text: (function () {
      function diff_match_patch() {
          this.Diff_Timeout = 1;
          this.Diff_EditCost = 4;
          this.Match_Threshold = 0.5;
          this.Match_Distance = 1E3;
          this.Patch_DeleteThreshold = 0.5;
          this.Patch_Margin = 4;
          this.Match_MaxBits = 32
      }
  
      diff_match_patch.prototype.diff_main = function (a, b, c, d) {
          "undefined" == typeof d && (d = 0 >= this.Diff_Timeout ? Number.MAX_VALUE : (new Date).getTime() + 1E3 * this.Diff_Timeout);
          if (null == a || null == b)throw Error("Null input. (diff_main)");
          if (a == b)return a ? [[0, a]] : [];
          "undefined" == typeof c && (c = !0);
          var e = c, f = this.diff_commonPrefix(a, b);
          c = a.substring(0, f);
          a = a.substring(f);
          b = b.substring(f);
          var f = this.diff_commonSuffix(a, b), g = a.substring(a.length - f);
          a = a.substring(0, a.length - f);
          b = b.substring(0, b.length - f);
          a = this.diff_compute_(a,
              b, e, d);
          c && a.unshift([0, c]);
          g && a.push([0, g]);
          this.diff_cleanupMerge(a);
          return a
      };
      diff_match_patch.prototype.diff_compute_ = function (a, b, c, d) {
          if (!a)return [[1, b]];
          if (!b)return [[-1, a]];
          var e = a.length > b.length ? a : b, f = a.length > b.length ? b : a, g = e.indexOf(f);
          return -1 != g ? (c = [[1, e.substring(0, g)], [0, f], [1, e.substring(g + f.length)]], a.length > b.length && (c[0][0] = c[2][0] = -1), c) : 1 == f.length ? [[-1, a], [1, b]] : (e = this.diff_halfMatch_(a, b)) ? (f = e[0], a = e[1], g = e[2], b = e[3], e = e[4], f = this.diff_main(f, g, c, d), c = this.diff_main(a, b, c, d), f.concat([[0, e]], c)) : c && 100 < a.length && 100 < b.length ? this.diff_lineMode_(a, b,
              d) : this.diff_bisect_(a, b, d)
      };
      diff_match_patch.prototype.diff_lineMode_ = function (a, b, c) {
          var d = this.diff_linesToChars_(a, b);
          a = d.chars1;
          b = d.chars2;
          d = d.lineArray;
          a = this.diff_main(a, b, !1, c);
          this.diff_charsToLines_(a, d);
          this.diff_cleanupSemantic(a);
          a.push([0, ""]);
          for (var e = d = b = 0, f = "", g = ""; b < a.length;) {
              switch (a[b][0]) {
                  case 1:
                      e++;
                      g += a[b][1];
                      break;
                  case -1:
                      d++;
                      f += a[b][1];
                      break;
                  case 0:
                      if (1 <= d && 1 <= e) {
                          a.splice(b - d - e, d + e);
                          b = b - d - e;
                          d = this.diff_main(f, g, !1, c);
                          for (e = d.length - 1; 0 <= e; e--)a.splice(b, 0, d[e]);
                          b += d.length
                      }
                      d = e = 0;
                      g = f = ""
              }
              b++
          }
          a.pop();
          return a
      };
      diff_match_patch.prototype.diff_bisect_ = function (a, b, c) {
          for (var d = a.length, e = b.length, f = Math.ceil((d + e) / 2), g = f, h = 2 * f, j = Array(h), i = Array(h), k = 0; k < h; k++)j[k] = -1, i[k] = -1;
          j[g + 1] = 0;
          i[g + 1] = 0;
          for (var k = d - e, q = 0 != k % 2, r = 0, t = 0, p = 0, w = 0, v = 0; v < f && !((new Date).getTime() > c); v++) {
              for (var n = -v + r; n <= v - t; n += 2) {
                  var l = g + n, m;
                  m = n == -v || n != v && j[l - 1] < j[l + 1] ? j[l + 1] : j[l - 1] + 1;
                  for (var s = m - n; m < d && s < e && a.charAt(m) == b.charAt(s);)m++, s++;
                  j[l] = m;
