, options.minRuleThickness - options.fontMetrics().sqrtRuleThickness);
  var span;
  var spanHeight = 0;
  var texHeight = 0;
  var viewBoxHeight = 0;
  var advanceWidth;
  if (delim.type === "small") {
    viewBoxHeight = 1e3 + 1e3 * extraViniculum + vbPad;
    if (height < 1) {
      sizeMultiplier = 1;
    } else if (height < 1.4) {
      sizeMultiplier = 0.7;
    }
    spanHeight = (1 + extraViniculum + emPad) / sizeMultiplier;
    texHeight = (1 + extraViniculum) / sizeMultiplier;
    span = sqrtSvg("sqrtMain", spanHeight, viewBoxHeight, extraViniculum, options);
    span.style.minWidth = "0.853em";
    advanceWidth = 0.833 / sizeMultiplier;
  } else if (delim.type === "large") {
    viewBoxHeight = (1e3 + vbPad) * sizeToMaxHeight[delim.size];
    texHeight = (sizeToMaxHeight[delim.size] + extraViniculum) / sizeMultiplier;
    spanHeight = (sizeToMaxHeight[delim.size] + extraViniculum + emPad) / sizeMultiplier;
    span = sqrtSvg("sqrtSize" + delim.size, spanHeight, viewBoxHeight, extraViniculum, options);
    span.style.minWidth = "1.02em";
    advanceWidth = 1 / sizeMultiplier;
  } else {
    spanHeight = height + extraViniculum + emPad;
    texHeight = height + extraViniculum;
    viewBoxHeight = Math.floor(1e3 * height + extraViniculum) + vbPad;
    span = sqrtSvg("sqrtTall", spanHeight, viewBoxHeight, extraViniculum, options);
    span.style.minWidth = "0.742em";
    advanceWidth = 1.056;
  }
  span.height = texHeight;
  span.style.height = makeEm(spanHeight);
  return {
    span,
    advanceWidth,
    ruleWidth: (options.fontMetrics().sqrtRuleThickness + extraViniculum) * sizeMultiplier
  };
};
var stackLargeDelimiters = ["(", "\\lparen", ")", "\\rparen", "[", "\\lbrack", "]", "\\rbrack", "\\{", "\\lbrace", "\\}", "\\rbrace", "\\lfloor", "\\rfloor", "\u230A", "\u230B", "\\lceil", "\\rceil", "\u2308", "\u2309", "\\surd"];
var stackAlwaysDelimiters = ["\\uparrow", "\\downarrow", "\\updownarrow", "\\Uparrow", "\\Downarrow", "\\Updownarrow", "|", "\\|", "\\vert", "\\Vert", "\\lvert", "\\rvert", "\\lVert", "\\rVert", "\\lgroup", "\\rgroup", "\u27EE", "\u27EF", "\\lmoustache", "\\rmoustache", "\u23B0", "\u23B1"];
var stackNeverDelimiters = ["<", ">", "\\langle", "\\rangle", "/", "\\backslash", "\\lt", "\\gt"];
var sizeToMaxHeight = [0, 1.2, 1.8, 2.4, 3];
var makeSizedDelim = function makeSizedDelim2(delim, size, options, mode, classes) {
  if (delim === "<" || delim === "\\lt" || delim === "\u27E8") {
    delim = "\\langle";
  } else if (delim === ">" || delim === "\\gt" || delim === "\u27E9") {
    delim = "\\rangle";
  }
  if (utils.contains(stackLargeDelimiters, delim) || utils.contains(stackNeverDelimiters, delim)) {
    return makeLargeDelim(delim, size, false, options, mode, classes);
  } else if (utils.contains(stackAlwaysDelimiters, delim)) {
    return makeStackedDelim(delim, sizeToMaxHeight[size], false, options, mode, classes);
  } else {
    throw new ParseError("Illegal delimiter: '" + delim + "'");
  }
};
var stackNeverDelimiterSequence = [{
  type: "small",
  style: Style$1.SCRIPTSCRIPT
}, {
  type: "small",
  style: Style$1.SCRIPT
}, {
  type: "small",
  style: Style$1.TEXT
}, {
  type: "large",
  size: 1
}, {
  type: "large",
  size: 2
}, {
  type: "large",
  size: 3
}, {
  type: "large",
  size: 4
}];
var stackAlwaysDelimiterSequence = [{
  type: "small",
  style: Style$1.SCRIPTSCRIPT
}, {
  type: "small",
  style: Style$1.SCRIPT
}, {
  type: "small",
  style: Style$1.TEXT
}, {
  type: "stack"
}];
var stackLargeDelimiterSequence = [{
  type: "small",
  style: Style$1.SCRIPTSCRIPT
}, {
  type: "small",
  style: Style$1.SCRIPT
}, {
  type: "small",
  style: Style$1.TEXT
}, {
  type: "large",
  size: 1
}, {
  type: "large",
  size: 2
}, {
  type: "large",
  size: 3
}, {
  type: "large",
  size: 4
}, {
  type: "stack"
}];
var delimTypeToFont = function delimTypeToFont2(type) {
  if (type.type === "small") {
    return "Main-Regular";
  } else if (type.type === "large") {
    return "Size" + type.size + "-Regular";
  } else if (type.type === "stack") {
    return "Size4-Regular";
  } else {
    throw new Error("Add support for delim type '" + type.type + "' here.");
  }
};
var traverseSequence = function traverseSequence2(delim, height, sequence, options) {
  var start = Math.min(2, 3 - options.style.size);
  for (var i = start; i < sequence.length; i++) {
    if (sequence[i].type === "stack") {
      break;
    }
    var metrics = getMetrics(delim, delimTypeToFont(sequence[i]), "math");
    var heightDepth = metrics.height + metrics.depth;
    if (sequence[i].type === "small") {
      var newOptions = options.havingBaseStyle(sequence[i].style);
      heightDepth *= newOptions.sizeMultiplier;
    }
    if (heightDepth > height) {
      return sequence[i];
    }
  }
  return sequence[sequence.length - 1];
};
var makeCustomSizedDelim = function makeCustomSizedDelim2(delim, height, center, options, mode, classes) {
  if (delim === "<" || delim === "\\lt" || delim === "\u27E8") {
    delim = "\\langle";
  } else if (delim === ">" || delim === "\\gt" || delim === "\u27E9") {
    delim = "\\rangle";
  }
  var sequence;
  if (utils.contains(stackNeverDelimiters, delim)) {
    sequence = stackNeverDelimiterSequence;
  } else if (utils.contains(stackLargeDelimiters, delim)) {
    sequence = stackLargeDelimiterSequence;
  } else {
    sequence = stackAlwaysDelimiterSequence;
  }
  var delimType = traverseSequence(delim, height, sequence, options);
  if (delimType.type === "small") {
    return makeSmallDelim(delim, delimType.style, center, options, mode, classes);
  } else if (delimType.type === "large") {
    return makeLargeDelim(delim, delimType.size, center, options, mode, classes);
  } else {
    return makeStackedDelim(delim, height, center, options, mode, classes);
  }
};
var makeLeftRightDelim = function makeLeftRightDelim2(delim, height, depth, options, mode, classes) {
  var axisHeight = options.fontMetrics().axisHeight * options.sizeMultiplier;
  var delimiterFactor = 901;
  var delimiterExtend = 5 / options.fontMetrics().ptPerEm;
  var maxDistFromAxis = Math.max(height - axisHeight, depth + axisHeight);
  var totalHeight = Math.max(maxDistFromAxis / 500 * delimiterFactor, 2 * maxDistFromAxis - delimiterExtend);
  return makeCustomSizedDelim(delim, totalHeight, true, options, mode, classes);
};
var delimiter = {
  sqrtImage: makeSqrtImage,
  sizedDelim: makeSizedDelim,
  sizeToMaxHeight,
  customSizedDelim: makeCustomSizedDelim,
  leftRightDelim: makeLeftRightDelim
};
var delimiterSizes = {
  "\\bigl": {
    mclass: "mopen",
    size: 1
  },
  "\\Bigl": {
    mclass: "mopen",
    size: 2
  },
  "\\biggl": {
    mclass: "mopen",
    size: 3
  },
  "\\Biggl": {
    mclass: "mopen",
    size: 4
  },
  "\\bigr": {
    mclass: "mclose",
    size: 1
  },
  "\\Bigr": {
    mclass: "mclose",
    size: 2
  },
  "\\biggr": {
    mclass: "mclose",
    size: 3
  },
  "\\Biggr": {
    mclass: "mclose",
    size: 4
  },
  "\\bigm": {
    mclass: "mrel",
    size: 1
  },
  "\\Bigm": {
    mclass: "mrel",
    size: 2
  },
  "\\biggm": {
    mclass: "mrel",
    size: 3
  },
  "\\Biggm": {
    mclass: "mrel",
    size: 4
  },
  "\\big": {
    mclass: "mord",
    size: 1
  },
  "\\Big": {
    mclass: "mord",
    size: 2
  },
  "\\bigg": {
    mclass: "mord",
    size: 3
  },
  "\\Bigg": {
    mclass: "mord",
    size: 4
  }
};
var delimiters = ["(", "\\lparen", ")", "\\rparen", "[", "\\lbrack", "]", "\\rbrack", "\\{", "\\lbrace", "\\}", "\\rbrace", "\\lfloor", "\\rfloor", "\u230A", "\u230B", "\\lceil", "\\rceil", "\u2308", "\u2309", "<", ">", "\\langle", "\u27E8", "\\rangle", "\u27E9", "\\lt", "\\gt", "\\lvert", "\\rvert", "\\lVert", "\\rVert", "\\lgroup", "\\rgroup", "\u27EE", "\u27EF", "\\lmoustache", "\\rmoustache", "\u23B0", "\u23B1", "/", "\\backslash", "|", "\\vert", "\\|", "\\Vert", "\\uparrow", "\\Uparrow", "\\downarrow", "\\Downarrow", "\\updownarrow", "\\Updownarrow", "."];
function checkDelimiter(delim, context) {
  var symDelim = checkSymbolNodeType(delim);
  if (symDelim && utils.contains(delimiters, symDelim.text)) {
    return symDelim;
  } else if (symDelim) {
    throw new ParseError("Invalid delimiter '" + symDelim.text + "' after '" + context.funcName + "'", delim);
  } else {
    throw new ParseError("Invalid delimiter type '" + delim.type + "'", delim);
  }
}
defineFunction({
  type: "delimsizing",
  names: ["\\bigl", "\\Bigl", "\\biggl", "\\Biggl", "\\bigr", "\\Bigr", "\\biggr", "\\Biggr", "\\bigm", "\\Bigm", "\\biggm", "\\Biggm", "\\big", "\\Big", "\\bigg", "\\Bigg"],
  props: {
    numArgs: 1,
    argTypes: ["primitive"]
  },
  handler: (context, args) => {
    var delim = checkDelimiter(args[0], context);
    return {
      type: "delimsizing",
      mode: context.parser.mode,
      size: delimiterSizes[context.funcName].size,
      mclass: delimiterSizes[context.funcName].mclass,
      delim: delim.text
    };
  },
  htmlBuilder: (group, options) => {
    if (group.delim === ".") {
      return buildCommon.makeSpan([group.mclass]);
    }
    return delimiter.sizedDelim(group.delim, group.size, options, group.mode, [group.mclass]);
  },
  mathmlBuilder: (group) => {
    var children = [];
    if (group.delim !== ".") {
      children.push(makeText(group.delim, group.mode));
    }
    var node = new mathMLTree.MathNode("mo", children);
    if (group.mclass === "mopen" || group.mclass === "mclose") {
      node.setAttribute("fence", "true");
    } else {
      node.setAttribute("fence", "false");
    }
    node.setAttribute("stretchy", "true");
    var size = makeEm(delimiter.sizeToMaxHeight[group.size]);
    node.setAttribute("minsize", size);
    node.setAttribute("maxsize", size);
    return node;
  }
});
function assertParsed(group) {
  if (!group.body) {
    throw new Error("Bug: The leftright ParseNode wasn't fully parsed.");
  }
}
defineFunction({
  type: "leftright-right",
  names: ["\\right"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler: (context, args) => {
    var color = context.parser.gullet.macros.get("\\current@color");
    if (color && typeof color !== "string") {
      throw new ParseError("\\current@color set to non-string in \\right");
    }
    return {
      type: "leftright-right",
      mode: context.parser.mode,
      delim: checkDelimiter(args[0], context).text,
      color
    };
  }
});
defineFunction({
  type: "leftright",
  names: ["\\left"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler: (context, args) => {
    var delim = checkDelimiter(args[0], context);
    var parser = context.parser;
    ++parser.leftrightDepth;
    var body = parser.parseExpression(false);
    --parser.leftrightDepth;
    parser.expect("\\right", false);
    var right = assertNodeType(parser.parseFunction(), "leftright-right");
    return {
      type: "leftright",
      mode: parser.mode,
      body,
      left: delim.text,
      right: right.delim,
      rightColor: right.color
    };
  },
  htmlBuilder: (group, options) => {
    assertParsed(group);
    var inner2 = buildExpression$1(group.body, options, true, ["mopen", "mclose"]);
    var innerHeight = 0;
    var innerDepth = 0;
    var hadMiddle = false;
    for (var i = 0; i < inner2.length; i++) {
      if (inner2[i].isMiddle) {
        hadMiddle = true;
      } else {
        innerHeight = Math.max(inner2[i].height, innerHeight);
        innerDepth = Math.max(inner2[i].depth, innerDepth);
      }
    }
    innerHeight *= options.sizeMultiplier;
    innerDepth *= options.sizeMultiplier;
    var leftDelim;
    if (group.left === ".") {
      leftDelim = makeNullDelimiter(options, ["mopen"]);
    } else {
      leftDelim = delimiter.leftRightDelim(group.left, innerHeight, innerDepth, options, group.mode, ["mopen"]);
    }
    inner2.unshift(leftDelim);
    if (hadMiddle) {
      for (var _i = 1; _i < inner2.length; _i++) {
        var middleDelim = inner2[_i];
        var isMiddle = middleDelim.isMiddle;
        if (isMiddle) {
          inner2[_i] = delimiter.leftRightDelim(isMiddle.delim, innerHeight, innerDepth, isMiddle.options, group.mode, []);
        }
      }
    }
    var rightDelim;
    if (group.right === ".") {
      rightDelim = makeNullDelimiter(options, ["mclose"]);
    } else {
      var colorOptions = group.rightColor ? options.withColor(group.rightColor) : options;
      rightDelim = delimiter.leftRightDelim(group.right, innerHeight, innerDepth, colorOptions, group.mode, ["mclose"]);
    }
    inner2.push(rightDelim);
    return buildCommon.makeSpan(["minner"], inner2, options);
  },
  mathmlBuilder: (group, options) => {
    assertParsed(group);
    var inner2 = buildExpression2(group.body, options);
    if (group.left !== ".") {
      var leftNode = new mathMLTree.MathNode("mo", [makeText(group.left, group.mode)]);
      leftNode.setAttribute("fence", "true");
      inner2.unshift(leftNode);
    }
    if (group.right !== ".") {
      var rightNode = new mathMLTree.MathNode("mo", [makeText(group.right, group.mode)]);
      rightNode.setAttribute("fence", "true");
      if (group.rightColor) {
        rightNode.setAttribute("mathcolor", group.rightColor);
      }
      inner2.push(rightNode);
    }
    return makeRow(inner2);
  }
});
defineFunction({
  type: "middle",
  names: ["\\middle"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler: (context, args) => {
    var delim = checkDelimiter(args[0], context);
    if (!context.parser.leftrightDepth) {
      throw new ParseError("\\middle without preceding \\left", delim);
    }
    return {
      type: "middle",
      mode: context.parser.mode,
      delim: delim.text
    };
  },
  htmlBuilder: (group, options) => {
    var middleDelim;
    if (group.delim === ".") {
      middleDelim = makeNullDelimiter(options, []);
    } else {
      middleDelim = delimiter.sizedDelim(group.delim, 1, options, group.mode, []);
      var isMiddle = {
        delim: group.delim,
        options
      };
      middleDelim.isMiddle = isMiddle;
    }
    return middleDelim;
  },
  mathmlBuilder: (group, options) => {
    var textNode = group.delim === "\\vert" || group.delim === "|" ? makeText("|", "text") : makeText(group.delim, group.mode);
    var middleNode = new mathMLTree.MathNode("mo", [textNode]);
    middleNode.setAttribute("fence", "true");
    middleNode.setAttribute("lspace", "0.05em");
    middleNode.setAttribute("rspace", "0.05em");
    return middleNode;
  }
});
var htmlBuilder$8 = (group, options) => {
  var inner2 = buildCommon.wrapFragment(buildGroup$1(group.body, options), options);
  var label = group.label.substr(1);
  var scale = options.sizeMultiplier;
  var img;
  var imgShift = 0;
  var isSingleChar = utils.isCharacterBox(group.body);
  if (label === "sout") {
    img = buildCommon.makeSpan(["stretchy", "sout"]);
    img.height = options.fontMetrics().defaultRuleThickness / scale;
    imgShift = -0.5 * options.fontMetrics().xHeight;
  } else if (label === "phase") {
    var lineWeight = calculateSize({
      number: 0.6,
      unit: "pt"
    }, options);
    var clearance = calculateSize({
      number: 0.35,
      unit: "ex"
    }, options);
    var newOptions = options.havingBaseSizing();
    scale = scale / newOptions.sizeMultiplier;
    var angleHeight = inner2.height + inner2.depth + lineWeight + clearance;
    inner2.style.paddingLeft = makeEm(angleHeight / 2 + lineWeight);
    var viewBoxHeight = Math.floor(1e3 * angleHeight * scale);
    var path2 = phasePath(viewBoxHeight);
    var svgNode = new SvgNode([new PathNode("phase", path2)], {
      "width": "400em",
      "height": makeEm(viewBoxHeight / 1e3),
      "viewBox": "0 0 400000 " + viewBoxHeight,
      "preserveAspectRatio": "xMinYMin slice"
    });
    img = buildCommon.makeSvgSpan(["hide-tail"], [svgNode], options);
    img.style.height = makeEm(angleHeight);
    imgShift = inner2.depth + lineWeight + clearance;
  } else {
    if (/cancel/.test(label)) {
      if (!isSingleChar) {
        inner2.classes.push("cancel-pad");
      }
    } else if (label === "angl") {
      inner2.classes.push("anglpad");
    } else {
      inner2.classes.push("boxpad");
    }
    var topPad = 0;
    var bottomPad = 0;
    var ruleThickness = 0;
    if (/box/.test(label)) {
      ruleThickness = Math.max(options.fontMetrics().fboxrule, options.minRuleThickness);
      topPad = options.fontMetrics().fboxsep + (label === "colorbox" ? 0 : ruleThickness);
      bottomPad = topPad;
    } else if (label === "angl") {
      ruleThickness = Math.max(options.fontMetrics().defaultRuleThickness, options.minRuleThickness);
      topPad = 4 * ruleThickness;
      bottomPad = Math.max(0, 0.25 - inner2.depth);
    } else {
      topPad = isSingleChar ? 0.2 : 0;
      bottomPad = topPad;
    }
    img = stretchy.encloseSpan(inner2, label, topPad, bottomPad, options);
    if (/fbox|boxed|fcolorbox/.test(label)) {
      img.style.borderStyle = "solid";
      img.style.borderWidth = makeEm(ruleThickness);
    } else if (label === "angl" && ruleThickness !== 0.049) {
      img.style.borderTopWidth = makeEm(ruleThickness);
      img.style.borderRightWidth = makeEm(ruleThickness);
    }
    imgShift = inner2.depth + bottomPad;
    if (group.backgroundColor) {
      img.style.backgroundColor = group.backgroundColor;
      if (group.borderColor) {
        img.style.borderColor = group.borderColor;
      }
    }
  }
  var vlist;
  if (group.backgroundColor) {
    vlist = buildCommon.makeVList({
      positionType: "individualShift",
      children: [
        {
          type: "elem",
          elem: img,
          shift: imgShift
        },
        {
          type: "elem",
          elem: inner2,
          shift: 0
        }
      ]
    }, options);
  } else {
    var classes = /cancel|phase/.test(label) ? ["svg-align"] : [];
    vlist = buildCommon.makeVList({
      positionType: "individualShift",
      children: [
        {
          type: "elem",
          elem: inner2,
          shift: 0
        },
        {
          type: "elem",
          elem: img,
          shift: imgShift,
          wrapperClasses: classes
        }
      ]
    }, options);
  }
  if (/cancel/.test(label)) {
    vlist.height = inner2.height;
    vlist.depth = inner2.depth;
  }
  if (/cancel/.test(label) && !isSingleChar) {
    return buildCommon.makeSpan(["mord", "cancel-lap"], [vlist], options);
  } else {
    return buildCommon.makeSpan(["mord"], [vlist], options);
  }
};
var mathmlBuilder$7 = (group, options) => {
  var fboxsep = 0;
  var node = new mathMLTree.MathNode(group.label.indexOf("colorbox") > -1 ? "mpadded" : "menclose", [buildGroup2(group.body, options)]);
  switch (group.label) {
    case "\\cancel":
      node.setAttribute("notation", "updiagonalstrike");
      break;
    case "\\bcancel":
      node.setAttribute("notation", "downdiagonalstrike");
      break;
    case "\\phase":
      node.setAttribute("notation", "phasorangle");
      break;
    case "\\sout":
      node.setAttribute("notation", "horizontalstrike");
      break;
    case "\\fbox":
      node.setAttribute("notation", "box");
      break;
    case "\\angl":
      node.setAttribute("notation", "actuarial");
      break;
    case "\\fcolorbox":
    case "\\colorbox":
      fboxsep = options.fontMetrics().fboxsep * options.fontMetrics().ptPerEm;
      node.setAttribute("width", "+" + 2 * fboxsep + "pt");
      node.setAttribute("height", "+" + 2 * fboxsep + "pt");
      node.setAttribute("lspace", fboxsep + "pt");
      node.setAttribute("voffset", fboxsep + "pt");
      if (group.label === "\\fcolorbox") {
        var thk = Math.max(options.fontMetrics().fboxrule, options.minRuleThickness);
        node.setAttribute("style", "border: " + thk + "em solid " + String(group.borderColor));
      }
      break;
    case "\\xcancel":
      node.setAttribute("notation", "updiagonalstrike downdiagonalstrike");
      break;
  }
  if (group.backgroundColor) {
    node.setAttribute("mathbackground", group.backgroundColor);
  }
  return node;
};
defineFunction({
  type: "enclose",
  names: ["\\colorbox"],
  props: {
    numArgs: 2,
    allowedInText: true,
    argTypes: ["color", "text"]
  },
  handler(_ref, args, optArgs) {
    var {
      parser,
      funcName
    } = _ref;
    var color = assertNodeType(args[0], "color-token").color;
    var body = args[1];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      backgroundColor: color,
      body
    };
  },
  htmlBuilder: htmlBuilder$8,
  mathmlBuilder: mathmlBuilder$7
});
defineFunction({
  type: "enclose",
  names: ["\\fcolorbox"],
  props: {
    numArgs: 3,
    allowedInText: true,
    argTypes: ["color", "color", "text"]
  },
  handler(_ref2, args, optArgs) {
    var {
      parser,
      funcName
    } = _ref2;
    var borderColor = assertNodeType(args[0], "color-token").color;
    var backgroundColor = assertNodeType(args[1], "color-token").color;
    var body = args[2];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      backgroundColor,
      borderColor,
      body
    };
  },
  htmlBuilder: htmlBuilder$8,
  mathmlBuilder: mathmlBuilder$7
});
defineFunction({
  type: "enclose",
  names: ["\\fbox"],
  props: {
    numArgs: 1,
    argTypes: ["hbox"],
    allowedInText: true
  },
  handler(_ref3, args) {
    var {
      parser
    } = _ref3;
    return {
      type: "enclose",
      mode: parser.mode,
      label: "\\fbox",
      body: args[0]
    };
  }
});
defineFunction({
  type: "enclose",
  names: ["\\cancel", "\\bcancel", "\\xcancel", "\\sout", "\\phase"],
  props: {
    numArgs: 1
  },
  handler(_ref4, args) {
    var {
      parser,
      funcName
    } = _ref4;
    var body = args[0];
    return {
      type: "enclose",
      mode: parser.mode,
      label: funcName,
      body
    };
  },
  htmlBuilder: htmlBuilder$8,
  mathmlBuilder: mathmlBuilder$7
});
defineFunction({
  type: "enclose",
  names: ["\\angl"],
  props: {
    numArgs: 1,
    argTypes: ["hbox"],
    allowedInText: false
  },
  handler(_ref5, args) {
    var {
      parser
    } = _ref5;
    return {
      type: "enclose",
      mode: parser.mode,
      label: "\\angl",
      body: args[0]
    };
  }
});
var _environments = {};
function defineEnvironment(_ref) {
  var {
    type,
    names,
    props,
    handler,
    htmlBuilder: htmlBuilder3,
    mathmlBuilder: mathmlBuilder3
  } = _ref;
  var data = {
    type,
    numArgs: props.numArgs || 0,
    allowedInText: false,
    numOptionalArgs: 0,
    handler
  };
  for (var i = 0; i < names.length; ++i) {
    _environments[names[i]] = data;
  }
  if (htmlBuilder3) {
    _htmlGroupBuilders[type] = htmlBuilder3;
  }
  if (mathmlBuilder3) {
    _mathmlGroupBuilders[type] = mathmlBuilder3;
  }
}
var _macros = {};
function defineMacro(name, body) {
  _macros[name] = body;
}
function getHLines(parser) {
  var hlineInfo = [];
  parser.consumeSpaces();
  var nxt = parser.fetch().text;
  while (nxt === "\\hline" || nxt === "\\hdashline") {
    parser.consume();
    hlineInfo.push(nxt === "\\hdashline");
    parser.consumeSpaces();
    nxt = parser.fetch().text;
  }
  return hlineInfo;
}
var validateAmsEnvironmentContext = (context) => {
  var settings = context.parser.settings;
  if (!settings.displayMode) {
    throw new ParseError("{" + context.envName + "} can be used only in display mode.");
  }
};
function getAutoTag(name) {
  if (name.indexOf("ed") === -1) {
    return name.indexOf("*") === -1;
  }
}
function parseArray(parser, _ref, style) {
  var {
    hskipBeforeAndAfter,
    addJot,
    cols,
    arraystretch,
    colSeparationType,
    autoTag,
    singleRow,
    emptySingleRow,
    maxNumCols,
    leqno
  } = _ref;
  parser.gullet.beginGroup();
  if (!singleRow) {
    parser.gullet.macros.set("\\cr", "\\\\\\relax");
  }
  if (!arraystretch) {
    var stretch = parser.gullet.expandMacroAsText("\\arraystretch");
    if (stretch == null) {
      arraystretch = 1;
    } else {
      arraystretch = parseFloat(stretch);
