CVE-2021-21306 (JavaScript, published 2021-02-08T22:15Z)
Description: value: Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0.
Severity: MEDIUM (CVSS v3 base score: 7.5)
Weakness: CWE-400 \u2014 Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Repository: https://github.com/markedjs/marked
Files changed:
lib/marked.esm.js
lib/marked.js
marked.min.js
src/Lexer.js
src/Tokenizer.js
src/rules.js
test/specs/bug/adjacent_lists.html
test/specs/bug/adjacent_lists.md
test/specs/commonmark/commonmark.0.29.json
test/specs/gfm/commonmark.0.29.json
test/specs/new/em_list_links.html
test/specs/redos/quadratic_underscores.js
Commit message: fix: Total rework of Emphasis/Strong (#1864)

BREAKING CHANGE: `em` and `strong` tokenizers have been merged into one `emStrong` tokenizer

Vulnerable code:
  strong(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.strong.start.exec(src);
    if (match && (!match[1] || (match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))))) {
      maskedSrc = maskedSrc.slice(-1 * src.length);
      const endReg = match[0] === '**' ? this.rules.inline.strong.endAst : this.rules.inline.strong.endUnd;
      let cap;
        cap = this.rules.inline.strong.middle.exec(maskedSrc.slice(0, match.index + 3));
        if (cap) {
          return {
            type: 'strong',
            raw: src.slice(0, cap[0].length),
            text: src.slice(2, cap[0].length - 2)
          };
      }
    }
  }
  em(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.em.start.exec(src);
    if (match && (!match[1] || (match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))))) {
      maskedSrc = maskedSrc.slice(-1 * src.length);
      const endReg = match[0] === '*' ? this.rules.inline.em.endAst : this.rules.inline.em.endUnd;
      endReg.lastIndex = 0;
      let cap;
      while ((match = endReg.exec(maskedSrc)) != null) {
        cap = this.rules.inline.em.middle.exec(maskedSrc.slice(0, match.index + 2));
        if (cap) {
            raw: src.slice(0, cap[0].length),
            text: src.slice(1, cap[0].length - 1)
  strong: {
    start: /^(?:(\*\*(?=[*punctuation]))|\*\*)(?![\s])|__/, // (1) returns if starts w/ punctuation
    middle: /^\*\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*\*$|^__(?![\s])((?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?)__$/,
    endAst: /[^punctuation\s]\*\*(?!\*)|[punctuation]\*\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline)
    endUnd: /[^\s]__(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)
  },
  em: {
    start: /^(?:(\*(?=[punctuation]))|\*)(?![*\s])|_/, // (1) returns if starts w/ punctuation
    middle: /^\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*$|^_(?![_\s])(?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?_$/,
    endAst: /[^punctuation\s]\*(?!\*)|[punctuation]\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline)
    endUnd: /[^\s]_(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)
  text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n)))/,
  punctuation: /^([\s*punctuation])/
// list of punctuation marks from common mark spec
// without * and _ to workaround cases with double emphasis
inline._blockSkip = '\\[[^\\]]*?\\]\\([^\\)]*?\\)|`[^`]*?`|<[^>]*?>';
inline._overlapSkip = '__[^_]*?__|\\*\\*\\[^\\*\\]*?\\*\\*';
inline.em.start = edit$1(inline.em.start)
  .replace(/punctuation/g, inline._punctuation)
inline.em.middle = edit$1(inline.em.middle)
  .replace(/punctuation/g, inline._punctuation)
  .replace(/overlapSkip/g, inline._overlapSkip)
inline.em.endAst = edit$1(inline.em.endAst, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.em.endUnd = edit$1(inline.em.endUnd, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.start = edit$1(inline.strong.start)
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.middle = edit$1(inline.strong.middle)
  .replace(/punctuation/g, inline._punctuation)
  .replace(/overlapSkip/g, inline._overlapSkip)
  .getRegex();

inline.strong.endAst = edit$1(inline.strong.endAst, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.endUnd = edit$1(inline.strong.endUnd, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.blockSkip = edit$1(inline._blockSkip, 'g')
  .getRegex();

inline.overlapSkip = edit$1(inline._overlapSkip, 'g')
  text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
      // strong
      if (token = this.tokenizer.strong(src, maskedSrc, prevChar)) {
        src = src.substring(token.raw.length);
        token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
        tokens.push(token);
        continue;
      }

      // em
      if (token = this.tokenizer.em(src, maskedSrc, prevChar)) {
        prevChar = token.raw.slice(-1);
    _proto.strong = function strong(src, maskedSrc, prevChar) {
      var match = this.rules.inline.strong.start.exec(src);
      if (match && (!match[1] || match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) {
        maskedSrc = maskedSrc.slice(-1 * src.length);
        var endReg = match[0] === '**' ? this.rules.inline.strong.endAst : this.rules.inline.strong.endUnd;
        var cap;
          cap = this.rules.inline.strong.middle.exec(maskedSrc.slice(0, match.index + 3));

          if (cap) {
            return {
              type: 'strong',
              raw: src.slice(0, cap[0].length),
              text: src.slice(2, cap[0].length - 2)
            };
        }
      }
    };
    _proto.em = function em(src, maskedSrc, prevChar) {
      if (prevChar === void 0) {
        prevChar = '';
      }

