text: /**
   * marked - a markdown parser
   * Copyright (c) 2011-2021, Christopher Jeffrey. (MIT Licensed)
   * https://github.com/markedjs/marked
   */
  
  /**
   * DO NOT EDIT THIS FILE
   * The code in this file is generated from files in ./src/
   */
  
  (function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
    typeof define === 'function' && define.amd ? define(['exports'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.marked = {}));
  })(this, (function (exports) { 'use strict';
  
    function _defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }
  
    function _createClass(Constructor, protoProps, staticProps) {
      if (protoProps) _defineProperties(Constructor.prototype, protoProps);
      if (staticProps) _defineProperties(Constructor, staticProps);
      return Constructor;
    }
  
    function _unsupportedIterableToArray(o, minLen) {
      if (!o) return;
      if (typeof o === "string") return _arrayLikeToArray(o, minLen);
      var n = Object.prototype.toString.call(o).slice(8, -1);
      if (n === "Object" && o.constructor) n = o.constructor.name;
      if (n === "Map" || n === "Set") return Array.from(o);
      if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
    }
  
    function _arrayLikeToArray(arr, len) {
      if (len == null || len > arr.length) len = arr.length;
  
      for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
  
      return arr2;
    }
  
    function _createForOfIteratorHelperLoose(o, allowArrayLike) {
      var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
      if (it) return (it = it.call(o)).next.bind(it);
  
      if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
        if (it) o = it;
        var i = 0;
        return function () {
          if (i >= o.length) return {
            done: true
          };
          return {
            done: false,
            value: o[i++]
          };
        };
      }
  
      throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
    }
  
    function getDefaults() {
      return {
        baseUrl: null,
        breaks: false,
        extensions: null,
        gfm: true,
        headerIds: true,
        headerPrefix: '',
        highlight: null,
        langPrefix: 'language-',
        mangle: true,
        pedantic: false,
        renderer: null,
        sanitize: false,
        sanitizer: null,
        silent: false,
        smartLists: false,
        smartypants: false,
        tokenizer: null,
        walkTokens: null,
        xhtml: false
      };
    }
    exports.defaults = getDefaults();
    function changeDefaults(newDefaults) {
      exports.defaults = newDefaults;
    }
  
    /**
     * Helpers
     */
    var escapeTest = /[&<>"']/;
    var escapeReplace = /[&<>"']/g;
    var escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
    var escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
    var escapeReplacements = {
      '&': '&amp;',
      '<': '&lt;',
      '>': '&gt;',
      '"': '&quot;',
      "'": '&#39;'
    };
  
    var getEscapeReplacement = function getEscapeReplacement(ch) {
      return escapeReplacements[ch];
    };
  
    function escape(html, encode) {
      if (encode) {
        if (escapeTest.test(html)) {
          return html.replace(escapeReplace, getEscapeReplacement);
        }
      } else {
        if (escapeTestNoEncode.test(html)) {
          return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
        }
      }
  
      return html;
    }
    var unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
    function unescape(html) {
      // explicitly match decimal, hex, and named HTML entities
      return html.replace(unescapeTest, function (_, n) {
        n = n.toLowerCase();
        if (n === 'colon') return ':';
  
        if (n.charAt(0) === '#') {
          return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1));
        }
  
        return '';
      });
    }
    var caret = /(^|[^\[])\^/g;
    function edit(regex, opt) {
      regex = regex.source || regex;
      opt = opt || '';
      var obj = {
        replace: function replace(name, val) {
          val = val.source || val;
          val = val.replace(caret, '$1');
          regex = regex.replace(name, val);
          return obj;
        },
        getRegex: function getRegex() {
          return new RegExp(regex, opt);
        }
      };
      return obj;
    }
    var nonWordAndColonTest = /[^\w:]/g;
    var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
    function cleanUrl(sanitize, base, href) {
      if (sanitize) {
        var prot;
  
        try {
          prot = decodeURIComponent(unescape(href)).replace(nonWordAndColonTest, '').toLowerCase();
        } catch (e) {
          return null;
        }
  
        if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
          return null;
        }
      }
  
      if (base && !originIndependentUrl.test(href)) {
        href = resolveUrl(base, href);
      }
  
      try {
        href = encodeURI(href).replace(/%25/g, '%');
      } catch (e) {
        return null;
      }
  
      return href;
    }
    var baseUrls = {};
    var justDomain = /^[^:]+:\/*[^/]*$/;
    var protocol = /^([^:]+:)[\s\S]*$/;
    var domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
    function resolveUrl(base, href) {
      if (!baseUrls[' ' + base]) {
        // we can ignore everything in base after the last slash of its path component,
        // but we might need to add _that_
        // https://tools.ietf.org/html/rfc3986#section-3
        if (justDomain.test(base)) {
          baseUrls[' ' + base] = base + '/';
        } else {
          baseUrls[' ' + base] = rtrim(base, '/', true);
        }
      }
  
      base = baseUrls[' ' + base];
      var relativeBase = base.indexOf(':') === -1;
  
      if (href.substring(0, 2) === '//') {
        if (relativeBase) {
          return href;
        }
  
        return base.replace(protocol, '$1') + href;
      } else if (href.charAt(0) === '/') {
        if (relativeBase) {
          return href;
        }
  
        return base.replace(domain, '$1') + href;
      } else {
        return base + href;
      }
    }
    var noopTest = {
      exec: function noopTest() {}
    };
    function merge(obj) {
      var i = 1,
          target,
          key;
  
      for (; i < arguments.length; i++) {
        target = arguments[i];
  
        for (key in target) {
          if (Object.prototype.hasOwnProperty.call(target, key)) {
            obj[key] = target[key];
          }
        }
      }
  
      return obj;
    }
    function splitCells(tableRow, count) {
      // ensure that every cell-delimiting pipe has a space
      // before it to distinguish it from an escaped pipe
      var row = tableRow.replace(/\|/g, function (match, offset, str) {
        var escaped = false,
            curr = offset;
  
        while (--curr >= 0 && str[curr] === '\\') {
          escaped = !escaped;
        }
  
        if (escaped) {
          // odd number of slashes means | is escaped
          // so we leave it alone
          return '|';
        } else {
          // add space before unescaped |
          return ' |';
        }
      }),
          cells = row.split(/ \|/);
      var i = 0; // First/last cell in a row cannot be empty if it has no leading/trailing pipe
  
      if (!cells[0].trim()) {
        cells.shift();
      }
  
      if (!cells[cells.length - 1].trim()) {
        cells.pop();
      }
  
      if (cells.length > count) {
        cells.splice(count);
      } else {
        while (cells.length < count) {
          cells.push('');
        }
      }
  
      for (; i < cells.length; i++) {
        // leading or trailing whitespace is ignored per the gfm spec
        cells[i] = cells[i].trim().replace(/\\\|/g, '|');
      }
  
      return cells;
    } // Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
    // /c*$/ is vulnerable to REDOS.
    // invert: Remove suffix of non-c chars instead. Default falsey.
  
    function rtrim(str, c, invert) {
      var l = str.length;
  
      if (l === 0) {
        return '';
      } // Length of suffix matching the invert condition.
  
  
      var suffLen = 0; // Step left until we fail to match the invert condition.
  
      while (suffLen < l) {
        var currChar = str.charAt(l - suffLen - 1);
  
        if (currChar === c && !invert) {
          suffLen++;
        } else if (currChar !== c && invert) {
          suffLen++;
        } else {
          break;
        }
      }
  
      return str.substr(0, l - suffLen);
    }
    function findClosingBracket(str, b) {
      if (str.indexOf(b[1]) === -1) {
        return -1;
      }
  
      var l = str.length;
      var level = 0,
          i = 0;
  
      for (; i < l; i++) {
        if (str[i] === '\\') {
          i++;
        } else if (str[i] === b[0]) {
          level++;
        } else if (str[i] === b[1]) {
          level--;
  
          if (level < 0) {
            return i;
          }
        }
      }
  
      return -1;
    }
    function checkSanitizeDeprecation(opt) {
      if (opt && opt.sanitize && !opt.silent) {
        console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options');
      }
    } // copied from https://stackoverflow.com/a/5450113/806777
  
    function repeatString(pattern, count) {
      if (count < 1) {
        return '';
      }
  
      var result = '';
  
      while (count > 1) {
        if (count & 1) {
          result += pattern;
        }
  
        count >>= 1;
        pattern += pattern;
      }
  
      return result + pattern;
    }
  
    function outputLink(cap, link, raw, lexer) {
      var href = link.href;
      var title = link.title ? escape(link.title) : null;
      var text = cap[1].replace(/\\([\[\]])/g, '$1');
  
      if (cap[0].charAt(0) !== '!') {
        lexer.state.inLink = true;
        var token = {
          type: 'link',
          raw: raw,
          href: href,
          title: title,
          text: text,
          tokens: lexer.inlineTokens(text, [])
        };
        lexer.state.inLink = false;
        return token;
      } else {
        return {
          type: 'image',
          raw: raw,
          href: href,
          title: title,
          text: escape(text)
        };
      }
    }
  
    function indentCodeCompensation(raw, text) {
      var matchIndentToCode = raw.match(/^(\s+)(?:```)/);
  
      if (matchIndentToCode === null) {
        return text;
      }
  
      var indentToCode = matchIndentToCode[1];
      return text.split('\n').map(function (node) {
        var matchIndentInNode = node.match(/^\s+/);
  
        if (matchIndentInNode === null) {
          return node;
        }
  
        var indentInNode = matchIndentInNode[0];
  
        if (indentInNode.length >= indentToCode.length) {
          return node.slice(indentToCode.length);
        }
  
        return node;
      }).join('\n');
    }
    /**
     * Tokenizer
     */
  
  
    var Tokenizer = /*#__PURE__*/function () {
      function Tokenizer(options) {
        this.options = options || exports.defaults;
      }
  
      var _proto = Tokenizer.prototype;
  