                  if (m > d)t += 2; else if (s > e)r += 2; else if (q && (l = g + k - n, 0 <= l && l < h && -1 != i[l])) {
                      var u = d - i[l];
                      if (m >=
                          u)return this.diff_bisectSplit_(a, b, m, s, c)
                  }
              }
              for (n = -v + p; n <= v - w; n += 2) {
                  l = g + n;
                  u = n == -v || n != v && i[l - 1] < i[l + 1] ? i[l + 1] : i[l - 1] + 1;
                  for (m = u - n; u < d && m < e && a.charAt(d - u - 1) == b.charAt(e - m - 1);)u++, m++;
                  i[l] = u;
                  if (u > d)w += 2; else if (m > e)p += 2; else if (!q && (l = g + k - n, 0 <= l && (l < h && -1 != j[l]) && (m = j[l], s = g + m - l, u = d - u, m >= u)))return this.diff_bisectSplit_(a, b, m, s, c)
              }
          }
          return [[-1, a], [1, b]]
      };
      diff_match_patch.prototype.diff_bisectSplit_ = function (a, b, c, d, e) {
          var f = a.substring(0, c), g = b.substring(0, d);
          a = a.substring(c);
          b = b.substring(d);
          f = this.diff_main(f, g, !1, e);
          e = this.diff_main(a, b, !1, e);
          return f.concat(e)
      };
      diff_match_patch.prototype.diff_linesToChars_ = function (a, b) {
          function c(a) {
              for (var b = "", c = 0, f = -1, g = d.length; f < a.length - 1;) {
                  f = a.indexOf("\n", c);
                  -1 == f && (f = a.length - 1);
                  var r = a.substring(c, f + 1), c = f + 1;
                  (e.hasOwnProperty ? e.hasOwnProperty(r) : void 0 !== e[r]) ? b += String.fromCharCode(e[r]) : (b += String.fromCharCode(g), e[r] = g, d[g++] = r)
              }
              return b
          }
  
          var d = [], e = {};
          d[0] = "";
          var f = c(a), g = c(b);
          return {chars1: f, chars2: g, lineArray: d}
      };
      diff_match_patch.prototype.diff_charsToLines_ = function (a, b) {
          for (var c = 0; c < a.length; c++) {
              for (var d = a[c][1], e = [], f = 0; f < d.length; f++)e[f] = b[d.charCodeAt(f)];
              a[c][1] = e.join("")
          }
      };
      diff_match_patch.prototype.diff_commonPrefix = function (a, b) {
          if (!a || !b || a.charAt(0) != b.charAt(0))return 0;
          for (var c = 0, d = Math.min(a.length, b.length), e = d, f = 0; c < e;)a.substring(f, e) == b.substring(f, e) ? f = c = e : d = e, e = Math.floor((d - c) / 2 + c);
          return e
      };
      diff_match_patch.prototype.diff_commonSuffix = function (a, b) {
          if (!a || !b || a.charAt(a.length - 1) != b.charAt(b.length - 1))return 0;
          for (var c = 0, d = Math.min(a.length, b.length), e = d, f = 0; c < e;)a.substring(a.length - e, a.length - f) == b.substring(b.length - e, b.length - f) ? f = c = e : d = e, e = Math.floor((d - c) / 2 + c);
          return e
      };
      diff_match_patch.prototype.diff_commonOverlap_ = function (a, b) {
          var c = a.length, d = b.length;
          if (0 == c || 0 == d)return 0;
          c > d ? a = a.substring(c - d) : c < d && (b = b.substring(0, c));
          c = Math.min(c, d);
          if (a == b)return c;
          for (var d = 0, e = 1; ;) {
              var f = a.substring(c - e), f = b.indexOf(f);
              if (-1 == f)return d;
              e += f;
              if (0 == f || a.substring(c - e) == b.substring(0, e))d = e, e++
          }
      };
      diff_match_patch.prototype.diff_halfMatch_ = function (a, b) {
          function c(a, b, c) {
              for (var d = a.substring(c, c + Math.floor(a.length / 4)), e = -1, g = "", h, j, n, l; -1 != (e = b.indexOf(d, e + 1));) {
                  var m = f.diff_commonPrefix(a.substring(c), b.substring(e)), s = f.diff_commonSuffix(a.substring(0, c), b.substring(0, e));