      var match = this.rules.inline.em.start.exec(src);

      if (match && (!match[1] || match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) {
        maskedSrc = maskedSrc.slice(-1 * src.length);
        var endReg = match[0] === '*' ? this.rules.inline.em.endAst : this.rules.inline.em.endUnd;
        endReg.lastIndex = 0;
        var cap;
        while ((match = endReg.exec(maskedSrc)) != null) {
          cap = this.rules.inline.em.middle.exec(maskedSrc.slice(0, match.index + 2));
          if (cap) {
              raw: src.slice(0, cap[0].length),
              text: src.slice(1, cap[0].length - 1)
    strong: {
      start: /^(?:(\*\*(?=[*punctuation]))|\*\*)(?![\s])|__/,
      // (1) returns if starts w/ punctuation
      middle: /^\*\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*\*$|^__(?![\s])((?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?)__$/,
      endAst: /[^punctuation\s]\*\*(?!\*)|[punctuation]\*\*(?!\*)(?:(?=[punctuation_\s]|$))/,
      // last char can't be punct, or final * must also be followed by punct (or endline)
      endUnd: /[^\s]__(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)

    },
    em: {
      start: /^(?:(\*(?=[punctuation]))|\*)(?![*\s])|_/,
      // (1) returns if starts w/ punctuation
      middle: /^\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*$|^_(?![_\s])(?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?_$/,
      endAst: /[^punctuation\s]\*(?!\*)|[punctuation]\*(?!\*)(?:(?=[punctuation_\s]|$))/,
      // last char can't be punct, or final * must also be followed by punct (or endline)
      endUnd: /[^\s]_(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)
    text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n)))/,
    punctuation: /^([\s*punctuation])/
  }; // list of punctuation marks from common mark spec
  // without * and _ to workaround cases with double emphasis
  inline._blockSkip = '\\[[^\\]]*?\\]\\([^\\)]*?\\)|`[^`]*?`|<[^>]*?>';
  inline._overlapSkip = '__[^_]*?__|\\*\\*\\[^\\*\\]*?\\*\\*';
  inline.em.start = edit$1(inline.em.start).replace(/punctuation/g, inline._punctuation).getRegex();
  inline.em.middle = edit$1(inline.em.middle).replace(/punctuation/g, inline._punctuation).replace(/overlapSkip/g, inline._overlapSkip).getRegex();
  inline.em.endAst = edit$1(inline.em.endAst, 'g').replace(/punctuation/g, inline._punctuation).getRegex();
  inline.em.endUnd = edit$1(inline.em.endUnd, 'g').replace(/punctuation/g, inline._punctuation).getRegex();
  inline.strong.start = edit$1(inline.strong.start).replace(/punctuation/g, inline._punctuation).getRegex();
  inline.strong.middle = edit$1(inline.strong.middle).replace(/punctuation/g, inline._punctuation).replace(/overlapSkip/g, inline._overlapSkip).getRegex();
  inline.strong.endAst = edit$1(inline.strong.endAst, 'g').replace(/punctuation/g, inline._punctuation).getRegex();
  inline.strong.endUnd = edit$1(inline.strong.endUnd, 'g').replace(/punctuation/g, inline._punctuation).getRegex();
  inline.blockSkip = edit$1(inline._blockSkip, 'g').getRegex();
  inline.overlapSkip = edit$1(inline._overlapSkip, 'g').getRegex();
    text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
        } // strong
        if (token = this.tokenizer.strong(src, maskedSrc, prevChar)) {
          src = src.substring(token.raw.length);
          token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
          tokens.push(token);
          continue;
        } // em