      _proto.space = function space(src) {
        var cap = this.rules.block.newline.exec(src);
  
        if (cap) {
          if (cap[0].length > 1) {
            return {
              type: 'space',
              raw: cap[0]
            };
          }
  
          return {
            raw: '\n'
          };
        }
      };
  
      _proto.code = function code(src) {
        var cap = this.rules.block.code.exec(src);
  
        if (cap) {
          var text = cap[0].replace(/^ {1,4}/gm, '');
          return {
            type: 'code',
            raw: cap[0],
            codeBlockStyle: 'indented',
            text: !this.options.pedantic ? rtrim(text, '\n') : text
          };
        }
      };
  
      _proto.fences = function fences(src) {
        var cap = this.rules.block.fences.exec(src);
  
        if (cap) {
          var raw = cap[0];
          var text = indentCodeCompensation(raw, cap[3] || '');
          return {
            type: 'code',
            raw: raw,
            lang: cap[2] ? cap[2].trim() : cap[2],
            text: text
          };
        }
      };
  
      _proto.heading = function heading(src) {
        var cap = this.rules.block.heading.exec(src);
  
        if (cap) {
          var text = cap[2].trim(); // remove trailing #s
  
          if (/#$/.test(text)) {
            var trimmed = rtrim(text, '#');
  
            if (this.options.pedantic) {
              text = trimmed.trim();
            } else if (!trimmed || / $/.test(trimmed)) {
              // CommonMark requires space before trailing #s
              text = trimmed.trim();
            }
          }
  
          var token = {
            type: 'heading',
            raw: cap[0],
            depth: cap[1].length,
            text: text,
            tokens: []
          };
          this.lexer.inline(token.text, token.tokens);
          return token;
        }
      };
  
      _proto.hr = function hr(src) {
        var cap = this.rules.block.hr.exec(src);
  
        if (cap) {
          return {
            type: 'hr',
            raw: cap[0]
          };
        }
      };
  
      _proto.blockquote = function blockquote(src) {
        var cap = this.rules.block.blockquote.exec(src);
  
        if (cap) {
          var text = cap[0].replace(/^ *> ?/gm, '');
          return {
            type: 'blockquote',
            raw: cap[0],
            tokens: this.lexer.blockTokens(text, []),
            text: text
          };
        }
      };
  
      _proto.list = function list(src) {
        var cap = this.rules.block.list.exec(src);
  
        if (cap) {
          var raw, istask, ischecked, indent, i, blankLine, endsWithBlankLine, line, lines, itemContents;
          var bull = cap[1].trim();
          var isordered = bull.length > 1;
          var list = {
            type: 'list',
            raw: '',
            ordered: isordered,
            start: isordered ? +bull.slice(0, -1) : '',
            loose: false,
            items: []
          };
          bull = isordered ? "\\d{1,9}\\" + bull.slice(-1) : "\\" + bull;
  
          if (this.options.pedantic) {
            bull = isordered ? bull : '[*+-]';
          } // Get next list item
  
  
          var itemRegex = new RegExp("^( {0,3}" + bull + ")((?: [^\\n]*| *)(?:\\n[^\\n]*)*(?:\\n|$))"); // Get each top-level item
  
          while (src) {
            if (this.rules.block.hr.test(src)) {
              // End list if we encounter an HR (possibly move into itemRegex?)
              break;
            }
  
            if (!(cap = itemRegex.exec(src))) {
              break;
            }
  
            lines = cap[2].split('\n');
  
            if (this.options.pedantic) {
              indent = 2;
              itemContents = lines[0].trimLeft();
            } else {
              indent = cap[2].search(/[^ ]/); // Find first non-space char
  
              indent = cap[1].length + (indent > 4 ? 1 : indent); // intented code blocks after 4 spaces; indent is always 1
  
              itemContents = lines[0].slice(indent - cap[1].length);
            }
  
            blankLine = false;
            raw = cap[0];
  
            if (!lines[0] && /^ *$/.test(lines[1])) {
              // items begin with at most one blank line
              raw = cap[1] + lines.slice(0, 2).join('\n') + '\n';
              list.loose = true;
              lines = [];
            }
  
            var nextBulletRegex = new RegExp("^ {0," + Math.min(3, indent - 1) + "}(?:[*+-]|\\d{1,9}[.)])");
  
            for (i = 1; i < lines.length; i++) {
              line = lines[i];
  
              if (this.options.pedantic) {
                // Re-align to follow commonmark nesting rules
                line = line.replace(/^ {1,4}(?=( {4})*[^ ])/g, '  ');
              } // End list item if found start of new bullet
  
  
              if (nextBulletRegex.test(line)) {
                raw = cap[1] + lines.slice(0, i).join('\n') + '\n';
                break;
              } // Until we encounter a blank line, item contents do not need indentation
  
  
              if (!blankLine) {
                if (!line.trim()) {
                  // Check if current line is empty
                  blankLine = true;
                } // Dedent if possible
  
  
                if (line.search(/[^ ]/) >= indent) {
                  itemContents += '\n' + line.slice(indent);
                } else {
                  itemContents += '\n' + line;
                }
  
                continue;
              } // Dedent this line
  
  
              if (line.search(/[^ ]/) >= indent || !line.trim()) {
                itemContents += '\n' + line.slice(indent);
                continue;
              } else {
                // Line was not properly indented; end of this item
                raw = cap[1] + lines.slice(0, i).join('\n') + '\n';
                break;
              }
            }
  
            if (!list.loose) {
              // If the previous item ended with a blank line, the list is loose
              if (endsWithBlankLine) {
                list.loose = true;
              } else if (/\n *\n *$/.test(raw)) {
                endsWithBlankLine = true;
              }
            } // Check for task list items
  
  
            if (this.options.gfm) {
              istask = /^\[[ xX]\] /.exec(itemContents);
  
              if (istask) {
                ischecked = istask[0] !== '[ ] ';
                itemContents = itemContents.replace(/^\[[ xX]\] +/, '');
              }
            }
  
            list.items.push({
              type: 'list_item',
              raw: raw,
              task: !!istask,
              checked: ischecked,
              loose: false,
              text: itemContents
            });
            list.raw += raw;
            src = src.slice(raw.length);
          } // Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic
  
  
          list.items[list.items.length - 1].raw = raw.trimRight();
          list.items[list.items.length - 1].text = itemContents.trimRight();
          list.raw = list.raw.trimRight();
          var l = list.items.length; // Item child tokens handled here at end because we needed to have the final item to trim it first
  
          for (i = 0; i < l; i++) {
            this.lexer.state.top = false;
            list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []);
  
            if (list.items[i].tokens.some(function (t) {
              return t.type === 'space';
            })) {
              list.loose = true;
              list.items[i].loose = true;
            }
          }
  
          return list;
        }
      };
  
      _proto.html = function html(src) {
        var cap = this.rules.block.html.exec(src);
  
        if (cap) {
          var token = {
            type: 'html',
            raw: cap[0],
            pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
            text: cap[0]
          };
  
          if (this.options.sanitize) {
            token.type = 'paragraph';
            token.text = this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]);
            token.tokens = [];
            this.lexer.inline(token.text, token.tokens);
          }
  
          return token;
        }
      };
  
      _proto.def = function def(src) {
        var cap = this.rules.block.def.exec(src);
  
        if (cap) {
          if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
          var tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
          return {
            type: 'def',
            tag: tag,
            raw: cap[0],
            href: cap[2],
            title: cap[3]
          };
        }
      };
  
      _proto.table = function table(src) {
        var cap = this.rules.block.table.exec(src);
  
        if (cap) {
          var item = {
            type: 'table',
            header: splitCells(cap[1]).map(function (c) {
              return {
                text: c
              };
            }),
            align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
            rows: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
          };
  
          if (item.header.length === item.align.length) {
            item.raw = cap[0];
            var l = item.align.length;
            var i, j, k, row;
  
            for (i = 0; i < l; i++) {
              if (/^ *-+: *$/.test(item.align[i])) {
                item.align[i] = 'right';
              } else if (/^ *:-+: *$/.test(item.align[i])) {
                item.align[i] = 'center';
              } else if (/^ *:-+ *$/.test(item.align[i])) {
                item.align[i] = 'left';
              } else {
                item.align[i] = null;
              }
            }
  
            l = item.rows.length;
  
            for (i = 0; i < l; i++) {
              item.rows[i] = splitCells(item.rows[i], item.header.length).map(function (c) {
                return {
                  text: c
                };
              });
            } // parse child tokens inside headers and cells
            // header child tokens
  
  
            l = item.header.length;
  
            for (j = 0; j < l; j++) {
              item.header[j].tokens = [];
              this.lexer.inlineTokens(item.header[j].text, item.header[j].tokens);
            } // cell child tokens
  
  
            l = item.rows.length;
  
            for (j = 0; j < l; j++) {
              row = item.rows[j];
  
              for (k = 0; k < row.length; k++) {
                row[k].tokens = [];
                this.lexer.inlineTokens(row[k].text, row[k].tokens);
              }
            }
  
            return item;
          }
        }
      };
  