      if (!arraystretch || arraystretch < 0) {
        throw new ParseError("Invalid \\arraystretch: " + stretch);
      }
    }
  }
  parser.gullet.beginGroup();
  var row = [];
  var body = [row];
  var rowGaps = [];
  var hLinesBeforeRow = [];
  var tags = autoTag != null ? [] : void 0;
  function beginRow() {
    if (autoTag) {
      parser.gullet.macros.set("\\@eqnsw", "1", true);
    }
  }
  function endRow() {
    if (tags) {
      if (parser.gullet.macros.get("\\df@tag")) {
        tags.push(parser.subparse([new Token("\\df@tag")]));
        parser.gullet.macros.set("\\df@tag", void 0, true);
      } else {
        tags.push(Boolean(autoTag) && parser.gullet.macros.get("\\@eqnsw") === "1");
      }
    }
  }
  beginRow();
  hLinesBeforeRow.push(getHLines(parser));
  while (true) {
    var cell = parser.parseExpression(false, singleRow ? "\\end" : "\\\\");
    parser.gullet.endGroup();
    parser.gullet.beginGroup();
    cell = {
      type: "ordgroup",
      mode: parser.mode,
      body: cell
    };
    if (style) {
      cell = {
        type: "styling",
        mode: parser.mode,
        style,
        body: [cell]
      };
    }
    row.push(cell);
    var next = parser.fetch().text;
    if (next === "&") {
      if (maxNumCols && row.length === maxNumCols) {
        if (singleRow || colSeparationType) {
          throw new ParseError("Too many tab characters: &", parser.nextToken);
        } else {
          parser.settings.reportNonstrict("textEnv", "Too few columns specified in the {array} column argument.");
        }
      }
      parser.consume();
    } else if (next === "\\end") {
      endRow();
      if (row.length === 1 && cell.type === "styling" && cell.body[0].body.length === 0 && (body.length > 1 || !emptySingleRow)) {
        body.pop();
      }
      if (hLinesBeforeRow.length < body.length + 1) {
        hLinesBeforeRow.push([]);
      }
      break;
    } else if (next === "\\\\") {
      parser.consume();
      var size = void 0;
      if (parser.gullet.future().text !== " ") {
        size = parser.parseSizeGroup(true);
      }
      rowGaps.push(size ? size.value : null);
      endRow();
      hLinesBeforeRow.push(getHLines(parser));
      row = [];
      body.push(row);
      beginRow();
    } else {
      throw new ParseError("Expected & or \\\\ or \\cr or \\end", parser.nextToken);
    }
  }
  parser.gullet.endGroup();
  parser.gullet.endGroup();
  return {
    type: "array",
    mode: parser.mode,
    addJot,
    arraystretch,
    body,
    cols,
    rowGaps,
    hskipBeforeAndAfter,
    hLinesBeforeRow,
    colSeparationType,
    tags,
    leqno
  };
}
function dCellStyle(envName) {
  if (envName.substr(0, 1) === "d") {
    return "display";
  } else {
    return "text";
  }
}
var htmlBuilder$7 = function htmlBuilder(group, options) {
  var r;
  var c;
  var nr = group.body.length;
  var hLinesBeforeRow = group.hLinesBeforeRow;
  var nc = 0;
  var body = new Array(nr);
  var hlines = [];
  var ruleThickness = Math.max(options.fontMetrics().arrayRuleWidth, options.minRuleThickness);
  var pt = 1 / options.fontMetrics().ptPerEm;
  var arraycolsep = 5 * pt;
  if (group.colSeparationType && group.colSeparationType === "small") {
    var localMultiplier = options.havingStyle(Style$1.SCRIPT).sizeMultiplier;
    arraycolsep = 0.2778 * (localMultiplier / options.sizeMultiplier);
  }
  var baselineskip = group.colSeparationType === "CD" ? calculateSize({
    number: 3,
    unit: "ex"
  }, options) : 12 * pt;
  var jot = 3 * pt;
  var arrayskip = group.arraystretch * baselineskip;
  var arstrutHeight = 0.7 * arrayskip;
  var arstrutDepth = 0.3 * arrayskip;
  var totalHeight = 0;
  function setHLinePos(hlinesInGap) {
    for (var i = 0; i < hlinesInGap.length; ++i) {
      if (i > 0) {
        totalHeight += 0.25;
      }
      hlines.push({
        pos: totalHeight,
        isDashed: hlinesInGap[i]
      });
    }
  }
  setHLinePos(hLinesBeforeRow[0]);
  for (r = 0; r < group.body.length; ++r) {
    var inrow = group.body[r];
    var height = arstrutHeight;
    var depth = arstrutDepth;
    if (nc < inrow.length) {
      nc = inrow.length;
    }
    var outrow = new Array(inrow.length);
    for (c = 0; c < inrow.length; ++c) {
      var elt = buildGroup$1(inrow[c], options);
      if (depth < elt.depth) {
        depth = elt.depth;
      }
      if (height < elt.height) {
        height = elt.height;
      }
      outrow[c] = elt;
    }
    var rowGap = group.rowGaps[r];
    var gap = 0;
    if (rowGap) {
      gap = calculateSize(rowGap, options);
      if (gap > 0) {
        gap += arstrutDepth;
        if (depth < gap) {
          depth = gap;
        }
        gap = 0;
      }
    }
    if (group.addJot) {
      depth += jot;
    }
    outrow.height = height;
    outrow.depth = depth;
    totalHeight += height;
    outrow.pos = totalHeight;
    totalHeight += depth + gap;
    body[r] = outrow;
    setHLinePos(hLinesBeforeRow[r + 1]);
  }
  var offset = totalHeight / 2 + options.fontMetrics().axisHeight;
  var colDescriptions = group.cols || [];
  var cols = [];
  var colSep;
  var colDescrNum;
  var tagSpans = [];
  if (group.tags && group.tags.some((tag2) => tag2)) {
    for (r = 0; r < nr; ++r) {
      var rw = body[r];
      var shift = rw.pos - offset;
      var tag = group.tags[r];
      var tagSpan = void 0;
      if (tag === true) {
        tagSpan = buildCommon.makeSpan(["eqn-num"], [], options);
      } else if (tag === false) {
        tagSpan = buildCommon.makeSpan([], [], options);
      } else {
        tagSpan = buildCommon.makeSpan([], buildExpression$1(tag, options, true), options);
      }
      tagSpan.depth = rw.depth;
      tagSpan.height = rw.height;
      tagSpans.push({
        type: "elem",
        elem: tagSpan,
        shift
      });
    }
  }
  for (c = 0, colDescrNum = 0; c < nc || colDescrNum < colDescriptions.length; ++c, ++colDescrNum) {
    var colDescr = colDescriptions[colDescrNum] || {};
    var firstSeparator = true;
    while (colDescr.type === "separator") {
      if (!firstSeparator) {
        colSep = buildCommon.makeSpan(["arraycolsep"], []);
        colSep.style.width = makeEm(options.fontMetrics().doubleRuleSep);
        cols.push(colSep);
      }
      if (colDescr.separator === "|" || colDescr.separator === ":") {
        var lineType = colDescr.separator === "|" ? "solid" : "dashed";
        var separator = buildCommon.makeSpan(["vertical-separator"], [], options);
        separator.style.height = makeEm(totalHeight);
        separator.style.borderRightWidth = makeEm(ruleThickness);
        separator.style.borderRightStyle = lineType;
        separator.style.margin = "0 " + makeEm(-ruleThickness / 2);
        var _shift = totalHeight - offset;
        if (_shift) {
          separator.style.verticalAlign = makeEm(-_shift);
        }
        cols.push(separator);
      } else {
        throw new ParseError("Invalid separator type: " + colDescr.separator);
      }
      colDescrNum++;
      colDescr = colDescriptions[colDescrNum] || {};
      firstSeparator = false;
    }
    if (c >= nc) {
      continue;
    }
    var sepwidth = void 0;
    if (c > 0 || group.hskipBeforeAndAfter) {
      sepwidth = utils.deflt(colDescr.pregap, arraycolsep);
      if (sepwidth !== 0) {
        colSep = buildCommon.makeSpan(["arraycolsep"], []);
        colSep.style.width = makeEm(sepwidth);
        cols.push(colSep);
      }
    }
    var col = [];
    for (r = 0; r < nr; ++r) {
      var row = body[r];
      var elem = row[c];
      if (!elem) {
        continue;
      }
      var _shift2 = row.pos - offset;
      elem.depth = row.depth;
      elem.height = row.height;
      col.push({
        type: "elem",
        elem,
        shift: _shift2
      });
    }
    col = buildCommon.makeVList({
      positionType: "individualShift",
      children: col
    }, options);
    col = buildCommon.makeSpan(["col-align-" + (colDescr.align || "c")], [col]);
    cols.push(col);
    if (c < nc - 1 || group.hskipBeforeAndAfter) {
      sepwidth = utils.deflt(colDescr.postgap, arraycolsep);
      if (sepwidth !== 0) {
        colSep = buildCommon.makeSpan(["arraycolsep"], []);
        colSep.style.width = makeEm(sepwidth);
        cols.push(colSep);
      }
    }
  }
  body = buildCommon.makeSpan(["mtable"], cols);
  if (hlines.length > 0) {
    var line = buildCommon.makeLineSpan("hline", options, ruleThickness);
    var dashes = buildCommon.makeLineSpan("hdashline", options, ruleThickness);
    var vListElems = [{
      type: "elem",
      elem: body,
      shift: 0
    }];
    while (hlines.length > 0) {
      var hline = hlines.pop();
      var lineShift = hline.pos - offset;
      if (hline.isDashed) {
        vListElems.push({
          type: "elem",
          elem: dashes,
          shift: lineShift
        });
      } else {
        vListElems.push({
          type: "elem",
          elem: line,
          shift: lineShift
        });
      }
    }
    body = buildCommon.makeVList({
      positionType: "individualShift",
      children: vListElems
    }, options);
  }
  if (tagSpans.length === 0) {
    return buildCommon.makeSpan(["mord"], [body], options);
  } else {
    var eqnNumCol = buildCommon.makeVList({
      positionType: "individualShift",
      children: tagSpans
    }, options);
    eqnNumCol = buildCommon.makeSpan(["tag"], [eqnNumCol], options);
    return buildCommon.makeFragment([body, eqnNumCol]);
  }
};
var alignMap = {
  c: "center ",
  l: "left ",
  r: "right "
};
var mathmlBuilder$6 = function mathmlBuilder(group, options) {
  var tbl = [];
  var glue = new mathMLTree.MathNode("mtd", [], ["mtr-glue"]);
  var tag = new mathMLTree.MathNode("mtd", [], ["mml-eqn-num"]);
  for (var i = 0; i < group.body.length; i++) {
    var rw = group.body[i];
    var row = [];
    for (var j = 0; j < rw.length; j++) {
      row.push(new mathMLTree.MathNode("mtd", [buildGroup2(rw[j], options)]));
    }
    if (group.tags && group.tags[i]) {
      row.unshift(glue);
      row.push(glue);
      if (group.leqno) {
        row.unshift(tag);
      } else {
        row.push(tag);
      }
    }
    tbl.push(new mathMLTree.MathNode("mtr", row));
  }
  var table = new mathMLTree.MathNode("mtable", tbl);
  var gap = group.arraystretch === 0.5 ? 0.1 : 0.16 + group.arraystretch - 1 + (group.addJot ? 0.09 : 0);
  table.setAttribute("rowspacing", makeEm(gap));
  var menclose = "";
  var align = "";
  if (group.cols && group.cols.length > 0) {
    var cols = group.cols;
    var columnLines = "";
    var prevTypeWasAlign = false;
    var iStart = 0;
    var iEnd = cols.length;
    if (cols[0].type === "separator") {
      menclose += "top ";
      iStart = 1;
    }
    if (cols[cols.length - 1].type === "separator") {
      menclose += "bottom ";
      iEnd -= 1;
    }
    for (var _i = iStart; _i < iEnd; _i++) {
      if (cols[_i].type === "align") {
        align += alignMap[cols[_i].align];
        if (prevTypeWasAlign) {
          columnLines += "none ";
        }
        prevTypeWasAlign = true;
      } else if (cols[_i].type === "separator") {
        if (prevTypeWasAlign) {
          columnLines += cols[_i].separator === "|" ? "solid " : "dashed ";
          prevTypeWasAlign = false;
        }
      }
    }
    table.setAttribute("columnalign", align.trim());
    if (/[sd]/.test(columnLines)) {
      table.setAttribute("columnlines", columnLines.trim());
    }
  }
  if (group.colSeparationType === "align") {
    var _cols = group.cols || [];
    var spacing2 = "";
    for (var _i2 = 1; _i2 < _cols.length; _i2++) {
      spacing2 += _i2 % 2 ? "0em " : "1em ";
    }
    table.setAttribute("columnspacing", spacing2.trim());
  } else if (group.colSeparationType === "alignat" || group.colSeparationType === "gather") {
    table.setAttribute("columnspacing", "0em");
  } else if (group.colSeparationType === "small") {
    table.setAttribute("columnspacing", "0.2778em");
  } else if (group.colSeparationType === "CD") {
    table.setAttribute("columnspacing", "0.5em");
  } else {
    table.setAttribute("columnspacing", "1em");
  }
  var rowLines = "";
  var hlines = group.hLinesBeforeRow;
  menclose += hlines[0].length > 0 ? "left " : "";
  menclose += hlines[hlines.length - 1].length > 0 ? "right " : "";
  for (var _i3 = 1; _i3 < hlines.length - 1; _i3++) {
    rowLines += hlines[_i3].length === 0 ? "none " : hlines[_i3][0] ? "dashed " : "solid ";
  }
  if (/[sd]/.test(rowLines)) {
    table.setAttribute("rowlines", rowLines.trim());
  }
  if (menclose !== "") {
    table = new mathMLTree.MathNode("menclose", [table]);
    table.setAttribute("notation", menclose.trim());
  }
  if (group.arraystretch && group.arraystretch < 1) {
    table = new mathMLTree.MathNode("mstyle", [table]);
    table.setAttribute("scriptlevel", "1");
  }
  return table;
};
var alignedHandler = function alignedHandler2(context, args) {
  if (context.envName.indexOf("ed") === -1) {
    validateAmsEnvironmentContext(context);
  }
  var cols = [];
  var separationType = context.envName.indexOf("at") > -1 ? "alignat" : "align";
  var isSplit = context.envName === "split";
  var res = parseArray(context.parser, {
    cols,
    addJot: true,
    autoTag: isSplit ? void 0 : getAutoTag(context.envName),
    emptySingleRow: true,
    colSeparationType: separationType,
    maxNumCols: isSplit ? 2 : void 0,
    leqno: context.parser.settings.leqno
  }, "display");
  var numMaths;
  var numCols = 0;
  var emptyGroup = {
    type: "ordgroup",
    mode: context.mode,
    body: []
  };
  if (args[0] && args[0].type === "ordgroup") {
    var arg0 = "";
    for (var i = 0; i < args[0].body.length; i++) {
      var textord2 = assertNodeType(args[0].body[i], "textord");
      arg0 += textord2.text;
    }
    numMaths = Number(arg0);
    numCols = numMaths * 2;
  }
  var isAligned = !numCols;
  res.body.forEach(function(row) {
    for (var _i4 = 1; _i4 < row.length; _i4 += 2) {
      var styling = assertNodeType(row[_i4], "styling");
      var ordgroup = assertNodeType(styling.body[0], "ordgroup");
      ordgroup.body.unshift(emptyGroup);
    }
    if (!isAligned) {
      var curMaths = row.length / 2;
      if (numMaths < curMaths) {
        throw new ParseError("Too many math in a row: " + ("expected " + numMaths + ", but got " + curMaths), row[0]);
      }
    } else if (numCols < row.length) {
      numCols = row.length;
    }
  });
  for (var _i5 = 0; _i5 < numCols; ++_i5) {
    var align = "r";
    var pregap = 0;
    if (_i5 % 2 === 1) {
      align = "l";
    } else if (_i5 > 0 && isAligned) {
      pregap = 1;
    }
    cols[_i5] = {
      type: "align",
      align,
      pregap,
      postgap: 0
    };
  }
  res.colSeparationType = isAligned ? "align" : "alignat";
  return res;
};
defineEnvironment({
  type: "array",
  names: ["array", "darray"],
  props: {
    numArgs: 1
  },
  handler(context, args) {
    var symNode = checkSymbolNodeType(args[0]);
    var colalign = symNode ? [args[0]] : assertNodeType(args[0], "ordgroup").body;
    var cols = colalign.map(function(nde) {
      var node = assertSymbolNodeType(nde);
      var ca = node.text;
      if ("lcr".indexOf(ca) !== -1) {
        return {
          type: "align",
          align: ca
        };
      } else if (ca === "|") {
        return {
          type: "separator",
          separator: "|"
        };
      } else if (ca === ":") {
        return {
          type: "separator",
          separator: ":"
        };
      }
      throw new ParseError("Unknown column alignment: " + ca, nde);
    });
    var res = {
      cols,
      hskipBeforeAndAfter: true,
      maxNumCols: cols.length
    };
    return parseArray(context.parser, res, dCellStyle(context.envName));
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["matrix", "pmatrix", "bmatrix", "Bmatrix", "vmatrix", "Vmatrix", "matrix*", "pmatrix*", "bmatrix*", "Bmatrix*", "vmatrix*", "Vmatrix*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    var delimiters2 = {
      "matrix": null,
      "pmatrix": ["(", ")"],
      "bmatrix": ["[", "]"],
      "Bmatrix": ["\\{", "\\}"],
      "vmatrix": ["|", "|"],
      "Vmatrix": ["\\Vert", "\\Vert"]
    }[context.envName.replace("*", "")];
    var colAlign = "c";
    var payload = {
      hskipBeforeAndAfter: false,
      cols: [{
        type: "align",
        align: colAlign
      }]
    };
    if (context.envName.charAt(context.envName.length - 1) === "*") {
      var parser = context.parser;
      parser.consumeSpaces();
      if (parser.fetch().text === "[") {
        parser.consume();
        parser.consumeSpaces();
        colAlign = parser.fetch().text;
        if ("lcr".indexOf(colAlign) === -1) {
          throw new ParseError("Expected l or c or r", parser.nextToken);
        }
        parser.consume();
        parser.consumeSpaces();
        parser.expect("]");
        parser.consume();
        payload.cols = [{
          type: "align",
          align: colAlign
        }];
      }
    }
    var res = parseArray(context.parser, payload, dCellStyle(context.envName));
    var numCols = Math.max(0, ...res.body.map((row) => row.length));
    res.cols = new Array(numCols).fill({
      type: "align",
      align: colAlign
    });
    return delimiters2 ? {
      type: "leftright",
      mode: context.mode,
      body: [res],
      left: delimiters2[0],
      right: delimiters2[1],
      rightColor: void 0
    } : res;
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["smallmatrix"],
  props: {
    numArgs: 0
  },
  handler(context) {
    var payload = {
      arraystretch: 0.5
    };
    var res = parseArray(context.parser, payload, "script");
    res.colSeparationType = "small";
    return res;
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["subarray"],
  props: {
    numArgs: 1
  },
  handler(context, args) {
    var symNode = checkSymbolNodeType(args[0]);
    var colalign = symNode ? [args[0]] : assertNodeType(args[0], "ordgroup").body;
    var cols = colalign.map(function(nde) {
      var node = assertSymbolNodeType(nde);
      var ca = node.text;
      if ("lc".indexOf(ca) !== -1) {
        return {
          type: "align",
          align: ca
        };
      }
      throw new ParseError("Unknown column alignment: " + ca, nde);
    });
    if (cols.length > 1) {
      throw new ParseError("{subarray} can contain only one column");
    }
    var res = {
      cols,
      hskipBeforeAndAfter: false,
      arraystretch: 0.5
    };
    res = parseArray(context.parser, res, "script");
    if (res.body.length > 0 && res.body[0].length > 1) {
      throw new ParseError("{subarray} can contain only one column");
    }
    return res;
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["cases", "dcases", "rcases", "drcases"],
  props: {
    numArgs: 0
  },
  handler(context) {
    var payload = {
      arraystretch: 1.2,
      cols: [{
        type: "align",
        align: "l",
        pregap: 0,
        postgap: 1
      }, {
        type: "align",
        align: "l",
        pregap: 0,
        postgap: 0
      }]
    };
    var res = parseArray(context.parser, payload, dCellStyle(context.envName));
    return {
      type: "leftright",
      mode: context.mode,
      body: [res],
      left: context.envName.indexOf("r") > -1 ? "." : "\\{",
      right: context.envName.indexOf("r") > -1 ? "\\}" : ".",
      rightColor: void 0
    };
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["align", "align*", "aligned", "split"],
  props: {
    numArgs: 0
  },
  handler: alignedHandler,
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["gathered", "gather", "gather*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    if (utils.contains(["gather", "gather*"], context.envName)) {
      validateAmsEnvironmentContext(context);
    }
    var res = {
      cols: [{
        type: "align",
        align: "c"
      }],
      addJot: true,
      colSeparationType: "gather",
      autoTag: getAutoTag(context.envName),
      emptySingleRow: true,
      leqno: context.parser.settings.leqno
    };
    return parseArray(context.parser, res, "display");
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["alignat", "alignat*", "alignedat"],
  props: {
    numArgs: 1
  },
  handler: alignedHandler,
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["equation", "equation*"],
  props: {
    numArgs: 0
  },
  handler(context) {
    validateAmsEnvironmentContext(context);
    var res = {
      autoTag: getAutoTag(context.envName),
      emptySingleRow: true,
      singleRow: true,
      maxNumCols: 1,
      leqno: context.parser.settings.leqno
    };
    return parseArray(context.parser, res, "display");
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineEnvironment({
  type: "array",
  names: ["CD"],
  props: {
    numArgs: 0
  },
  handler(context) {
    validateAmsEnvironmentContext(context);
    return parseCD(context.parser);
  },
  htmlBuilder: htmlBuilder$7,
  mathmlBuilder: mathmlBuilder$6
});
defineMacro("\\nonumber", "\\gdef\\@eqnsw{0}");
defineMacro("\\notag", "\\nonumber");
defineFunction({
  type: "text",
  names: ["\\hline", "\\hdashline"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: true
  },
  handler(context, args) {
    throw new ParseError(context.funcName + " valid only within array environment");
  }
});
var environments = _environments;
defineFunction({
  type: "environment",
  names: ["\\begin", "\\end"],
  props: {
    numArgs: 1,
    argTypes: ["text"]
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    var nameGroup = args[0];
    if (nameGroup.type !== "ordgroup") {
      throw new ParseError("Invalid environment name", nameGroup);
    }
    var envName = "";
    for (var i = 0; i < nameGroup.body.length; ++i) {
      envName += assertNodeType(nameGroup.body[i], "textord").text;
    }
    if (funcName === "\\begin") {
      if (!environments.hasOwnProperty(envName)) {
        throw new ParseError("No such environment: " + envName, nameGroup);
      }
      var env = environments[envName];
      var {
        args: _args,
        optArgs
      } = parser.parseArguments("\\begin{" + envName + "}", env);
      var context = {
        mode: parser.mode,
        envName,
        parser
      };
      var result = env.handler(context, _args, optArgs);
      parser.expect("\\end", false);
      var endNameToken = parser.nextToken;
      var end = assertNodeType(parser.parseFunction(), "environment");
      if (end.name !== envName) {
        throw new ParseError("Mismatch: \\begin{" + envName + "} matched by \\end{" + end.name + "}", endNameToken);
      }
      return result;
    }
    return {
      type: "environment",
      mode: parser.mode,
      name: envName,
      nameGroup
    };
  }
});
var makeSpan2 = buildCommon.makeSpan;
function htmlBuilder$6(group, options) {
  var elements = buildExpression$1(group.body, options, true);
  return makeSpan2([group.mclass], elements, options);
}
function mathmlBuilder$5(group, options) {
  var node;
  var inner2 = buildExpression2(group.body, options);
  if (group.mclass === "minner") {
    node = new mathMLTree.MathNode("mpadded", inner2);
  } else if (group.mclass === "mord") {
    if (group.isCharacterBox) {
      node = inner2[0];
      node.type = "mi";
    } else {
      node = new mathMLTree.MathNode("mi", inner2);
    }
  } else {
    if (group.isCharacterBox) {
      node = inner2[0];
      node.type = "mo";
    } else {
      node = new mathMLTree.MathNode("mo", inner2);
    }
    if (group.mclass === "mbin") {
      node.attributes.lspace = "0.22em";
      node.attributes.rspace = "0.22em";
    } else if (group.mclass === "mpunct") {
      node.attributes.lspace = "0em";
      node.attributes.rspace = "0.17em";
    } else if (group.mclass === "mopen" || group.mclass === "mclose") {
      node.attributes.lspace = "0em";
      node.attributes.rspace = "0em";
    } else if (group.mclass === "minner") {