                  g.length < s + m && (g = b.substring(e - s, e) + b.substring(e, e + m), h = a.substring(0, c - s), j = a.substring(c + m), n = b.substring(0, e - s), l = b.substring(e + m))
              }
              return 2 * g.length >= a.length ? [h, j, n, l, g] : null
          }
  
          if (0 >= this.Diff_Timeout)return null;
          var d = a.length > b.length ? a : b, e = a.length > b.length ? b : a;
          if (4 > d.length || 2 * e.length < d.length)return null;
          var f = this, g = c(d, e, Math.ceil(d.length / 4)), d = c(d, e, Math.ceil(d.length / 2)), h;
          if (!g && !d)return null;
          h = d ? g ? g[4].length > d[4].length ? g : d : d : g;
          var j;
          a.length > b.length ? (g = h[0], d = h[1], e = h[2], j = h[3]) : (e = h[0], j = h[1], g = h[2], d = h[3]);
          h = h[4];
          return [g, d, e, j, h]
      };
      diff_match_patch.prototype.diff_cleanupSemantic = function (a) {
          for (var b = !1, c = [], d = 0, e = null, f = 0, g = 0, h = 0, j = 0, i = 0; f < a.length;)0 == a[f][0] ? (c[d++] = f, g = j, h = i, i = j = 0, e = a[f][1]) : (1 == a[f][0] ? j += a[f][1].length : i += a[f][1].length, e && (e.length <= Math.max(g, h) && e.length <= Math.max(j, i)) && (a.splice(c[d - 1], 0, [-1, e]), a[c[d - 1] + 1][0] = 1, d--, d--, f = 0 < d ? c[d - 1] : -1, i = j = h = g = 0, e = null, b = !0)), f++;
          b && this.diff_cleanupMerge(a);
          this.diff_cleanupSemanticLossless(a);
          for (f = 1; f < a.length;) {
              if (-1 == a[f - 1][0] && 1 == a[f][0]) {
                  b = a[f - 1][1];
                  c = a[f][1];
                  d = this.diff_commonOverlap_(b, c);
                  e = this.diff_commonOverlap_(c, b);
                  if (d >= e) {
                      if (d >= b.length / 2 || d >= c.length / 2)a.splice(f, 0, [0, c.substring(0, d)]), a[f - 1][1] = b.substring(0, b.length - d), a[f + 1][1] = c.substring(d), f++
                  } else if (e >= b.length / 2 || e >= c.length / 2)a.splice(f, 0, [0, b.substring(0, e)]), a[f - 1][0] = 1, a[f - 1][1] = c.substring(0, c.length - e), a[f + 1][0] = -1, a[f + 1][1] = b.substring(e), f++;
                  f++
              }
              f++
          }
      };
      diff_match_patch.prototype.diff_cleanupSemanticLossless = function (a) {
          function b(a, b) {
              if (!a || !b)return 6;
              var c = a.charAt(a.length - 1), d = b.charAt(0), e = c.match(diff_match_patch.nonAlphaNumericRegex_), f = d.match(diff_match_patch.nonAlphaNumericRegex_), g = e && c.match(diff_match_patch.whitespaceRegex_), h = f && d.match(diff_match_patch.whitespaceRegex_), c = g && c.match(diff_match_patch.linebreakRegex_), d = h && d.match(diff_match_patch.linebreakRegex_), i = c && a.match(diff_match_patch.blanklineEndRegex_), j = d && b.match(diff_match_patch.blanklineStartRegex_);
              return i || j ? 5 : c || d ? 4 : e && !g && h ? 3 : g || h ? 2 : e || f ? 1 : 0
          }
  
          for (var c = 1; c < a.length - 1;) {
              if (0 == a[c - 1][0] && 0 == a[c + 1][0]) {
                  var d = a[c - 1][1], e = a[c][1], f = a[c + 1][1], g = this.diff_commonSuffix(d, e);
                  if (g)var h = e.substring(e.length - g), d = d.substring(0, d.length - g), e = h + e.substring(0, e.length - g), f = h + f;
                  for (var g = d, h = e, j = f, i = b(d, e) + b(e, f); e.charAt(0) === f.charAt(0);) {
                      var d = d + e.charAt(0), e = e.substring(1) + f.charAt(0), f = f.substring(1), k = b(d, e) + b(e, f);
                      k >= i && (i = k, g = d, h = e, j = f)
                  }
                  a[c - 1][1] != g && (g ? a[c - 1][1] = g : (a.splice(c - 1, 1), c--), a[c][1] =
                      h, j ? a[c + 1][1] = j : (a.splice(c + 1, 1), c--))