      _proto.lheading = function lheading(src) {
        var cap = this.rules.block.lheading.exec(src);
  
        if (cap) {
          var token = {
            type: 'heading',
            raw: cap[0],
            depth: cap[2].charAt(0) === '=' ? 1 : 2,
            text: cap[1],
            tokens: []
          };
          this.lexer.inline(token.text, token.tokens);
          return token;
        }
      };
  
      _proto.paragraph = function paragraph(src) {
        var cap = this.rules.block.paragraph.exec(src);
  
        if (cap) {
          var token = {
            type: 'paragraph',
            raw: cap[0],
            text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1],
            tokens: []
          };
          this.lexer.inline(token.text, token.tokens);
          return token;
        }
      };
  
      _proto.text = function text(src) {
        var cap = this.rules.block.text.exec(src);
  
        if (cap) {
          var token = {
            type: 'text',
            raw: cap[0],
            text: cap[0],
            tokens: []
          };
          this.lexer.inline(token.text, token.tokens);
          return token;
        }
      };
  
      _proto.escape = function escape$1(src) {
        var cap = this.rules.inline.escape.exec(src);
  
        if (cap) {
          return {
            type: 'escape',
            raw: cap[0],
            text: escape(cap[1])
          };
        }
      };
  
      _proto.tag = function tag(src) {
        var cap = this.rules.inline.tag.exec(src);
  
        if (cap) {
          if (!this.lexer.state.inLink && /^<a /i.test(cap[0])) {
            this.lexer.state.inLink = true;
          } else if (this.lexer.state.inLink && /^<\/a>/i.test(cap[0])) {
            this.lexer.state.inLink = false;
          }
  
          if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
            this.lexer.state.inRawBlock = true;
          } else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
            this.lexer.state.inRawBlock = false;
          }
  
          return {
            type: this.options.sanitize ? 'text' : 'html',
            raw: cap[0],
            inLink: this.lexer.state.inLink,
            inRawBlock: this.lexer.state.inRawBlock,
            text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0]
          };
        }
      };
  
      _proto.link = function link(src) {
        var cap = this.rules.inline.link.exec(src);
  
        if (cap) {
          var trimmedUrl = cap[2].trim();
  
          if (!this.options.pedantic && /^</.test(trimmedUrl)) {
            // commonmark requires matching angle brackets
            if (!/>$/.test(trimmedUrl)) {
              return;
            } // ending angle bracket cannot be escaped
  
  
            var rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\');
  
            if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) {
              return;
            }
          } else {
            // find closing parenthesis
            var lastParenIndex = findClosingBracket(cap[2], '()');
  
            if (lastParenIndex > -1) {
              var start = cap[0].indexOf('!') === 0 ? 5 : 4;
              var linkLen = start + cap[1].length + lastParenIndex;
              cap[2] = cap[2].substring(0, lastParenIndex);
              cap[0] = cap[0].substring(0, linkLen).trim();
              cap[3] = '';
            }
          }
  
          var href = cap[2];
          var title = '';
  
          if (this.options.pedantic) {
            // split pedantic href and title
            var link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
  
            if (link) {
              href = link[1];
              title = link[3];
            }
          } else {
            title = cap[3] ? cap[3].slice(1, -1) : '';
          }
  
          href = href.trim();
  
          if (/^</.test(href)) {
            if (this.options.pedantic && !/>$/.test(trimmedUrl)) {
              // pedantic allows starting angle bracket without ending angle bracket
              href = href.slice(1);
            } else {
              href = href.slice(1, -1);
            }
          }
  
          return outputLink(cap, {
            href: href ? href.replace(this.rules.inline._escapes, '$1') : href,
            title: title ? title.replace(this.rules.inline._escapes, '$1') : title
          }, cap[0], this.lexer);
        }
      };
  
      _proto.reflink = function reflink(src, links) {
        var cap;
  
        if ((cap = this.rules.inline.reflink.exec(src)) || (cap = this.rules.inline.nolink.exec(src))) {
          var link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
          link = links[link.toLowerCase()];
  
          if (!link || !link.href) {
            var text = cap[0].charAt(0);
            return {
              type: 'text',
              raw: text,
              text: text
            };
          }
  
          return outputLink(cap, link, cap[0], this.lexer);
        }
      };
  
      _proto.emStrong = function emStrong(src, maskedSrc, prevChar) {
        if (prevChar === void 0) {
          prevChar = '';
        }
  
        var match = this.rules.inline.emStrong.lDelim.exec(src);
        if (!match) return; // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well
  
        if (match[3] && prevChar.match(/(?:[0-9A-Za-z\xAA\xB2\xB3\xB5\xB9\xBA\xBC-\xBE\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0560-\u0588\u05D0-\u05EA\u05EF-\u05F2\u0620-\u064A\u0660-\u0669\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07C0-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u0870-\u0887\u0889-\u088E\u08A0-\u08C9\u0904-\u0939\u093D\u0950\u0958-\u0961\u0966-\u096F\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09E6-\u09F1\u09F4-\u09F9\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A66-\u0A6F\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AE6-\u0AEF\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B66-\u0B6F\u0B71-\u0B77\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0BE6-\u0BF2\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C5D\u0C60\u0C61\u0C66-\u0C6F\u0C78-\u0C7E\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDD\u0CDE\u0CE0\u0CE1\u0CE6-\u0CEF\u0CF1\u0CF2\u0D04-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D58-\u0D61\u0D66-\u0D78\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DE6-\u0DEF\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F20-\u0F33\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F-\u1049\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u1090-\u1099\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1369-\u137C\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u1711\u171F-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u17E0-\u17E9\u17F0-\u17F9\u1810-\u1819\u1820-\u1878\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A16\u1A20-\u1A54\u1A80-\u1A89\u1A90-\u1A99\u1AA7\u1B05-\u1B33\u1B45-\u1B4C\u1B50-\u1B59\u1B83-\u1BA0\u1BAE-\u1BE5\u1C00-\u1C23\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1C90-\u1CBA\u1CBD-\u1CBF\u1CE9-\u1CEC\u1CEE-\u1CF3\u1CF5\u1CF6\u1CFA\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2070\u2071\u2074-\u2079\u207F-\u2089\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2150-\u2189\u2460-\u249B\u24EA-\u24FF\u2776-\u2793\u2C00-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2CFD\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u3192-\u3195\u31A0-\u31BF\u31F0-\u31FF\u3220-\u3229\u3248-\u324F\u3251-\u325F\u3280-\u3289\u32B1-\u32BF\u3400-\u4DBF\u4E00-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7CA\uA7D0\uA7D1\uA7D3\uA7D5-\uA7D9\uA7F2-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA830-\uA835\uA840-\uA873\uA882-\uA8B3\uA8D0-\uA8D9\uA8F2-\uA8F7\uA8FB\uA8FD\uA8FE\uA900-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF-\uA9D9\uA9E0-\uA9E4\uA9E6-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA50-\uAA59\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB69\uAB70-\uABE2\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD07-\uDD33\uDD40-\uDD78\uDD8A\uDD8B\uDE80-\uDE9C\uDEA0-\uDED0\uDEE1-\uDEFB\uDF00-\uDF23\uDF2D-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDD70-\uDD7A\uDD7C-\uDD8A\uDD8C-\uDD92\uDD94\uDD95\uDD97-\uDDA1\uDDA3-\uDDB1\uDDB3-\uDDB9\uDDBB\uDDBC\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67\uDF80-\uDF85\uDF87-\uDFB0\uDFB2-\uDFBA]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC58-\uDC76\uDC79-\uDC9E\uDCA7-\uDCAF\uDCE0-\uDCF2\uDCF4\uDCF5\uDCFB-\uDD1B\uDD20-\uDD39\uDD80-\uDDB7\uDDBC-\uDDCF\uDDD2-\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE40-\uDE48\uDE60-\uDE7E\uDE80-\uDE9F\uDEC0-\uDEC7\uDEC9-\uDEE4\uDEEB-\uDEEF\uDF00-\uDF35\uDF40-\uDF55\uDF58-\uDF72\uDF78-\uDF91\uDFA9-\uDFAF]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDCFA-\uDD23\uDD30-\uDD39\uDE60-\uDE7E\uDE80-\uDEA9\uDEB0\uDEB1\uDF00-\uDF27\uDF30-\uDF45\uDF51-\uDF54\uDF70-\uDF81\uDFB0-\uDFCB\uDFE0-\uDFF6]|\uD804[\uDC03-\uDC37\uDC52-\uDC6F\uDC71\uDC72\uDC75\uDC83-\uDCAF\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD03-\uDD26\uDD36-\uDD3F\uDD44\uDD47\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDD0-\uDDDA\uDDDC\uDDE1-\uDDF4\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDEF0-\uDEF9\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC50-\uDC59\uDC5F-\uDC61\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE50-\uDE59\uDE80-\uDEAA\uDEB8\uDEC0-\uDEC9\uDF00-\uDF1A\uDF30-\uDF3B\uDF40-\uDF46]|\uD806[\uDC00-\uDC2B\uDCA0-\uDCF2\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD2F\uDD3F\uDD41\uDD50-\uDD59\uDDA0-\uDDA7\uDDAA-\uDDD0\uDDE1\uDDE3\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE89\uDE9D\uDEB0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC50-\uDC6C\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46\uDD50-\uDD59\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD89\uDD98\uDDA0-\uDDA9\uDEE0-\uDEF2\uDFB0\uDFC0-\uDFD4]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|\uD80B[\uDF90-\uDFF0]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDE70-\uDEBE\uDEC0-\uDEC9\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF50-\uDF59\uDF5B-\uDF61\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE96\uDF00-\uDF4A\uDF50\uDF93-\uDF9F\uDFE0\uDFE1\uDFE3]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82B[\uDFF0-\uDFF3\uDFF5-\uDFFB\uDFFD\uDFFE]|\uD82C[\uDC00-\uDD22\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD834[\uDEE0-\uDEF3\uDF60-\uDF78]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD837[\uDF00-\uDF1E]|\uD838[\uDD00-\uDD2C\uDD37-\uDD3D\uDD40-\uDD49\uDD4E\uDE90-\uDEAD\uDEC0-\uDEEB\uDEF0-\uDEF9]|\uD839[\uDFE0-\uDFE6\uDFE8-\uDFEB\uDFED\uDFEE\uDFF0-\uDFFE]|\uD83A[\uDC00-\uDCC4\uDCC7-\uDCCF\uDD00-\uDD43\uDD4B\uDD50-\uDD59]|\uD83B[\uDC71-\uDCAB\uDCAD-\uDCAF\uDCB1-\uDCB4\uDD01-\uDD2D\uDD2F-\uDD3D\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD83C[\uDD00-\uDD0C]|\uD83E[\uDFF0-\uDFF9]|\uD869[\uDC00-\uDEDF\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF38\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A])/)) return;
        var nextChar = match[1] || match[2] || '';
  