        if (token = this.tokenizer.em(src, maskedSrc, prevChar)) {
          prevChar = token.raw.slice(-1);
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if(r=this.tokenizer.heading(e))e=e.substring(r.raw.length),t.push(r);else if(r=this.tokenizer.nptable(e))e=e.substring(r.raw.length),t.push(r);else if(r=this.tokenizer.hr(e))e=e.substring(r.raw.length),t.push(r);else if(r=this.tokenizer.blockquote(e))e=e.substring(r.raw.length),r.tokens=this.blockTokens(r.text,[],n),t.push(r);else if(r=this.tokenizer.list(e)){for(e=e.substring(r.raw.length),s=r.items.length,i=0;i<s;i++)r.items[i].tokens=this.blockTokens(r.items[i].text,[],!1);t.push(r)}else if(r=this.tokenizer.html(e))e=e.substring(r.raw.length),t.push(r);else if(n&&(r=this.tokenizer.def(e)))e=e.substring(r.raw.length),this.tokens.links[r.tag]||(this.tokens.links[r.tag]={href:r.href,title:r.title});else if(r=this.tokenizer.table(e))e=e.substring(r.raw.length),t.push(r);else if(r=this.tokenizer.lheading(e))e=e.substring(r.raw.length),t.push(r);else if(n&&(r=this.tokenizer.paragraph(e)))e=e.substring(r.raw.length),t.push(r);else if(r=this.tokenizer.text(e,t))e=e.substring(r.raw.length),r.type?t.push(r):((l=t[t.length-1]).raw+="\n"+r.raw,l.text+="\n"+r.text);else if(e){var a="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(a);break}throw new Error(a)}return t},r.inline=function(e){for(var t,n,r,i,s,l=e.length,a=0;a<l;a++)switch((s=e[a]).type){case"paragraph":case"text":case"heading":s.tokens=[],this.inlineTokens(s.text,s.tokens);break;case"table":for(s.tokens={header:[],cells:[]},r=s.header.length,t=0;t<r;t++)s.tokens.header[t]=[],this.inlineTokens(s.header[t],s.tokens.header[t]);for(r=s.cells.length,t=0;t<r;t++)for(i=s.cells[t],s.tokens.cells[t]=[],n=0;n<i.length;n++)s.tokens.cells[t][n]=[],this.inlineTokens(i[n],s.tokens.cells[t][n]);break;case"blockquote":this.inline(s.tokens);break;case"list":for(r=s.items.length,t=0;t<r;t++)this.inline(s.items[t].tokens)}return e},r.inlineTokens=function(e,t,n,r){var i;void 0===t&&(t=[]),void 0===n&&(n=!1),void 0===r&&(r=!1);var s,l,a,o=e;if(this.tokens.links){var c=Object.keys(this.tokens.links);if(0<c.length)for(;null!=(s=this.tokenizer.rules.inline.reflinkSearch.exec(o));)c.includes(s[0].slice(s[0].lastIndexOf("[")+1,-1))&&(o=o.slice(0,s.index)+"["+B("a",s[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(s=this.tokenizer.rules.inline.blockSkip.exec(o));)o=o.slice(0,s.index)+"["+B("a",s[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;e;)if(l||(a=""),l=!1,i=this.tokenizer.escape(e))e=e.substring(i.raw.length),t.push(i);else if(i=this.tokenizer.tag(e,n,r))e=e.substring(i.raw.length),n=i.inLink,r=i.inRawBlock,t.push(i);else if(i=this.tokenizer.link(e))e=e.substring(i.raw.length),"link"===i.type&&(i.tokens=this.inlineTokens(i.text,[],!0,r)),t.push(i);else if(i=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(i.raw.length),"link"===i.type&&(i.tokens=this.inlineTokens(i.text,[],!0,r)),t.push(i);else if(i=this.tokenizer.strong(e,o,a))e=e.substring(i.raw.length),i.tokens=this.inlineTokens(i.text,[],n,r),t.push(i);else if(i=this.tokenizer.em(e,o,a))e=e.substring(i.raw.length),i.tokens=this.inlineTokens(i.text,[],n,r),t.push(i);else if(i=this.tokenizer.codespan(e))e=e.substring(i.raw.length),t.push(i);else if(i=this.tokenizer.br(e))e=e.substring(i.raw.length),t.push(i);else if(i=this.tokenizer.del(e))e=e.substring(i.raw.length),i.tokens=this.inlineTokens(i.text,[],n,r),t.push(i);else if(i=this.tokenizer.autolink(e,M))e=e.substring(i.raw.length),t.push(i);else if(n||!(i=this.tokenizer.url(e,M))){if(i=this.tokenizer.inlineText(e,r,F))e=e.substring(i.raw.length),a=i.raw.slice(-1),l=!0,t.push(i);else if(e){var u="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(u);break}throw new Error(u)}}else e=e.substring(i.raw.length),t.push(i);return t},e=n,t=[{key:"rules",get:function(){return{block:D,inline:N}}}],(r=null)&&i(e.prototype,r),t&&i(e,t),n}(),G=t.defaults,V=$,H=_,J=function(){function e(e){this.options=e||G}var t=e.prototype;return t.code=function(e,t,n){var r=(t||"").match(/\S*/)[0];return!this.options.highlight||null!=(t=this.options.highlight(e,r))&&t!==e&&(n=!0,e=t),e=e.replace(/\n$/,"")+"\n",r?'<pre><code class="'+this.options.langPrefix+H(r,!0)+'">'+(n?e:H(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:H(e,!0))+"</code></pre>\n"},t.blockquote=function(e){return"<blockquote>\n"+e+"</blockquote>\n"},t.html=function(e){return e},t.heading=function(e,t,n,r){return this.options.headerIds?"<h"+t+' id="'+this.options.headerPrefix+r.slug(n)+'">'+e+"</h"+t+">\n":"<h"+t+">"+e+"</h"+t+">\n"},t.hr=function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"},t.list=function(e,t,n){var r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"},t.listitem=function(e){return"<li>"+e+"</li>\n"},t.checkbox=function(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "},t.paragraph=function(e){return"<p>"+e+"</p>\n"},t.table=function(e,t){return"<table>\n<thead>\n"+e+"</thead>\n"+(t=t&&"<tbody>"+t+"</tbody>")+"</table>\n"},t.tablerow=function(e){return"<tr>\n"+e+"</tr>\n"},t.tablecell=function(e,t){var n=t.header?"th":"td";return(t.align?"<"+n+' align="'+t.align+'">':"<"+n+">")+e+"</"+n+">\n"},t.strong=function(e){return"<strong>"+e+"</strong>"},t.em=function(e){return"<em>"+e+"</em>"},t.codespan=function(e){return"<code>"+e+"</code>"},t.br=function(){return this.options.xhtml?"<br/>":"<br>"},t.del=function(e){return"<del>"+e+"</del>"},t.link=function(e,t,n){if(null===(e=V(this.options.sanitize,this.options.baseUrl,e)))return n;e='<a href="'+H(e)+'"';return t&&(e+=' title="'+t+'"'),e+=">"+n+"</a>"},t.image=function(e,t,n){if(null===(e=V(this.options.sanitize,this.options.baseUrl,e)))return n;n='<img src="'+e+'" alt="'+n+'"';return t&&(n+=' title="'+t+'"'),n+=this.options.xhtml?"