      node.attributes.lspace = "0.0556em";
      node.attributes.width = "+0.1111em";
    }
  }
  return node;
}
defineFunction({
  type: "mclass",
  names: ["\\mathord", "\\mathbin", "\\mathrel", "\\mathopen", "\\mathclose", "\\mathpunct", "\\mathinner"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    var body = args[0];
    return {
      type: "mclass",
      mode: parser.mode,
      mclass: "m" + funcName.substr(5),
      body: ordargument(body),
      isCharacterBox: utils.isCharacterBox(body)
    };
  },
  htmlBuilder: htmlBuilder$6,
  mathmlBuilder: mathmlBuilder$5
});
var binrelClass = (arg) => {
  var atom = arg.type === "ordgroup" && arg.body.length ? arg.body[0] : arg;
  if (atom.type === "atom" && (atom.family === "bin" || atom.family === "rel")) {
    return "m" + atom.family;
  } else {
    return "mord";
  }
};
defineFunction({
  type: "mclass",
  names: ["\\@binrel"],
  props: {
    numArgs: 2
  },
  handler(_ref2, args) {
    var {
      parser
    } = _ref2;
    return {
      type: "mclass",
      mode: parser.mode,
      mclass: binrelClass(args[0]),
      body: ordargument(args[1]),
      isCharacterBox: utils.isCharacterBox(args[1])
    };
  }
});
defineFunction({
  type: "mclass",
  names: ["\\stackrel", "\\overset", "\\underset"],
  props: {
    numArgs: 2
  },
  handler(_ref3, args) {
    var {
      parser,
      funcName
    } = _ref3;
    var baseArg = args[1];
    var shiftedArg = args[0];
    var mclass;
    if (funcName !== "\\stackrel") {
      mclass = binrelClass(baseArg);
    } else {
      mclass = "mrel";
    }
    var baseOp = {
      type: "op",
      mode: baseArg.mode,
      limits: true,
      alwaysHandleSupSub: true,
      parentIsSupSub: false,
      symbol: false,
      suppressBaseShift: funcName !== "\\stackrel",
      body: ordargument(baseArg)
    };
    var supsub = {
      type: "supsub",
      mode: shiftedArg.mode,
      base: baseOp,
      sup: funcName === "\\underset" ? null : shiftedArg,
      sub: funcName === "\\underset" ? shiftedArg : null
    };
    return {
      type: "mclass",
      mode: parser.mode,
      mclass,
      body: [supsub],
      isCharacterBox: utils.isCharacterBox(supsub)
    };
  },
  htmlBuilder: htmlBuilder$6,
  mathmlBuilder: mathmlBuilder$5
});
var htmlBuilder$5 = (group, options) => {
  var font = group.font;
  var newOptions = options.withFont(font);
  return buildGroup$1(group.body, newOptions);
};
var mathmlBuilder$4 = (group, options) => {
  var font = group.font;
  var newOptions = options.withFont(font);
  return buildGroup2(group.body, newOptions);
};
var fontAliases = {
  "\\Bbb": "\\mathbb",
  "\\bold": "\\mathbf",
  "\\frak": "\\mathfrak",
  "\\bm": "\\boldsymbol"
};
defineFunction({
  type: "font",
  names: [
    "\\mathrm",
    "\\mathit",
    "\\mathbf",
    "\\mathnormal",
    "\\mathbb",
    "\\mathcal",
    "\\mathfrak",
    "\\mathscr",
    "\\mathsf",
    "\\mathtt",
    "\\Bbb",
    "\\bold",
    "\\frak"
  ],
  props: {
    numArgs: 1,
    allowedInArgument: true
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var body = normalizeArgument(args[0]);
    var func = funcName;
    if (func in fontAliases) {
      func = fontAliases[func];
    }
    return {
      type: "font",
      mode: parser.mode,
      font: func.slice(1),
      body
    };
  },
  htmlBuilder: htmlBuilder$5,
  mathmlBuilder: mathmlBuilder$4
});
defineFunction({
  type: "mclass",
  names: ["\\boldsymbol", "\\bm"],
  props: {
    numArgs: 1
  },
  handler: (_ref2, args) => {
    var {
      parser
    } = _ref2;
    var body = args[0];
    var isCharacterBox3 = utils.isCharacterBox(body);
    return {
      type: "mclass",
      mode: parser.mode,
      mclass: binrelClass(body),
      body: [{
        type: "font",
        mode: parser.mode,
        font: "boldsymbol",
        body
      }],
      isCharacterBox: isCharacterBox3
    };
  }
});
defineFunction({
  type: "font",
  names: ["\\rm", "\\sf", "\\tt", "\\bf", "\\it", "\\cal"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler: (_ref3, args) => {
    var {
      parser,
      funcName,
      breakOnTokenText
    } = _ref3;
    var {
      mode
    } = parser;
    var body = parser.parseExpression(true, breakOnTokenText);
    var style = "math" + funcName.slice(1);
    return {
      type: "font",
      mode,
      font: style,
      body: {
        type: "ordgroup",
        mode: parser.mode,
        body
      }
    };
  },
  htmlBuilder: htmlBuilder$5,
  mathmlBuilder: mathmlBuilder$4
});
var adjustStyle = (size, originalStyle) => {
  var style = originalStyle;
  if (size === "display") {
    style = style.id >= Style$1.SCRIPT.id ? style.text() : Style$1.DISPLAY;
  } else if (size === "text" && style.size === Style$1.DISPLAY.size) {
    style = Style$1.TEXT;
  } else if (size === "script") {
    style = Style$1.SCRIPT;
  } else if (size === "scriptscript") {
    style = Style$1.SCRIPTSCRIPT;
  }
  return style;
};
var htmlBuilder$4 = (group, options) => {
  var style = adjustStyle(group.size, options.style);
  var nstyle = style.fracNum();
  var dstyle = style.fracDen();
  var newOptions;
  newOptions = options.havingStyle(nstyle);
  var numerm = buildGroup$1(group.numer, newOptions, options);
  if (group.continued) {
    var hStrut = 8.5 / options.fontMetrics().ptPerEm;
    var dStrut = 3.5 / options.fontMetrics().ptPerEm;
    numerm.height = numerm.height < hStrut ? hStrut : numerm.height;
    numerm.depth = numerm.depth < dStrut ? dStrut : numerm.depth;
  }
  newOptions = options.havingStyle(dstyle);
  var denomm = buildGroup$1(group.denom, newOptions, options);
  var rule;
  var ruleWidth;
  var ruleSpacing;
  if (group.hasBarLine) {
    if (group.barSize) {
      ruleWidth = calculateSize(group.barSize, options);
      rule = buildCommon.makeLineSpan("frac-line", options, ruleWidth);
    } else {
      rule = buildCommon.makeLineSpan("frac-line", options);
    }
    ruleWidth = rule.height;
    ruleSpacing = rule.height;
  } else {
    rule = null;
    ruleWidth = 0;
    ruleSpacing = options.fontMetrics().defaultRuleThickness;
  }
  var numShift;
  var clearance;
  var denomShift;
  if (style.size === Style$1.DISPLAY.size || group.size === "display") {
    numShift = options.fontMetrics().num1;
    if (ruleWidth > 0) {
      clearance = 3 * ruleSpacing;
    } else {
      clearance = 7 * ruleSpacing;
    }
    denomShift = options.fontMetrics().denom1;
  } else {
    if (ruleWidth > 0) {
      numShift = options.fontMetrics().num2;
      clearance = ruleSpacing;
    } else {
      numShift = options.fontMetrics().num3;
      clearance = 3 * ruleSpacing;
    }
    denomShift = options.fontMetrics().denom2;
  }
  var frac;
  if (!rule) {
    var candidateClearance = numShift - numerm.depth - (denomm.height - denomShift);
    if (candidateClearance < clearance) {
      numShift += 0.5 * (clearance - candidateClearance);
      denomShift += 0.5 * (clearance - candidateClearance);
    }
    frac = buildCommon.makeVList({
      positionType: "individualShift",
      children: [{
        type: "elem",
        elem: denomm,
        shift: denomShift
      }, {
        type: "elem",
        elem: numerm,
        shift: -numShift
      }]
    }, options);
  } else {
    var axisHeight = options.fontMetrics().axisHeight;
    if (numShift - numerm.depth - (axisHeight + 0.5 * ruleWidth) < clearance) {
      numShift += clearance - (numShift - numerm.depth - (axisHeight + 0.5 * ruleWidth));
    }
    if (axisHeight - 0.5 * ruleWidth - (denomm.height - denomShift) < clearance) {
      denomShift += clearance - (axisHeight - 0.5 * ruleWidth - (denomm.height - denomShift));
    }
    var midShift = -(axisHeight - 0.5 * ruleWidth);
    frac = buildCommon.makeVList({
      positionType: "individualShift",
      children: [{
        type: "elem",
        elem: denomm,
        shift: denomShift
      }, {
        type: "elem",
        elem: rule,
        shift: midShift
      }, {
        type: "elem",
        elem: numerm,
        shift: -numShift
      }]
    }, options);
  }
  newOptions = options.havingStyle(style);
  frac.height *= newOptions.sizeMultiplier / options.sizeMultiplier;
  frac.depth *= newOptions.sizeMultiplier / options.sizeMultiplier;
  var delimSize;
  if (style.size === Style$1.DISPLAY.size) {
    delimSize = options.fontMetrics().delim1;
  } else if (style.size === Style$1.SCRIPTSCRIPT.size) {
    delimSize = options.havingStyle(Style$1.SCRIPT).fontMetrics().delim2;
  } else {
    delimSize = options.fontMetrics().delim2;
  }
  var leftDelim;
  var rightDelim;
  if (group.leftDelim == null) {
    leftDelim = makeNullDelimiter(options, ["mopen"]);
  } else {
    leftDelim = delimiter.customSizedDelim(group.leftDelim, delimSize, true, options.havingStyle(style), group.mode, ["mopen"]);
  }
  if (group.continued) {
    rightDelim = buildCommon.makeSpan([]);
  } else if (group.rightDelim == null) {
    rightDelim = makeNullDelimiter(options, ["mclose"]);
  } else {
    rightDelim = delimiter.customSizedDelim(group.rightDelim, delimSize, true, options.havingStyle(style), group.mode, ["mclose"]);
  }
  return buildCommon.makeSpan(["mord"].concat(newOptions.sizingClasses(options)), [leftDelim, buildCommon.makeSpan(["mfrac"], [frac]), rightDelim], options);
};
var mathmlBuilder$3 = (group, options) => {
  var node = new mathMLTree.MathNode("mfrac", [buildGroup2(group.numer, options), buildGroup2(group.denom, options)]);
  if (!group.hasBarLine) {
    node.setAttribute("linethickness", "0px");
  } else if (group.barSize) {
    var ruleWidth = calculateSize(group.barSize, options);
    node.setAttribute("linethickness", makeEm(ruleWidth));
  }
  var style = adjustStyle(group.size, options.style);
  if (style.size !== options.style.size) {
    node = new mathMLTree.MathNode("mstyle", [node]);
    var isDisplay = style.size === Style$1.DISPLAY.size ? "true" : "false";
    node.setAttribute("displaystyle", isDisplay);
    node.setAttribute("scriptlevel", "0");
  }
  if (group.leftDelim != null || group.rightDelim != null) {
    var withDelims = [];
    if (group.leftDelim != null) {
      var leftOp = new mathMLTree.MathNode("mo", [new mathMLTree.TextNode(group.leftDelim.replace("\\", ""))]);
      leftOp.setAttribute("fence", "true");
      withDelims.push(leftOp);
    }
    withDelims.push(node);
    if (group.rightDelim != null) {
      var rightOp = new mathMLTree.MathNode("mo", [new mathMLTree.TextNode(group.rightDelim.replace("\\", ""))]);
      rightOp.setAttribute("fence", "true");
      withDelims.push(rightOp);
    }
    return makeRow(withDelims);
  }
  return node;
};
defineFunction({
  type: "genfrac",
  names: [
    "\\dfrac",
    "\\frac",
    "\\tfrac",
    "\\dbinom",
    "\\binom",
    "\\tbinom",
    "\\\\atopfrac",
    "\\\\bracefrac",
    "\\\\brackfrac"
  ],
  props: {
    numArgs: 2,
    allowedInArgument: true
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var numer = args[0];
    var denom = args[1];
    var hasBarLine;
    var leftDelim = null;
    var rightDelim = null;
    var size = "auto";
    switch (funcName) {
      case "\\dfrac":
      case "\\frac":
      case "\\tfrac":
        hasBarLine = true;
        break;
      case "\\\\atopfrac":
        hasBarLine = false;
        break;
      case "\\dbinom":
      case "\\binom":
      case "\\tbinom":
        hasBarLine = false;
        leftDelim = "(";
        rightDelim = ")";
        break;
      case "\\\\bracefrac":
        hasBarLine = false;
        leftDelim = "\\{";
        rightDelim = "\\}";
        break;
      case "\\\\brackfrac":
        hasBarLine = false;
        leftDelim = "[";
        rightDelim = "]";
        break;
      default:
        throw new Error("Unrecognized genfrac command");
    }
    switch (funcName) {
      case "\\dfrac":
      case "\\dbinom":
        size = "display";
        break;
      case "\\tfrac":
      case "\\tbinom":
        size = "text";
        break;
    }
    return {
      type: "genfrac",
      mode: parser.mode,
      continued: false,
      numer,
      denom,
      hasBarLine,
      leftDelim,
      rightDelim,
      size,
      barSize: null
    };
  },
  htmlBuilder: htmlBuilder$4,
  mathmlBuilder: mathmlBuilder$3
});
defineFunction({
  type: "genfrac",
  names: ["\\cfrac"],
  props: {
    numArgs: 2
  },
  handler: (_ref2, args) => {
    var {
      parser,
      funcName
    } = _ref2;
    var numer = args[0];
    var denom = args[1];
    return {
      type: "genfrac",
      mode: parser.mode,
      continued: true,
      numer,
      denom,
      hasBarLine: true,
      leftDelim: null,
      rightDelim: null,
      size: "display",
      barSize: null
    };
  }
});
defineFunction({
  type: "infix",
  names: ["\\over", "\\choose", "\\atop", "\\brace", "\\brack"],
  props: {
    numArgs: 0,
    infix: true
  },
  handler(_ref3) {
    var {
      parser,
      funcName,
      token
    } = _ref3;
    var replaceWith;
    switch (funcName) {
      case "\\over":
        replaceWith = "\\frac";
        break;
      case "\\choose":
        replaceWith = "\\binom";
        break;
      case "\\atop":
        replaceWith = "\\\\atopfrac";
        break;
      case "\\brace":
        replaceWith = "\\\\bracefrac";
        break;
      case "\\brack":
        replaceWith = "\\\\brackfrac";
        break;
      default:
        throw new Error("Unrecognized infix genfrac command");
    }
    return {
      type: "infix",
      mode: parser.mode,
      replaceWith,
      token
    };
  }
});
var stylArray = ["display", "text", "script", "scriptscript"];
var delimFromValue = function delimFromValue2(delimString) {
  var delim = null;
  if (delimString.length > 0) {
    delim = delimString;
    delim = delim === "." ? null : delim;
  }
  return delim;
};
defineFunction({
  type: "genfrac",
  names: ["\\genfrac"],
  props: {
    numArgs: 6,
    allowedInArgument: true,
    argTypes: ["math", "math", "size", "text", "math", "math"]
  },
  handler(_ref4, args) {
    var {
      parser
    } = _ref4;
    var numer = args[4];
    var denom = args[5];
    var leftNode = normalizeArgument(args[0]);
    var leftDelim = leftNode.type === "atom" && leftNode.family === "open" ? delimFromValue(leftNode.text) : null;
    var rightNode = normalizeArgument(args[1]);
    var rightDelim = rightNode.type === "atom" && rightNode.family === "close" ? delimFromValue(rightNode.text) : null;
    var barNode = assertNodeType(args[2], "size");
    var hasBarLine;
    var barSize = null;
    if (barNode.isBlank) {
      hasBarLine = true;
    } else {
      barSize = barNode.value;
      hasBarLine = barSize.number > 0;
    }
    var size = "auto";
    var styl = args[3];
    if (styl.type === "ordgroup") {
      if (styl.body.length > 0) {
        var textOrd = assertNodeType(styl.body[0], "textord");
        size = stylArray[Number(textOrd.text)];
      }
    } else {
      styl = assertNodeType(styl, "textord");
      size = stylArray[Number(styl.text)];
    }
    return {
      type: "genfrac",
      mode: parser.mode,
      numer,
      denom,
      continued: false,
      hasBarLine,
      barSize,
      leftDelim,
      rightDelim,
      size
    };
  },
  htmlBuilder: htmlBuilder$4,
  mathmlBuilder: mathmlBuilder$3
});
defineFunction({
  type: "infix",
  names: ["\\above"],
  props: {
    numArgs: 1,
    argTypes: ["size"],
    infix: true
  },
  handler(_ref5, args) {
    var {
      parser,
      funcName,
      token
    } = _ref5;
    return {
      type: "infix",
      mode: parser.mode,
      replaceWith: "\\\\abovefrac",
      size: assertNodeType(args[0], "size").value,
      token
    };
  }
});
defineFunction({
  type: "genfrac",
  names: ["\\\\abovefrac"],
  props: {
    numArgs: 3,
    argTypes: ["math", "size", "math"]
  },
  handler: (_ref6, args) => {
    var {
      parser,
      funcName
    } = _ref6;
    var numer = args[0];
    var barSize = assert(assertNodeType(args[1], "infix").size);
    var denom = args[2];
    var hasBarLine = barSize.number > 0;
    return {
      type: "genfrac",
      mode: parser.mode,
      numer,
      denom,
      continued: false,
      hasBarLine,
      barSize,
      leftDelim: null,
      rightDelim: null,
      size: "auto"
    };
  },
  htmlBuilder: htmlBuilder$4,
  mathmlBuilder: mathmlBuilder$3
});
var htmlBuilder$3 = (grp, options) => {
  var style = options.style;
  var supSubGroup;
  var group;
  if (grp.type === "supsub") {
    supSubGroup = grp.sup ? buildGroup$1(grp.sup, options.havingStyle(style.sup()), options) : buildGroup$1(grp.sub, options.havingStyle(style.sub()), options);
    group = assertNodeType(grp.base, "horizBrace");
  } else {
    group = assertNodeType(grp, "horizBrace");
  }
  var body = buildGroup$1(group.base, options.havingBaseStyle(Style$1.DISPLAY));
  var braceBody = stretchy.svgSpan(group, options);
  var vlist;
  if (group.isOver) {
    vlist = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: body
      }, {
        type: "kern",
        size: 0.1
      }, {
        type: "elem",
        elem: braceBody
      }]
    }, options);
    vlist.children[0].children[0].children[1].classes.push("svg-align");
  } else {
    vlist = buildCommon.makeVList({
      positionType: "bottom",
      positionData: body.depth + 0.1 + braceBody.height,
      children: [{
        type: "elem",
        elem: braceBody
      }, {
        type: "kern",
        size: 0.1
      }, {
        type: "elem",
        elem: body
      }]
    }, options);
    vlist.children[0].children[0].children[0].classes.push("svg-align");
  }
  if (supSubGroup) {
    var vSpan = buildCommon.makeSpan(["mord", group.isOver ? "mover" : "munder"], [vlist], options);
    if (group.isOver) {
      vlist = buildCommon.makeVList({
        positionType: "firstBaseline",
        children: [{
          type: "elem",
          elem: vSpan
        }, {
          type: "kern",
          size: 0.2
        }, {
          type: "elem",
          elem: supSubGroup
        }]
      }, options);
    } else {
      vlist = buildCommon.makeVList({
        positionType: "bottom",
        positionData: vSpan.depth + 0.2 + supSubGroup.height + supSubGroup.depth,
        children: [{
          type: "elem",
          elem: supSubGroup
        }, {
          type: "kern",
          size: 0.2
        }, {
          type: "elem",
          elem: vSpan
        }]
      }, options);
    }
  }
  return buildCommon.makeSpan(["mord", group.isOver ? "mover" : "munder"], [vlist], options);
};
var mathmlBuilder$2 = (group, options) => {
  var accentNode = stretchy.mathMLnode(group.label);
  return new mathMLTree.MathNode(group.isOver ? "mover" : "munder", [buildGroup2(group.base, options), accentNode]);
};
defineFunction({
  type: "horizBrace",
  names: ["\\overbrace", "\\underbrace"],
  props: {
    numArgs: 1
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    return {
      type: "horizBrace",
      mode: parser.mode,
      label: funcName,
      isOver: /^\\over/.test(funcName),
      base: args[0]
    };
  },
  htmlBuilder: htmlBuilder$3,
  mathmlBuilder: mathmlBuilder$2
});
defineFunction({
  type: "href",
  names: ["\\href"],
  props: {
    numArgs: 2,
    argTypes: ["url", "original"],
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      parser
    } = _ref;
    var body = args[1];
    var href = assertNodeType(args[0], "url").url;
    if (!parser.settings.isTrusted({
      command: "\\href",
      url: href
    })) {
      return parser.formatUnsupportedCmd("\\href");
    }
    return {
      type: "href",
      mode: parser.mode,
      href,
      body: ordargument(body)
    };
  },
  htmlBuilder: (group, options) => {
    var elements = buildExpression$1(group.body, options, false);
    return buildCommon.makeAnchor(group.href, [], elements, options);
  },
  mathmlBuilder: (group, options) => {
    var math2 = buildExpressionRow(group.body, options);
    if (!(math2 instanceof MathNode)) {
      math2 = new MathNode("mrow", [math2]);
    }
    math2.setAttribute("href", group.href);
    return math2;
  }
});
defineFunction({
  type: "href",
  names: ["\\url"],
  props: {
    numArgs: 1,
    argTypes: ["url"],
    allowedInText: true
  },
  handler: (_ref2, args) => {
    var {
      parser
    } = _ref2;
    var href = assertNodeType(args[0], "url").url;
    if (!parser.settings.isTrusted({
      command: "\\url",
      url: href
    })) {
      return parser.formatUnsupportedCmd("\\url");
    }
    var chars = [];
    for (var i = 0; i < href.length; i++) {
      var c = href[i];
      if (c === "~") {
        c = "\\textasciitilde";
      }
      chars.push({
        type: "textord",
        mode: "text",
        text: c
      });
    }
    var body = {
      type: "text",
      mode: parser.mode,
      font: "\\texttt",
      body: chars
    };
    return {
      type: "href",
      mode: parser.mode,
      href,
      body: ordargument(body)
    };
  }
});
defineFunction({
  type: "hbox",
  names: ["\\hbox"],
  props: {
    numArgs: 1,
    argTypes: ["text"],
    allowedInText: true,
    primitive: true
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    return {
      type: "hbox",
      mode: parser.mode,
      body: ordargument(args[0])
    };
  },
  htmlBuilder(group, options) {
    var elements = buildExpression$1(group.body, options, false);
    return buildCommon.makeFragment(elements);
  },
  mathmlBuilder(group, options) {
    return new mathMLTree.MathNode("mrow", buildExpression2(group.body, options));
  }
});
defineFunction({
  type: "html",
  names: ["\\htmlClass", "\\htmlId", "\\htmlStyle", "\\htmlData"],
  props: {
    numArgs: 2,
    argTypes: ["raw", "original"],
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName,
      token
    } = _ref;
    var value = assertNodeType(args[0], "raw").string;
    var body = args[1];
    if (parser.settings.strict) {
      parser.settings.reportNonstrict("htmlExtension", "HTML extension is disabled on strict mode");
    }
    var trustContext;
    var attributes = {};
    switch (funcName) {
      case "\\htmlClass":
        attributes.class = value;
        trustContext = {
          command: "\\htmlClass",
          class: value
        };
        break;
      case "\\htmlId":
        attributes.id = value;
        trustContext = {
          command: "\\htmlId",
          id: value
        };
        break;
      case "\\htmlStyle":
        attributes.style = value;
        trustContext = {
          command: "\\htmlStyle",
          style: value
        };
        break;
      case "\\htmlData": {
        var data = value.split(",");
        for (var i = 0; i < data.length; i++) {
          var keyVal = data[i].split("=");
          if (keyVal.length !== 2) {
            throw new ParseError("Error parsing key-value for \\htmlData");
          }
          attributes["data-" + keyVal[0].trim()] = keyVal[1].trim();
        }
        trustContext = {
          command: "\\htmlData",
          attributes
        };
        break;
      }
      default:
        throw new Error("Unrecognized html command");
    }
    if (!parser.settings.isTrusted(trustContext)) {
      return parser.formatUnsupportedCmd(funcName);
    }
    return {
      type: "html",
      mode: parser.mode,
      attributes,
      body: ordargument(body)
    };
  },
  htmlBuilder: (group, options) => {
    var elements = buildExpression$1(group.body, options, false);
    var classes = ["enclosing"];
    if (group.attributes.class) {
      classes.push(...group.attributes.class.trim().split(/\s+/));
    }
    var span = buildCommon.makeSpan(classes, elements, options);
    for (var attr in group.attributes) {
      if (attr !== "class" && group.attributes.hasOwnProperty(attr)) {
        span.setAttribute(attr, group.attributes[attr]);
      }
    }
    return span;
  },
  mathmlBuilder: (group, options) => {