        if (!nextChar || nextChar && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))) {
          var lLength = match[0].length - 1;
          var rDelim,
              rLength,
              delimTotal = lLength,
              midDelimTotal = 0;
          var endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd;
          endReg.lastIndex = 0; // Clip maskedSrc to same section of string as src (move to lexer?)
  
          maskedSrc = maskedSrc.slice(-1 * src.length + lLength);
  
          while ((match = endReg.exec(maskedSrc)) != null) {
            rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];
            if (!rDelim) continue; // skip single * in __abc*abc__
  
            rLength = rDelim.length;
  
            if (match[3] || match[4]) {
              // found another Left Delim
              delimTotal += rLength;
              continue;
            } else if (match[5] || match[6]) {
              // either Left or Right Delim
              if (lLength % 3 && !((lLength + rLength) % 3)) {
                midDelimTotal += rLength;
                continue; // CommonMark Emphasis Rules 9-10
              }
            }
  
            delimTotal -= rLength;
            if (delimTotal > 0) continue; // Haven't found enough closing delimiters
            // Remove extra characters. *a*** -> *a*
  
            rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); // Create `em` if smallest delimiter has odd char count. *a***
  
            if (Math.min(lLength, rLength) % 2) {
              var _text = src.slice(1, lLength + match.index + rLength);
  
              return {
                type: 'em',
                raw: src.slice(0, lLength + match.index + rLength + 1),
                text: _text,
                tokens: this.lexer.inlineTokens(_text, [])
              };
            } // Create 'strong' if smallest delimiter has even char count. **a***
  
  
            var text = src.slice(2, lLength + match.index + rLength - 1);
            return {
              type: 'strong',
              raw: src.slice(0, lLength + match.index + rLength + 1),
              text: text,
              tokens: this.lexer.inlineTokens(text, [])
            };
          }
        }
      };
  
      _proto.codespan = function codespan(src) {
        var cap = this.rules.inline.code.exec(src);
  
        if (cap) {
          var text = cap[2].replace(/\n/g, ' ');
          var hasNonSpaceChars = /[^ ]/.test(text);
          var hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text);
  
          if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) {
            text = text.substring(1, text.length - 1);
          }
  
          text = escape(text, true);
          return {
            type: 'codespan',
            raw: cap[0],
            text: text
          };
        }
      };
  
      _proto.br = function br(src) {
        var cap = this.rules.inline.br.exec(src);
  
        if (cap) {
          return {
            type: 'br',
            raw: cap[0]
          };
        }
      };
  
      _proto.del = function del(src) {
        var cap = this.rules.inline.del.exec(src);
  
        if (cap) {
          return {
            type: 'del',
            raw: cap[0],
            text: cap[2],
            tokens: this.lexer.inlineTokens(cap[2], [])
          };
        }
      };
  
      _proto.autolink = function autolink(src, mangle) {
        var cap = this.rules.inline.autolink.exec(src);
  
        if (cap) {
          var text, href;
  
          if (cap[2] === '@') {
            text = escape(this.options.mangle ? mangle(cap[1]) : cap[1]);
            href = 'mailto:' + text;
          } else {
            text = escape(cap[1]);
            href = text;
          }
  
          return {
            type: 'link',
            raw: cap[0],
            text: text,
            href: href,
            tokens: [{
              type: 'text',
              raw: text,
              text: text
            }]
          };
        }
      };
  
      _proto.url = function url(src, mangle) {
        var cap;
  
        if (cap = this.rules.inline.url.exec(src)) {
          var text, href;
  
          if (cap[2] === '@') {
            text = escape(this.options.mangle ? mangle(cap[0]) : cap[0]);
            href = 'mailto:' + text;
          } else {
            // do extended autolink path validation
            var prevCapZero;
  
            do {
              prevCapZero = cap[0];
              cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
            } while (prevCapZero !== cap[0]);
  
            text = escape(cap[0]);
  
            if (cap[1] === 'www.') {
              href = 'http://' + text;
            } else {
              href = text;
            }
          }
  
          return {
            type: 'link',
            raw: cap[0],
            text: text,
            href: href,
            tokens: [{
              type: 'text',
              raw: text,
              text: text
            }]
          };
        }
      };
  
      _proto.inlineText = function inlineText(src, smartypants) {
        var cap = this.rules.inline.text.exec(src);
  
        if (cap) {
          var text;
  
          if (this.lexer.state.inRawBlock) {
            text = this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0];
          } else {
            text = escape(this.options.smartypants ? smartypants(cap[0]) : cap[0]);
          }
  
          return {
            type: 'text',
            raw: cap[0],
            text: text
          };
        }
      };
  
      return Tokenizer;
    }();
  
    /**
     * Block-Level Grammar
     */
  
    var block = {
      newline: /^(?: *(?:\n|$))+/,
      code: /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,
      fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?=\n|$)|$)/,
      hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
      heading: /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,
      blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
      list: /^( {0,3}bull)( [^\n]+?)?(?:\n|$)/,
      html: '^ {0,3}(?:' // optional indentation
      + '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
      + '|comment[^\\n]*(\\n+|$)' // (2)
      + '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3)
      + '|<![A-Z][\\s\\S]*?(?:>\\n*|$)' // (4)
      + '|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)' // (5)
      + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (6)
      + '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag
      + '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag
      + ')',
      def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
      table: noopTest,
      lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
      // regex template, placeholders will be replaced according to different paragraph
      // interruption rules of commonmark and the original markdown spec:
      _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html| +\n)[^\n]+)*)/,
      text: /^[^\n]+/
    };
    block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
    block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
    block.def = edit(block.def).replace('label', block._label).replace('title', block._title).getRegex();
    block.bullet = /(?:[*+-]|\d{1,9}[.)])/;
    block.listItemStart = edit(/^( *)(bull) */).replace('bull', block.bullet).getRegex();
    block.list = edit(block.list).replace(/bull/g, block.bullet).replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))').replace('def', '\\n+(?=' + block.def.source + ')').getRegex();
    block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + '|track|ul';
    block._comment = /<!--(?!-?>)[\s\S]*?(?:-->|$)/;
    block.html = edit(block.html, 'i').replace('comment', block._comment).replace('tag', block._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex();
    block.paragraph = edit(block._paragraph).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
    .replace('blockquote', ' {0,3}>').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
    .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)').replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
    .getRegex();
    block.blockquote = edit(block.blockquote).replace('paragraph', block.paragraph).getRegex();
    /**
     * Normal Block Grammar
     */
  
    block.normal = merge({}, block);
    /**
     * GFM Block Grammar
     */
  
    block.gfm = merge({}, block.normal, {
      table: '^ *([^\\n ].*\\|.*)\\n' // Header
      + ' {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?' // Align
      + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
  
    });
    block.gfm.table = edit(block.gfm.table).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
    .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)').replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
    .getRegex();
    /**
     * Pedantic grammar (original John Gruber's loose markdown specification)
     */
  
    block.pedantic = merge({}, block.normal, {
      html: edit('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
      + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', block._comment).replace(/tag/g, '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(),
      def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
      heading: /^(#{1,6})(.*)(?:\n+|$)/,
      fences: noopTest,
      // fences not supported
      paragraph: edit(block.normal._paragraph).replace('hr', block.hr).replace('heading', ' *#{1,6} *[^\n]').replace('lheading', block.lheading).replace('blockquote', ' {0,3}>').replace('|fences', '').replace('|list', '').replace('|html', '').getRegex()
    });
    /**
     * Inline-Level Grammar
     */
  
    var inline = {
      escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
      autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
      url: noopTest,
      tag: '^comment' + '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
      + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
      + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
      + '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
      + '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>',
      // CDATA section
      link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
      reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
      nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
      reflinkSearch: 'reflink|nolink(?!\\()',
      emStrong: {
        lDelim: /^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,
        //        (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left.  (5) and (6) can be either Left or Right.
        //        () Skip orphan delim inside strong    (1) #***                (2) a***#, a***                   (3) #***a, ***a                 (4) ***#              (5) #***#                 (6) a***a
        rDelimAst: /^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,
        rDelimUnd: /^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/ // ^- Not allowed for _
  