/>":">"},t.text=function(e){return e},e}(),K=function(){function e(){}var t=e.prototype;return t.strong=function(e){return e},t.em=function(e){return e},t.codespan=function(e){return e},t.del=function(e){return e},t.html=function(e){return e},t.text=function(e){return e},t.link=function(e,t,n){return""+n},t.image=function(e,t,n){return""+n},t.br=function(){return""},e}(),Q=function(){function e(){this.seen={}}var t=e.prototype;return t.serialize=function(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")},t.getNextSafeSlug=function(e,t){var n=e,r=0;if(this.seen.hasOwnProperty(n))for(r=this.seen[e];n=e+"-"+ ++r,this.seen.hasOwnProperty(n););return t||(this.seen[e]=r,this.seen[n]=0),n},t.slug=function(e,t){void 0===t&&(t={});var n=this.serialize(e);return this.getNextSafeSlug(n,t.dryrun)},e}(),W=t.defaults,Y=y,ee=function(){function n(e){this.options=e||W,this.options.renderer=this.options.renderer||new J,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new K,this.slugger=new Q}n.parse=function(e,t){return new n(t).parse(e)},n.parseInline=function(e,t){return new n(t).parseInline(e)};var e=n.prototype;return e.parse=function(e,t){void 0===t&&(t=!0);for(var n,r,i,s,l,a,o,c,u,p,h,g,f,d,k,b="",m=e.length,x=0;x<m;x++)switch((c=e[x]).type){case"space":continue;case"hr":b+=this.renderer.hr();continue;case"heading":b+=this.renderer.heading(this.parseInline(c.tokens),c.depth,Y(this.parseInline(c.tokens,this.textRenderer)),this.slugger);continue;case"code":b+=this.renderer.code(c.text,c.lang,c.escaped);continue;case"table":for(a=u="",i=c.header.length,n=0;n<i;n++)a+=this.renderer.tablecell(this.parseInline(c.tokens.header[n]),{header:!0,align:c.align[n]});for(u+=this.renderer.tablerow(a),o="",i=c.cells.length,n=0;n<i;n++){for(a="",s=(l=c.tokens.cells[n]).length,r=0;r<s;r++)a+=this.renderer.tablecell(this.parseInline(l[r]),{header:!1,align:c.align[r]});o+=this.renderer.tablerow(a)}b+=this.renderer.table(u,o);continue;case"blockquote":o=this.parse(c.tokens),b+=this.renderer.blockquote(o);continue;case"list":for(u=c.ordered,w=c.start,p=c.loose,i=c.items.length,o="",n=0;n<i;n++)f=(g=c.items[n]).checked,d=g.task,h="",g.task&&(k=this.renderer.checkbox(f),p?0<g.tokens.length&&"text"===g.tokens[0].type?(g.tokens[0].text=k+" "+g.tokens[0].text,g.tokens[0].tokens&&0<g.tokens[0].tokens.length&&"text"===g.tokens[0].tokens[0].type&&(g.tokens[0].tokens[0].text=k+" "+g.tokens[0].tokens[0].text)):g.tokens.unshift({type:"text",text:k}):h+=k),h+=this.parse(g.tokens,p),o+=this.renderer.listitem(h,d,f);b+=this.renderer.list(o,u,w);continue;case"html":b+=this.renderer.html(c.text);continue;case"paragraph":b+=this.renderer.paragraph(this.parseInline(c.tokens));continue;case"text":for(o=c.tokens?this.parseInline(c.tokens):c.text;x+1<m&&"text"===e[x+1].type;)o+="\n"+((c=e[++x]).tokens?this.parseInline(c.tokens):c.text);b+=t?this.renderer.paragraph(o):o;continue;default:var w='Token with "'+c.type+'" type was not found.';if(this.options.silent)return void console.error(w);throw new Error(w)}return b},e.parseInline=function(e,t){t=t||this.renderer;for(var n,r="",i=e.length,s=0;s<i;s++)switch((n=e[s]).type){case"escape":r+=t.text(n.text);break;case"html":r+=t.html(n.text);break;case"link":r+=t.link(n.href,n.title,this.parseInline(n.tokens,t));break;case"image":r+=t.image(n.href,n.title,n.text);break;case"strong":r+=t.strong(this.parseInline(n.tokens,t));break;case"em":r+=t.em(this.parseInline(n.tokens,t));break;case"codespan":r+=t.codespan(n.text);break;case"br":r+=t.br();break;case"del":r+=t.del(this.parseInline(n.tokens,t));break;case"text":r+=t.text(n.text);break;default:var l='Token with "'+n.type+'" type was not found.';if(this.options.silent)return void console.error(l);throw new Error(l)}return r},n}(),te=A,ne=I,re=_,_=t.getDefaults,ie=t.changeDefaults,t=t.defaults;function se(e,n,r){if(null==e)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");if("function"==typeof n&&(r=n,n=null),n=te({},se.defaults,n||{}),ne(n),r){var i,s=n.highlight;try{i=X.lex(e,n)}catch(e){return r(e)}var l=function(t){var e;if(!t)try{e=ee.parse(i,n)}catch(e){t=e}return n.highlight=s,t?r(t):r(null,e)};if(!s||s.length<3)return l();if(delete n.highlight,!i.length)return l();var a=0;return se.walkTokens(i,function(n){"code"===n.type&&(a++,setTimeout(function(){s(n.text,n.lang,function(e,t){return e?l(e):(null!=t&&t!==n.text&&(n.text=t,n.escaped=!0),void(0===--a&&l()))})},0))}),void(0===a&&l())}try{var t=X.lex(e,n);return n.walkTokens&&se.walkTokens(t,n.walkTokens),ee.parse(t,n)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",n.silent)return"<p>An error occurred:</p><pre>"+re(e.message+"",!0)+"</pre>";throw e}}return se.options=se.setOptions=function(e){return te(se.defaults,e),ie(se.defaults),se},se.getDefaults=_,se.defaults=t,se.use=function(a){var t,n=te({},a);a.renderer&&function(){var e,l=se.defaults.renderer||new J;for(e in a.renderer)!function(i){var s=l[i];l[i]=function(){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];var r=a.renderer[i].apply(l,t);return r=!1===r?s.apply(l,t):r}}(e);n.renderer=l}(),a.tokenizer&&function(){var e,l=se.defaults.tokenizer||new P;for(e in a.tokenizer)!function(i){var s=l[i];l[i]=function(){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];var r=a.tokenizer[i].apply(l,t);return r=!1===r?s.apply(l,t):r}}(e);n.tokenizer=l}(),a.walkTokens&&(t=se.defaults.walkTokens,n.walkTokens=function(e){a.walkTokens(e),t&&t(e)}),se.setOptions(n)},se.walkTokens=function(e,t){for(var n,r=p(e);!(n=r()).done;){var i=n.value;switch(t(i),i.type){case"table":for(var s=p(i.tokens.header);!(l=s()).done;){var l=l.value;se.walkTokens(l,t)}for(var a,o=p(i.tokens.cells);!(a=o()).done;)for(var c=p(a.value);!(u=c()).done;){var u=u.value;se.walkTokens(u,t)}break;case"list":se.walkTokens(i.items,t);break;default:i.tokens&&se.walkTokens(i.tokens,t)}}},se.parseInline=function(e,t){if(null==e)throw new Error("marked.parseInline(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked.parseInline(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");t=te({},se.defaults,t||{}),ne(t);try{var n=X.lexInline(e,t);return t.walkTokens&&se.walkTokens(n,t.walkTokens),ee.parseInline(n,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+re(e.message+"",!0)+"</pre>";throw e}},se.Parser=ee,se.parser=ee.parse,se.Renderer=J,se.TextRenderer=K,se.Lexer=X,se.lexer=X.lex,se.Tokenizer=P,se.Slugger=Q,se.parse=se});
      // strong
      if (token = this.tokenizer.strong(src, maskedSrc, prevChar)) {
        src = src.substring(token.raw.length);
        token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
        tokens.push(token);
        continue;
      }