    return buildExpressionRow(group.body, options);
  }
});
defineFunction({
  type: "htmlmathml",
  names: ["\\html@mathml"],
  props: {
    numArgs: 2,
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      parser
    } = _ref;
    return {
      type: "htmlmathml",
      mode: parser.mode,
      html: ordargument(args[0]),
      mathml: ordargument(args[1])
    };
  },
  htmlBuilder: (group, options) => {
    var elements = buildExpression$1(group.html, options, false);
    return buildCommon.makeFragment(elements);
  },
  mathmlBuilder: (group, options) => {
    return buildExpressionRow(group.mathml, options);
  }
});
var sizeData = function sizeData2(str) {
  if (/^[-+]? *(\d+(\.\d*)?|\.\d+)$/.test(str)) {
    return {
      number: +str,
      unit: "bp"
    };
  } else {
    var match = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(str);
    if (!match) {
      throw new ParseError("Invalid size: '" + str + "' in \\includegraphics");
    }
    var data = {
      number: +(match[1] + match[2]),
      unit: match[3]
    };
    if (!validUnit(data)) {
      throw new ParseError("Invalid unit: '" + data.unit + "' in \\includegraphics.");
    }
    return data;
  }
};
defineFunction({
  type: "includegraphics",
  names: ["\\includegraphics"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1,
    argTypes: ["raw", "url"],
    allowedInText: false
  },
  handler: (_ref, args, optArgs) => {
    var {
      parser
    } = _ref;
    var width = {
      number: 0,
      unit: "em"
    };
    var height = {
      number: 0.9,
      unit: "em"
    };
    var totalheight = {
      number: 0,
      unit: "em"
    };
    var alt = "";
    if (optArgs[0]) {
      var attributeStr = assertNodeType(optArgs[0], "raw").string;
      var attributes = attributeStr.split(",");
      for (var i = 0; i < attributes.length; i++) {
        var keyVal = attributes[i].split("=");
        if (keyVal.length === 2) {
          var str = keyVal[1].trim();
          switch (keyVal[0].trim()) {
            case "alt":
              alt = str;
              break;
            case "width":
              width = sizeData(str);
              break;
            case "height":
              height = sizeData(str);
              break;
            case "totalheight":
              totalheight = sizeData(str);
              break;
            default:
              throw new ParseError("Invalid key: '" + keyVal[0] + "' in \\includegraphics.");
          }
        }
      }
    }
    var src = assertNodeType(args[0], "url").url;
    if (alt === "") {
      alt = src;
      alt = alt.replace(/^.*[\\/]/, "");
      alt = alt.substring(0, alt.lastIndexOf("."));
    }
    if (!parser.settings.isTrusted({
      command: "\\includegraphics",
      url: src
    })) {
      return parser.formatUnsupportedCmd("\\includegraphics");
    }
    return {
      type: "includegraphics",
      mode: parser.mode,
      alt,
      width,
      height,
      totalheight,
      src
    };
  },
  htmlBuilder: (group, options) => {
    var height = calculateSize(group.height, options);
    var depth = 0;
    if (group.totalheight.number > 0) {
      depth = calculateSize(group.totalheight, options) - height;
    }
    var width = 0;
    if (group.width.number > 0) {
      width = calculateSize(group.width, options);
    }
    var style = {
      height: makeEm(height + depth)
    };
    if (width > 0) {
      style.width = makeEm(width);
    }
    if (depth > 0) {
      style.verticalAlign = makeEm(-depth);
    }
    var node = new Img(group.src, group.alt, style);
    node.height = height;
    node.depth = depth;
    return node;
  },
  mathmlBuilder: (group, options) => {
    var node = new mathMLTree.MathNode("mglyph", []);
    node.setAttribute("alt", group.alt);
    var height = calculateSize(group.height, options);
    var depth = 0;
    if (group.totalheight.number > 0) {
      depth = calculateSize(group.totalheight, options) - height;
      node.setAttribute("valign", makeEm(-depth));
    }
    node.setAttribute("height", makeEm(height + depth));
    if (group.width.number > 0) {
      var width = calculateSize(group.width, options);
      node.setAttribute("width", makeEm(width));
    }
    node.setAttribute("src", group.src);
    return node;
  }
});
defineFunction({
  type: "kern",
  names: ["\\kern", "\\mkern", "\\hskip", "\\mskip"],
  props: {
    numArgs: 1,
    argTypes: ["size"],
    primitive: true,
    allowedInText: true
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    var size = assertNodeType(args[0], "size");
    if (parser.settings.strict) {
      var mathFunction = funcName[1] === "m";
      var muUnit = size.value.unit === "mu";
      if (mathFunction) {
        if (!muUnit) {
          parser.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + funcName + " supports only mu units, " + ("not " + size.value.unit + " units"));
        }
        if (parser.mode !== "math") {
          parser.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + funcName + " works only in math mode");
        }
      } else {
        if (muUnit) {
          parser.settings.reportNonstrict("mathVsTextUnits", "LaTeX's " + funcName + " doesn't support mu units");
        }
      }
    }
    return {
      type: "kern",
      mode: parser.mode,
      dimension: size.value
    };
  },
  htmlBuilder(group, options) {
    return buildCommon.makeGlue(group.dimension, options);
  },
  mathmlBuilder(group, options) {
    var dimension = calculateSize(group.dimension, options);
    return new mathMLTree.SpaceNode(dimension);
  }
});
defineFunction({
  type: "lap",
  names: ["\\mathllap", "\\mathrlap", "\\mathclap"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var body = args[0];
    return {
      type: "lap",
      mode: parser.mode,
      alignment: funcName.slice(5),
      body
    };
  },
  htmlBuilder: (group, options) => {
    var inner2;
    if (group.alignment === "clap") {
      inner2 = buildCommon.makeSpan([], [buildGroup$1(group.body, options)]);
      inner2 = buildCommon.makeSpan(["inner"], [inner2], options);
    } else {
      inner2 = buildCommon.makeSpan(["inner"], [buildGroup$1(group.body, options)]);
    }
    var fix = buildCommon.makeSpan(["fix"], []);
    var node = buildCommon.makeSpan([group.alignment], [inner2, fix], options);
    var strut = buildCommon.makeSpan(["strut"]);
    strut.style.height = makeEm(node.height + node.depth);
    if (node.depth) {
      strut.style.verticalAlign = makeEm(-node.depth);
    }
    node.children.unshift(strut);
    node = buildCommon.makeSpan(["thinbox"], [node], options);
    return buildCommon.makeSpan(["mord", "vbox"], [node], options);
  },
  mathmlBuilder: (group, options) => {
    var node = new mathMLTree.MathNode("mpadded", [buildGroup2(group.body, options)]);
    if (group.alignment !== "rlap") {
      var offset = group.alignment === "llap" ? "-1" : "-0.5";
      node.setAttribute("lspace", offset + "width");
    }
    node.setAttribute("width", "0px");
    return node;
  }
});
defineFunction({
  type: "styling",
  names: ["\\(", "$"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: false
  },
  handler(_ref, args) {
    var {
      funcName,
      parser
    } = _ref;
    var outerMode = parser.mode;
    parser.switchMode("math");
    var close2 = funcName === "\\(" ? "\\)" : "$";
    var body = parser.parseExpression(false, close2);
    parser.expect(close2);
    parser.switchMode(outerMode);
    return {
      type: "styling",
      mode: parser.mode,
      style: "text",
      body
    };
  }
});
defineFunction({
  type: "text",
  names: ["\\)", "\\]"],
  props: {
    numArgs: 0,
    allowedInText: true,
    allowedInMath: false
  },
  handler(context, args) {
    throw new ParseError("Mismatched " + context.funcName);
  }
});
var chooseMathStyle = (group, options) => {
  switch (options.style.size) {
    case Style$1.DISPLAY.size:
      return group.display;
    case Style$1.TEXT.size:
      return group.text;
    case Style$1.SCRIPT.size:
      return group.script;
    case Style$1.SCRIPTSCRIPT.size:
      return group.scriptscript;
    default:
      return group.text;
  }
};
defineFunction({
  type: "mathchoice",
  names: ["\\mathchoice"],
  props: {
    numArgs: 4,
    primitive: true
  },
  handler: (_ref, args) => {
    var {
      parser
    } = _ref;
    return {
      type: "mathchoice",
      mode: parser.mode,
      display: ordargument(args[0]),
      text: ordargument(args[1]),
      script: ordargument(args[2]),
      scriptscript: ordargument(args[3])
    };
  },
  htmlBuilder: (group, options) => {
    var body = chooseMathStyle(group, options);
    var elements = buildExpression$1(body, options, false);
    return buildCommon.makeFragment(elements);
  },
  mathmlBuilder: (group, options) => {
    var body = chooseMathStyle(group, options);
    return buildExpressionRow(body, options);
  }
});
var assembleSupSub = (base, supGroup, subGroup, options, style, slant, baseShift) => {
  base = buildCommon.makeSpan([], [base]);
  var subIsSingleCharacter = subGroup && utils.isCharacterBox(subGroup);
  var sub2;
  var sup2;
  if (supGroup) {
    var elem = buildGroup$1(supGroup, options.havingStyle(style.sup()), options);
    sup2 = {
      elem,
      kern: Math.max(options.fontMetrics().bigOpSpacing1, options.fontMetrics().bigOpSpacing3 - elem.depth)
    };
  }
  if (subGroup) {
    var _elem = buildGroup$1(subGroup, options.havingStyle(style.sub()), options);
    sub2 = {
      elem: _elem,
      kern: Math.max(options.fontMetrics().bigOpSpacing2, options.fontMetrics().bigOpSpacing4 - _elem.height)
    };
  }
  var finalGroup;
  if (sup2 && sub2) {
    var bottom = options.fontMetrics().bigOpSpacing5 + sub2.elem.height + sub2.elem.depth + sub2.kern + base.depth + baseShift;
    finalGroup = buildCommon.makeVList({
      positionType: "bottom",
      positionData: bottom,
      children: [{
        type: "kern",
        size: options.fontMetrics().bigOpSpacing5
      }, {
        type: "elem",
        elem: sub2.elem,
        marginLeft: makeEm(-slant)
      }, {
        type: "kern",
        size: sub2.kern
      }, {
        type: "elem",
        elem: base
      }, {
        type: "kern",
        size: sup2.kern
      }, {
        type: "elem",
        elem: sup2.elem,
        marginLeft: makeEm(slant)
      }, {
        type: "kern",
        size: options.fontMetrics().bigOpSpacing5
      }]
    }, options);
  } else if (sub2) {
    var top = base.height - baseShift;
    finalGroup = buildCommon.makeVList({
      positionType: "top",
      positionData: top,
      children: [{
        type: "kern",
        size: options.fontMetrics().bigOpSpacing5
      }, {
        type: "elem",
        elem: sub2.elem,
        marginLeft: makeEm(-slant)
      }, {
        type: "kern",
        size: sub2.kern
      }, {
        type: "elem",
        elem: base
      }]
    }, options);
  } else if (sup2) {
    var _bottom = base.depth + baseShift;
    finalGroup = buildCommon.makeVList({
      positionType: "bottom",
      positionData: _bottom,
      children: [{
        type: "elem",
        elem: base
      }, {
        type: "kern",
        size: sup2.kern
      }, {
        type: "elem",
        elem: sup2.elem,
        marginLeft: makeEm(slant)
      }, {
        type: "kern",
        size: options.fontMetrics().bigOpSpacing5
      }]
    }, options);
  } else {
    return base;
  }
  var parts = [finalGroup];
  if (sub2 && slant !== 0 && !subIsSingleCharacter) {
    var spacer = buildCommon.makeSpan(["mspace"], [], options);
    spacer.style.marginRight = makeEm(slant);
    parts.unshift(spacer);
  }
  return buildCommon.makeSpan(["mop", "op-limits"], parts, options);
};
var noSuccessor = ["\\smallint"];
var htmlBuilder$2 = (grp, options) => {
  var supGroup;
  var subGroup;
  var hasLimits = false;
  var group;
  if (grp.type === "supsub") {
    supGroup = grp.sup;
    subGroup = grp.sub;
    group = assertNodeType(grp.base, "op");
    hasLimits = true;
  } else {
    group = assertNodeType(grp, "op");
  }
  var style = options.style;
  var large = false;
  if (style.size === Style$1.DISPLAY.size && group.symbol && !utils.contains(noSuccessor, group.name)) {
    large = true;
  }
  var base;
  if (group.symbol) {
    var fontName = large ? "Size2-Regular" : "Size1-Regular";
    var stash = "";
    if (group.name === "\\oiint" || group.name === "\\oiiint") {
      stash = group.name.substr(1);
      group.name = stash === "oiint" ? "\\iint" : "\\iiint";
    }
    base = buildCommon.makeSymbol(group.name, fontName, "math", options, ["mop", "op-symbol", large ? "large-op" : "small-op"]);
    if (stash.length > 0) {
      var italic = base.italic;
      var oval = buildCommon.staticSvg(stash + "Size" + (large ? "2" : "1"), options);
      base = buildCommon.makeVList({
        positionType: "individualShift",
        children: [{
          type: "elem",
          elem: base,
          shift: 0
        }, {
          type: "elem",
          elem: oval,
          shift: large ? 0.08 : 0
        }]
      }, options);
      group.name = "\\" + stash;
      base.classes.unshift("mop");
      base.italic = italic;
    }
  } else if (group.body) {
    var inner2 = buildExpression$1(group.body, options, true);
    if (inner2.length === 1 && inner2[0] instanceof SymbolNode) {
      base = inner2[0];
      base.classes[0] = "mop";
    } else {
      base = buildCommon.makeSpan(["mop"], inner2, options);
    }
  } else {
    var output = [];
    for (var i = 1; i < group.name.length; i++) {
      output.push(buildCommon.mathsym(group.name[i], group.mode, options));
    }
    base = buildCommon.makeSpan(["mop"], output, options);
  }
  var baseShift = 0;
  var slant = 0;
  if ((base instanceof SymbolNode || group.name === "\\oiint" || group.name === "\\oiiint") && !group.suppressBaseShift) {
    baseShift = (base.height - base.depth) / 2 - options.fontMetrics().axisHeight;
    slant = base.italic;
  }
  if (hasLimits) {
    return assembleSupSub(base, supGroup, subGroup, options, style, slant, baseShift);
  } else {
    if (baseShift) {
      base.style.position = "relative";
      base.style.top = makeEm(baseShift);
    }
    return base;
  }
};
var mathmlBuilder$1 = (group, options) => {
  var node;
  if (group.symbol) {
    node = new MathNode("mo", [makeText(group.name, group.mode)]);
    if (utils.contains(noSuccessor, group.name)) {
      node.setAttribute("largeop", "false");
    }
  } else if (group.body) {
    node = new MathNode("mo", buildExpression2(group.body, options));
  } else {
    node = new MathNode("mi", [new TextNode(group.name.slice(1))]);
    var operator = new MathNode("mo", [makeText("\u2061", "text")]);
    if (group.parentIsSupSub) {
      node = new MathNode("mrow", [node, operator]);
    } else {
      node = newDocumentFragment([node, operator]);
    }
  }
  return node;
};
var singleCharBigOps = {
  "\u220F": "\\prod",
  "\u2210": "\\coprod",
  "\u2211": "\\sum",
  "\u22C0": "\\bigwedge",
  "\u22C1": "\\bigvee",
  "\u22C2": "\\bigcap",
  "\u22C3": "\\bigcup",
  "\u2A00": "\\bigodot",
  "\u2A01": "\\bigoplus",
  "\u2A02": "\\bigotimes",
  "\u2A04": "\\biguplus",
  "\u2A06": "\\bigsqcup"
};
defineFunction({
  type: "op",
  names: ["\\coprod", "\\bigvee", "\\bigwedge", "\\biguplus", "\\bigcap", "\\bigcup", "\\intop", "\\prod", "\\sum", "\\bigotimes", "\\bigoplus", "\\bigodot", "\\bigsqcup", "\\smallint", "\u220F", "\u2210", "\u2211", "\u22C0", "\u22C1", "\u22C2", "\u22C3", "\u2A00", "\u2A01", "\u2A02", "\u2A04", "\u2A06"],
  props: {
    numArgs: 0
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var fName = funcName;
    if (fName.length === 1) {
      fName = singleCharBigOps[fName];
    }
    return {
      type: "op",
      mode: parser.mode,
      limits: true,
      parentIsSupSub: false,
      symbol: true,
      name: fName
    };
  },
  htmlBuilder: htmlBuilder$2,
  mathmlBuilder: mathmlBuilder$1
});
defineFunction({
  type: "op",
  names: ["\\mathop"],
  props: {
    numArgs: 1,
    primitive: true
  },
  handler: (_ref2, args) => {
    var {
      parser
    } = _ref2;
    var body = args[0];
    return {
      type: "op",
      mode: parser.mode,
      limits: false,
      parentIsSupSub: false,
      symbol: false,
      body: ordargument(body)
    };
  },
  htmlBuilder: htmlBuilder$2,
  mathmlBuilder: mathmlBuilder$1
});
var singleCharIntegrals = {
  "\u222B": "\\int",
  "\u222C": "\\iint",
  "\u222D": "\\iiint",
  "\u222E": "\\oint",
  "\u222F": "\\oiint",
  "\u2230": "\\oiiint"
};
defineFunction({
  type: "op",
  names: ["\\arcsin", "\\arccos", "\\arctan", "\\arctg", "\\arcctg", "\\arg", "\\ch", "\\cos", "\\cosec", "\\cosh", "\\cot", "\\cotg", "\\coth", "\\csc", "\\ctg", "\\cth", "\\deg", "\\dim", "\\exp", "\\hom", "\\ker", "\\lg", "\\ln", "\\log", "\\sec", "\\sin", "\\sinh", "\\sh", "\\tan", "\\tanh", "\\tg", "\\th"],
  props: {
    numArgs: 0
  },
  handler(_ref3) {
    var {
      parser,
      funcName
    } = _ref3;
    return {
      type: "op",
      mode: parser.mode,
      limits: false,
      parentIsSupSub: false,
      symbol: false,
      name: funcName
    };
  },
  htmlBuilder: htmlBuilder$2,
  mathmlBuilder: mathmlBuilder$1
});
defineFunction({
  type: "op",
  names: ["\\det", "\\gcd", "\\inf", "\\lim", "\\max", "\\min", "\\Pr", "\\sup"],
  props: {
    numArgs: 0
  },
  handler(_ref4) {
    var {
      parser,
      funcName
    } = _ref4;
    return {
      type: "op",
      mode: parser.mode,
      limits: true,
      parentIsSupSub: false,
      symbol: false,
      name: funcName
    };
  },
  htmlBuilder: htmlBuilder$2,
  mathmlBuilder: mathmlBuilder$1
});
defineFunction({
  type: "op",
  names: ["\\int", "\\iint", "\\iiint", "\\oint", "\\oiint", "\\oiiint", "\u222B", "\u222C", "\u222D", "\u222E", "\u222F", "\u2230"],
  props: {
    numArgs: 0
  },
  handler(_ref5) {
    var {
      parser,
      funcName
    } = _ref5;
    var fName = funcName;
    if (fName.length === 1) {
      fName = singleCharIntegrals[fName];
    }
    return {
      type: "op",
      mode: parser.mode,
      limits: false,
      parentIsSupSub: false,
      symbol: true,
      name: fName
    };
  },
  htmlBuilder: htmlBuilder$2,
  mathmlBuilder: mathmlBuilder$1
});
var htmlBuilder$1 = (grp, options) => {
  var supGroup;
  var subGroup;
  var hasLimits = false;
  var group;
  if (grp.type === "supsub") {
    supGroup = grp.sup;
    subGroup = grp.sub;
    group = assertNodeType(grp.base, "operatorname");
    hasLimits = true;
  } else {
    group = assertNodeType(grp, "operatorname");
  }
  var base;
  if (group.body.length > 0) {
    var body = group.body.map((child2) => {
      var childText = child2.text;
      if (typeof childText === "string") {
        return {
          type: "textord",
          mode: child2.mode,
          text: childText
        };
      } else {
        return child2;
      }
    });
    var expression = buildExpression$1(body, options.withFont("mathrm"), true);
    for (var i = 0; i < expression.length; i++) {
      var child = expression[i];
      if (child instanceof SymbolNode) {
        child.text = child.text.replace(/\u2212/, "-").replace(/\u2217/, "*");
      }
    }
    base = buildCommon.makeSpan(["mop"], expression, options);
  } else {
    base = buildCommon.makeSpan(["mop"], [], options);
  }
  if (hasLimits) {
    return assembleSupSub(base, supGroup, subGroup, options, options.style, 0, 0);
  } else {
    return base;
  }
};
var mathmlBuilder2 = (group, options) => {
  var expression = buildExpression2(group.body, options.withFont("mathrm"));
  var isAllString = true;
  for (var i = 0; i < expression.length; i++) {
    var node = expression[i];
    if (node instanceof mathMLTree.SpaceNode)
      ;
    else if (node instanceof mathMLTree.MathNode) {
      switch (node.type) {
        case "mi":
        case "mn":
        case "ms":
        case "mspace":
        case "mtext":
          break;
        case "mo": {
          var child = node.children[0];
          if (node.children.length === 1 && child instanceof mathMLTree.TextNode) {
            child.text = child.text.replace(/\u2212/, "-").replace(/\u2217/, "*");
          } else {
            isAllString = false;
          }
          break;
        }
        default:
          isAllString = false;
      }
    } else {
      isAllString = false;
    }
  }
  if (isAllString) {
    var word = expression.map((node2) => node2.toText()).join("");
    expression = [new mathMLTree.TextNode(word)];
  }
  var identifier = new mathMLTree.MathNode("mi", expression);
  identifier.setAttribute("mathvariant", "normal");
  var operator = new mathMLTree.MathNode("mo", [makeText("\u2061", "text")]);
  if (group.parentIsSupSub) {
    return new mathMLTree.MathNode("mrow", [identifier, operator]);
  } else {
    return mathMLTree.newDocumentFragment([identifier, operator]);
  }
};
defineFunction({
  type: "operatorname",
  names: ["\\operatorname@", "\\operatornamewithlimits"],
  props: {
    numArgs: 1
  },
  handler: (_ref, args) => {
    var {
      parser,
      funcName
    } = _ref;
    var body = args[0];
    return {
      type: "operatorname",
      mode: parser.mode,
      body: ordargument(body),
      alwaysHandleSupSub: funcName === "\\operatornamewithlimits",
      limits: false,
      parentIsSupSub: false
    };
  },
  htmlBuilder: htmlBuilder$1,
  mathmlBuilder: mathmlBuilder2
});
defineMacro("\\operatorname", "\\@ifstar\\operatornamewithlimits\\operatorname@");
defineFunctionBuilders({
  type: "ordgroup",
  htmlBuilder(group, options) {
    if (group.semisimple) {
      return buildCommon.makeFragment(buildExpression$1(group.body, options, false));
    }
    return buildCommon.makeSpan(["mord"], buildExpression$1(group.body, options, true), options);
  },
  mathmlBuilder(group, options) {
    return buildExpressionRow(group.body, options, true);
  }
});
defineFunction({
  type: "overline",
  names: ["\\overline"],
  props: {
    numArgs: 1
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    var body = args[0];
    return {
      type: "overline",
      mode: parser.mode,
      body
    };
  },
  htmlBuilder(group, options) {
    var innerGroup = buildGroup$1(group.body, options.havingCrampedStyle());
    var line = buildCommon.makeLineSpan("overline-line", options);
    var defaultRuleThickness = options.fontMetrics().defaultRuleThickness;
    var vlist = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: innerGroup
      }, {
        type: "kern",
        size: 3 * defaultRuleThickness
      }, {
        type: "elem",
        elem: line
      }, {
        type: "kern",
        size: defaultRuleThickness
      }]
    }, options);
    return buildCommon.makeSpan(["mord", "overline"], [vlist], options);
  },
  mathmlBuilder(group, options) {
    var operator = new mathMLTree.MathNode("mo", [new mathMLTree.TextNode("\u203E")]);
    operator.setAttribute("stretchy", "true");
    var node = new mathMLTree.MathNode("mover", [buildGroup2(group.body, options), operator]);
    node.setAttribute("accent", "true");
    return node;
  }
});
defineFunction({
  type: "phantom",
  names: ["\\phantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      parser
    } = _ref;
    var body = args[0];
    return {
      type: "phantom",
      mode: parser.mode,
      body: ordargument(body)
    };
  },
  htmlBuilder: (group, options) => {
    var elements = buildExpression$1(group.body, options.withPhantom(), false);
    return buildCommon.makeFragment(elements);
  },
  mathmlBuilder: (group, options) => {
    var inner2 = buildExpression2(group.body, options);
    return new mathMLTree.MathNode("mphantom", inner2);
  }
});
defineFunction({
  type: "hphantom",
  names: ["\\hphantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: (_ref2, args) => {
    var {
      parser
    } = _ref2;