              }
              c++
          }
      };
      diff_match_patch.nonAlphaNumericRegex_ = /[^a-zA-Z0-9]/;
      diff_match_patch.whitespaceRegex_ = /\s/;
      diff_match_patch.linebreakRegex_ = /[\r\n]/;
      diff_match_patch.blanklineEndRegex_ = /\n\r?\n$/;
      diff_match_patch.blanklineStartRegex_ = /^\r?\n\r?\n/;
      diff_match_patch.prototype.diff_cleanupEfficiency = function (a) {
          for (var b = !1, c = [], d = 0, e = null, f = 0, g = !1, h = !1, j = !1, i = !1; f < a.length;) {
              if (0 == a[f][0])a[f][1].length < this.Diff_EditCost && (j || i) ? (c[d++] = f, g = j, h = i, e = a[f][1]) : (d = 0, e = null), j = i = !1; else if (-1 == a[f][0] ? i = !0 : j = !0, e && (g && h && j && i || e.length < this.Diff_EditCost / 2 && 3 == g + h + j + i))a.splice(c[d - 1], 0, [-1, e]), a[c[d - 1] + 1][0] = 1, d--, e = null, g && h ? (j = i = !0, d = 0) : (d--, f = 0 < d ? c[d - 1] : -1, j = i = !1), b = !0;
              f++
          }
          b && this.diff_cleanupMerge(a)
      };
      diff_match_patch.prototype.diff_cleanupMerge = function (a) {
          a.push([0, ""]);
          for (var b = 0, c = 0, d = 0, e = "", f = "", g; b < a.length;)switch (a[b][0]) {
              case 1:
                  d++;
                  f += a[b][1];
                  b++;
                  break;
              case -1:
                  c++;
                  e += a[b][1];
                  b++;
                  break;
              case 0:
                  1 < c + d ? (0 !== c && 0 !== d && (g = this.diff_commonPrefix(f, e), 0 !== g && (0 < b - c - d && 0 == a[b - c - d - 1][0] ? a[b - c - d - 1][1] += f.substring(0, g) : (a.splice(0, 0, [0, f.substring(0, g)]), b++), f = f.substring(g), e = e.substring(g)), g = this.diff_commonSuffix(f, e), 0 !== g && (a[b][1] = f.substring(f.length - g) + a[b][1], f = f.substring(0, f.length -
                  g), e = e.substring(0, e.length - g))), 0 === c ? a.splice(b - d, c + d, [1, f]) : 0 === d ? a.splice(b - c, c + d, [-1, e]) : a.splice(b - c - d, c + d, [-1, e], [1, f]), b = b - c - d + (c ? 1 : 0) + (d ? 1 : 0) + 1) : 0 !== b && 0 == a[b - 1][0] ? (a[b - 1][1] += a[b][1], a.splice(b, 1)) : b++, c = d = 0, f = e = ""
          }
          "" === a[a.length - 1][1] && a.pop();
          c = !1;
          for (b = 1; b < a.length - 1;)0 == a[b - 1][0] && 0 == a[b + 1][0] && (a[b][1].substring(a[b][1].length - a[b - 1][1].length) == a[b - 1][1] ? (a[b][1] = a[b - 1][1] + a[b][1].substring(0, a[b][1].length - a[b - 1][1].length), a[b + 1][1] = a[b - 1][1] + a[b + 1][1], a.splice(b - 1, 1), c = !0) : a[b][1].substring(0,
              a[b + 1][1].length) == a[b + 1][1] && (a[b - 1][1] += a[b + 1][1], a[b][1] = a[b][1].substring(a[b + 1][1].length) + a[b + 1][1], a.splice(b + 1, 1), c = !0)), b++;
          c && this.diff_cleanupMerge(a)
      };
      diff_match_patch.prototype.diff_xIndex = function (a, b) {
          var c = 0, d = 0, e = 0, f = 0, g;
          for (g = 0; g < a.length; g++) {
              1 !== a[g][0] && (c += a[g][1].length);
              -1 !== a[g][0] && (d += a[g][1].length);
              if (c > b)break;
              e = c;
              f = d
          }
          return a.length != g && -1 === a[g][0] ? f : f + (b - e)
      };
      diff_match_patch.prototype.diff_prettyHtml = function (a) {
          for (var b = [], c = /&/g, d = /</g, e = />/g, f = /\n/g, g = 0; g < a.length; g++) {
              var h = a[g][0], j = a[g][1], j = j.replace(c, "&amp;").replace(d, "&lt;").replace(e, "&gt;").replace(f, "&para;<br>");
              switch (h) {
                  case 1:
                      b[g] = '<ins style="background:#e6ffe6;">' + j + "</ins>";
                      break;
                  case -1:
                      b[g] = '<del style="background:#ffe6e6;">' + j + "</del>";