      // em
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  strong(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.strong.start.exec(src);
    if (match && (!match[1] || (match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))))) {
      maskedSrc = maskedSrc.slice(-1 * src.length);
      const endReg = match[0] === '**' ? this.rules.inline.strong.endAst : this.rules.inline.strong.endUnd;
      let cap;
        cap = this.rules.inline.strong.middle.exec(maskedSrc.slice(0, match.index + 3));
        if (cap) {
          return {
            type: 'strong',
            raw: src.slice(0, cap[0].length),
            text: src.slice(2, cap[0].length - 2)
          };
      }
    }
  }
  em(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.em.start.exec(src);
    if (match && (!match[1] || (match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar))))) {
      maskedSrc = maskedSrc.slice(-1 * src.length);
      const endReg = match[0] === '*' ? this.rules.inline.em.endAst : this.rules.inline.em.endUnd;
      endReg.lastIndex = 0;
      let cap;
      while ((match = endReg.exec(maskedSrc)) != null) {
        cap = this.rules.inline.em.middle.exec(maskedSrc.slice(0, match.index + 2));
        if (cap) {
            raw: src.slice(0, cap[0].length),
            text: src.slice(1, cap[0].length - 1)
  strong: {
    start: /^(?:(\*\*(?=[*punctuation]))|\*\*)(?![\s])|__/, // (1) returns if starts w/ punctuation
    middle: /^\*\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*\*$|^__(?![\s])((?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?)__$/,
    endAst: /[^punctuation\s]\*\*(?!\*)|[punctuation]\*\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline)
    endUnd: /[^\s]__(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)
  },
  em: {
    start: /^(?:(\*(?=[punctuation]))|\*)(?![*\s])|_/, // (1) returns if starts w/ punctuation
    middle: /^\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*$|^_(?![_\s])(?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?_$/,
    endAst: /[^punctuation\s]\*(?!\*)|[punctuation]\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline)
    endUnd: /[^\s]_(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline)
  text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n)))/,
  punctuation: /^([\s*punctuation])/
// list of punctuation marks from common mark spec
// without * and _ to workaround cases with double emphasis
inline._blockSkip = '\\[[^\\]]*?\\]\\([^\\)]*?\\)|`[^`]*?`|<[^>]*?>';
inline._overlapSkip = '__[^_]*?__|\\*\\*\\[^\\*\\]*?\\*\\*';
inline.em.start = edit(inline.em.start)
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.em.middle = edit(inline.em.middle)
  .replace(/punctuation/g, inline._punctuation)
  .replace(/overlapSkip/g, inline._overlapSkip)
  .getRegex();