    var body = args[0];
    return {
      type: "hphantom",
      mode: parser.mode,
      body
    };
  },
  htmlBuilder: (group, options) => {
    var node = buildCommon.makeSpan([], [buildGroup$1(group.body, options.withPhantom())]);
    node.height = 0;
    node.depth = 0;
    if (node.children) {
      for (var i = 0; i < node.children.length; i++) {
        node.children[i].height = 0;
        node.children[i].depth = 0;
      }
    }
    node = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: node
      }]
    }, options);
    return buildCommon.makeSpan(["mord"], [node], options);
  },
  mathmlBuilder: (group, options) => {
    var inner2 = buildExpression2(ordargument(group.body), options);
    var phantom = new mathMLTree.MathNode("mphantom", inner2);
    var node = new mathMLTree.MathNode("mpadded", [phantom]);
    node.setAttribute("height", "0px");
    node.setAttribute("depth", "0px");
    return node;
  }
});
defineFunction({
  type: "vphantom",
  names: ["\\vphantom"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler: (_ref3, args) => {
    var {
      parser
    } = _ref3;
    var body = args[0];
    return {
      type: "vphantom",
      mode: parser.mode,
      body
    };
  },
  htmlBuilder: (group, options) => {
    var inner2 = buildCommon.makeSpan(["inner"], [buildGroup$1(group.body, options.withPhantom())]);
    var fix = buildCommon.makeSpan(["fix"], []);
    return buildCommon.makeSpan(["mord", "rlap"], [inner2, fix], options);
  },
  mathmlBuilder: (group, options) => {
    var inner2 = buildExpression2(ordargument(group.body), options);
    var phantom = new mathMLTree.MathNode("mphantom", inner2);
    var node = new mathMLTree.MathNode("mpadded", [phantom]);
    node.setAttribute("width", "0px");
    return node;
  }
});
defineFunction({
  type: "raisebox",
  names: ["\\raisebox"],
  props: {
    numArgs: 2,
    argTypes: ["size", "hbox"],
    allowedInText: true
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    var amount = assertNodeType(args[0], "size").value;
    var body = args[1];
    return {
      type: "raisebox",
      mode: parser.mode,
      dy: amount,
      body
    };
  },
  htmlBuilder(group, options) {
    var body = buildGroup$1(group.body, options);
    var dy = calculateSize(group.dy, options);
    return buildCommon.makeVList({
      positionType: "shift",
      positionData: -dy,
      children: [{
        type: "elem",
        elem: body
      }]
    }, options);
  },
  mathmlBuilder(group, options) {
    var node = new mathMLTree.MathNode("mpadded", [buildGroup2(group.body, options)]);
    var dy = group.dy.number + group.dy.unit;
    node.setAttribute("voffset", dy);
    return node;
  }
});
defineFunction({
  type: "internal",
  names: ["\\relax"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler(_ref) {
    var {
      parser
    } = _ref;
    return {
      type: "internal",
      mode: parser.mode
    };
  }
});
defineFunction({
  type: "rule",
  names: ["\\rule"],
  props: {
    numArgs: 2,
    numOptionalArgs: 1,
    argTypes: ["size", "size", "size"]
  },
  handler(_ref, args, optArgs) {
    var {
      parser
    } = _ref;
    var shift = optArgs[0];
    var width = assertNodeType(args[0], "size");
    var height = assertNodeType(args[1], "size");
    return {
      type: "rule",
      mode: parser.mode,
      shift: shift && assertNodeType(shift, "size").value,
      width: width.value,
      height: height.value
    };
  },
  htmlBuilder(group, options) {
    var rule = buildCommon.makeSpan(["mord", "rule"], [], options);
    var width = calculateSize(group.width, options);
    var height = calculateSize(group.height, options);
    var shift = group.shift ? calculateSize(group.shift, options) : 0;
    rule.style.borderRightWidth = makeEm(width);
    rule.style.borderTopWidth = makeEm(height);
    rule.style.bottom = makeEm(shift);
    rule.width = width;
    rule.height = height + shift;
    rule.depth = -shift;
    rule.maxFontSize = height * 1.125 * options.sizeMultiplier;
    return rule;
  },
  mathmlBuilder(group, options) {
    var width = calculateSize(group.width, options);
    var height = calculateSize(group.height, options);
    var shift = group.shift ? calculateSize(group.shift, options) : 0;
    var color = options.color && options.getColor() || "black";
    var rule = new mathMLTree.MathNode("mspace");
    rule.setAttribute("mathbackground", color);
    rule.setAttribute("width", makeEm(width));
    rule.setAttribute("height", makeEm(height));
    var wrapper = new mathMLTree.MathNode("mpadded", [rule]);
    if (shift >= 0) {
      wrapper.setAttribute("height", makeEm(shift));
    } else {
      wrapper.setAttribute("height", makeEm(shift));
      wrapper.setAttribute("depth", makeEm(-shift));
    }
    wrapper.setAttribute("voffset", makeEm(shift));
    return wrapper;
  }
});
function sizingGroup(value, options, baseOptions) {
  var inner2 = buildExpression$1(value, options, false);
  var multiplier = options.sizeMultiplier / baseOptions.sizeMultiplier;
  for (var i = 0; i < inner2.length; i++) {
    var pos = inner2[i].classes.indexOf("sizing");
    if (pos < 0) {
      Array.prototype.push.apply(inner2[i].classes, options.sizingClasses(baseOptions));
    } else if (inner2[i].classes[pos + 1] === "reset-size" + options.size) {
      inner2[i].classes[pos + 1] = "reset-size" + baseOptions.size;
    }
    inner2[i].height *= multiplier;
    inner2[i].depth *= multiplier;
  }
  return buildCommon.makeFragment(inner2);
}
var sizeFuncs = ["\\tiny", "\\sixptsize", "\\scriptsize", "\\footnotesize", "\\small", "\\normalsize", "\\large", "\\Large", "\\LARGE", "\\huge", "\\Huge"];
var htmlBuilder2 = (group, options) => {
  var newOptions = options.havingSize(group.size);
  return sizingGroup(group.body, newOptions, options);
};
defineFunction({
  type: "sizing",
  names: sizeFuncs,
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler: (_ref, args) => {
    var {
      breakOnTokenText,
      funcName,
      parser
    } = _ref;
    var body = parser.parseExpression(false, breakOnTokenText);
    return {
      type: "sizing",
      mode: parser.mode,
      size: sizeFuncs.indexOf(funcName) + 1,
      body
    };
  },
  htmlBuilder: htmlBuilder2,
  mathmlBuilder: (group, options) => {
    var newOptions = options.havingSize(group.size);
    var inner2 = buildExpression2(group.body, newOptions);
    var node = new mathMLTree.MathNode("mstyle", inner2);
    node.setAttribute("mathsize", makeEm(newOptions.sizeMultiplier));
    return node;
  }
});
defineFunction({
  type: "smash",
  names: ["\\smash"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1,
    allowedInText: true
  },
  handler: (_ref, args, optArgs) => {
    var {
      parser
    } = _ref;
    var smashHeight = false;
    var smashDepth = false;
    var tbArg = optArgs[0] && assertNodeType(optArgs[0], "ordgroup");
    if (tbArg) {
      var letter = "";
      for (var i = 0; i < tbArg.body.length; ++i) {
        var node = tbArg.body[i];
        letter = node.text;
        if (letter === "t") {
          smashHeight = true;
        } else if (letter === "b") {
          smashDepth = true;
        } else {
          smashHeight = false;
          smashDepth = false;
          break;
        }
      }
    } else {
      smashHeight = true;
      smashDepth = true;
    }
    var body = args[0];
    return {
      type: "smash",
      mode: parser.mode,
      body,
      smashHeight,
      smashDepth
    };
  },
  htmlBuilder: (group, options) => {
    var node = buildCommon.makeSpan([], [buildGroup$1(group.body, options)]);
    if (!group.smashHeight && !group.smashDepth) {
      return node;
    }
    if (group.smashHeight) {
      node.height = 0;
      if (node.children) {
        for (var i = 0; i < node.children.length; i++) {
          node.children[i].height = 0;
        }
      }
    }
    if (group.smashDepth) {
      node.depth = 0;
      if (node.children) {
        for (var _i = 0; _i < node.children.length; _i++) {
          node.children[_i].depth = 0;
        }
      }
    }
    var smashedNode = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: node
      }]
    }, options);
    return buildCommon.makeSpan(["mord"], [smashedNode], options);
  },
  mathmlBuilder: (group, options) => {
    var node = new mathMLTree.MathNode("mpadded", [buildGroup2(group.body, options)]);
    if (group.smashHeight) {
      node.setAttribute("height", "0px");
    }
    if (group.smashDepth) {
      node.setAttribute("depth", "0px");
    }
    return node;
  }
});
defineFunction({
  type: "sqrt",
  names: ["\\sqrt"],
  props: {
    numArgs: 1,
    numOptionalArgs: 1
  },
  handler(_ref, args, optArgs) {
    var {
      parser
    } = _ref;
    var index = optArgs[0];
    var body = args[0];
    return {
      type: "sqrt",
      mode: parser.mode,
      body,
      index
    };
  },
  htmlBuilder(group, options) {
    var inner2 = buildGroup$1(group.body, options.havingCrampedStyle());
    if (inner2.height === 0) {
      inner2.height = options.fontMetrics().xHeight;
    }
    inner2 = buildCommon.wrapFragment(inner2, options);
    var metrics = options.fontMetrics();
    var theta = metrics.defaultRuleThickness;
    var phi = theta;
    if (options.style.id < Style$1.TEXT.id) {
      phi = options.fontMetrics().xHeight;
    }
    var lineClearance = theta + phi / 4;
    var minDelimiterHeight = inner2.height + inner2.depth + lineClearance + theta;
    var {
      span: img,
      ruleWidth,
      advanceWidth
    } = delimiter.sqrtImage(minDelimiterHeight, options);
    var delimDepth = img.height - ruleWidth;
    if (delimDepth > inner2.height + inner2.depth + lineClearance) {
      lineClearance = (lineClearance + delimDepth - inner2.height - inner2.depth) / 2;
    }
    var imgShift = img.height - inner2.height - lineClearance - ruleWidth;
    inner2.style.paddingLeft = makeEm(advanceWidth);
    var body = buildCommon.makeVList({
      positionType: "firstBaseline",
      children: [{
        type: "elem",
        elem: inner2,
        wrapperClasses: ["svg-align"]
      }, {
        type: "kern",
        size: -(inner2.height + imgShift)
      }, {
        type: "elem",
        elem: img
      }, {
        type: "kern",
        size: ruleWidth
      }]
    }, options);
    if (!group.index) {
      return buildCommon.makeSpan(["mord", "sqrt"], [body], options);
    } else {
      var newOptions = options.havingStyle(Style$1.SCRIPTSCRIPT);
      var rootm = buildGroup$1(group.index, newOptions, options);
      var toShift = 0.6 * (body.height - body.depth);
      var rootVList = buildCommon.makeVList({
        positionType: "shift",
        positionData: -toShift,
        children: [{
          type: "elem",
          elem: rootm
        }]
      }, options);
      var rootVListWrap = buildCommon.makeSpan(["root"], [rootVList]);
      return buildCommon.makeSpan(["mord", "sqrt"], [rootVListWrap, body], options);
    }
  },
  mathmlBuilder(group, options) {
    var {
      body,
      index
    } = group;
    return index ? new mathMLTree.MathNode("mroot", [buildGroup2(body, options), buildGroup2(index, options)]) : new mathMLTree.MathNode("msqrt", [buildGroup2(body, options)]);
  }
});
var styleMap = {
  "display": Style$1.DISPLAY,
  "text": Style$1.TEXT,
  "script": Style$1.SCRIPT,
  "scriptscript": Style$1.SCRIPTSCRIPT
};
defineFunction({
  type: "styling",
  names: ["\\displaystyle", "\\textstyle", "\\scriptstyle", "\\scriptscriptstyle"],
  props: {
    numArgs: 0,
    allowedInText: true,
    primitive: true
  },
  handler(_ref, args) {
    var {
      breakOnTokenText,
      funcName,
      parser
    } = _ref;
    var body = parser.parseExpression(true, breakOnTokenText);
    var style = funcName.slice(1, funcName.length - 5);
    return {
      type: "styling",
      mode: parser.mode,
      style,
      body
    };
  },
  htmlBuilder(group, options) {
    var newStyle = styleMap[group.style];
    var newOptions = options.havingStyle(newStyle).withFont("");
    return sizingGroup(group.body, newOptions, options);
  },
  mathmlBuilder(group, options) {
    var newStyle = styleMap[group.style];
    var newOptions = options.havingStyle(newStyle);
    var inner2 = buildExpression2(group.body, newOptions);
    var node = new mathMLTree.MathNode("mstyle", inner2);
    var styleAttributes = {
      "display": ["0", "true"],
      "text": ["0", "false"],
      "script": ["1", "false"],
      "scriptscript": ["2", "false"]
    };
    var attr = styleAttributes[group.style];
    node.setAttribute("scriptlevel", attr[0]);
    node.setAttribute("displaystyle", attr[1]);
    return node;
  }
});
var htmlBuilderDelegate = function htmlBuilderDelegate2(group, options) {
  var base = group.base;
  if (!base) {
    return null;
  } else if (base.type === "op") {
    var delegate = base.limits && (options.style.size === Style$1.DISPLAY.size || base.alwaysHandleSupSub);
    return delegate ? htmlBuilder$2 : null;
  } else if (base.type === "operatorname") {
    var _delegate = base.alwaysHandleSupSub && (options.style.size === Style$1.DISPLAY.size || base.limits);
    return _delegate ? htmlBuilder$1 : null;
  } else if (base.type === "accent") {
    return utils.isCharacterBox(base.base) ? htmlBuilder$a : null;
  } else if (base.type === "horizBrace") {
    var isSup = !group.sub;
    return isSup === base.isOver ? htmlBuilder$3 : null;
  } else {
    return null;
  }
};
defineFunctionBuilders({
  type: "supsub",
  htmlBuilder(group, options) {
    var builderDelegate = htmlBuilderDelegate(group, options);
    if (builderDelegate) {
      return builderDelegate(group, options);
    }
    var {
      base: valueBase,
      sup: valueSup,
      sub: valueSub
    } = group;
    var base = buildGroup$1(valueBase, options);
    var supm;
    var subm;
    var metrics = options.fontMetrics();
    var supShift = 0;
    var subShift = 0;
    var isCharacterBox3 = valueBase && utils.isCharacterBox(valueBase);
    if (valueSup) {
      var newOptions = options.havingStyle(options.style.sup());
      supm = buildGroup$1(valueSup, newOptions, options);
      if (!isCharacterBox3) {
        supShift = base.height - newOptions.fontMetrics().supDrop * newOptions.sizeMultiplier / options.sizeMultiplier;
      }
    }
    if (valueSub) {
      var _newOptions = options.havingStyle(options.style.sub());
      subm = buildGroup$1(valueSub, _newOptions, options);
      if (!isCharacterBox3) {
        subShift = base.depth + _newOptions.fontMetrics().subDrop * _newOptions.sizeMultiplier / options.sizeMultiplier;
      }
    }
    var minSupShift;
    if (options.style === Style$1.DISPLAY) {
      minSupShift = metrics.sup1;
    } else if (options.style.cramped) {
      minSupShift = metrics.sup3;
    } else {
      minSupShift = metrics.sup2;
    }
    var multiplier = options.sizeMultiplier;
    var marginRight = makeEm(0.5 / metrics.ptPerEm / multiplier);
    var marginLeft = null;
    if (subm) {
      var isOiint = group.base && group.base.type === "op" && group.base.name && (group.base.name === "\\oiint" || group.base.name === "\\oiiint");
      if (base instanceof SymbolNode || isOiint) {
        marginLeft = makeEm(-base.italic);
      }
    }
    var supsub;
    if (supm && subm) {
      supShift = Math.max(supShift, minSupShift, supm.depth + 0.25 * metrics.xHeight);
      subShift = Math.max(subShift, metrics.sub2);
      var ruleWidth = metrics.defaultRuleThickness;
      var maxWidth = 4 * ruleWidth;
      if (supShift - supm.depth - (subm.height - subShift) < maxWidth) {
        subShift = maxWidth - (supShift - supm.depth) + subm.height;
        var psi = 0.8 * metrics.xHeight - (supShift - supm.depth);
        if (psi > 0) {
          supShift += psi;
          subShift -= psi;
        }
      }
      var vlistElem = [{
        type: "elem",
        elem: subm,
        shift: subShift,
        marginRight,
        marginLeft
      }, {
        type: "elem",
        elem: supm,
        shift: -supShift,
        marginRight
      }];
      supsub = buildCommon.makeVList({
        positionType: "individualShift",
        children: vlistElem
      }, options);
    } else if (subm) {
      subShift = Math.max(subShift, metrics.sub1, subm.height - 0.8 * metrics.xHeight);
      var _vlistElem = [{
        type: "elem",
        elem: subm,
        marginLeft,
        marginRight
      }];
      supsub = buildCommon.makeVList({
        positionType: "shift",
        positionData: subShift,
        children: _vlistElem
      }, options);
    } else if (supm) {
      supShift = Math.max(supShift, minSupShift, supm.depth + 0.25 * metrics.xHeight);
      supsub = buildCommon.makeVList({
        positionType: "shift",
        positionData: -supShift,
        children: [{
          type: "elem",
          elem: supm,
          marginRight
        }]
      }, options);
    } else {
      throw new Error("supsub must have either sup or sub.");
    }
    var mclass = getTypeOfDomTree(base, "right") || "mord";
    return buildCommon.makeSpan([mclass], [base, buildCommon.makeSpan(["msupsub"], [supsub])], options);
  },
  mathmlBuilder(group, options) {
    var isBrace = false;
    var isOver;
    var isSup;
    if (group.base && group.base.type === "horizBrace") {
      isSup = !!group.sup;
      if (isSup === group.base.isOver) {
        isBrace = true;
        isOver = group.base.isOver;
      }
    }
    if (group.base && (group.base.type === "op" || group.base.type === "operatorname")) {
      group.base.parentIsSupSub = true;
    }
    var children = [buildGroup2(group.base, options)];
    if (group.sub) {
      children.push(buildGroup2(group.sub, options));
    }
    if (group.sup) {
      children.push(buildGroup2(group.sup, options));
    }
    var nodeType;
    if (isBrace) {
      nodeType = isOver ? "mover" : "munder";
    } else if (!group.sub) {
      var base = group.base;
      if (base && base.type === "op" && base.limits && (options.style === Style$1.DISPLAY || base.alwaysHandleSupSub)) {
        nodeType = "mover";
      } else if (base && base.type === "operatorname" && base.alwaysHandleSupSub && (base.limits || options.style === Style$1.DISPLAY)) {
        nodeType = "mover";
      } else {
        nodeType = "msup";
      }
    } else if (!group.sup) {
      var _base = group.base;
      if (_base && _base.type === "op" && _base.limits && (options.style === Style$1.DISPLAY || _base.alwaysHandleSupSub)) {
        nodeType = "munder";
      } else if (_base && _base.type === "operatorname" && _base.alwaysHandleSupSub && (_base.limits || options.style === Style$1.DISPLAY)) {
        nodeType = "munder";
      } else {
        nodeType = "msub";
      }
    } else {
      var _base2 = group.base;
      if (_base2 && _base2.type === "op" && _base2.limits && options.style === Style$1.DISPLAY) {
        nodeType = "munderover";
      } else if (_base2 && _base2.type === "operatorname" && _base2.alwaysHandleSupSub && (options.style === Style$1.DISPLAY || _base2.limits)) {
        nodeType = "munderover";
      } else {
        nodeType = "msubsup";
      }
    }
    return new mathMLTree.MathNode(nodeType, children);
  }
});
defineFunctionBuilders({
  type: "atom",
  htmlBuilder(group, options) {
    return buildCommon.mathsym(group.text, group.mode, options, ["m" + group.family]);
  },
  mathmlBuilder(group, options) {
    var node = new mathMLTree.MathNode("mo", [makeText(group.text, group.mode)]);
    if (group.family === "bin") {
      var variant = getVariant(group, options);
      if (variant === "bold-italic") {
        node.setAttribute("mathvariant", variant);
      }
    } else if (group.family === "punct") {
      node.setAttribute("separator", "true");
    } else if (group.family === "open" || group.family === "close") {
      node.setAttribute("stretchy", "false");
    }
    return node;
  }
});
var defaultVariant = {
  "mi": "italic",
  "mn": "normal",
  "mtext": "normal"
};
defineFunctionBuilders({
  type: "mathord",
  htmlBuilder(group, options) {
    return buildCommon.makeOrd(group, options, "mathord");
  },
  mathmlBuilder(group, options) {
    var node = new mathMLTree.MathNode("mi", [makeText(group.text, group.mode, options)]);
    var variant = getVariant(group, options) || "italic";
    if (variant !== defaultVariant[node.type]) {
      node.setAttribute("mathvariant", variant);
    }
    return node;
  }
});
defineFunctionBuilders({
  type: "textord",
  htmlBuilder(group, options) {
    return buildCommon.makeOrd(group, options, "textord");
  },
  mathmlBuilder(group, options) {
    var text2 = makeText(group.text, group.mode, options);
    var variant = getVariant(group, options) || "normal";
    var node;
    if (group.mode === "text") {
      node = new mathMLTree.MathNode("mtext", [text2]);
    } else if (/[0-9]/.test(group.text)) {
      node = new mathMLTree.MathNode("mn", [text2]);
    } else if (group.text === "\\prime") {
      node = new mathMLTree.MathNode("mo", [text2]);
    } else {
      node = new mathMLTree.MathNode("mi", [text2]);
    }
    if (variant !== defaultVariant[node.type]) {
      node.setAttribute("mathvariant", variant);
    }
    return node;
  }
});
var cssSpace = {
  "\\nobreak": "nobreak",
  "\\allowbreak": "allowbreak"
};
var regularSpace = {
  " ": {},
  "\\ ": {},
  "~": {
    className: "nobreak"
  },
  "\\space": {},
  "\\nobreakspace": {
    className: "nobreak"
  }
};
defineFunctionBuilders({
  type: "spacing",
  htmlBuilder(group, options) {
    if (regularSpace.hasOwnProperty(group.text)) {
      var className = regularSpace[group.text].className || "";
      if (group.mode === "text") {
        var ord = buildCommon.makeOrd(group, options, "textord");
        ord.classes.push(className);
        return ord;
      } else {
        return buildCommon.makeSpan(["mspace", className], [buildCommon.mathsym(group.text, group.mode, options)], options);
      }
    } else if (cssSpace.hasOwnProperty(group.text)) {
      return buildCommon.makeSpan(["mspace", cssSpace[group.text]], [], options);
    } else {
      throw new ParseError('Unknown type of space "' + group.text + '"');
    }
  },
  mathmlBuilder(group, options) {
    var node;
    if (regularSpace.hasOwnProperty(group.text)) {
      node = new mathMLTree.MathNode("mtext", [new mathMLTree.TextNode("\xA0")]);
    } else if (cssSpace.hasOwnProperty(group.text)) {
      return new mathMLTree.MathNode("mspace");
    } else {
      throw new ParseError('Unknown type of space "' + group.text + '"');
    }
    return node;
  }
});
var pad = () => {
  var padNode = new mathMLTree.MathNode("mtd", []);
  padNode.setAttribute("width", "50%");
  return padNode;
};
defineFunctionBuilders({
  type: "tag",
  mathmlBuilder(group, options) {
    var table = new mathMLTree.MathNode("mtable", [new mathMLTree.MathNode("mtr", [pad(), new mathMLTree.MathNode("mtd", [buildExpressionRow(group.body, options)]), pad(), new mathMLTree.MathNode("mtd", [buildExpressionRow(group.tag, options)])])]);
    table.setAttribute("width", "100%");
    return table;
  }
});
var textFontFamilies = {
  "\\text": void 0,
  "\\textrm": "textrm",
  "\\textsf": "textsf",
  "\\texttt": "texttt",
  "\\textnormal": "textrm"
};
var textFontWeights = {
  "\\textbf": "textbf",
  "\\textmd": "textmd"
};
var textFontShapes = {
  "\\textit": "textit",
  "\\textup": "textup"
};
var optionsWithFont = (group, options) => {
  var font = group.font;
  if (!font) {
    return options;
  } else if (textFontFamilies[font]) {
    return options.withTextFontFamily(textFontFamilies[font]);
  } else if (textFontWeights[font]) {
    return options.withTextFontWeight(textFontWeights[font]);
  } else {
    return options.withTextFontShape(textFontShapes[font]);
  }
};
defineFunction({
  type: "text",
  names: [
    "\\text",
    "\\textrm",
    "\\textsf",
    "\\texttt",