                      break;
                  case 0:
                      b[g] = "<span>" + j + "</span>"
              }
          }
          return b.join("")
      };
      diff_match_patch.prototype.diff_text1 = function (a) {
          for (var b = [], c = 0; c < a.length; c++)1 !== a[c][0] && (b[c] = a[c][1]);
          return b.join("")
      };
      diff_match_patch.prototype.diff_text2 = function (a) {
          for (var b = [], c = 0; c < a.length; c++)-1 !== a[c][0] && (b[c] = a[c][1]);
          return b.join("")
      };
      diff_match_patch.prototype.diff_levenshtein = function (a) {
          for (var b = 0, c = 0, d = 0, e = 0; e < a.length; e++) {
              var f = a[e][0], g = a[e][1];
              switch (f) {
                  case 1:
                      c += g.length;
                      break;
                  case -1:
                      d += g.length;
                      break;
                  case 0:
                      b += Math.max(c, d), d = c = 0
              }
          }
          return b += Math.max(c, d)
      };
      diff_match_patch.prototype.diff_toDelta = function (a) {
          for (var b = [], c = 0; c < a.length; c++)switch (a[c][0]) {
              case 1:
                  b[c] = "+" + encodeURI(a[c][1]);
                  break;
              case -1:
                  b[c] = "-" + a[c][1].length;
                  break;
              case 0:
                  b[c] = "=" + a[c][1].length
          }
          return b.join("\t").replace(/%20/g, " ")
      };
      diff_match_patch.prototype.diff_fromDelta = function (a, b) {
          for (var c = [], d = 0, e = 0, f = b.split(/\t/g), g = 0; g < f.length; g++) {
              var h = f[g].substring(1);
              switch (f[g].charAt(0)) {
                  case "+":
                      try {
                          c[d++] = [1, decodeURI(h)]
                      } catch (j) {
                          throw Error("Illegal escape in diff_fromDelta: " + h);
                      }
                      break;
                  case "-":
                  case "=":
                      var i = parseInt(h, 10);
                      if (isNaN(i) || 0 > i)throw Error("Invalid number in diff_fromDelta: " + h);
                      h = a.substring(e, e += i);
                      "=" == f[g].charAt(0) ? c[d++] = [0, h] : c[d++] = [-1, h];
                      break;
                  default:
                      if (f[g])throw Error("Invalid diff operation in diff_fromDelta: " +
                      f[g]);
              }
          }
          if (e != a.length)throw Error("Delta length (" + e + ") does not equal source text length (" + a.length + ").");
          return c
      };
      diff_match_patch.prototype.match_main = function (a, b, c) {
          if (null == a || null == b || null == c)throw Error("Null input. (match_main)");
          c = Math.max(0, Math.min(c, a.length));
          return a == b ? 0 : a.length ? a.substring(c, c + b.length) == b ? c : this.match_bitap_(a, b, c) : -1
      };
      diff_match_patch.prototype.match_bitap_ = function (a, b, c) {
          function d(a, d) {
              var e = a / b.length, g = Math.abs(c - d);
              return !f.Match_Distance ? g ? 1 : e : e + g / f.Match_Distance
          }
  
          if (b.length > this.Match_MaxBits)throw Error("Pattern too long for this browser.");
          var e = this.match_alphabet_(b), f = this, g = this.Match_Threshold, h = a.indexOf(b, c);
          -1 != h && (g = Math.min(d(0, h), g), h = a.lastIndexOf(b, c + b.length), -1 != h && (g = Math.min(d(0, h), g)));
          for (var j = 1 << b.length - 1, h = -1, i, k, q = b.length + a.length, r, t = 0; t < b.length; t++) {
              i = 0;
              for (k = q; i < k;)d(t, c +