inline.em.endAst = edit(inline.em.endAst, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.em.endUnd = edit(inline.em.endUnd, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.start = edit(inline.strong.start)
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.middle = edit(inline.strong.middle)
  .replace(/punctuation/g, inline._punctuation)
  .replace(/overlapSkip/g, inline._overlapSkip)
  .getRegex();

inline.strong.endAst = edit(inline.strong.endAst, 'g')
  .replace(/punctuation/g, inline._punctuation)
  .getRegex();

inline.strong.endUnd = edit(inline.strong.endUnd, 'g')
  .replace(/punctuation/g, inline._punctuation)
inline.blockSkip = edit(inline._blockSkip, 'g')
inline.overlapSkip = edit(inline._overlapSkip, 'g')
  text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
    "section": "Emphasis and strong emphasis",
    "shouldFail": true
<li><a href="https://www.google.com"><strong><em>named link</em></strong></a></li>
<li><strong><em><a href="https://www.google.com">named link</a></em></strong></li>
<li><a href="https://www.google.com"><strong><em>named link</em></strong></a></li>
<li><strong><em><a href="https://www.google.com">named link</a></em></strong></li>
<li><a href="https://www.google.com"><strong><em><code>named link</code></em></strong></a></li>
<li><strong><em><a href="https://www.google.com"><code>named link</code></a></em></strong></li>
<li><a href="https://www.google.com"><strong><em><code>named link</code></em></strong></a></li>
<li><strong><em><a href="https://www.google.com"><code>named link</code></a></em></strong></li>

<p><strong><em>This is strong and em.</em></strong></p>

<p>So is <strong><em>this</em></strong> word.</p>

<p><strong><em>This is strong and em.</em></strong></p>

<p>So is <strong><em>this</em></strong> word.</p>
***This is strong and em.***

So is ***this*** word.

___This is strong and em.___

So is ___this___ word.

Fixed code:
  emStrong(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.emStrong.lDelim.exec(src);
    if (!match) return;
    if (match[3] && prevChar.match(/[\p{L}\p{N}]/u)) return; // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well
    const nextChar = match[1] || match[2] || '';

    if (!nextChar || (nextChar && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) {
      const lLength = match[0].length - 1;
      let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0;

      const endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd;
      maskedSrc = maskedSrc.slice(-1 * src.length + lLength); // Bump maskedSrc to same section of string as src (move to lexer?)

        rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];

        if (!rDelim) continue; // matched the first alternative in rules.js (skip the * 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
        // If this is the last rDelimiter, remove extra characters. *a*** -> *a*
        if (delimTotal + midDelimTotal - rLength <= 0 && !maskedSrc.slice(endReg.lastIndex).match(endReg)) {
          rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal);
        }
        if (Math.min(lLength, rLength) % 2) {
            raw: src.slice(0, lLength + match.index + rLength + 1),
            text: src.slice(1, lLength + match.index + rLength)
          };
        }
        if (Math.min(lLength, rLength) % 2 === 0) {
          return {
            type: 'strong',
            raw: src.slice(0, lLength + match.index + rLength + 1),
            text: src.slice(2, lLength + match.index + rLength - 1)
  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 other delimiter (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 _
  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.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
inline.escapedEmSt = /\\\*|\\_/g;
inline.emStrong.lDelim = edit$1(inline.emStrong.lDelim)
  .replace(/punct/g, inline._punctuation)
inline.emStrong.rDelimAst = edit$1(inline.emStrong.rDelimAst, 'g')
  .replace(/punct/g, inline._punctuation)
inline.emStrong.rDelimUnd = edit$1(inline.emStrong.rDelimUnd, 'g')
  .replace(/punct/g, inline._punctuation)
  text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
    // 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);
    }