    "\\textnormal",
    "\\textbf",
    "\\textmd",
    "\\textit",
    "\\textup"
  ],
  props: {
    numArgs: 1,
    argTypes: ["text"],
    allowedInArgument: true,
    allowedInText: true
  },
  handler(_ref, args) {
    var {
      parser,
      funcName
    } = _ref;
    var body = args[0];
    return {
      type: "text",
      mode: parser.mode,
      body: ordargument(body),
      font: funcName
    };
  },
  htmlBuilder(group, options) {
    var newOptions = optionsWithFont(group, options);
    var inner2 = buildExpression$1(group.body, newOptions, true);
    return buildCommon.makeSpan(["mord", "text"], inner2, newOptions);
  },
  mathmlBuilder(group, options) {
    var newOptions = optionsWithFont(group, options);
    return buildExpressionRow(group.body, newOptions);
  }
});
defineFunction({
  type: "underline",
  names: ["\\underline"],
  props: {
    numArgs: 1,
    allowedInText: true
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    return {
      type: "underline",
      mode: parser.mode,
      body: args[0]
    };
  },
  htmlBuilder(group, options) {
    var innerGroup = buildGroup$1(group.body, options);
    var line = buildCommon.makeLineSpan("underline-line", options);
    var defaultRuleThickness = options.fontMetrics().defaultRuleThickness;
    var vlist = buildCommon.makeVList({
      positionType: "top",
      positionData: innerGroup.height,
      children: [{
        type: "kern",
        size: defaultRuleThickness
      }, {
        type: "elem",
        elem: line
      }, {
        type: "kern",
        size: 3 * defaultRuleThickness
      }, {
        type: "elem",
        elem: innerGroup
      }]
    }, options);
    return buildCommon.makeSpan(["mord", "underline"], [vlist], options);
  },
  mathmlBuilder(group, options) {
    var operator = new mathMLTree.MathNode("mo", [new mathMLTree.TextNode("\u203E")]);
    operator.setAttribute("stretchy", "true");
    var node = new mathMLTree.MathNode("munder", [buildGroup2(group.body, options), operator]);
    node.setAttribute("accentunder", "true");
    return node;
  }
});
defineFunction({
  type: "vcenter",
  names: ["\\vcenter"],
  props: {
    numArgs: 1,
    argTypes: ["original"],
    allowedInText: false
  },
  handler(_ref, args) {
    var {
      parser
    } = _ref;
    return {
      type: "vcenter",
      mode: parser.mode,
      body: args[0]
    };
  },
  htmlBuilder(group, options) {
    var body = buildGroup$1(group.body, options);
    var axisHeight = options.fontMetrics().axisHeight;
    var dy = 0.5 * (body.height - axisHeight - (body.depth + axisHeight));
    return buildCommon.makeVList({
      positionType: "shift",
      positionData: dy,
      children: [{
        type: "elem",
        elem: body
      }]
    }, options);
  },
  mathmlBuilder(group, options) {
    return new mathMLTree.MathNode("mpadded", [buildGroup2(group.body, options)], ["vcenter"]);
  }
});
defineFunction({
  type: "verb",
  names: ["\\verb"],
  props: {
    numArgs: 0,
    allowedInText: true
  },
  handler(context, args, optArgs) {
    throw new ParseError("\\verb ended by end of line instead of matching delimiter");
  },
  htmlBuilder(group, options) {
    var text2 = makeVerb(group);
    var body = [];
    var newOptions = options.havingStyle(options.style.text());
    for (var i = 0; i < text2.length; i++) {
      var c = text2[i];
      if (c === "~") {
        c = "\\textasciitilde";
      }
      body.push(buildCommon.makeSymbol(c, "Typewriter-Regular", group.mode, newOptions, ["mord", "texttt"]));
    }
    return buildCommon.makeSpan(["mord", "text"].concat(newOptions.sizingClasses(options)), buildCommon.tryCombineChars(body), newOptions);
  },
  mathmlBuilder(group, options) {
    var text2 = new mathMLTree.TextNode(makeVerb(group));
    var node = new mathMLTree.MathNode("mtext", [text2]);
    node.setAttribute("mathvariant", "monospace");
    return node;
  }
});
var makeVerb = (group) => group.body.replace(/ /g, group.star ? "\u2423" : "\xA0");
var functions = _functions;
var spaceRegexString = "[ \r\n	]";
var controlWordRegexString = "\\\\[a-zA-Z@]+";
var controlSymbolRegexString = "\\\\[^\uD800-\uDFFF]";
var controlWordWhitespaceRegexString = "(" + controlWordRegexString + ")" + spaceRegexString + "*";
var controlSpaceRegexString = "\\\\(\n|[ \r	]+\n?)[ \r	]*";
var combiningDiacriticalMarkString = "[\u0300-\u036F]";
var combiningDiacriticalMarksEndRegex = new RegExp(combiningDiacriticalMarkString + "+$");
var tokenRegexString = "(" + spaceRegexString + "+)|" + (controlSpaceRegexString + "|") + "([!-\\[\\]-\u2027\u202A-\uD7FF\uF900-\uFFFF]" + (combiningDiacriticalMarkString + "*") + "|[\uD800-\uDBFF][\uDC00-\uDFFF]" + (combiningDiacriticalMarkString + "*") + "|\\\\verb\\*([^]).*?\\4|\\\\verb([^*a-zA-Z]).*?\\5" + ("|" + controlWordWhitespaceRegexString) + ("|" + controlSymbolRegexString + ")");
var Lexer = class {
  constructor(input, settings) {
    this.input = void 0;
    this.settings = void 0;
    this.tokenRegex = void 0;
    this.catcodes = void 0;
    this.input = input;
    this.settings = settings;
    this.tokenRegex = new RegExp(tokenRegexString, "g");
    this.catcodes = {
      "%": 14,
      "~": 13
    };
  }
  setCatcode(char, code) {
    this.catcodes[char] = code;
  }
  lex() {
    var input = this.input;
    var pos = this.tokenRegex.lastIndex;
    if (pos === input.length) {
      return new Token("EOF", new SourceLocation(this, pos, pos));
    }
    var match = this.tokenRegex.exec(input);
    if (match === null || match.index !== pos) {
      throw new ParseError("Unexpected character: '" + input[pos] + "'", new Token(input[pos], new SourceLocation(this, pos, pos + 1)));
    }
    var text2 = match[6] || match[3] || (match[2] ? "\\ " : " ");
    if (this.catcodes[text2] === 14) {
      var nlIndex = input.indexOf("\n", this.tokenRegex.lastIndex);
      if (nlIndex === -1) {
        this.tokenRegex.lastIndex = input.length;
        this.settings.reportNonstrict("commentAtEnd", "% comment has no terminating newline; LaTeX would fail because of commenting the end of math mode (e.g. $)");
      } else {
        this.tokenRegex.lastIndex = nlIndex + 1;
      }
      return this.lex();
    }
    return new Token(text2, new SourceLocation(this, pos, this.tokenRegex.lastIndex));
  }
};
var Namespace = class {
  constructor(builtins, globalMacros) {
    if (builtins === void 0) {
      builtins = {};
    }
    if (globalMacros === void 0) {
      globalMacros = {};
    }
    this.current = void 0;
    this.builtins = void 0;
    this.undefStack = void 0;
    this.current = globalMacros;
    this.builtins = builtins;
    this.undefStack = [];
  }
  beginGroup() {
    this.undefStack.push({});
  }
  endGroup() {
    if (this.undefStack.length === 0) {
      throw new ParseError("Unbalanced namespace destruction: attempt to pop global namespace; please report this as a bug");
    }
    var undefs = this.undefStack.pop();
    for (var undef in undefs) {
      if (undefs.hasOwnProperty(undef)) {
        if (undefs[undef] == null) {
          delete this.current[undef];
        } else {
          this.current[undef] = undefs[undef];
        }
      }
    }
  }
  endGroups() {
    while (this.undefStack.length > 0) {
      this.endGroup();
    }
  }
  has(name) {
    return this.current.hasOwnProperty(name) || this.builtins.hasOwnProperty(name);
  }
  get(name) {
    if (this.current.hasOwnProperty(name)) {
      return this.current[name];
    } else {
      return this.builtins[name];
    }
  }
  set(name, value, global) {
    if (global === void 0) {
      global = false;
    }
    if (global) {
      for (var i = 0; i < this.undefStack.length; i++) {
        delete this.undefStack[i][name];
      }
      if (this.undefStack.length > 0) {
        this.undefStack[this.undefStack.length - 1][name] = value;
      }
    } else {
      var top = this.undefStack[this.undefStack.length - 1];
      if (top && !top.hasOwnProperty(name)) {
        top[name] = this.current[name];
      }
    }
    if (value == null) {
      delete this.current[name];
    } else {
      this.current[name] = value;
    }
  }
};
var macros = _macros;
defineMacro("\\noexpand", function(context) {
  var t = context.popToken();
  if (context.isExpandable(t.text)) {
    t.noexpand = true;
    t.treatAsRelax = true;
  }
  return {
    tokens: [t],
    numArgs: 0
  };
});
defineMacro("\\expandafter", function(context) {
  var t = context.popToken();
  context.expandOnce(true);
  return {
    tokens: [t],
    numArgs: 0
  };
});
defineMacro("\\@firstoftwo", function(context) {
  var args = context.consumeArgs(2);
  return {
    tokens: args[0],
    numArgs: 0
  };
});
defineMacro("\\@secondoftwo", function(context) {
  var args = context.consumeArgs(2);
  return {
    tokens: args[1],
    numArgs: 0
  };
});
defineMacro("\\@ifnextchar", function(context) {
  var args = context.consumeArgs(3);
  context.consumeSpaces();
  var nextToken = context.future();
  if (args[0].length === 1 && args[0][0].text === nextToken.text) {
    return {
      tokens: args[1],
      numArgs: 0
    };
  } else {
    return {
      tokens: args[2],
      numArgs: 0
    };
  }
});
defineMacro("\\@ifstar", "\\@ifnextchar *{\\@firstoftwo{#1}}");
defineMacro("\\TextOrMath", function(context) {
  var args = context.consumeArgs(2);
  if (context.mode === "text") {
    return {
      tokens: args[0],
      numArgs: 0
    };
  } else {
    return {
      tokens: args[1],
      numArgs: 0
    };
  }
});
var digitToNumber = {
  "0": 0,
  "1": 1,
  "2": 2,
  "3": 3,
  "4": 4,
  "5": 5,
  "6": 6,
  "7": 7,
  "8": 8,
  "9": 9,
  "a": 10,
  "A": 10,
  "b": 11,
  "B": 11,
  "c": 12,
  "C": 12,
  "d": 13,
  "D": 13,
  "e": 14,
  "E": 14,
  "f": 15,
  "F": 15
};
defineMacro("\\char", function(context) {
  var token = context.popToken();
  var base;
  var number = "";
  if (token.text === "'") {
    base = 8;
    token = context.popToken();
  } else if (token.text === '"') {
    base = 16;
    token = context.popToken();
  } else if (token.text === "`") {
    token = context.popToken();
    if (token.text[0] === "\\") {
      number = token.text.charCodeAt(1);
    } else if (token.text === "EOF") {
      throw new ParseError("\\char` missing argument");
    } else {
      number = token.text.charCodeAt(0);
    }
  } else {
    base = 10;
  }
  if (base) {
    number = digitToNumber[token.text];
    if (number == null || number >= base) {
      throw new ParseError("Invalid base-" + base + " digit " + token.text);
    }
    var digit;
    while ((digit = digitToNumber[context.future().text]) != null && digit < base) {
      number *= base;
      number += digit;
      context.popToken();
    }
  }
  return "\\@char{" + number + "}";
});
var newcommand = (context, existsOK, nonexistsOK) => {
  var arg = context.consumeArg().tokens;
  if (arg.length !== 1) {
    throw new ParseError("\\newcommand's first argument must be a macro name");
  }
  var name = arg[0].text;
  var exists = context.isDefined(name);
  if (exists && !existsOK) {
    throw new ParseError("\\newcommand{" + name + "} attempting to redefine " + (name + "; use \\renewcommand"));
  }
  if (!exists && !nonexistsOK) {
    throw new ParseError("\\renewcommand{" + name + "} when command " + name + " does not yet exist; use \\newcommand");
  }
  var numArgs = 0;
  arg = context.consumeArg().tokens;
  if (arg.length === 1 && arg[0].text === "[") {
    var argText = "";
    var token = context.expandNextToken();
    while (token.text !== "]" && token.text !== "EOF") {
      argText += token.text;
      token = context.expandNextToken();
    }
    if (!argText.match(/^\s*[0-9]+\s*$/)) {
      throw new ParseError("Invalid number of arguments: " + argText);
    }
    numArgs = parseInt(argText);
    arg = context.consumeArg().tokens;
  }
  context.macros.set(name, {
    tokens: arg,
    numArgs
  });
  return "";
};
defineMacro("\\newcommand", (context) => newcommand(context, false, true));
defineMacro("\\renewcommand", (context) => newcommand(context, true, false));
defineMacro("\\providecommand", (context) => newcommand(context, true, true));
defineMacro("\\message", (context) => {
  var arg = context.consumeArgs(1)[0];
  console.log(arg.reverse().map((token) => token.text).join(""));
  return "";
});
defineMacro("\\errmessage", (context) => {
  var arg = context.consumeArgs(1)[0];
  console.error(arg.reverse().map((token) => token.text).join(""));
  return "";
});
defineMacro("\\show", (context) => {
  var tok = context.popToken();
  var name = tok.text;
  console.log(tok, context.macros.get(name), functions[name], symbols.math[name], symbols.text[name]);
  return "";
});
defineMacro("\\bgroup", "{");
defineMacro("\\egroup", "}");
defineMacro("~", "\\nobreakspace");
defineMacro("\\lq", "`");
defineMacro("\\rq", "'");
defineMacro("\\aa", "\\r a");
defineMacro("\\AA", "\\r A");
defineMacro("\\textcopyright", "\\html@mathml{\\textcircled{c}}{\\char`\xA9}");
defineMacro("\\copyright", "\\TextOrMath{\\textcopyright}{\\text{\\textcopyright}}");
defineMacro("\\textregistered", "\\html@mathml{\\textcircled{\\scriptsize R}}{\\char`\xAE}");
defineMacro("\u212C", "\\mathscr{B}");
defineMacro("\u2130", "\\mathscr{E}");
defineMacro("\u2131", "\\mathscr{F}");
defineMacro("\u210B", "\\mathscr{H}");
defineMacro("\u2110", "\\mathscr{I}");
defineMacro("\u2112", "\\mathscr{L}");
defineMacro("\u2133", "\\mathscr{M}");
defineMacro("\u211B", "\\mathscr{R}");
defineMacro("\u212D", "\\mathfrak{C}");
defineMacro("\u210C", "\\mathfrak{H}");
defineMacro("\u2128", "\\mathfrak{Z}");
defineMacro("\\Bbbk", "\\Bbb{k}");
defineMacro("\xB7", "\\cdotp");
defineMacro("\\llap", "\\mathllap{\\textrm{#1}}");
defineMacro("\\rlap", "\\mathrlap{\\textrm{#1}}");
defineMacro("\\clap", "\\mathclap{\\textrm{#1}}");
defineMacro("\\mathstrut", "\\vphantom{(}");
defineMacro("\\underbar", "\\underline{\\text{#1}}");
defineMacro("\\not", '\\html@mathml{\\mathrel{\\mathrlap\\@not}}{\\char"338}');
defineMacro("\\neq", "\\html@mathml{\\mathrel{\\not=}}{\\mathrel{\\char`\u2260}}");
defineMacro("\\ne", "\\neq");
defineMacro("\u2260", "\\neq");
defineMacro("\\notin", "\\html@mathml{\\mathrel{{\\in}\\mathllap{/\\mskip1mu}}}{\\mathrel{\\char`\u2209}}");
defineMacro("\u2209", "\\notin");
defineMacro("\u2258", "\\html@mathml{\\mathrel{=\\kern{-1em}\\raisebox{0.4em}{$\\scriptsize\\frown$}}}{\\mathrel{\\char`\u2258}}");
defineMacro("\u2259", "\\html@mathml{\\stackrel{\\tiny\\wedge}{=}}{\\mathrel{\\char`\u2258}}");
defineMacro("\u225A", "\\html@mathml{\\stackrel{\\tiny\\vee}{=}}{\\mathrel{\\char`\u225A}}");
defineMacro("\u225B", "\\html@mathml{\\stackrel{\\scriptsize\\star}{=}}{\\mathrel{\\char`\u225B}}");
defineMacro("\u225D", "\\html@mathml{\\stackrel{\\tiny\\mathrm{def}}{=}}{\\mathrel{\\char`\u225D}}");
defineMacro("\u225E", "\\html@mathml{\\stackrel{\\tiny\\mathrm{m}}{=}}{\\mathrel{\\char`\u225E}}");
defineMacro("\u225F", "\\html@mathml{\\stackrel{\\tiny?}{=}}{\\mathrel{\\char`\u225F}}");
defineMacro("\u27C2", "\\perp");
defineMacro("\u203C", "\\mathclose{!\\mkern-0.8mu!}");
defineMacro("\u220C", "\\notni");
defineMacro("\u231C", "\\ulcorner");
defineMacro("\u231D", "\\urcorner");
defineMacro("\u231E", "\\llcorner");
defineMacro("\u231F", "\\lrcorner");
defineMacro("\xA9", "\\copyright");
defineMacro("\xAE", "\\textregistered");
defineMacro("\uFE0F", "\\textregistered");
defineMacro("\\ulcorner", '\\html@mathml{\\@ulcorner}{\\mathop{\\char"231c}}');
defineMacro("\\urcorner", '\\html@mathml{\\@urcorner}{\\mathop{\\char"231d}}');
defineMacro("\\llcorner", '\\html@mathml{\\@llcorner}{\\mathop{\\char"231e}}');
defineMacro("\\lrcorner", '\\html@mathml{\\@lrcorner}{\\mathop{\\char"231f}}');
defineMacro("\\vdots", "\\mathord{\\varvdots\\rule{0pt}{15pt}}");
defineMacro("\u22EE", "\\vdots");
defineMacro("\\varGamma", "\\mathit{\\Gamma}");
defineMacro("\\varDelta", "\\mathit{\\Delta}");
defineMacro("\\varTheta", "\\mathit{\\Theta}");
defineMacro("\\varLambda", "\\mathit{\\Lambda}");
defineMacro("\\varXi", "\\mathit{\\Xi}");
defineMacro("\\varPi", "\\mathit{\\Pi}");
defineMacro("\\varSigma", "\\mathit{\\Sigma}");
defineMacro("\\varUpsilon", "\\mathit{\\Upsilon}");
defineMacro("\\varPhi", "\\mathit{\\Phi}");
defineMacro("\\varPsi", "\\mathit{\\Psi}");
defineMacro("\\varOmega", "\\mathit{\\Omega}");
defineMacro("\\substack", "\\begin{subarray}{c}#1\\end{subarray}");
defineMacro("\\colon", "\\nobreak\\mskip2mu\\mathpunct{}\\mathchoice{\\mkern-3mu}{\\mkern-3mu}{}{}{:}\\mskip6mu\\relax");
defineMacro("\\boxed", "\\fbox{$\\displaystyle{#1}$}");
defineMacro("\\iff", "\\DOTSB\\;\\Longleftrightarrow\\;");
defineMacro("\\implies", "\\DOTSB\\;\\Longrightarrow\\;");
defineMacro("\\impliedby", "\\DOTSB\\;\\Longleftarrow\\;");
var dotsByToken = {
  ",": "\\dotsc",
  "\\not": "\\dotsb",
  "+": "\\dotsb",
  "=": "\\dotsb",
  "<": "\\dotsb",
  ">": "\\dotsb",
  "-": "\\dotsb",
  "*": "\\dotsb",
  ":": "\\dotsb",
  "\\DOTSB": "\\dotsb",
  "\\coprod": "\\dotsb",
  "\\bigvee": "\\dotsb",
  "\\bigwedge": "\\dotsb",
  "\\biguplus": "\\dotsb",
  "\\bigcap": "\\dotsb",
  "\\bigcup": "\\dotsb",
  "\\prod": "\\dotsb",
  "\\sum": "\\dotsb",
  "\\bigotimes": "\\dotsb",
  "\\bigoplus": "\\dotsb",
  "\\bigodot": "\\dotsb",
  "\\bigsqcup": "\\dotsb",
  "\\And": "\\dotsb",
  "\\longrightarrow": "\\dotsb",
  "\\Longrightarrow": "\\dotsb",
  "\\longleftarrow": "\\dotsb",
  "\\Longleftarrow": "\\dotsb",
  "\\longleftrightarrow": "\\dotsb",
  "\\Longleftrightarrow": "\\dotsb",
  "\\mapsto": "\\dotsb",
  "\\longmapsto": "\\dotsb",
  "\\hookrightarrow": "\\dotsb",
  "\\doteq": "\\dotsb",
  "\\mathbin": "\\dotsb",
  "\\mathrel": "\\dotsb",
  "\\relbar": "\\dotsb",
  "\\Relbar": "\\dotsb",
  "\\xrightarrow": "\\dotsb",
  "\\xleftarrow": "\\dotsb",
  "\\DOTSI": "\\dotsi",
  "\\int": "\\dotsi",
  "\\oint": "\\dotsi",
  "\\iint": "\\dotsi",
  "\\iiint": "\\dotsi",
  "\\iiiint": "\\dotsi",
  "\\idotsint": "\\dotsi",
  "\\DOTSX": "\\dotsx"
};
defineMacro("\\dots", function(context) {
  var thedots = "\\dotso";
  var next = context.expandAfterFuture().text;
  if (next in dotsByToken) {
    thedots = dotsByToken[next];
  } else if (next.substr(0, 4) === "\\not") {
    thedots = "\\dotsb";
  } else if (next in symbols.math) {
    if (utils.contains(["bin", "rel"], symbols.math[next].group)) {
      thedots = "\\dotsb";
    }
  }
  return thedots;
});
var spaceAfterDots = {
  ")": true,
  "]": true,
  "\\rbrack": true,
  "\\}": true,
  "\\rbrace": true,
  "\\rangle": true,
  "\\rceil": true,
  "\\rfloor": true,
  "\\rgroup": true,
  "\\rmoustache": true,
  "\\right": true,
  "\\bigr": true,
  "\\biggr": true,
  "\\Bigr": true,
  "\\Biggr": true,
  "$": true,
  ";": true,
  ".": true,
  ",": true
};
defineMacro("\\dotso", function(context) {
  var next = context.future().text;
  if (next in spaceAfterDots) {
    return "\\ldots\\,";
  } else {
    return "\\ldots";
  }
});
defineMacro("\\dotsc", function(context) {
  var next = context.future().text;
  if (next in spaceAfterDots && next !== ",") {
    return "\\ldots\\,";
  } else {
    return "\\ldots";
  }
});
defineMacro("\\cdots", function(context) {
  var next = context.future().text;
  if (next in spaceAfterDots) {
    return "\\@cdots\\,";
  } else {
    return "\\@cdots";
  }
});
defineMacro("\\dotsb", "\\cdots");
defineMacro("\\dotsm", "\\cdots");
defineMacro("\\dotsi", "\\!\\cdots");
defineMacro("\\dotsx", "\\ldots\\,");
defineMacro("\\DOTSI", "\\relax");
defineMacro("\\DOTSB", "\\relax");
defineMacro("\\DOTSX", "\\relax");
defineMacro("\\tmspace", "\\TextOrMath{\\kern#1#3}{\\mskip#1#2}\\relax");
defineMacro("\\,", "\\tmspace+{3mu}{.1667em}");
defineMacro("\\thinspace", "\\,");
defineMacro("\\>", "\\mskip{4mu}");
defineMacro("\\:", "\\tmspace+{4mu}{.2222em}");
defineMacro("\\medspace", "\\:");
defineMacro("\\;", "\\tmspace+{5mu}{.2777em}");
defineMacro("\\thickspace", "\\;");
defineMacro("\\!", "\\tmspace-{3mu}{.1667em}");
defineMacro("\\negthinspace", "\\!");
defineMacro("\\negmedspace", "\\tmspace-{4mu}{.2222em}");
defineMacro("\\negthickspace", "\\tmspace-{5mu}{.277em}");
defineMacro("\\enspace", "\\kern.5em ");
defineMacro("\\enskip", "\\hskip.5em\\relax");
defineMacro("\\quad", "\\hskip1em\\relax");
defineMacro("\\qquad", "\\hskip2em\\relax");
defineMacro("\\tag", "\\@ifstar\\tag@literal\\tag@paren");
defineMacro("\\tag@paren", "\\tag@literal{({#1})}");
defineMacro("\\tag@literal", (context) => {
  if (context.macros.get("\\df@tag")) {
    throw new ParseError("Multiple \\tag");
  }
  return "\\gdef\\df@tag{\\text{#1}}";
});
defineMacro("\\bmod", "\\mathchoice{\\mskip1mu}{\\mskip1mu}{\\mskip5mu}{\\mskip5mu}\\mathbin{\\rm mod}\\mathchoice{\\mskip1mu}{\\mskip1mu}{\\mskip5mu}{\\mskip5mu}");
defineMacro("\\pod", "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern8mu}{\\mkern8mu}{\\mkern8mu}(#1)");
defineMacro("\\pmod", "\\pod{{\\rm mod}\\mkern6mu#1}");
defineMacro("\\mod", "\\allowbreak\\mathchoice{\\mkern18mu}{\\mkern12mu}{\\mkern12mu}{\\mkern12mu}{\\rm mod}\\,\\,#1");
defineMacro("\\pmb", "\\html@mathml{\\@binrel{#1}{\\mathrlap{#1}\\kern0.5px#1}}{\\mathbf{#1}}");
defineMacro("\\newline", "\\\\\\relax");
defineMacro("\\TeX", "\\textrm{\\html@mathml{T\\kern-.1667em\\raisebox{-.5ex}{E}\\kern-.125emX}{TeX}}");
var latexRaiseA = makeEm(fontMetricsData["Main-Regular"]["T".charCodeAt(0)][1] - 0.7 * fontMetricsData["Main-Regular"]["A".charCodeAt(0)][1]);
defineMacro("\\LaTeX", "\\textrm{\\html@mathml{" + ("L\\kern-.36em\\raisebox{" + latexRaiseA + "}{\\scriptstyle A}") + "\\kern-.15em\\TeX}{LaTeX}}");
defineMacro("\\KaTeX", "\\textrm{\\html@mathml{" + ("K\\kern-.17em\\raisebox{" + latexRaiseA + "}{\\scriptstyle A}") + "\\kern-.15em\\TeX}{KaTeX}}");
defineMacro("\\hspace", "\\@ifstar\\@hspacer\\@hspace");
defineMacro("\\@hspace", "\\hskip #1\\relax");
defineMacro("\\@hspacer", "\\rule{0pt}{0pt}\\hskip #1\\relax");
defineMacro("\\ordinarycolon", ":");
defineMacro("\\vcentcolon", "\\mathrel{\\mathop\\ordinarycolon}");
defineMacro("\\dblcolon", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-.9mu}\\vcentcolon}}{\\mathop{\\char"2237}}');
defineMacro("\\coloneqq", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}=}}{\\mathop{\\char"2254}}');
defineMacro("\\Coloneqq", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}=}}{\\mathop{\\char"2237\\char"3d}}');
defineMacro("\\coloneq", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\mathrel{-}}}{\\mathop{\\char"3a\\char"2212}}');
defineMacro("\\Coloneq", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\mathrel{-}}}{\\mathop{\\char"2237\\char"2212}}');
defineMacro("\\eqqcolon", '\\html@mathml{\\mathrel{=\\mathrel{\\mkern-1.2mu}\\vcentcolon}}{\\mathop{\\char"2255}}');
defineMacro("\\Eqqcolon", '\\html@mathml{\\mathrel{=\\mathrel{\\mkern-1.2mu}\\dblcolon}}{\\mathop{\\char"3d\\char"2237}}');
defineMacro("\\eqcolon", '\\html@mathml{\\mathrel{\\mathrel{-}\\mathrel{\\mkern-1.2mu}\\vcentcolon}}{\\mathop{\\char"2239}}');
defineMacro("\\Eqcolon", '\\html@mathml{\\mathrel{\\mathrel{-}\\mathrel{\\mkern-1.2mu}\\dblcolon}}{\\mathop{\\char"2212\\char"2237}}');
defineMacro("\\colonapprox", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\approx}}{\\mathop{\\char"3a\\char"2248}}');
defineMacro("\\Colonapprox", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\approx}}{\\mathop{\\char"2237\\char"2248}}');
defineMacro("\\colonsim", '\\html@mathml{\\mathrel{\\vcentcolon\\mathrel{\\mkern-1.2mu}\\sim}}{\\mathop{\\char"3a\\char"223c}}');
defineMacro("\\Colonsim", '\\html@mathml{\\mathrel{\\dblcolon\\mathrel{\\mkern-1.2mu}\\sim}}{\\mathop{\\char"2237\\char"223c}}');
defineMacro("\u2237", "\\dblcolon");
defineMacro("\u2239", "\\eqcolon");
defineMacro("\u2254", "\\coloneqq");
defineMacro("\u2255", "\\eqqcolon");
defineMacro("\u2A74", "\\Coloneqq");
defineMacro("\\ratio", "\\vcentcolon");
defineMacro("\\coloncolon", "\\dblcolon");
defineMacro("\\colonequals", "\\coloneqq");