      },
      code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
      br: /^( {2,}|\\)\n(?!\s*$)/,
      del: noopTest,
      text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,
      punctuation: /^([\spunctuation])/
    }; // list of punctuation marks from CommonMark spec
    // without * and _ to handle the different emphasis markers * and _
  
    inline._punctuation = '!"#$%&\'()+\\-.,/:;<=>?@\\[\\]`^{|}~';
    inline.punctuation = edit(inline.punctuation).replace(/punctuation/g, inline._punctuation).getRegex(); // sequences em should skip over [title](link), `code`, <html>
  
    inline.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
    inline.escapedEmSt = /\\\*|\\_/g;
    inline._comment = edit(block._comment).replace('(?:-->|$)', '-->').getRegex();
    inline.emStrong.lDelim = edit(inline.emStrong.lDelim).replace(/punct/g, inline._punctuation).getRegex();
    inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'g').replace(/punct/g, inline._punctuation).getRegex();
    inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'g').replace(/punct/g, inline._punctuation).getRegex();
    inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
    inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
    inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
    inline.autolink = edit(inline.autolink).replace('scheme', inline._scheme).replace('email', inline._email).getRegex();
    inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
    inline.tag = edit(inline.tag).replace('comment', inline._comment).replace('attribute', inline._attribute).getRegex();
    inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
    inline._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/;
    inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
    inline.link = edit(inline.link).replace('label', inline._label).replace('href', inline._href).replace('title', inline._title).getRegex();
    inline.reflink = edit(inline.reflink).replace('label', inline._label).getRegex();
    inline.reflinkSearch = edit(inline.reflinkSearch, 'g').replace('reflink', inline.reflink).replace('nolink', inline.nolink).getRegex();
    /**
     * Normal Inline Grammar
     */
  
    inline.normal = merge({}, inline);
    /**
     * Pedantic Inline Grammar
     */
  
    inline.pedantic = merge({}, inline.normal, {
      strong: {
        start: /^__|\*\*/,
        middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
        endAst: /\*\*(?!\*)/g,
        endUnd: /__(?!_)/g
      },
      em: {
        start: /^_|\*/,
        middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,
        endAst: /\*(?!\*)/g,
        endUnd: /_(?!_)/g
      },
      link: edit(/^!?\[(label)\]\((.*?)\)/).replace('label', inline._label).getRegex(),
      reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline._label).getRegex()
    });
    /**
     * GFM Inline Grammar
     */
  
    inline.gfm = merge({}, inline.normal, {
      escape: edit(inline.escape).replace('])', '~|])').getRegex(),
      _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
      url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
      _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
      del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,
      text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/
    });
    inline.gfm.url = edit(inline.gfm.url, 'i').replace('email', inline.gfm._extended_email).getRegex();
    /**
     * GFM + Line Breaks Inline Grammar
     */
  
    inline.breaks = merge({}, inline.gfm, {
      br: edit(inline.br).replace('{2,}', '*').getRegex(),
      text: edit(inline.gfm.text).replace('\\b_', '\\b_| {2,}\\n').replace(/\{2,\}/g, '*').getRegex()
    });
  
    /**
     * smartypants text replacement
     */
  
    function smartypants(text) {
      return text // em-dashes
      .replace(/---/g, "\u2014") // en-dashes
      .replace(/--/g, "\u2013") // opening singles
      .replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018") // closing singles & apostrophes
      .replace(/'/g, "\u2019") // opening doubles
      .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C") // closing doubles
      .replace(/"/g, "\u201D") // ellipses
      .replace(/\.{3}/g, "\u2026");
    }
    /**
     * mangle email addresses
     */
  
  
    function mangle(text) {
      var out = '',
          i,
          ch;
      var l = text.length;
  
      for (i = 0; i < l; i++) {
        ch = text.charCodeAt(i);
  
        if (Math.random() > 0.5) {
          ch = 'x' + ch.toString(16);
        }
  
        out += '&#' + ch + ';';
      }
  
      return out;
    }
    /**
     * Block Lexer
     */
  
  
    var Lexer = /*#__PURE__*/function () {
      function Lexer(options) {
        this.tokens = [];
        this.tokens.links = Object.create(null);
        this.options = options || exports.defaults;
        this.options.tokenizer = this.options.tokenizer || new Tokenizer();
        this.tokenizer = this.options.tokenizer;
        this.tokenizer.options = this.options;
        this.tokenizer.lexer = this;
        this.inlineQueue = [];
        this.state = {
          inLink: false,
          inRawBlock: false,
          top: true
        };
        var rules = {
          block: block.normal,
          inline: inline.normal
        };
  
        if (this.options.pedantic) {
          rules.block = block.pedantic;
          rules.inline = inline.pedantic;
        } else if (this.options.gfm) {
          rules.block = block.gfm;
  
          if (this.options.breaks) {
            rules.inline = inline.breaks;
          } else {
            rules.inline = inline.gfm;
          }
        }
  
        this.tokenizer.rules = rules;
      }
      /**
       * Expose Rules
       */
  
  
      /**
       * Static Lex Method
       */
      Lexer.lex = function lex(src, options) {
        var lexer = new Lexer(options);
        return lexer.lex(src);
      }
      /**
       * Static Lex Inline Method
       */
      ;
  
      Lexer.lexInline = function lexInline(src, options) {
        var lexer = new Lexer(options);
        return lexer.inlineTokens(src);
      }
      /**
       * Preprocessing
       */
      ;
  
      var _proto = Lexer.prototype;
  
      _proto.lex = function lex(src) {
        src = src.replace(/\r\n|\r/g, '\n').replace(/\t/g, '    ');
        this.blockTokens(src, this.tokens);
        var next;
  
        while (next = this.inlineQueue.shift()) {
          this.inlineTokens(next.src, next.tokens);
        }
  
        return this.tokens;
      }
      /**
       * Lexing
       */
      ;
  
      _proto.blockTokens = function blockTokens(src, tokens) {
        var _this = this;
  
        if (tokens === void 0) {
          tokens = [];
        }
  
        if (this.options.pedantic) {
          src = src.replace(/^ +$/gm, '');
        }
  
        var token, lastToken, cutSrc, lastParagraphClipped;
  
        while (src) {
          if (this.options.extensions && this.options.extensions.block && this.options.extensions.block.some(function (extTokenizer) {
            if (token = extTokenizer.call({
              lexer: _this
            }, src, tokens)) {
              src = src.substring(token.raw.length);
              tokens.push(token);
              return true;
            }
  
            return false;
          })) {
            continue;
          } // newline
  
  
          if (token = this.tokenizer.space(src)) {
            src = src.substring(token.raw.length);
  
            if (token.type) {
              tokens.push(token);
            }
  
            continue;
          } // code
  
  
          if (token = this.tokenizer.code(src)) {
            src = src.substring(token.raw.length);
            lastToken = tokens[tokens.length - 1]; // An indented code block cannot interrupt a paragraph.
  
            if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
              lastToken.raw += '\n' + token.raw;
              lastToken.text += '\n' + token.text;
              this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
            } else {
              tokens.push(token);
            }
  
            continue;
          } // fences
  
  
          if (token = this.tokenizer.fences(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // heading
  
  
          if (token = this.tokenizer.heading(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // hr
  
  
          if (token = this.tokenizer.hr(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // blockquote
  
  
          if (token = this.tokenizer.blockquote(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // list
  
  
          if (token = this.tokenizer.list(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // html
  
  
          if (token = this.tokenizer.html(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // def
  
  
          if (token = this.tokenizer.def(src)) {
            src = src.substring(token.raw.length);
            lastToken = tokens[tokens.length - 1];
  
            if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
              lastToken.raw += '\n' + token.raw;
              lastToken.text += '\n' + token.raw;
              this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
            } else if (!this.tokens.links[token.tag]) {
              this.tokens.links[token.tag] = {
                href: token.href,
                title: token.title
              };
            }
  
            continue;
          } // table (gfm)
  
  
          if (token = this.tokenizer.table(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // lheading
  
  
          if (token = this.tokenizer.lheading(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // top-level paragraph
          // prevent paragraph consuming extensions by clipping 'src' to extension start
  
  
          cutSrc = src;
  
          if (this.options.extensions && this.options.extensions.startBlock) {
            (function () {
              var startIndex = Infinity;
              var tempSrc = src.slice(1);
              var tempStart = void 0;
  
              _this.options.extensions.startBlock.forEach(function (getStartIndex) {
                tempStart = getStartIndex.call({
                  lexer: this
                }, tempSrc);
  
                if (typeof tempStart === 'number' && tempStart >= 0) {
                  startIndex = Math.min(startIndex, tempStart);
                }
              });
  
              if (startIndex < Infinity && startIndex >= 0) {
                cutSrc = src.substring(0, startIndex + 1);
              }
            })();
          }
  
          if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
            lastToken = tokens[tokens.length - 1];
  
            if (lastParagraphClipped && lastToken.type === 'paragraph') {
              lastToken.raw += '\n' + token.raw;
              lastToken.text += '\n' + token.text;
              this.inlineQueue.pop();
              this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
            } else {
              tokens.push(token);
            }
  
            lastParagraphClipped = cutSrc.length !== src.length;
            src = src.substring(token.raw.length);
            continue;
          } // text
  
  
          if (token = this.tokenizer.text(src)) {
            src = src.substring(token.raw.length);
            lastToken = tokens[tokens.length - 1];
  
            if (lastToken && lastToken.type === 'text') {
              lastToken.raw += '\n' + token.raw;
              lastToken.text += '\n' + token.text;
              this.inlineQueue.pop();
              this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
            } else {
              tokens.push(token);
            }
  
            continue;
          }
  
          if (src) {
            var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
  
            if (this.options.silent) {
              console.error(errMsg);
              break;
            } else {
              throw new Error(errMsg);
            }
          }
        }
  
        this.state.top = true;
        return tokens;
      };
  