      // em & strong
      if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
        if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started
          prevChar = token.raw.slice(-1);
        }
    _proto.emStrong = function emStrong(src, maskedSrc, prevChar) {
      var match = this.rules.inline.emStrong.lDelim.exec(src);
      if (!match) return;
      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\u08A0-\u08B4\u08B6-\u08C7\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\u0C60\u0C61\u0C66-\u0C6F\u0C78-\u0C7E\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\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-\u170C\u170E-\u1711\u1720-\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-\u1B4B\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-\u2C2E\u2C30-\u2C5E\u2C60-\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-\u9FFC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7BF\uA7C2-\uA7CA\uA7F5-\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\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\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\uDFB0-\uDFCB\uDFE0-\uDFF6]|\uD804[\uDC03-\uDC37\uDC52-\uDC6F\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]|\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\uDEC0-\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]|[\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\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]|\uD82C[\uDC00-\uDD1E\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]|\uD838[\uDD00-\uDD2C\uDD37-\uDD3D\uDD40-\uDD49\uDD4E\uDEC0-\uDEEB\uDEF0-\uDEF9]|\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-\uDEDD\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A])/)) return; // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well
      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;
        maskedSrc = maskedSrc.slice(-1 * src.length + lLength); // Bump maskedSrc to same section of string as src (move to lexer?)
          rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];
          if (!rDelim) continue; // matched the first alternative in rules.js (skip the * 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
          // If this is the last rDelimiter, remove extra characters. *a*** -> *a*
          if (delimTotal + midDelimTotal - rLength <= 0 && !maskedSrc.slice(endReg.lastIndex).match(endReg)) {
            rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal);
          }
          if (Math.min(lLength, rLength) % 2) {
              raw: src.slice(0, lLength + match.index + rLength + 1),
              text: src.slice(1, lLength + match.index + rLength)
            };
          }

          if (Math.min(lLength, rLength) % 2 === 0) {
            return {
              type: 'strong',
              raw: src.slice(0, lLength + match.index + rLength + 1),
              text: src.slice(2, lLength + match.index + rLength - 1)
    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 other delimiter (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 _
    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.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
  inline.escapedEmSt = /\\\*|\\_/g;
  inline.emStrong.lDelim = edit$1(inline.emStrong.lDelim).replace(/punct/g, inline._punctuation).getRegex();
  inline.emStrong.rDelimAst = edit$1(inline.emStrong.rDelimAst, 'g').replace(/punct/g, inline._punctuation).getRegex();
  inline.emStrong.rDelimUnd = edit$1(inline.emStrong.rDelimUnd, 'g').replace(/punct/g, inline._punctuation).getRegex();
    text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
      } // 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);
        } // em & strong
        if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {

          if (token.raw.slice(-1) !== '_') {
            // Track prevChar before string of ____ started
            prevChar = token.raw.slice(-1);
          }