defineMacro("\\coloncolonequals", "\\Coloneqq");
defineMacro("\\equalscolon", "\\eqqcolon");
defineMacro("\\equalscoloncolon", "\\Eqqcolon");
defineMacro("\\colonminus", "\\coloneq");
defineMacro("\\coloncolonminus", "\\Coloneq");
defineMacro("\\minuscolon", "\\eqcolon");
defineMacro("\\minuscoloncolon", "\\Eqcolon");
defineMacro("\\coloncolonapprox", "\\Colonapprox");
defineMacro("\\coloncolonsim", "\\Colonsim");
defineMacro("\\simcolon", "\\mathrel{\\sim\\mathrel{\\mkern-1.2mu}\\vcentcolon}");
defineMacro("\\simcoloncolon", "\\mathrel{\\sim\\mathrel{\\mkern-1.2mu}\\dblcolon}");
defineMacro("\\approxcolon", "\\mathrel{\\approx\\mathrel{\\mkern-1.2mu}\\vcentcolon}");
defineMacro("\\approxcoloncolon", "\\mathrel{\\approx\\mathrel{\\mkern-1.2mu}\\dblcolon}");
defineMacro("\\notni", "\\html@mathml{\\not\\ni}{\\mathrel{\\char`\u220C}}");
defineMacro("\\limsup", "\\DOTSB\\operatorname*{lim\\,sup}");
defineMacro("\\liminf", "\\DOTSB\\operatorname*{lim\\,inf}");
defineMacro("\\injlim", "\\DOTSB\\operatorname*{inj\\,lim}");
defineMacro("\\projlim", "\\DOTSB\\operatorname*{proj\\,lim}");
defineMacro("\\varlimsup", "\\DOTSB\\operatorname*{\\overline{lim}}");
defineMacro("\\varliminf", "\\DOTSB\\operatorname*{\\underline{lim}}");
defineMacro("\\varinjlim", "\\DOTSB\\operatorname*{\\underrightarrow{lim}}");
defineMacro("\\varprojlim", "\\DOTSB\\operatorname*{\\underleftarrow{lim}}");
defineMacro("\\gvertneqq", "\\html@mathml{\\@gvertneqq}{\u2269}");
defineMacro("\\lvertneqq", "\\html@mathml{\\@lvertneqq}{\u2268}");
defineMacro("\\ngeqq", "\\html@mathml{\\@ngeqq}{\u2271}");
defineMacro("\\ngeqslant", "\\html@mathml{\\@ngeqslant}{\u2271}");
defineMacro("\\nleqq", "\\html@mathml{\\@nleqq}{\u2270}");
defineMacro("\\nleqslant", "\\html@mathml{\\@nleqslant}{\u2270}");
defineMacro("\\nshortmid", "\\html@mathml{\\@nshortmid}{\u2224}");
defineMacro("\\nshortparallel", "\\html@mathml{\\@nshortparallel}{\u2226}");
defineMacro("\\nsubseteqq", "\\html@mathml{\\@nsubseteqq}{\u2288}");
defineMacro("\\nsupseteqq", "\\html@mathml{\\@nsupseteqq}{\u2289}");
defineMacro("\\varsubsetneq", "\\html@mathml{\\@varsubsetneq}{\u228A}");
defineMacro("\\varsubsetneqq", "\\html@mathml{\\@varsubsetneqq}{\u2ACB}");
defineMacro("\\varsupsetneq", "\\html@mathml{\\@varsupsetneq}{\u228B}");
defineMacro("\\varsupsetneqq", "\\html@mathml{\\@varsupsetneqq}{\u2ACC}");
defineMacro("\\imath", "\\html@mathml{\\@imath}{\u0131}");
defineMacro("\\jmath", "\\html@mathml{\\@jmath}{\u0237}");
defineMacro("\\llbracket", "\\html@mathml{\\mathopen{[\\mkern-3.2mu[}}{\\mathopen{\\char`\u27E6}}");
defineMacro("\\rrbracket", "\\html@mathml{\\mathclose{]\\mkern-3.2mu]}}{\\mathclose{\\char`\u27E7}}");
defineMacro("\u27E6", "\\llbracket");
defineMacro("\u27E7", "\\rrbracket");
defineMacro("\\lBrace", "\\html@mathml{\\mathopen{\\{\\mkern-3.2mu[}}{\\mathopen{\\char`\u2983}}");
defineMacro("\\rBrace", "\\html@mathml{\\mathclose{]\\mkern-3.2mu\\}}}{\\mathclose{\\char`\u2984}}");
defineMacro("\u2983", "\\lBrace");
defineMacro("\u2984", "\\rBrace");
defineMacro("\\minuso", "\\mathbin{\\html@mathml{{\\mathrlap{\\mathchoice{\\kern{0.145em}}{\\kern{0.145em}}{\\kern{0.1015em}}{\\kern{0.0725em}}\\circ}{-}}}{\\char`\u29B5}}");
defineMacro("\u29B5", "\\minuso");
defineMacro("\\darr", "\\downarrow");
defineMacro("\\dArr", "\\Downarrow");
defineMacro("\\Darr", "\\Downarrow");
defineMacro("\\lang", "\\langle");
defineMacro("\\rang", "\\rangle");
defineMacro("\\uarr", "\\uparrow");
defineMacro("\\uArr", "\\Uparrow");
defineMacro("\\Uarr", "\\Uparrow");
defineMacro("\\N", "\\mathbb{N}");
defineMacro("\\R", "\\mathbb{R}");
defineMacro("\\Z", "\\mathbb{Z}");
defineMacro("\\alef", "\\aleph");
defineMacro("\\alefsym", "\\aleph");
defineMacro("\\Alpha", "\\mathrm{A}");
defineMacro("\\Beta", "\\mathrm{B}");
defineMacro("\\bull", "\\bullet");
defineMacro("\\Chi", "\\mathrm{X}");
defineMacro("\\clubs", "\\clubsuit");
defineMacro("\\cnums", "\\mathbb{C}");
defineMacro("\\Complex", "\\mathbb{C}");
defineMacro("\\Dagger", "\\ddagger");
defineMacro("\\diamonds", "\\diamondsuit");
defineMacro("\\empty", "\\emptyset");
defineMacro("\\Epsilon", "\\mathrm{E}");
defineMacro("\\Eta", "\\mathrm{H}");
defineMacro("\\exist", "\\exists");
defineMacro("\\harr", "\\leftrightarrow");
defineMacro("\\hArr", "\\Leftrightarrow");
defineMacro("\\Harr", "\\Leftrightarrow");
defineMacro("\\hearts", "\\heartsuit");
defineMacro("\\image", "\\Im");
defineMacro("\\infin", "\\infty");
defineMacro("\\Iota", "\\mathrm{I}");
defineMacro("\\isin", "\\in");
defineMacro("\\Kappa", "\\mathrm{K}");
defineMacro("\\larr", "\\leftarrow");
defineMacro("\\lArr", "\\Leftarrow");
defineMacro("\\Larr", "\\Leftarrow");
defineMacro("\\lrarr", "\\leftrightarrow");
defineMacro("\\lrArr", "\\Leftrightarrow");
defineMacro("\\Lrarr", "\\Leftrightarrow");
defineMacro("\\Mu", "\\mathrm{M}");
defineMacro("\\natnums", "\\mathbb{N}");
defineMacro("\\Nu", "\\mathrm{N}");
defineMacro("\\Omicron", "\\mathrm{O}");
defineMacro("\\plusmn", "\\pm");
defineMacro("\\rarr", "\\rightarrow");
defineMacro("\\rArr", "\\Rightarrow");
defineMacro("\\Rarr", "\\Rightarrow");
defineMacro("\\real", "\\Re");
defineMacro("\\reals", "\\mathbb{R}");
defineMacro("\\Reals", "\\mathbb{R}");
defineMacro("\\Rho", "\\mathrm{P}");
defineMacro("\\sdot", "\\cdot");
defineMacro("\\sect", "\\S");
defineMacro("\\spades", "\\spadesuit");
defineMacro("\\sub", "\\subset");
defineMacro("\\sube", "\\subseteq");
defineMacro("\\supe", "\\supseteq");
defineMacro("\\Tau", "\\mathrm{T}");
defineMacro("\\thetasym", "\\vartheta");
defineMacro("\\weierp", "\\wp");
defineMacro("\\Zeta", "\\mathrm{Z}");
defineMacro("\\argmin", "\\DOTSB\\operatorname*{arg\\,min}");
defineMacro("\\argmax", "\\DOTSB\\operatorname*{arg\\,max}");
defineMacro("\\plim", "\\DOTSB\\mathop{\\operatorname{plim}}\\limits");
defineMacro("\\bra", "\\mathinner{\\langle{#1}|}");
defineMacro("\\ket", "\\mathinner{|{#1}\\rangle}");
defineMacro("\\braket", "\\mathinner{\\langle{#1}\\rangle}");
defineMacro("\\Bra", "\\left\\langle#1\\right|");
defineMacro("\\Ket", "\\left|#1\\right\\rangle");
defineMacro("\\angln", "{\\angl n}");
defineMacro("\\blue", "\\textcolor{##6495ed}{#1}");
defineMacro("\\orange", "\\textcolor{##ffa500}{#1}");
defineMacro("\\pink", "\\textcolor{##ff00af}{#1}");
defineMacro("\\red", "\\textcolor{##df0030}{#1}");
defineMacro("\\green", "\\textcolor{##28ae7b}{#1}");
defineMacro("\\gray", "\\textcolor{gray}{#1}");
defineMacro("\\purple", "\\textcolor{##9d38bd}{#1}");
defineMacro("\\blueA", "\\textcolor{##ccfaff}{#1}");
defineMacro("\\blueB", "\\textcolor{##80f6ff}{#1}");
defineMacro("\\blueC", "\\textcolor{##63d9ea}{#1}");
defineMacro("\\blueD", "\\textcolor{##11accd}{#1}");
defineMacro("\\blueE", "\\textcolor{##0c7f99}{#1}");
defineMacro("\\tealA", "\\textcolor{##94fff5}{#1}");
defineMacro("\\tealB", "\\textcolor{##26edd5}{#1}");
defineMacro("\\tealC", "\\textcolor{##01d1c1}{#1}");
defineMacro("\\tealD", "\\textcolor{##01a995}{#1}");
defineMacro("\\tealE", "\\textcolor{##208170}{#1}");
defineMacro("\\greenA", "\\textcolor{##b6ffb0}{#1}");
defineMacro("\\greenB", "\\textcolor{##8af281}{#1}");
defineMacro("\\greenC", "\\textcolor{##74cf70}{#1}");
defineMacro("\\greenD", "\\textcolor{##1fab54}{#1}");
defineMacro("\\greenE", "\\textcolor{##0d923f}{#1}");
defineMacro("\\goldA", "\\textcolor{##ffd0a9}{#1}");
defineMacro("\\goldB", "\\textcolor{##ffbb71}{#1}");
defineMacro("\\goldC", "\\textcolor{##ff9c39}{#1}");
defineMacro("\\goldD", "\\textcolor{##e07d10}{#1}");
defineMacro("\\goldE", "\\textcolor{##a75a05}{#1}");
defineMacro("\\redA", "\\textcolor{##fca9a9}{#1}");
defineMacro("\\redB", "\\textcolor{##ff8482}{#1}");
defineMacro("\\redC", "\\textcolor{##f9685d}{#1}");
defineMacro("\\redD", "\\textcolor{##e84d39}{#1}");
defineMacro("\\redE", "\\textcolor{##bc2612}{#1}");
defineMacro("\\maroonA", "\\textcolor{##ffbde0}{#1}");
defineMacro("\\maroonB", "\\textcolor{##ff92c6}{#1}");
defineMacro("\\maroonC", "\\textcolor{##ed5fa6}{#1}");
defineMacro("\\maroonD", "\\textcolor{##ca337c}{#1}");
defineMacro("\\maroonE", "\\textcolor{##9e034e}{#1}");
defineMacro("\\purpleA", "\\textcolor{##ddd7ff}{#1}");
defineMacro("\\purpleB", "\\textcolor{##c6b9fc}{#1}");
defineMacro("\\purpleC", "\\textcolor{##aa87ff}{#1}");
defineMacro("\\purpleD", "\\textcolor{##7854ab}{#1}");
defineMacro("\\purpleE", "\\textcolor{##543b78}{#1}");
defineMacro("\\mintA", "\\textcolor{##f5f9e8}{#1}");
defineMacro("\\mintB", "\\textcolor{##edf2df}{#1}");
defineMacro("\\mintC", "\\textcolor{##e0e5cc}{#1}");
defineMacro("\\grayA", "\\textcolor{##f6f7f7}{#1}");
defineMacro("\\grayB", "\\textcolor{##f0f1f2}{#1}");
defineMacro("\\grayC", "\\textcolor{##e3e5e6}{#1}");
defineMacro("\\grayD", "\\textcolor{##d6d8da}{#1}");
defineMacro("\\grayE", "\\textcolor{##babec2}{#1}");
defineMacro("\\grayF", "\\textcolor{##888d93}{#1}");
defineMacro("\\grayG", "\\textcolor{##626569}{#1}");
defineMacro("\\grayH", "\\textcolor{##3b3e40}{#1}");
defineMacro("\\grayI", "\\textcolor{##21242c}{#1}");
defineMacro("\\kaBlue", "\\textcolor{##314453}{#1}");
defineMacro("\\kaGreen", "\\textcolor{##71B307}{#1}");
var implicitCommands = {
  "^": true,
  "_": true,
  "\\limits": true,
  "\\nolimits": true
};
var MacroExpander = class {
  constructor(input, settings, mode) {
    this.settings = void 0;
    this.expansionCount = void 0;
    this.lexer = void 0;
    this.macros = void 0;
    this.stack = void 0;
    this.mode = void 0;
    this.settings = settings;
    this.expansionCount = 0;
    this.feed(input);
    this.macros = new Namespace(macros, settings.macros);
    this.mode = mode;
    this.stack = [];
  }
  feed(input) {
    this.lexer = new Lexer(input, this.settings);
  }
  switchMode(newMode) {
    this.mode = newMode;
  }
  beginGroup() {
    this.macros.beginGroup();
  }
  endGroup() {
    this.macros.endGroup();
  }
  endGroups() {
    this.macros.endGroups();
  }
  future() {
    if (this.stack.length === 0) {
      this.pushToken(this.lexer.lex());
    }
    return this.stack[this.stack.length - 1];
  }
  popToken() {
    this.future();
    return this.stack.pop();
  }
  pushToken(token) {
    this.stack.push(token);
  }
  pushTokens(tokens) {
    this.stack.push(...tokens);
  }
  scanArgument(isOptional) {
    var start;
    var end;
    var tokens;
    if (isOptional) {
      this.consumeSpaces();
      if (this.future().text !== "[") {
        return null;
      }
      start = this.popToken();
      ({
        tokens,
        end
      } = this.consumeArg(["]"]));
    } else {
      ({
        tokens,
        start,
        end
      } = this.consumeArg());
    }
    this.pushToken(new Token("EOF", end.loc));
    this.pushTokens(tokens);
    return start.range(end, "");
  }
  consumeSpaces() {
    for (; ; ) {
      var token = this.future();
      if (token.text === " ") {
        this.stack.pop();
      } else {
        break;
      }
    }
  }
  consumeArg(delims) {
    var tokens = [];
    var isDelimited = delims && delims.length > 0;
    if (!isDelimited) {
      this.consumeSpaces();
    }
    var start = this.future();
    var tok;
    var depth = 0;
    var match = 0;
    do {
      tok = this.popToken();
      tokens.push(tok);
      if (tok.text === "{") {
        ++depth;
      } else if (tok.text === "}") {
        --depth;
        if (depth === -1) {
          throw new ParseError("Extra }", tok);
        }
      } else if (tok.text === "EOF") {
        throw new ParseError("Unexpected end of input in a macro argument, expected '" + (delims && isDelimited ? delims[match] : "}") + "'", tok);
      }
      if (delims && isDelimited) {
        if ((depth === 0 || depth === 1 && delims[match] === "{") && tok.text === delims[match]) {
          ++match;
          if (match === delims.length) {
            tokens.splice(-match, match);
            break;
          }
        } else {
          match = 0;
        }
      }
    } while (depth !== 0 || isDelimited);
    if (start.text === "{" && tokens[tokens.length - 1].text === "}") {
      tokens.pop();
      tokens.shift();
    }
    tokens.reverse();
    return {
      tokens,
      start,
      end: tok
    };
  }
  consumeArgs(numArgs, delimiters2) {
    if (delimiters2) {
      if (delimiters2.length !== numArgs + 1) {
        throw new ParseError("The length of delimiters doesn't match the number of args!");
      }
      var delims = delimiters2[0];
      for (var i = 0; i < delims.length; i++) {
        var tok = this.popToken();
        if (delims[i] !== tok.text) {
          throw new ParseError("Use of the macro doesn't match its definition", tok);
        }
      }
    }
    var args = [];
    for (var _i = 0; _i < numArgs; _i++) {
      args.push(this.consumeArg(delimiters2 && delimiters2[_i + 1]).tokens);
    }
    return args;
  }
  expandOnce(expandableOnly) {
    var topToken = this.popToken();
    var name = topToken.text;
    var expansion = !topToken.noexpand ? this._getExpansion(name) : null;
    if (expansion == null || expandableOnly && expansion.unexpandable) {
      if (expandableOnly && expansion == null && name[0] === "\\" && !this.isDefined(name)) {
        throw new ParseError("Undefined control sequence: " + name);
      }
      this.pushToken(topToken);
      return topToken;
    }
    this.expansionCount++;
    if (this.expansionCount > this.settings.maxExpand) {
      throw new ParseError("Too many expansions: infinite loop or need to increase maxExpand setting");
    }
    var tokens = expansion.tokens;
    var args = this.consumeArgs(expansion.numArgs, expansion.delimiters);
    if (expansion.numArgs) {
      tokens = tokens.slice();
      for (var i = tokens.length - 1; i >= 0; --i) {
        var tok = tokens[i];
        if (tok.text === "#") {
          if (i === 0) {
            throw new ParseError("Incomplete placeholder at end of macro body", tok);
          }
          tok = tokens[--i];
          if (tok.text === "#") {
            tokens.splice(i + 1, 1);
          } else if (/^[1-9]$/.test(tok.text)) {
            tokens.splice(i, 2, ...args[+tok.text - 1]);
          } else {
            throw new ParseError("Not a valid argument number", tok);
          }
        }
      }
    }
    this.pushTokens(tokens);
    return tokens;
  }
  expandAfterFuture() {
    this.expandOnce();
    return this.future();
  }
  expandNextToken() {
    for (; ; ) {
      var expanded = this.expandOnce();
      if (expanded instanceof Token) {
        if (expanded.treatAsRelax) {
          expanded.text = "\\relax";
        }
        return this.stack.pop();
      }
    }
    throw new Error();
  }
  expandMacro(name) {
    return this.macros.has(name) ? this.expandTokens([new Token(name)]) : void 0;
  }
  expandTokens(tokens) {
    var output = [];
    var oldStackLength = this.stack.length;
    this.pushTokens(tokens);
    while (this.stack.length > oldStackLength) {
      var expanded = this.expandOnce(true);
      if (expanded instanceof Token) {
        if (expanded.treatAsRelax) {
          expanded.noexpand = false;
          expanded.treatAsRelax = false;
        }
        output.push(this.stack.pop());
      }
    }
    return output;
  }
  expandMacroAsText(name) {
    var tokens = this.expandMacro(name);
    if (tokens) {
      return tokens.map((token) => token.text).join("");
    } else {
      return tokens;
    }
  }
  _getExpansion(name) {
    var definition = this.macros.get(name);
    if (definition == null) {
      return definition;
    }
    if (name.length === 1) {
      var catcode = this.lexer.catcodes[name];
      if (catcode != null && catcode !== 13) {
        return;
      }
    }
    var expansion = typeof definition === "function" ? definition(this) : definition;
    if (typeof expansion === "string") {
      var numArgs = 0;
      if (expansion.indexOf("#") !== -1) {
        var stripped = expansion.replace(/##/g, "");
        while (stripped.indexOf("#" + (numArgs + 1)) !== -1) {
          ++numArgs;
        }
      }
      var bodyLexer = new Lexer(expansion, this.settings);
      var tokens = [];
      var tok = bodyLexer.lex();
      while (tok.text !== "EOF") {
        tokens.push(tok);
        tok = bodyLexer.lex();
      }
      tokens.reverse();
      var expanded = {
        tokens,
        numArgs
      };
      return expanded;
    }
    return expansion;
  }
  isDefined(name) {
    return this.macros.has(name) || functions.hasOwnProperty(name) || symbols.math.hasOwnProperty(name) || symbols.text.hasOwnProperty(name) || implicitCommands.hasOwnProperty(name);
  }
  isExpandable(name) {
    var macro = this.macros.get(name);
    return macro != null ? typeof macro === "string" || typeof macro === "function" || !macro.unexpandable : functions.hasOwnProperty(name) && !functions[name].primitive;
  }
};
var unicodeAccents = {
  "\u0301": {
    "text": "\\'",
    "math": "\\acute"
  },
  "\u0300": {
    "text": "\\`",
    "math": "\\grave"
  },
  "\u0308": {
    "text": '\\"',
    "math": "\\ddot"
  },
  "\u0303": {
    "text": "\\~",
    "math": "\\tilde"
  },
  "\u0304": {
    "text": "\\=",
    "math": "\\bar"
  },
  "\u0306": {
    "text": "\\u",
    "math": "\\breve"
  },
  "\u030C": {
    "text": "\\v",
    "math": "\\check"
  },
  "\u0302": {
    "text": "\\^",
    "math": "\\hat"
  },
  "\u0307": {
    "text": "\\.",
    "math": "\\dot"
  },
  "\u030A": {
    "text": "\\r",
    "math": "\\mathring"
  },
  "\u030B": {
    "text": "\\H"
  },
  "\u0327": {
    "text": "\\c"
  }
};
var unicodeSymbols = {
  "\xE1": "a\u0301",
  "\xE0": "a\u0300",
  "\xE4": "a\u0308",
  "\u01DF": "a\u0308\u0304",
  "\xE3": "a\u0303",
  "\u0101": "a\u0304",
  "\u0103": "a\u0306",
  "\u1EAF": "a\u0306\u0301",
  "\u1EB1": "a\u0306\u0300",
  "\u1EB5": "a\u0306\u0303",
  "\u01CE": "a\u030C",
  "\xE2": "a\u0302",
  "\u1EA5": "a\u0302\u0301",
  "\u1EA7": "a\u0302\u0300",
  "\u1EAB": "a\u0302\u0303",
  "\u0227": "a\u0307",
  "\u01E1": "a\u0307\u0304",
  "\xE5": "a\u030A",
  "\u01FB": "a\u030A\u0301",
  "\u1E03": "b\u0307",
  "\u0107": "c\u0301",
  "\u1E09": "c\u0327\u0301",
  "\u010D": "c\u030C",
  "\u0109": "c\u0302",
  "\u010B": "c\u0307",
  "\xE7": "c\u0327",
  "\u010F": "d\u030C",
  "\u1E0B": "d\u0307",
  "\u1E11": "d\u0327",
  "\xE9": "e\u0301",
  "\xE8": "e\u0300",
  "\xEB": "e\u0308",
  "\u1EBD": "e\u0303",
  "\u0113": "e\u0304",
  "\u1E17": "e\u0304\u0301",
  "\u1E15": "e\u0304\u0300",
  "\u0115": "e\u0306",
  "\u1E1D": "e\u0327\u0306",
  "\u011B": "e\u030C",
  "\xEA": "e\u0302",
  "\u1EBF": "e\u0302\u0301",
  "\u1EC1": "e\u0302\u0300",
  "\u1EC5": "e\u0302\u0303",
  "\u0117": "e\u0307",
  "\u0229": "e\u0327",
  "\u1E1F": "f\u0307",
  "\u01F5": "g\u0301",
  "\u1E21": "g\u0304",
  "\u011F": "g\u0306",
  "\u01E7": "g\u030C",
  "\u011D": "g\u0302",
  "\u0121": "g\u0307",
  "\u0123": "g\u0327",
  "\u1E27": "h\u0308",
  "\u021F": "h\u030C",
  "\u0125": "h\u0302",
  "\u1E23": "h\u0307",
  "\u1E29": "h\u0327",
  "\xED": "i\u0301",
  "\xEC": "i\u0300",
  "\xEF": "i\u0308",
  "\u1E2F": "i\u0308\u0301",
  "\u0129": "i\u0303",
  "\u012B": "i\u0304",
  "\u012D": "i\u0306",
  "\u01D0": "i\u030C",
  "\xEE": "i\u0302",
  "\u01F0": "j\u030C",
  "\u0135": "j\u0302",
  "\u1E31": "k\u0301",
  "\u01E9": "k\u030C",
  "\u0137": "k\u0327",
  "\u013A": "l\u0301",
  "\u013E": "l\u030C",
  "\u013C": "l\u0327",
  "\u1E3F": "m\u0301",
  "\u1E41": "m\u0307",
  "\u0144": "n\u0301",
  "\u01F9": "n\u0300",
  "\xF1": "n\u0303",
  "\u0148": "n\u030C",
  "\u1E45": "n\u0307",
  "\u0146": "n\u0327",
  "\xF3": "o\u0301",
  "\xF2": "o\u0300",
  "\xF6": "o\u0308",
  "\u022B": "o\u0308\u0304",
  "\xF5": "o\u0303",
  "\u1E4D": "o\u0303\u0301",
  "\u1E4F": "o\u0303\u0308",
  "\u022D": "o\u0303\u0304",
  "\u014D": "o\u0304",
  "\u1E53": "o\u0304\u0301",
  "\u1E51": "o\u0304\u0300",
  "\u014F": "o\u0306",
  "\u01D2": "o\u030C",
  "\xF4": "o\u0302",
  "\u1ED1": "o\u0302\u0301",
  "\u1ED3": "o\u0302\u0300",
  "\u1ED7": "o\u0302\u0303",
  "\u022F": "o\u0307",
  "\u0231": "o\u0307\u0304",
  "\u0151": "o\u030B",
  "\u1E55": "p\u0301",
  "\u1E57": "p\u0307",
  "\u0155": "r\u0301",
  "\u0159": "r\u030C",
  "\u1E59": "r\u0307",
  "\u0157": "r\u0327",
  "\u015B": "s\u0301",
  "\u1E65": "s\u0301\u0307",
  "\u0161": "s\u030C",
  "\u1E67": "s\u030C\u0307",
  "\u015D": "s\u0302",
  "\u1E61": "s\u0307",
  "\u015F": "s\u0327",
  "\u1E97": "t\u0308",
  "\u0165": "t\u030C",
  "\u1E6B": "t\u0307",
  "\u0163": "t\u0327",
  "\xFA": "u\u0301",
  "\xF9": "u\u0300",
  "\xFC": "u\u0308",
  "\u01D8": "u\u0308\u0301",
  "\u01DC": "u\u0308\u0300",
  "\u01D6": "u\u0308\u0304",
  "\u01DA": "u\u0308\u030C",
  "\u0169": "u\u0303",
  "\u1E79": "u\u0303\u0301",
  "\u016B": "u\u0304",
  "\u1E7B": "u\u0304\u0308",
  "\u016D": "u\u0306",
  "\u01D4": "u\u030C",
  "\xFB": "u\u0302",
  "\u016F": "u\u030A",
  "\u0171": "u\u030B",
  "\u1E7D": "v\u0303",
  "\u1E83": "w\u0301",
  "\u1E81": "w\u0300",
  "\u1E85": "w\u0308",
  "\u0175": "w\u0302",
  "\u1E87": "w\u0307",
  "\u1E98": "w\u030A",
  "\u1E8D": "x\u0308",
  "\u1E8B": "x\u0307",
  "\xFD": "y\u0301",
  "\u1EF3": "y\u0300",
  "\xFF": "y\u0308",
  "\u1EF9": "y\u0303",
  "\u0233": "y\u0304",
  "\u0177": "y\u0302",
  "\u1E8F": "y\u0307",
  "\u1E99": "y\u030A",
  "\u017A": "z\u0301",
  "\u017E": "z\u030C",
  "\u1E91": "z\u0302",
  "\u017C": "z\u0307",
  "\xC1": "A\u0301",
  "\xC0": "A\u0300",
  "\xC4": "A\u0308",
  "\u01DE": "A\u0308\u0304",
  "\xC3": "A\u0303",
  "\u0100": "A\u0304",
  "\u0102": "A\u0306",
  "\u1EAE": "A\u0306\u0301",
  "\u1EB0": "A\u0306\u0300",
  "\u1EB4": "A\u0306\u0303",
  "\u01CD": "A\u030C",
  "\xC2": "A\u0302",
  "\u1EA4": "A\u0302\u0301",
  "\u1EA6": "A\u0302\u0300",
  "\u1EAA": "A\u0302\u0303",
  "\u0226": "A\u0307",
  "\u01E0": "A\u0307\u0304",
  "\xC5": "A\u030A",
  "\u01FA": "A\u030A\u0301",
  "\u1E02": "B\u0307",
  "\u0106": "C\u0301",
  "\u1E08": "C\u0327\u0301",
  "\u010C": "C\u030C",
  "\u0108": "C\u0302",
  "\u010A": "C\u0307",
  "\xC7": "C\u0327",
  "\u010E": "D\u030C",
  "\u1E0A": "D\u0307",
  "\u1E10": "D\u0327",
  "\xC9": "E\u0301",
  "\xC8": "E\u0300",
  "\xCB": "E\u0308",
  "\u1EBC": "E\u0303",
  "\u0112": "E\u0304",
  "\u1E16": "E\u0304\u0301",
  "\u1E14": "E\u0304\u0300",
  "\u0114": "E\u0306",
  "\u1E1C": "E\u0327\u0306",
  "\u011A": "E\u030C",
  "\xCA": "E\u0302",
  "\u1EBE": "E\u0302\u0301",
  "\u1EC0": "E\u0302\u0300",
  "\u1EC4": "E\u0302\u0303",
  "\u0116": "E\u0307",
  "\u0228": "E\u0327",
  "\u1E1E": "F\u0307",
  "\u01F4": "G\u0301",
  "\u1E20": "G\u0304",
  "\u011E": "G\u0306",
  "\u01E6": "G\u030C",
  "\u011C": "G\u0302",
  "\u0120": "G\u0307",
  "\u0122": "G\u0327",
  "\u1E26": "H\u0308",
  "\u021E": "H\u030C",
  "\u0124": "H\u0302",
  "\u1E22": "H\u0307",
  "\u1E28": "H\u0327",
  "\xCD": "I\u0301",
  "\xCC": "I\u0300",
  "\xCF": "I\u0308",
  "\u1E2E": "I\u0308\u0301",
  "\u0128": "I\u0303",
  "\u012A": "I\u0304",
  "\u012C": "I\u0306",
  "\u01CF": "I\u030C",
  "\xCE": "I\u0302",
  "\u0130": "I\u0307",
  "\u0134": "J\u0302",
  "\u1E30": "K\u0301",
  "\u01E8": "K\u030C",
  "\u0136": "K\u0327",
  "\u0139": "L\u0301",
  "\u013D": "L\u030C",
  "\u013B": "L\u0327",
  "\u1E3E": "M\u0301",
  "\u1E40": "M\u0307",
  "\u0143": "N\u0301",
  "\u01F8": "N\u0300",
  "\xD1": "N\u0303",
  "\u0147": "N\u030C",
  "\u1E44": "N\u0307",
  "\u0145": "N\u0327",
  "\xD3": "O\u0301",
  "\xD2": "O\u0300",
  "\xD6": "O\u0308",
  "\u022A": "O\u0308\u0304",
  "\xD5": "O\u0303",
  "\u1E4C": "O\u0303\u0301",
  "\u1E4E": "O\u0303\u0308",
  "\u022C": "O\u0303\u0304",
  "\u014C": "O\u0304",
  "\u1E52": "O\u0304\u0301",
  "\u1E50": "O\u0304\u0300",
  "\u014E": "O\u0306",
  "\u01D1": "O\u030C",
  "\xD4": "O\u0302",
  "\u1ED0": "O\u0302\u0301",
  "\u1ED2": "O\u0302\u0300",
  "\u1ED6": "O\u0302\u0303",
  "\u022E": "O\u0307",
  "\u0230": "O\u0307\u0304",
  "\u0150": "O\u030B",
  "\u1E54": "P\u0301",
  "\u1E56": "P\u0307",
  "\u0154": "R\u0301",
  "\u0158": "R\u030C",
  "\u1E58": "R\u0307",
  "\u0156": "R\u0327",
  "\u015A": "S\u0301",
  "\u1E64": "S\u0301\u0307",