              k) <= g ? i = k : q = k, k = Math.floor((q - i) / 2 + i);
              q = k;
              i = Math.max(1, c - k + 1);
              var p = Math.min(c + k, a.length) + b.length;
              k = Array(p + 2);
              for (k[p + 1] = (1 << t) - 1; p >= i; p--) {
                  var w = e[a.charAt(p - 1)];
                  k[p] = 0 === t ? (k[p + 1] << 1 | 1) & w : (k[p + 1] << 1 | 1) & w | ((r[p + 1] | r[p]) << 1 | 1) | r[p + 1];
                  if (k[p] & j && (w = d(t, p - 1), w <= g))if (g = w, h = p - 1, h > c)i = Math.max(1, 2 * c - h); else break
              }
              if (d(t + 1, c) > g)break;
              r = k
          }
          return h
      };
      diff_match_patch.prototype.match_alphabet_ = function (a) {
          for (var b = {}, c = 0; c < a.length; c++)b[a.charAt(c)] = 0;
          for (c = 0; c < a.length; c++)b[a.charAt(c)] |= 1 << a.length - c - 1;
          return b
      };
      diff_match_patch.prototype.patch_addContext_ = function (a, b) {
          if (0 != b.length) {
              for (var c = b.substring(a.start2, a.start2 + a.length1), d = 0; b.indexOf(c) != b.lastIndexOf(c) && c.length < this.Match_MaxBits - this.Patch_Margin - this.Patch_Margin;)d += this.Patch_Margin, c = b.substring(a.start2 - d, a.start2 + a.length1 + d);
              d += this.Patch_Margin;
              (c = b.substring(a.start2 - d, a.start2)) && a.diffs.unshift([0, c]);
              (d = b.substring(a.start2 + a.length1, a.start2 + a.length1 + d)) && a.diffs.push([0, d]);
              a.start1 -= c.length;
              a.start2 -= c.length;
              a.length1 +=
                  c.length + d.length;
              a.length2 += c.length + d.length
          }
      };
      diff_match_patch.prototype.patch_make = function (a, b, c) {
          var d;
          if ("string" == typeof a && "string" == typeof b && "undefined" == typeof c)d = a, b = this.diff_main(d, b, !0), 2 < b.length && (this.diff_cleanupSemantic(b), this.diff_cleanupEfficiency(b)); else if (a && "object" == typeof a && "undefined" == typeof b && "undefined" == typeof c)b = a, d = this.diff_text1(b); else if ("string" == typeof a && b && "object" == typeof b && "undefined" == typeof c)d = a; else if ("string" == typeof a && "string" == typeof b && c && "object" == typeof c)d = a, b = c; else throw Error("Unknown call format to patch_make.");
          if (0 === b.length)return [];
          c = [];
          a = new diff_match_patch.patch_obj;
          for (var e = 0, f = 0, g = 0, h = d, j = 0; j < b.length; j++) {
              var i = b[j][0], k = b[j][1];
              !e && 0 !== i && (a.start1 = f, a.start2 = g);
              switch (i) {
                  case 1:
                      a.diffs[e++] = b[j];
                      a.length2 += k.length;
                      d = d.substring(0, g) + k + d.substring(g);
                      break;
                  case -1:
                      a.length1 += k.length;
                      a.diffs[e++] = b[j];
                      d = d.substring(0, g) + d.substring(g + k.length);
                      break;
                  case 0:
                      k.length <= 2 * this.Patch_Margin && e && b.length != j + 1 ? (a.diffs[e++] = b[j], a.length1 += k.length, a.length2 += k.length) : k.length >= 2 * this.Patch_Margin &&
                      e && (this.patch_addContext_(a, h), c.push(a), a = new diff_match_patch.patch_obj, e = 0, h = d, f = g)
              }
              1 !== i && (f += k.length);
              -1 !== i && (g += k.length)
          }
          e && (this.patch_addContext_(a, h), c.push(a));
          return c
      };
      diff_match_patch.prototype.patch_deepCopy = function (a) {
          for (var b = [], c = 0; c < a.length; c++) {
              var d = a[c], e = new diff_match_patch.patch_obj;