      _proto.inline = function inline(src, tokens) {
        this.inlineQueue.push({
          src: src,
          tokens: tokens
        });
      }
      /**
       * Lexing/Compiling
       */
      ;
  
      _proto.inlineTokens = function inlineTokens(src, tokens) {
        var _this2 = this;
  
        if (tokens === void 0) {
          tokens = [];
        }
  
        var token, lastToken, cutSrc; // String with links masked to avoid interference with em and strong
  
        var maskedSrc = src;
        var match;
        var keepPrevChar, prevChar; // Mask out reflinks
  
        if (this.tokens.links) {
          var links = Object.keys(this.tokens.links);
  
          if (links.length > 0) {
            while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
              if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) {
                maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
              }
            }
          }
        } // Mask out other blocks
  
  
        while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
          maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
        } // Mask out escaped em & strong delimiters
  
  
        while ((match = this.tokenizer.rules.inline.escapedEmSt.exec(maskedSrc)) != null) {
          maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);
        }
  
        while (src) {
          if (!keepPrevChar) {
            prevChar = '';
          }
  
          keepPrevChar = false; // extensions
  
          if (this.options.extensions && this.options.extensions.inline && this.options.extensions.inline.some(function (extTokenizer) {
            if (token = extTokenizer.call({
              lexer: _this2
            }, src, tokens)) {
              src = src.substring(token.raw.length);
              tokens.push(token);
              return true;
            }
  
            return false;
          })) {
            continue;
          } // escape
  
  
          if (token = this.tokenizer.escape(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // tag
  
  
          if (token = this.tokenizer.tag(src)) {
            src = src.substring(token.raw.length);
            lastToken = tokens[tokens.length - 1];
  
            if (lastToken && token.type === 'text' && lastToken.type === 'text') {
              lastToken.raw += token.raw;
              lastToken.text += token.text;
            } else {
              tokens.push(token);
            }
  
            continue;
          } // link
  
  
          if (token = this.tokenizer.link(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // reflink, nolink
  
  
          if (token = this.tokenizer.reflink(src, this.tokens.links)) {
            src = src.substring(token.raw.length);
            lastToken = tokens[tokens.length - 1];
  
            if (lastToken && token.type === 'text' && lastToken.type === 'text') {
              lastToken.raw += token.raw;
              lastToken.text += token.text;
            } else {
              tokens.push(token);
            }
  
            continue;
          } // em & strong
  
  
          if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // code
  
  
          if (token = this.tokenizer.codespan(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // br
  
  
          if (token = this.tokenizer.br(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // del (gfm)
  
  
          if (token = this.tokenizer.del(src)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // autolink
  
  
          if (token = this.tokenizer.autolink(src, mangle)) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // url (gfm)
  
  
          if (!this.state.inLink && (token = this.tokenizer.url(src, mangle))) {
            src = src.substring(token.raw.length);
            tokens.push(token);
            continue;
          } // text
          // prevent inlineText consuming extensions by clipping 'src' to extension start
  
  
          cutSrc = src;
  
          if (this.options.extensions && this.options.extensions.startInline) {
            (function () {
              var startIndex = Infinity;
              var tempSrc = src.slice(1);
              var tempStart = void 0;
  
              _this2.options.extensions.startInline.forEach(function (getStartIndex) {
                tempStart = getStartIndex.call({
                  lexer: this
                }, tempSrc);
  
                if (typeof tempStart === 'number' && tempStart >= 0) {
                  startIndex = Math.min(startIndex, tempStart);
                }
              });
  
              if (startIndex < Infinity && startIndex >= 0) {
                cutSrc = src.substring(0, startIndex + 1);
              }
            })();
          }
  
          if (token = this.tokenizer.inlineText(cutSrc, smartypants)) {
            src = src.substring(token.raw.length);
  
            if (token.raw.slice(-1) !== '_') {
              // Track prevChar before string of ____ started
              prevChar = token.raw.slice(-1);
            }
  
            keepPrevChar = true;
            lastToken = tokens[tokens.length - 1];
  
            if (lastToken && lastToken.type === 'text') {
              lastToken.raw += token.raw;
              lastToken.text += token.text;
            } else {
              tokens.push(token);
            }
  
            continue;
          }
  
          if (src) {
            var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
  
            if (this.options.silent) {
              console.error(errMsg);
              break;
            } else {
              throw new Error(errMsg);
            }
          }
        }
  
        return tokens;
      };
  
      _createClass(Lexer, null, [{
        key: "rules",
        get: function get() {
          return {
            block: block,
            inline: inline
          };
        }
      }]);
  
      return Lexer;
    }();
  
    /**
     * Renderer
     */
  
    var Renderer = /*#__PURE__*/function () {
      function Renderer(options) {
        this.options = options || exports.defaults;
      }
  
      var _proto = Renderer.prototype;
  
      _proto.code = function code(_code, infostring, escaped) {
        var lang = (infostring || '').match(/\S*/)[0];
  
        if (this.options.highlight) {
          var out = this.options.highlight(_code, lang);
  
          if (out != null && out !== _code) {
            escaped = true;
            _code = out;
          }
        }
  
        _code = _code.replace(/\n$/, '') + '\n';
  
        if (!lang) {
          return '<pre><code>' + (escaped ? _code : escape(_code, true)) + '</code></pre>\n';
        }
  
        return '<pre><code class="' + this.options.langPrefix + escape(lang, true) + '">' + (escaped ? _code : escape(_code, true)) + '</code></pre>\n';
      };
  
      _proto.blockquote = function blockquote(quote) {
        return '<blockquote>\n' + quote + '</blockquote>\n';
      };
  
      _proto.html = function html(_html) {
        return _html;
      };
  
      _proto.heading = function heading(text, level, raw, slugger) {
        if (this.options.headerIds) {
          return '<h' + level + ' id="' + this.options.headerPrefix + slugger.slug(raw) + '">' + text + '</h' + level + '>\n';
        } // ignore IDs
  
  
        return '<h' + level + '>' + text + '</h' + level + '>\n';
      };
  
      _proto.hr = function hr() {
        return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
      };
  
      _proto.list = function list(body, ordered, start) {
        var type = ordered ? 'ol' : 'ul',
            startatt = ordered && start !== 1 ? ' start="' + start + '"' : '';
        return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
      };
  
      _proto.listitem = function listitem(text) {
        return '<li>' + text + '</li>\n';
      };
  
      _proto.checkbox = function checkbox(checked) {
        return '<input ' + (checked ? 'checked="" ' : '') + 'disabled="" type="checkbox"' + (this.options.xhtml ? ' /' : '') + '> ';
      };
  
      _proto.paragraph = function paragraph(text) {
        return '<p>' + text + '</p>\n';
      };
  
      _proto.table = function table(header, body) {
        if (body) body = '<tbody>' + body + '</tbody>';
        return '<table>\n' + '<thead>\n' + header + '</thead>\n' + body + '</table>\n';
      };
  
      _proto.tablerow = function tablerow(content) {
        return '<tr>\n' + content + '</tr>\n';
      };
  
      _proto.tablecell = function tablecell(content, flags) {
        var type = flags.header ? 'th' : 'td';
        var tag = flags.align ? '<' + type + ' align="' + flags.align + '">' : '<' + type + '>';
        return tag + content + '</' + type + '>\n';
      } // span level renderer
      ;
  
      _proto.strong = function strong(text) {
        return '<strong>' + text + '</strong>';
      };
  
      _proto.em = function em(text) {
        return '<em>' + text + '</em>';
      };
  
      _proto.codespan = function codespan(text) {
        return '<code>' + text + '</code>';
      };
  
      _proto.br = function br() {
        return this.options.xhtml ? '<br/>' : '<br>';
      };
  
      _proto.del = function del(text) {
        return '<del>' + text + '</del>';
      };
  
      _proto.link = function link(href, title, text) {
        href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
  
        if (href === null) {
          return text;
        }
  
        var out = '<a href="' + escape(href) + '"';
  
        if (title) {
          out += ' title="' + title + '"';
        }
  
        out += '>' + text + '</a>';
        return out;
      };
  
      _proto.image = function image(href, title, text) {
        href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
  
        if (href === null) {
          return text;
        }
  
        var out = '<img src="' + href + '" alt="' + text + '"';
  
        if (title) {
          out += ' title="' + title + '"';
        }
  
        out += this.options.xhtml ? '/>' : '>';
        return out;
      };
  
      _proto.text = function text(_text) {
        return _text;
      };
  
      return Renderer;
    }();
  
    /**
     * TextRenderer
     * returns only the textual part of the token
     */
    var TextRenderer = /*#__PURE__*/function () {
      function TextRenderer() {}
  
      var _proto = TextRenderer.prototype;
  
      // no need for block level renderers
      _proto.strong = function strong(text) {
        return text;
      };
  