  "\u0160": "S\u030C",
  "\u1E66": "S\u030C\u0307",
  "\u015C": "S\u0302",
  "\u1E60": "S\u0307",
  "\u015E": "S\u0327",
  "\u0164": "T\u030C",
  "\u1E6A": "T\u0307",
  "\u0162": "T\u0327",
  "\xDA": "U\u0301",
  "\xD9": "U\u0300",
  "\xDC": "U\u0308",
  "\u01D7": "U\u0308\u0301",
  "\u01DB": "U\u0308\u0300",
  "\u01D5": "U\u0308\u0304",
  "\u01D9": "U\u0308\u030C",
  "\u0168": "U\u0303",
  "\u1E78": "U\u0303\u0301",
  "\u016A": "U\u0304",
  "\u1E7A": "U\u0304\u0308",
  "\u016C": "U\u0306",
  "\u01D3": "U\u030C",
  "\xDB": "U\u0302",
  "\u016E": "U\u030A",
  "\u0170": "U\u030B",
  "\u1E7C": "V\u0303",
  "\u1E82": "W\u0301",
  "\u1E80": "W\u0300",
  "\u1E84": "W\u0308",
  "\u0174": "W\u0302",
  "\u1E86": "W\u0307",
  "\u1E8C": "X\u0308",
  "\u1E8A": "X\u0307",
  "\xDD": "Y\u0301",
  "\u1EF2": "Y\u0300",
  "\u0178": "Y\u0308",
  "\u1EF8": "Y\u0303",
  "\u0232": "Y\u0304",
  "\u0176": "Y\u0302",
  "\u1E8E": "Y\u0307",
  "\u0179": "Z\u0301",
  "\u017D": "Z\u030C",
  "\u1E90": "Z\u0302",
  "\u017B": "Z\u0307",
  "\u03AC": "\u03B1\u0301",
  "\u1F70": "\u03B1\u0300",
  "\u1FB1": "\u03B1\u0304",
  "\u1FB0": "\u03B1\u0306",
  "\u03AD": "\u03B5\u0301",
  "\u1F72": "\u03B5\u0300",
  "\u03AE": "\u03B7\u0301",
  "\u1F74": "\u03B7\u0300",
  "\u03AF": "\u03B9\u0301",
  "\u1F76": "\u03B9\u0300",
  "\u03CA": "\u03B9\u0308",
  "\u0390": "\u03B9\u0308\u0301",
  "\u1FD2": "\u03B9\u0308\u0300",
  "\u1FD1": "\u03B9\u0304",
  "\u1FD0": "\u03B9\u0306",
  "\u03CC": "\u03BF\u0301",
  "\u1F78": "\u03BF\u0300",
  "\u03CD": "\u03C5\u0301",
  "\u1F7A": "\u03C5\u0300",
  "\u03CB": "\u03C5\u0308",
  "\u03B0": "\u03C5\u0308\u0301",
  "\u1FE2": "\u03C5\u0308\u0300",
  "\u1FE1": "\u03C5\u0304",
  "\u1FE0": "\u03C5\u0306",
  "\u03CE": "\u03C9\u0301",
  "\u1F7C": "\u03C9\u0300",
  "\u038E": "\u03A5\u0301",
  "\u1FEA": "\u03A5\u0300",
  "\u03AB": "\u03A5\u0308",
  "\u1FE9": "\u03A5\u0304",
  "\u1FE8": "\u03A5\u0306",
  "\u038F": "\u03A9\u0301",
  "\u1FFA": "\u03A9\u0300"
};
var Parser = class {
  constructor(input, settings) {
    this.mode = void 0;
    this.gullet = void 0;
    this.settings = void 0;
    this.leftrightDepth = void 0;
    this.nextToken = void 0;
    this.mode = "math";
    this.gullet = new MacroExpander(input, settings, this.mode);
    this.settings = settings;
    this.leftrightDepth = 0;
  }
  expect(text2, consume) {
    if (consume === void 0) {
      consume = true;
    }
    if (this.fetch().text !== text2) {
      throw new ParseError("Expected '" + text2 + "', got '" + this.fetch().text + "'", this.fetch());
    }
    if (consume) {
      this.consume();
    }
  }
  consume() {
    this.nextToken = null;
  }
  fetch() {
    if (this.nextToken == null) {
      this.nextToken = this.gullet.expandNextToken();
    }
    return this.nextToken;
  }
  switchMode(newMode) {
    this.mode = newMode;
    this.gullet.switchMode(newMode);
  }
  parse() {
    if (!this.settings.globalGroup) {
      this.gullet.beginGroup();
    }
    if (this.settings.colorIsTextColor) {
      this.gullet.macros.set("\\color", "\\textcolor");
    }
    try {
      var parse = this.parseExpression(false);
      this.expect("EOF");
      if (!this.settings.globalGroup) {
        this.gullet.endGroup();
      }
      return parse;
    } finally {
      this.gullet.endGroups();
    }
  }
  subparse(tokens) {
    var oldToken = this.nextToken;
    this.consume();
    this.gullet.pushToken(new Token("}"));
    this.gullet.pushTokens(tokens);
    var parse = this.parseExpression(false);
    this.expect("}");
    this.nextToken = oldToken;
    return parse;
  }
  parseExpression(breakOnInfix, breakOnTokenText) {
    var body = [];
    while (true) {
      if (this.mode === "math") {
        this.consumeSpaces();
      }
      var lex = this.fetch();
      if (Parser.endOfExpression.indexOf(lex.text) !== -1) {
        break;
      }
      if (breakOnTokenText && lex.text === breakOnTokenText) {
        break;
      }
      if (breakOnInfix && functions[lex.text] && functions[lex.text].infix) {
        break;
      }
      var atom = this.parseAtom(breakOnTokenText);
      if (!atom) {
        break;
      } else if (atom.type === "internal") {
        continue;
      }
      body.push(atom);
    }
    if (this.mode === "text") {
      this.formLigatures(body);
    }
    return this.handleInfixNodes(body);
  }
  handleInfixNodes(body) {
    var overIndex = -1;
    var funcName;
    for (var i = 0; i < body.length; i++) {
      if (body[i].type === "infix") {
        if (overIndex !== -1) {
          throw new ParseError("only one infix operator per group", body[i].token);
        }
        overIndex = i;
        funcName = body[i].replaceWith;
      }
    }
    if (overIndex !== -1 && funcName) {
      var numerNode;
      var denomNode;
      var numerBody = body.slice(0, overIndex);
      var denomBody = body.slice(overIndex + 1);
      if (numerBody.length === 1 && numerBody[0].type === "ordgroup") {
        numerNode = numerBody[0];
      } else {
        numerNode = {
          type: "ordgroup",
          mode: this.mode,
          body: numerBody
        };
      }
      if (denomBody.length === 1 && denomBody[0].type === "ordgroup") {
        denomNode = denomBody[0];
      } else {
        denomNode = {
          type: "ordgroup",
          mode: this.mode,
          body: denomBody
        };
      }
      var node;
      if (funcName === "\\\\abovefrac") {
        node = this.callFunction(funcName, [numerNode, body[overIndex], denomNode], []);
      } else {
        node = this.callFunction(funcName, [numerNode, denomNode], []);
      }
      return [node];
    } else {
      return body;
    }
  }
  handleSupSubscript(name) {
    var symbolToken = this.fetch();
    var symbol = symbolToken.text;
    this.consume();
    this.consumeSpaces();
    var group = this.parseGroup(name);
    if (!group) {
      throw new ParseError("Expected group after '" + symbol + "'", symbolToken);
    }
    return group;
  }
  formatUnsupportedCmd(text2) {
    var textordArray = [];
    for (var i = 0; i < text2.length; i++) {
      textordArray.push({
        type: "textord",
        mode: "text",
        text: text2[i]
      });
    }
    var textNode = {
      type: "text",
      mode: this.mode,
      body: textordArray
    };
    var colorNode = {
      type: "color",
      mode: this.mode,
      color: this.settings.errorColor,
      body: [textNode]
    };
    return colorNode;
  }
  parseAtom(breakOnTokenText) {
    var base = this.parseGroup("atom", breakOnTokenText);
    if (this.mode === "text") {
      return base;
    }
    var superscript;
    var subscript;
    while (true) {
      this.consumeSpaces();
      var lex = this.fetch();
      if (lex.text === "\\limits" || lex.text === "\\nolimits") {
        if (base && base.type === "op") {
          var limits = lex.text === "\\limits";
          base.limits = limits;
          base.alwaysHandleSupSub = true;
        } else if (base && base.type === "operatorname") {
          if (base.alwaysHandleSupSub) {
            base.limits = lex.text === "\\limits";
          }
        } else {
          throw new ParseError("Limit controls must follow a math operator", lex);
        }
        this.consume();
      } else if (lex.text === "^") {
        if (superscript) {
          throw new ParseError("Double superscript", lex);
        }
        superscript = this.handleSupSubscript("superscript");
      } else if (lex.text === "_") {
        if (subscript) {
          throw new ParseError("Double subscript", lex);
        }
        subscript = this.handleSupSubscript("subscript");
      } else if (lex.text === "'") {
        if (superscript) {
          throw new ParseError("Double superscript", lex);
        }
        var prime = {
          type: "textord",
          mode: this.mode,
          text: "\\prime"
        };
        var primes = [prime];
        this.consume();
        while (this.fetch().text === "'") {
          primes.push(prime);
          this.consume();
        }
        if (this.fetch().text === "^") {
          primes.push(this.handleSupSubscript("superscript"));
        }
        superscript = {
          type: "ordgroup",
          mode: this.mode,
          body: primes
        };
      } else {
        break;
      }
    }
    if (superscript || subscript) {
      return {
        type: "supsub",
        mode: this.mode,
        base,
        sup: superscript,
        sub: subscript
      };
    } else {
      return base;
    }
  }
  parseFunction(breakOnTokenText, name) {
    var token = this.fetch();
    var func = token.text;
    var funcData = functions[func];
    if (!funcData) {
      return null;
    }
    this.consume();
    if (name && name !== "atom" && !funcData.allowedInArgument) {
      throw new ParseError("Got function '" + func + "' with no arguments" + (name ? " as " + name : ""), token);
    } else if (this.mode === "text" && !funcData.allowedInText) {
      throw new ParseError("Can't use function '" + func + "' in text mode", token);
    } else if (this.mode === "math" && funcData.allowedInMath === false) {
      throw new ParseError("Can't use function '" + func + "' in math mode", token);
    }
    var {
      args,
      optArgs
    } = this.parseArguments(func, funcData);
    return this.callFunction(func, args, optArgs, token, breakOnTokenText);
  }
  callFunction(name, args, optArgs, token, breakOnTokenText) {
    var context = {
      funcName: name,
      parser: this,
      token,
      breakOnTokenText
    };
    var func = functions[name];
    if (func && func.handler) {
      return func.handler(context, args, optArgs);
    } else {
      throw new ParseError("No function handler for " + name);
    }
  }
  parseArguments(func, funcData) {
    var totalArgs = funcData.numArgs + funcData.numOptionalArgs;
    if (totalArgs === 0) {
      return {
        args: [],
        optArgs: []
      };
    }
    var args = [];
    var optArgs = [];
    for (var i = 0; i < totalArgs; i++) {
      var argType = funcData.argTypes && funcData.argTypes[i];
      var isOptional = i < funcData.numOptionalArgs;
      if (funcData.primitive && argType == null || funcData.type === "sqrt" && i === 1 && optArgs[0] == null) {
        argType = "primitive";
      }
      var arg = this.parseGroupOfType("argument to '" + func + "'", argType, isOptional);
      if (isOptional) {
        optArgs.push(arg);
      } else if (arg != null) {
        args.push(arg);
      } else {
        throw new ParseError("Null argument, please report this as a bug");
      }
    }
    return {
      args,
      optArgs
    };
  }
  parseGroupOfType(name, type, optional) {
    switch (type) {
      case "color":
        return this.parseColorGroup(optional);
      case "size":
        return this.parseSizeGroup(optional);
      case "url":
        return this.parseUrlGroup(optional);
      case "math":
      case "text":
        return this.parseArgumentGroup(optional, type);
      case "hbox": {
        var group = this.parseArgumentGroup(optional, "text");
        return group != null ? {
          type: "styling",
          mode: group.mode,
          body: [group],
          style: "text"
        } : null;
      }
      case "raw": {
        var token = this.parseStringGroup("raw", optional);
        return token != null ? {
          type: "raw",
          mode: "text",
          string: token.text
        } : null;
      }
      case "primitive": {
        if (optional) {
          throw new ParseError("A primitive argument cannot be optional");
        }
        var _group = this.parseGroup(name);
        if (_group == null) {
          throw new ParseError("Expected group as " + name, this.fetch());
        }
        return _group;
      }
      case "original":
      case null:
      case void 0:
        return this.parseArgumentGroup(optional);
      default:
        throw new ParseError("Unknown group type as " + name, this.fetch());
    }
  }
  consumeSpaces() {
    while (this.fetch().text === " ") {
      this.consume();
    }
  }
  parseStringGroup(modeName, optional) {
    var argToken = this.gullet.scanArgument(optional);
    if (argToken == null) {
      return null;
    }
    var str = "";
    var nextToken;
    while ((nextToken = this.fetch()).text !== "EOF") {
      str += nextToken.text;
      this.consume();
    }
    this.consume();
    argToken.text = str;
    return argToken;
  }
  parseRegexGroup(regex, modeName) {
    var firstToken = this.fetch();
    var lastToken = firstToken;
    var str = "";
    var nextToken;
    while ((nextToken = this.fetch()).text !== "EOF" && regex.test(str + nextToken.text)) {
      lastToken = nextToken;
      str += lastToken.text;
      this.consume();
    }
    if (str === "") {
      throw new ParseError("Invalid " + modeName + ": '" + firstToken.text + "'", firstToken);
    }
    return firstToken.range(lastToken, str);
  }
  parseColorGroup(optional) {
    var res = this.parseStringGroup("color", optional);
    if (res == null) {
      return null;
    }
    var match = /^(#[a-f0-9]{3}|#?[a-f0-9]{6}|[a-z]+)$/i.exec(res.text);
    if (!match) {
      throw new ParseError("Invalid color: '" + res.text + "'", res);
    }
    var color = match[0];
    if (/^[0-9a-f]{6}$/i.test(color)) {
      color = "#" + color;
    }
    return {
      type: "color-token",
      mode: this.mode,
      color
    };
  }
  parseSizeGroup(optional) {
    var res;
    var isBlank = false;
    this.gullet.consumeSpaces();
    if (!optional && this.gullet.future().text !== "{") {
      res = this.parseRegexGroup(/^[-+]? *(?:$|\d+|\d+\.\d*|\.\d*) *[a-z]{0,2} *$/, "size");
    } else {
      res = this.parseStringGroup("size", optional);
    }
    if (!res) {
      return null;
    }
    if (!optional && res.text.length === 0) {
      res.text = "0pt";
      isBlank = true;
    }
    var match = /([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(res.text);
    if (!match) {
      throw new ParseError("Invalid size: '" + res.text + "'", res);
    }
    var data = {
      number: +(match[1] + match[2]),
      unit: match[3]
    };
    if (!validUnit(data)) {
      throw new ParseError("Invalid unit: '" + data.unit + "'", res);
    }
    return {
      type: "size",
      mode: this.mode,
      value: data,
      isBlank
    };
  }
  parseUrlGroup(optional) {
    this.gullet.lexer.setCatcode("%", 13);
    this.gullet.lexer.setCatcode("~", 12);
    var res = this.parseStringGroup("url", optional);
    this.gullet.lexer.setCatcode("%", 14);
    this.gullet.lexer.setCatcode("~", 13);
    if (res == null) {
      return null;
    }
    var url = res.text.replace(/\\([#$%&~_^{}])/g, "$1");
    return {
      type: "url",
      mode: this.mode,
      url
    };
  }
  parseArgumentGroup(optional, mode) {
    var argToken = this.gullet.scanArgument(optional);
    if (argToken == null) {
      return null;
    }
    var outerMode = this.mode;
    if (mode) {
      this.switchMode(mode);
    }
    this.gullet.beginGroup();
    var expression = this.parseExpression(false, "EOF");
    this.expect("EOF");
    this.gullet.endGroup();
    var result = {
      type: "ordgroup",
      mode: this.mode,
      loc: argToken.loc,
      body: expression
    };
    if (mode) {
      this.switchMode(outerMode);
    }
    return result;
  }
  parseGroup(name, breakOnTokenText) {
    var firstToken = this.fetch();
    var text2 = firstToken.text;
    var result;
    if (text2 === "{" || text2 === "\\begingroup") {
      this.consume();
      var groupEnd = text2 === "{" ? "}" : "\\endgroup";
      this.gullet.beginGroup();
      var expression = this.parseExpression(false, groupEnd);
      var lastToken = this.fetch();
      this.expect(groupEnd);
      this.gullet.endGroup();
      result = {
        type: "ordgroup",
        mode: this.mode,
        loc: SourceLocation.range(firstToken, lastToken),
        body: expression,
        semisimple: text2 === "\\begingroup" || void 0
      };
    } else {
      result = this.parseFunction(breakOnTokenText, name) || this.parseSymbol();
      if (result == null && text2[0] === "\\" && !implicitCommands.hasOwnProperty(text2)) {
        if (this.settings.throwOnError) {
          throw new ParseError("Undefined control sequence: " + text2, firstToken);
        }
        result = this.formatUnsupportedCmd(text2);
        this.consume();
      }
    }
    return result;
  }
  formLigatures(group) {
    var n = group.length - 1;
    for (var i = 0; i < n; ++i) {
      var a = group[i];
      var v = a.text;
      if (v === "-" && group[i + 1].text === "-") {
        if (i + 1 < n && group[i + 2].text === "-") {
          group.splice(i, 3, {
            type: "textord",
            mode: "text",
            loc: SourceLocation.range(a, group[i + 2]),
            text: "---"
          });
          n -= 2;
        } else {
          group.splice(i, 2, {
            type: "textord",
            mode: "text",
            loc: SourceLocation.range(a, group[i + 1]),
            text: "--"
          });
          n -= 1;
        }
      }
      if ((v === "'" || v === "`") && group[i + 1].text === v) {
        group.splice(i, 2, {
          type: "textord",
          mode: "text",
          loc: SourceLocation.range(a, group[i + 1]),
          text: v + v
        });
        n -= 1;
      }
    }
  }
  parseSymbol() {
    var nucleus = this.fetch();
    var text2 = nucleus.text;
    if (/^\\verb[^a-zA-Z]/.test(text2)) {
      this.consume();
      var arg = text2.slice(5);
      var star = arg.charAt(0) === "*";
      if (star) {
        arg = arg.slice(1);
      }
      if (arg.length < 2 || arg.charAt(0) !== arg.slice(-1)) {
        throw new ParseError("\\verb assertion failed --\n                    please report what input caused this bug");
      }
      arg = arg.slice(1, -1);
      return {
        type: "verb",
        mode: "text",
        body: arg,
        star
      };
    }
    if (unicodeSymbols.hasOwnProperty(text2[0]) && !symbols[this.mode][text2[0]]) {
      if (this.settings.strict && this.mode === "math") {
        this.settings.reportNonstrict("unicodeTextInMathMode", 'Accented Unicode text character "' + text2[0] + '" used in math mode', nucleus);
      }
      text2 = unicodeSymbols[text2[0]] + text2.substr(1);
    }
    var match = combiningDiacriticalMarksEndRegex.exec(text2);
    if (match) {
      text2 = text2.substring(0, match.index);
      if (text2 === "i") {
        text2 = "\u0131";
      } else if (text2 === "j") {
        text2 = "\u0237";
      }
    }
    var symbol;
    if (symbols[this.mode][text2]) {
      if (this.settings.strict && this.mode === "math" && extraLatin.indexOf(text2) >= 0) {
        this.settings.reportNonstrict("unicodeTextInMathMode", 'Latin-1/Unicode text character "' + text2[0] + '" used in math mode', nucleus);
      }
      var group = symbols[this.mode][text2].group;
      var loc = SourceLocation.range(nucleus);
      var s;
      if (ATOMS.hasOwnProperty(group)) {
        var family = group;
        s = {
          type: "atom",
          mode: this.mode,
          family,
          loc,
          text: text2
        };
      } else {
        s = {
          type: group,
          mode: this.mode,
          loc,
          text: text2
        };
      }
      symbol = s;
    } else if (text2.charCodeAt(0) >= 128) {
      if (this.settings.strict) {
        if (!supportedCodepoint(text2.charCodeAt(0))) {
          this.settings.reportNonstrict("unknownSymbol", 'Unrecognized Unicode character "' + text2[0] + '"' + (" (" + text2.charCodeAt(0) + ")"), nucleus);
        } else if (this.mode === "math") {
          this.settings.reportNonstrict("unicodeTextInMathMode", 'Unicode text character "' + text2[0] + '" used in math mode', nucleus);
        }
      }
      symbol = {
        type: "textord",
        mode: "text",
        loc: SourceLocation.range(nucleus),
        text: text2
      };
    } else {
      return null;
    }
    this.consume();
    if (match) {
      for (var i = 0; i < match[0].length; i++) {
        var accent2 = match[0][i];
        if (!unicodeAccents[accent2]) {
          throw new ParseError("Unknown accent ' " + accent2 + "'", nucleus);
        }
        var command = unicodeAccents[accent2][this.mode] || unicodeAccents[accent2].text;
        if (!command) {
          throw new ParseError("Accent " + accent2 + " unsupported in " + this.mode + " mode", nucleus);
        }
        symbol = {
          type: "accent",
          mode: this.mode,
          loc: SourceLocation.range(nucleus),
          label: command,
          isStretchy: false,
          isShifty: true,
          base: symbol
        };
      }
    }
    return symbol;
  }
};
Parser.endOfExpression = ["}", "\\endgroup", "\\end", "\\right", "&"];
var parseTree = function parseTree2(toParse, settings) {
  if (!(typeof toParse === "string" || toParse instanceof String)) {
    throw new TypeError("KaTeX can only parse string typed expression");
  }
  var parser = new Parser(toParse, settings);
  delete parser.gullet.macros.current["\\df@tag"];
  var tree = parser.parse();
  delete parser.gullet.macros.current["\\current@color"];
  delete parser.gullet.macros.current["\\color"];
  if (parser.gullet.macros.get("\\df@tag")) {
    if (!settings.displayMode) {
      throw new ParseError("\\tag works only in display equations");
    }
    tree = [{
      type: "tag",
      mode: "text",
      body: tree,
      tag: parser.subparse([new Token("\\df@tag")])
    }];
  }
  return tree;
};
var render = function render2(expression, baseNode, options) {
  baseNode.textContent = "";
  var node = renderToDomTree(expression, options).toNode();
  baseNode.appendChild(node);
};
if (typeof document !== "undefined") {
  if (document.compatMode !== "CSS1Compat") {
    typeof console !== "undefined" && console.warn("Warning: KaTeX doesn't work in quirks mode. Make sure your website has a suitable doctype.");
    render = function render3() {
      throw new ParseError("KaTeX doesn't work in quirks mode.");
    };
  }
}
var renderToString = function renderToString2(expression, options) {
  var markup = renderToDomTree(expression, options).toMarkup();
  return markup;
};
var generateParseTree = function generateParseTree2(expression, options) {
  var settings = new Settings(options);
  return parseTree(expression, settings);
};
var renderError = function renderError2(error, expression, options) {
  if (options.throwOnError || !(error instanceof ParseError)) {
    throw error;
  }
  var node = buildCommon.makeSpan(["katex-error"], [new SymbolNode(expression)]);
  node.setAttribute("title", error.toString());
  node.setAttribute("style", "color:" + options.errorColor);
  return node;
};
var renderToDomTree = function renderToDomTree2(expression, options) {
  var settings = new Settings(options);
  try {
    var tree = parseTree(expression, settings);
    return buildTree(tree, expression, settings);
  } catch (error) {
    return renderError(error, expression, settings);
  }
};
var renderToHTMLTree = function renderToHTMLTree2(expression, options) {
  var settings = new Settings(options);
  try {
    var tree = parseTree(expression, settings);
    return buildHTMLTree(tree, expression, settings);
  } catch (error) {
    return renderError(error, expression, settings);
  }
};
var katex = {
  version: "0.15.2",
  render,
  renderToString,
  ParseError,
  SETTINGS_SCHEMA,
  __parse: generateParseTree,
  __renderToDomTree: renderToDomTree,
  __renderToHTMLTree: renderToHTMLTree,
  __setFontMetrics: setFontMetrics,
  __defineSymbol: defineSymbol,
  __defineMacro: defineMacro,
  __domTree: {
    Span,
    Anchor,
    SymbolNode,
    SvgNode,
    PathNode,
    LineNode
  }
};

// dep:katex
var katex_default = katex;
export {
  katex_default as default
};
//# sourceMappingURL=katex.js.map