              e.diffs = [];
              for (var f = 0; f < d.diffs.length; f++)e.diffs[f] = d.diffs[f].slice();
              e.start1 = d.start1;
              e.start2 = d.start2;
              e.length1 = d.length1;
              e.length2 = d.length2;
              b[c] = e
          }
          return b
      };
      diff_match_patch.prototype.patch_apply = function (a, b) {
          if (0 == a.length)return [b, []];
          a = this.patch_deepCopy(a);
          var c = this.patch_addPadding(a);
          b = c + b + c;
          this.patch_splitMax(a);
          for (var d = 0, e = [], f = 0; f < a.length; f++) {
              var g = a[f].start2 + d, h = this.diff_text1(a[f].diffs), j, i = -1;
              if (h.length > this.Match_MaxBits) {
                  if (j = this.match_main(b, h.substring(0, this.Match_MaxBits), g), -1 != j && (i = this.match_main(b, h.substring(h.length - this.Match_MaxBits), g + h.length - this.Match_MaxBits), -1 == i || j >= i))j = -1
              } else j = this.match_main(b, h, g);
              if (-1 == j)e[f] = !1, d -= a[f].length2 - a[f].length1; else if (e[f] = !0, d = j - g, g = -1 == i ? b.substring(j, j + h.length) : b.substring(j, i + this.Match_MaxBits), h == g)b = b.substring(0, j) + this.diff_text2(a[f].diffs) + b.substring(j + h.length); else if (g = this.diff_main(h, g, !1), h.length > this.Match_MaxBits && this.diff_levenshtein(g) / h.length > this.Patch_DeleteThreshold)e[f] = !1; else {
                  this.diff_cleanupSemanticLossless(g);
                  for (var h = 0, k, i = 0; i < a[f].diffs.length; i++) {
                      var q = a[f].diffs[i];
                      0 !== q[0] && (k = this.diff_xIndex(g, h));
                      1 === q[0] ? b = b.substring(0,
                              j + k) + q[1] + b.substring(j + k) : -1 === q[0] && (b = b.substring(0, j + k) + b.substring(j + this.diff_xIndex(g, h + q[1].length)));
                      -1 !== q[0] && (h += q[1].length)
                  }
              }
          }
          b = b.substring(c.length, b.length - c.length);
          return [b, e]
      };
      diff_match_patch.prototype.patch_addPadding = function (a) {
          for (var b = this.Patch_Margin, c = "", d = 1; d <= b; d++)c += String.fromCharCode(d);
          for (d = 0; d < a.length; d++)a[d].start1 += b, a[d].start2 += b;
          var d = a[0], e = d.diffs;
          if (0 == e.length || 0 != e[0][0])e.unshift([0, c]), d.start1 -= b, d.start2 -= b, d.length1 += b, d.length2 += b; else if (b > e[0][1].length) {
              var f = b - e[0][1].length;
              e[0][1] = c.substring(e[0][1].length) + e[0][1];
              d.start1 -= f;
              d.start2 -= f;
              d.length1 += f;
              d.length2 += f
          }
          d = a[a.length - 1];
          e = d.diffs;
          0 == e.length || 0 != e[e.length - 1][0] ? (e.push([0,
              c]), d.length1 += b, d.length2 += b) : b > e[e.length - 1][1].length && (f = b - e[e.length - 1][1].length, e[e.length - 1][1] += c.substring(0, f), d.length1 += f, d.length2 += f);
          return c
      };
      diff_match_patch.prototype.patch_splitMax = function (a) {
          for (var b = this.Match_MaxBits, c = 0; c < a.length; c++)if (!(a[c].length1 <= b)) {
              var d = a[c];
              a.splice(c--, 1);
              for (var e = d.start1, f = d.start2, g = ""; 0 !== d.diffs.length;) {
                  var h = new diff_match_patch.patch_obj, j = !0;
                  h.start1 = e - g.length;
                  h.start2 = f - g.length;
                  "" !== g && (h.length1 = h.length2 = g.length, h.diffs.push([0, g]));
                  for (; 0 !== d.diffs.length && h.length1 < b - this.Patch_Margin;) {
                      var g = d.diffs[0][0], i = d.diffs[0][1];