      _proto.em = function em(text) {
        return text;
      };
  
      _proto.codespan = function codespan(text) {
        return text;
      };
  
      _proto.del = function del(text) {
        return text;
      };
  
      _proto.html = function html(text) {
        return text;
      };
  
      _proto.text = function text(_text) {
        return _text;
      };
  
      _proto.link = function link(href, title, text) {
        return '' + text;
      };
  
      _proto.image = function image(href, title, text) {
        return '' + text;
      };
  
      _proto.br = function br() {
        return '';
      };
  
      return TextRenderer;
    }();
  
    /**
     * Slugger generates header id
     */
    var Slugger = /*#__PURE__*/function () {
      function Slugger() {
        this.seen = {};
      }
  
      var _proto = Slugger.prototype;
  
      _proto.serialize = function serialize(value) {
        return value.toLowerCase().trim() // remove html tags
        .replace(/<[!\/a-z].*?>/ig, '') // remove unwanted chars
        .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '').replace(/\s/g, '-');
      }
      /**
       * Finds the next safe (unique) slug to use
       */
      ;
  
      _proto.getNextSafeSlug = function getNextSafeSlug(originalSlug, isDryRun) {
        var slug = originalSlug;
        var occurenceAccumulator = 0;
  
        if (this.seen.hasOwnProperty(slug)) {
          occurenceAccumulator = this.seen[originalSlug];
  
          do {
            occurenceAccumulator++;
            slug = originalSlug + '-' + occurenceAccumulator;
          } while (this.seen.hasOwnProperty(slug));
        }
  
        if (!isDryRun) {
          this.seen[originalSlug] = occurenceAccumulator;
          this.seen[slug] = 0;
        }
  
        return slug;
      }
      /**
       * Convert string to unique id
       * @param {object} options
       * @param {boolean} options.dryrun Generates the next unique slug without updating the internal accumulator.
       */
      ;
  
      _proto.slug = function slug(value, options) {
        if (options === void 0) {
          options = {};
        }
  
        var slug = this.serialize(value);
        return this.getNextSafeSlug(slug, options.dryrun);
      };
  
      return Slugger;
    }();
  
    /**
     * Parsing & Compiling
     */
  
    var Parser = /*#__PURE__*/function () {
      function Parser(options) {
        this.options = options || exports.defaults;
        this.options.renderer = this.options.renderer || new Renderer();
        this.renderer = this.options.renderer;
        this.renderer.options = this.options;
        this.textRenderer = new TextRenderer();
        this.slugger = new Slugger();
      }
      /**
       * Static Parse Method
       */
  
  
      Parser.parse = function parse(tokens, options) {
        var parser = new Parser(options);
        return parser.parse(tokens);
      }
      /**
       * Static Parse Inline Method
       */
      ;
  
      Parser.parseInline = function parseInline(tokens, options) {
        var parser = new Parser(options);
        return parser.parseInline(tokens);
      }
      /**
       * Parse Loop
       */
      ;
  
      var _proto = Parser.prototype;
  
      _proto.parse = function parse(tokens, top) {
        if (top === void 0) {
          top = true;
        }
  
        var out = '',
            i,
            j,
            k,
            l2,
            l3,
            row,
            cell,
            header,
            body,
            token,
            ordered,
            start,
            loose,
            itemBody,
            item,
            checked,
            task,
            checkbox,
            ret;
        var l = tokens.length;
  
        for (i = 0; i < l; i++) {
          token = tokens[i]; // Run any renderer extensions
  
          if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
            ret = this.options.extensions.renderers[token.type].call({
              parser: this
            }, token);
  
            if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(token.type)) {
              out += ret || '';
              continue;
            }
          }
  
          switch (token.type) {
            case 'space':
              {
                continue;
              }
  
            case 'hr':
              {
                out += this.renderer.hr();
                continue;
              }
  
            case 'heading':
              {
                out += this.renderer.heading(this.parseInline(token.tokens), token.depth, unescape(this.parseInline(token.tokens, this.textRenderer)), this.slugger);
                continue;
              }
  
            case 'code':
              {
                out += this.renderer.code(token.text, token.lang, token.escaped);
                continue;
              }
  
            case 'table':
              {
                header = ''; // header
  
                cell = '';
                l2 = token.header.length;
  
                for (j = 0; j < l2; j++) {
                  cell += this.renderer.tablecell(this.parseInline(token.header[j].tokens), {
                    header: true,
                    align: token.align[j]
                  });
                }
  
                header += this.renderer.tablerow(cell);
                body = '';
                l2 = token.rows.length;
  
                for (j = 0; j < l2; j++) {
                  row = token.rows[j];
                  cell = '';
                  l3 = row.length;
  
                  for (k = 0; k < l3; k++) {
                    cell += this.renderer.tablecell(this.parseInline(row[k].tokens), {
                      header: false,
                      align: token.align[k]
                    });
                  }
  
                  body += this.renderer.tablerow(cell);
                }
  
                out += this.renderer.table(header, body);
                continue;
              }
  
            case 'blockquote':
              {
                body = this.parse(token.tokens);
                out += this.renderer.blockquote(body);
                continue;
              }
  
            case 'list':
              {
                ordered = token.ordered;
                start = token.start;
                loose = token.loose;
                l2 = token.items.length;
                body = '';
  
                for (j = 0; j < l2; j++) {
                  item = token.items[j];
                  checked = item.checked;
                  task = item.task;
                  itemBody = '';
  
                  if (item.task) {
                    checkbox = this.renderer.checkbox(checked);
  
                    if (loose) {
                      if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') {
                        item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
  
                        if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
                          item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
                        }
                      } else {
                        item.tokens.unshift({
                          type: 'text',
                          text: checkbox
                        });
                      }
                    } else {
                      itemBody += checkbox;
                    }
                  }
  
                  itemBody += this.parse(item.tokens, loose);
                  body += this.renderer.listitem(itemBody, task, checked);
                }
  
                out += this.renderer.list(body, ordered, start);
                continue;
              }
  
            case 'html':
              {
                // TODO parse inline content if parameter markdown=1
                out += this.renderer.html(token.text);
                continue;
              }
  
            case 'paragraph':
              {
                out += this.renderer.paragraph(this.parseInline(token.tokens));
                continue;
              }
  
            case 'text':
              {
                body = token.tokens ? this.parseInline(token.tokens) : token.text;
  
                while (i + 1 < l && tokens[i + 1].type === 'text') {
                  token = tokens[++i];
                  body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
                }
  
                out += top ? this.renderer.paragraph(body) : body;
                continue;
              }
  
            default:
              {
                var errMsg = 'Token with "' + token.type + '" type was not found.';
  
                if (this.options.silent) {
                  console.error(errMsg);
                  return;
                } else {
                  throw new Error(errMsg);
                }
              }
          }
        }
  
        return out;
      }
      /**
       * Parse Inline Tokens
       */
      ;
  
      _proto.parseInline = function parseInline(tokens, renderer) {
        renderer = renderer || this.renderer;
        var out = '',
            i,
            token,
            ret;
        var l = tokens.length;
  
        for (i = 0; i < l; i++) {
          token = tokens[i]; // Run any renderer extensions
  
          if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
            ret = this.options.extensions.renderers[token.type].call({
              parser: this
            }, token);
  
            if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(token.type)) {
              out += ret || '';
              continue;
            }
          }
  
          switch (token.type) {
            case 'escape':
              {
                out += renderer.text(token.text);
                break;
              }
  
            case 'html':
              {
                out += renderer.html(token.text);
                break;
              }
  
            case 'link':
              {
                out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
                break;
              }
  
            case 'image':
              {
                out += renderer.image(token.href, token.title, token.text);
                break;
              }
  
            case 'strong':
              {
                out += renderer.strong(this.parseInline(token.tokens, renderer));
                break;
              }
  
            case 'em':
              {
                out += renderer.em(this.parseInline(token.tokens, renderer));
                break;
              }
  
            case 'codespan':
              {
                out += renderer.codespan(token.text);
                break;
              }
  
            case 'br':
              {
                out += renderer.br();
                break;
              }
  
            case 'del':
              {
                out += renderer.del(this.parseInline(token.tokens, renderer));
                break;
              }
  
            case 'text':
              {
                out += renderer.text(token.text);
                break;
              }
  
            default:
              {
                var errMsg = 'Token with "' + token.type + '" type was not found.';
  
                if (this.options.silent) {
                  console.error(errMsg);
                  return;
                } else {
                  throw new Error(errMsg);
                }
              }
          }
        }
  
        return out;
      };
  
      return Parser;
    }();
  