                      1 === g ? (h.length2 += i.length, f += i.length, h.diffs.push(d.diffs.shift()),
                          j = !1) : -1 === g && 1 == h.diffs.length && 0 == h.diffs[0][0] && i.length > 2 * b ? (h.length1 += i.length, e += i.length, j = !1, h.diffs.push([g, i]), d.diffs.shift()) : (i = i.substring(0, b - h.length1 - this.Patch_Margin), h.length1 += i.length, e += i.length, 0 === g ? (h.length2 += i.length, f += i.length) : j = !1, h.diffs.push([g, i]), i == d.diffs[0][1] ? d.diffs.shift() : d.diffs[0][1] = d.diffs[0][1].substring(i.length))
                  }
                  g = this.diff_text2(h.diffs);
                  g = g.substring(g.length - this.Patch_Margin);
                  i = this.diff_text1(d.diffs).substring(0, this.Patch_Margin);
                  "" !== i &&
                  (h.length1 += i.length, h.length2 += i.length, 0 !== h.diffs.length && 0 === h.diffs[h.diffs.length - 1][0] ? h.diffs[h.diffs.length - 1][1] += i : h.diffs.push([0, i]));
                  j || a.splice(++c, 0, h)
              }
          }
      };
      diff_match_patch.prototype.patch_toText = function (a) {
          for (var b = [], c = 0; c < a.length; c++)b[c] = a[c];
          return b.join("")
      };
      diff_match_patch.prototype.patch_fromText = function (a) {
          var b = [];
          if (!a)return b;
          a = a.split("\n");
          for (var c = 0, d = /^@@ -(\d+),?(\d*) \+(\d+),?(\d*) @@$/; c < a.length;) {
              var e = a[c].match(d);
              if (!e)throw Error("Invalid patch string: " + a[c]);
              var f = new diff_match_patch.patch_obj;
              b.push(f);
              f.start1 = parseInt(e[1], 10);
              "" === e[2] ? (f.start1--, f.length1 = 1) : "0" == e[2] ? f.length1 = 0 : (f.start1--, f.length1 = parseInt(e[2], 10));
              f.start2 = parseInt(e[3], 10);
              "" === e[4] ? (f.start2--, f.length2 = 1) : "0" == e[4] ? f.length2 = 0 : (f.start2--, f.length2 =
                  parseInt(e[4], 10));
              for (c++; c < a.length;) {
                  e = a[c].charAt(0);
                  try {
                      var g = decodeURI(a[c].substring(1))
                  } catch (h) {
                      throw Error("Illegal escape in patch_fromText: " + g);
                  }
                  if ("-" == e)f.diffs.push([-1, g]); else if ("+" == e)f.diffs.push([1, g]); else if (" " == e)f.diffs.push([0, g]); else if ("@" == e)break; else if ("" !== e)throw Error('Invalid patch mode "' + e + '" in: ' + g);
                  c++
              }
          }
          return b
      };
      diff_match_patch.patch_obj = function () {
          this.diffs = [];
          this.start2 = this.start1 = null;
          this.length2 = this.length1 = 0
      };
      diff_match_patch.patch_obj.prototype.toString = function () {
          var a, b;
          a = 0 === this.length1 ? this.start1 + ",0" : 1 == this.length1 ? this.start1 + 1 : this.start1 + 1 + "," + this.length1;
          b = 0 === this.length2 ? this.start2 + ",0" : 1 == this.length2 ? this.start2 + 1 : this.start2 + 1 + "," + this.length2;
          a = ["@@ -" + a + " +" + b + " @@\n"];
          var c;
          for (b = 0; b < this.diffs.length; b++) {
              switch (this.diffs[b][0]) {
                  case 1:
                      c = "+";
                      break;
                  case -1:
                      c = "-";
                      break;
                  case 0:
                      c = " "
              }
              a[b + 1] = c + encodeURI(this.diffs[b][1]) + "\n"
          }
          return a.join("").replace(/%20/g, " ")
      };
      this.diff_match_patch = diff_match_patch;
      this.DIFF_DELETE = -1;
      this.DIFF_INSERT = 1;
      this.DIFF_EQUAL = 0;
  })()
  