    /**
     * Marked
     */
  
    function marked(src, opt, callback) {
      // throw error in case of non string input
      if (typeof src === 'undefined' || src === null) {
        throw new Error('marked(): input parameter is undefined or null');
      }
  
      if (typeof src !== 'string') {
        throw new Error('marked(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
      }
  
      if (typeof opt === 'function') {
        callback = opt;
        opt = null;
      }
  
      opt = merge({}, marked.defaults, opt || {});
      checkSanitizeDeprecation(opt);
  
      if (callback) {
        var highlight = opt.highlight;
        var tokens;
  
        try {
          tokens = Lexer.lex(src, opt);
        } catch (e) {
          return callback(e);
        }
  
        var done = function done(err) {
          var out;
  
          if (!err) {
            try {
              if (opt.walkTokens) {
                marked.walkTokens(tokens, opt.walkTokens);
              }
  
              out = Parser.parse(tokens, opt);
            } catch (e) {
              err = e;
            }
          }
  
          opt.highlight = highlight;
          return err ? callback(err) : callback(null, out);
        };
  
        if (!highlight || highlight.length < 3) {
          return done();
        }
  
        delete opt.highlight;
        if (!tokens.length) return done();
        var pending = 0;
        marked.walkTokens(tokens, function (token) {
          if (token.type === 'code') {
            pending++;
            setTimeout(function () {
              highlight(token.text, token.lang, function (err, code) {
                if (err) {
                  return done(err);
                }
  
                if (code != null && code !== token.text) {
                  token.text = code;
                  token.escaped = true;
                }
  
                pending--;
  
                if (pending === 0) {
                  done();
                }
              });
            }, 0);
          }
        });
  
        if (pending === 0) {
          done();
        }
  
        return;
      }
  
      try {
        var _tokens = Lexer.lex(src, opt);
  
        if (opt.walkTokens) {
          marked.walkTokens(_tokens, opt.walkTokens);
        }
  
        return Parser.parse(_tokens, opt);
      } catch (e) {
        e.message += '\nPlease report this to https://github.com/markedjs/marked.';
  
        if (opt.silent) {
          return '<p>An error occurred:</p><pre>' + escape(e.message + '', true) + '</pre>';
        }
  
        throw e;
      }
    }
    /**
     * Options
     */
  
    marked.options = marked.setOptions = function (opt) {
      merge(marked.defaults, opt);
      changeDefaults(marked.defaults);
      return marked;
    };
  
    marked.getDefaults = getDefaults;
    marked.defaults = exports.defaults;
    /**
     * Use Extension
     */
  
    marked.use = function () {
      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }
  
      var opts = merge.apply(void 0, [{}].concat(args));
      var extensions = marked.defaults.extensions || {
        renderers: {},
        childTokens: {}
      };
      var hasExtensions;
      args.forEach(function (pack) {
        // ==-- Parse "addon" extensions --== //
        if (pack.extensions) {
          hasExtensions = true;
          pack.extensions.forEach(function (ext) {
            if (!ext.name) {
              throw new Error('extension name required');
            }
  
            if (ext.renderer) {
              // Renderer extensions
              var prevRenderer = extensions.renderers ? extensions.renderers[ext.name] : null;
  
              if (prevRenderer) {
                // Replace extension with func to run new extension but fall back if false
                extensions.renderers[ext.name] = function () {
                  for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                    args[_key2] = arguments[_key2];
                  }
  
                  var ret = ext.renderer.apply(this, args);
  
                  if (ret === false) {
                    ret = prevRenderer.apply(this, args);
                  }
  
                  return ret;
                };
              } else {
                extensions.renderers[ext.name] = ext.renderer;
              }
            }
  
            if (ext.tokenizer) {
              // Tokenizer Extensions
              if (!ext.level || ext.level !== 'block' && ext.level !== 'inline') {
                throw new Error("extension level must be 'block' or 'inline'");
              }
  
              if (extensions[ext.level]) {
                extensions[ext.level].unshift(ext.tokenizer);
              } else {
                extensions[ext.level] = [ext.tokenizer];
              }
  
              if (ext.start) {
                // Function to check for start of token
                if (ext.level === 'block') {
                  if (extensions.startBlock) {
                    extensions.startBlock.push(ext.start);
                  } else {
                    extensions.startBlock = [ext.start];
                  }
                } else if (ext.level === 'inline') {
                  if (extensions.startInline) {
                    extensions.startInline.push(ext.start);
                  } else {
                    extensions.startInline = [ext.start];
                  }
                }
              }
            }
  
            if (ext.childTokens) {
              // Child tokens to be visited by walkTokens
              extensions.childTokens[ext.name] = ext.childTokens;
            }
          });
        } // ==-- Parse "overwrite" extensions --== //
  
  
        if (pack.renderer) {
          (function () {
            var renderer = marked.defaults.renderer || new Renderer();
  
            var _loop = function _loop(prop) {
              var prevRenderer = renderer[prop]; // Replace renderer with func to run extension, but fall back if false
  
              renderer[prop] = function () {
                for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
                  args[_key3] = arguments[_key3];
                }
  
                var ret = pack.renderer[prop].apply(renderer, args);
  
                if (ret === false) {
                  ret = prevRenderer.apply(renderer, args);
                }
  
                return ret;
              };
            };
  
            for (var prop in pack.renderer) {
              _loop(prop);
            }
  
            opts.renderer = renderer;
          })();
        }
  
        if (pack.tokenizer) {
          (function () {
            var tokenizer = marked.defaults.tokenizer || new Tokenizer();
  
            var _loop2 = function _loop2(prop) {
              var prevTokenizer = tokenizer[prop]; // Replace tokenizer with func to run extension, but fall back if false
  
              tokenizer[prop] = function () {
                for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
                  args[_key4] = arguments[_key4];
                }
  
                var ret = pack.tokenizer[prop].apply(tokenizer, args);
  
                if (ret === false) {
                  ret = prevTokenizer.apply(tokenizer, args);
                }
  
                return ret;
              };
            };
  
            for (var prop in pack.tokenizer) {
              _loop2(prop);
            }
  
            opts.tokenizer = tokenizer;
          })();
        } // ==-- Parse WalkTokens extensions --== //
  
  
        if (pack.walkTokens) {
          var _walkTokens = marked.defaults.walkTokens;
  
          opts.walkTokens = function (token) {
            pack.walkTokens.call(this, token);
  
            if (_walkTokens) {
              _walkTokens.call(this, token);
            }
          };
        }
  
        if (hasExtensions) {
          opts.extensions = extensions;
        }
  
        marked.setOptions(opts);
      });
    };
    /**
     * Run callback for every token
     */
  
  
    marked.walkTokens = function (tokens, callback) {
      var _loop3 = function _loop3() {
        var token = _step.value;
        callback.call(marked, token);
  
        switch (token.type) {
          case 'table':
            {
              for (var _iterator2 = _createForOfIteratorHelperLoose(token.header), _step2; !(_step2 = _iterator2()).done;) {
                var cell = _step2.value;
                marked.walkTokens(cell.tokens, callback);
              }
  
              for (var _iterator3 = _createForOfIteratorHelperLoose(token.rows), _step3; !(_step3 = _iterator3()).done;) {
                var row = _step3.value;
  
                for (var _iterator4 = _createForOfIteratorHelperLoose(row), _step4; !(_step4 = _iterator4()).done;) {
                  var _cell = _step4.value;
                  marked.walkTokens(_cell.tokens, callback);
                }
              }
  
              break;
            }
  
          case 'list':
            {
              marked.walkTokens(token.items, callback);
              break;
            }
  
          default:
            {
              if (marked.defaults.extensions && marked.defaults.extensions.childTokens && marked.defaults.extensions.childTokens[token.type]) {
                // Walk any extensions
                marked.defaults.extensions.childTokens[token.type].forEach(function (childTokens) {
                  marked.walkTokens(token[childTokens], callback);
                });
              } else if (token.tokens) {
                marked.walkTokens(token.tokens, callback);
              }
            }
        }
      };
  
      for (var _iterator = _createForOfIteratorHelperLoose(tokens), _step; !(_step = _iterator()).done;) {
        _loop3();
      }
    };
    /**
     * Parse Inline
     */
  
  
    marked.parseInline = function (src, opt) {
      // throw error in case of non string input
      if (typeof src === 'undefined' || src === null) {
        throw new Error('marked.parseInline(): input parameter is undefined or null');
      }
  
      if (typeof src !== 'string') {
        throw new Error('marked.parseInline(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
      }
  
      opt = merge({}, marked.defaults, opt || {});
      checkSanitizeDeprecation(opt);
  
      try {
        var tokens = Lexer.lexInline(src, opt);
  
        if (opt.walkTokens) {
          marked.walkTokens(tokens, opt.walkTokens);
        }
  
        return Parser.parseInline(tokens, opt);
      } catch (e) {
        e.message += '\nPlease report this to https://github.com/markedjs/marked.';
  
        if (opt.silent) {
          return '<p>An error occurred:</p><pre>' + escape(e.message + '', true) + '</pre>';
        }
  
        throw e;
      }
    };
    /**
     * Expose
     */
  
  
    marked.Parser = Parser;
    marked.parser = Parser.parse;
    marked.Renderer = Renderer;
    marked.TextRenderer = TextRenderer;
    marked.Lexer = Lexer;
    marked.lexer = Lexer.lex;
    marked.Tokenizer = Tokenizer;
    marked.Slugger = Slugger;
    marked.parse = marked;
    var options = marked.options;
    var setOptions = marked.setOptions;
    var use = marked.use;
    var walkTokens = marked.walkTokens;
    var parseInline = marked.parseInline;
    var parse = marked;
    var parser = Parser.parse;
    var lexer = Lexer.lex;
  
    exports.Lexer = Lexer;
    exports.Parser = Parser;
    exports.Renderer = Renderer;
    exports.Slugger = Slugger;
    exports.TextRenderer = TextRenderer;
    exports.Tokenizer = Tokenizer;
    exports.getDefaults = getDefaults;
    exports.lexer = lexer;
    exports.marked = marked;
    exports.options = options;
    exports.parse = parse;
    exports.parseInline = parseInline;
    exports.parser = parser;
    exports.setOptions = setOptions;
    exports.use = use;
    exports.walkTokens = walkTokens;
  
    Object.defineProperty(exports, '__esModule', { value: true });
  
  }));
  