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start="'+t+'"':"")+">\n"+e+"</"+n+">\n"},u.listitem=function(e){return"<li>"+e+"</li>\n"},u.checkbox=function(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "},u.paragraph=function(e){return"<p>"+e+"</p>\n"},u.table=function(e,u){return"<table>\n<thead>\n"+e+"</thead>\n"+(u=u&&"<tbody>"+u+"</tbody>")+"</table>\n"},u.tablerow=function(e){return"<tr>\n"+e+"</tr>\n"},u.tablecell=function(e,u){var t=u.header?"th":"td";return(u.align?"<"+t+' align="'+u.align+'">':"<"+t+">")+e+"</"+t+">\n"},u.strong=function(e){return"<strong>"+e+"</strong>"},u.em=function(e){return"<em>"+e+"</em>"},u.codespan=function(e){return"<code>"+e+"</code>"},u.br=function(){return this.options.xhtml?"<br/>":"<br>"},u.del=function(e){return"<del>"+e+"</del>"},u.link=function(e,u,t){if(null===(e=V(this.options.sanitize,this.options.baseUrl,e)))return t;e='<a href="'+H(e)+'"';return u&&(e+=' title="'+u+'"'),e+=">"+t+"</a>"},u.image=function(e,u,t){if(null===(e=V(this.options.sanitize,this.options.baseUrl,e)))return t;t='<img src="'+e+'" alt="'+t+'"';return u&&(t+=' title="'+u+'"'),t+=this.options.xhtml?"/>":">"},u.text=function(e){return e},e}(),K=function(){function e(){}var u=e.prototype;return u.strong=function(e){return e},u.em=function(e){return e},u.codespan=function(e){return e},u.del=function(e){return e},u.html=function(e){return e},u.text=function(e){return e},u.link=function(e,u,t){return""+t},u.image=function(e,u,t){return""+t},u.br=function(){return""},e}(),Q=function(){function e(){this.seen={}}var u=e.prototype;return u.serialize=function(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")},u.getNextSafeSlug=function(e,u){var t=e,n=0;if(this.seen.hasOwnProperty(t))for(n=this.seen[e];t=e+"-"+ ++n,this.seen.hasOwnProperty(t););return u||(this.seen[e]=n,this.seen[t]=0),t},u.slug=function(e,u){void 0===u&&(u={});var t=this.serialize(e);return this.getNextSafeSlug(t,u.dryrun)},e}(),W=u.defaults,Y=b,ee=function(){function t(e){this.options=e||W,this.options.renderer=this.options.renderer||new J,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new K,this.slugger=new Q}t.parse=function(e,u){return new t(u).parse(e)},t.parseInline=function(e,u){return new t(u).parseInline(e)};var e=t.prototype;return e.parse=function(e,u){void 0===u&&(u=!0);for(var t,n,r,i,s,l,a,D,o,c,h,p,g,f,F,A="",C=e.length,d=0;d<C;d++)switch((D=e[d]).type){case"space":continue;case"hr":A+=this.renderer.hr();continue;case"heading":A+=this.renderer.heading(this.parseInline(D.tokens),D.depth,Y(this.parseInline(D.tokens,this.textRenderer)),this.slugger);continue;case"code":A+=this.renderer.code(D.text,D.lang,D.escaped);continue;case"table":for(l=o="",r=D.header.length,t=0;t<r;t++)l+=this.renderer.tablecell(this.parseInline(D.tokens.header[t]),{header:!0,align:D.align[t]});for(o+=this.renderer.tablerow(l),a="",r=D.cells.length,t=0;t<r;t++){for(l="",i=(s=D.tokens.cells[t]).length,n=0;n<i;n++)l+=this.renderer.tablecell(this.parseInline(s[n]),{header:!1,align:D.align[n]});a+=this.renderer.tablerow(l)}A+=this.renderer.table(o,a);continue;case"blockquote":a=this.parse(D.tokens),A+=this.renderer.blockquote(a);continue;case"list":for(o=D.ordered,E=D.start,c=D.loose,r=D.items.length,a="",t=0;t<r;t++)g=(p=D.items[t]).checked,f=p.task,h="",p.task&&(F=this.renderer.checkbox(g),c?0<p.tokens.length&&"text"===p.tokens[0].type?(p.tokens[0].text=F+" "+p.tokens[0].text,p.tokens[0].tokens&&0<p.tokens[0].tokens.length&&"text"===p.tokens[0].tokens[0].type&&(p.tokens[0].tokens[0].text=F+" "+p.tokens[0].tokens[0].text)):p.tokens.unshift({type:"text",text:F}):h+=F),h+=this.parse(p.tokens,c),a+=this.renderer.listitem(h,f,g);A+=this.renderer.list(a,o,E);continue;case"html":A+=this.renderer.html(D.text);continue;case"paragraph":A+=this.renderer.paragraph(this.parseInline(D.tokens));continue;case"text":for(a=D.tokens?this.parseInline(D.tokens):D.text;d+1<C&&"text"===e[d+1].type;)a+="\n"+((D=e[++d]).tokens?this.parseInline(D.tokens):D.text);A+=u?this.renderer.paragraph(a):a;continue;default:var E='Token with "'+D.type+'" type was not found.';if(this.options.silent)return void console.error(E);throw new Error(E)}return A},e.parseInline=function(e,u){u=u||this.renderer;for(var t,n="",r=e.length,i=0;i<r;i++)switch((t=e[i]).type){case"escape":n+=u.text(t.text);break;case"html":n+=u.html(t.text);break;case"link":n+=u.link(t.href,t.title,this.parseInline(t.tokens,u));break;case"image":n+=u.image(t.href,t.title,t.text);break;case"strong":n+=u.strong(this.parseInline(t.tokens,u));break;case"em":n+=u.em(this.parseInline(t.tokens,u));break;case"codespan":n+=u.codespan(t.text);break;case"br":n+=u.br();break;case"del":n+=u.del(this.parseInline(t.tokens,u));break;case"text":n+=u.text(t.text);break;default:var s='Token with "'+t.type+'" type was not found.';if(this.options.silent)return void console.error(s);throw new Error(s)}return n},t}(),ue=v,te=z,ne=m,m=u.getDefaults,re=u.changeDefaults,u=u.defaults;function ie(e,t,n){if(null==e)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");if("function"==typeof t&&(n=t,t=null),t=ue({},ie.defaults,t||{}),te(t),n){var r,i=t.highlight;try{r=X.lex(e,t)}catch(e){return n(e)}var s=function(u){var e;if(!u)try{e=ee.parse(r,t)}catch(e){u=e}return t.highlight=i,u?n(u):n(null,e)};if(!i||i.length<3)return s();if(delete t.highlight,!r.length)return s();var l=0;return ie.walkTokens(r,function(t){"code"===t.type&&(l++,setTimeout(function(){i(t.text,t.lang,function(e,u){return e?s(e):(null!=u&&u!==t.text&&(t.text=u,t.escaped=!0),void(0===--l&&s()))})},0))}),void(0===l&&s())}try{var u=X.lex(e,t);return t.walkTokens&&ie.walkTokens(u,t.walkTokens),ee.parse(u,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+ne(e.message+"",!0)+"</pre>";throw e}}return ie.options=ie.setOptions=function(e){return ue(ie.defaults,e),re(ie.defaults),ie},ie.getDefaults=m,ie.defaults=u,ie.use=function(l){var u,t=ue({},l);l.renderer&&function(){var e,s=ie.defaults.renderer||new J;for(e in l.renderer)!function(r){var i=s[r];s[r]=function(){for(var e=arguments.length,u=new Array(e),t=0;t<e;t++)u[t]=arguments[t];var n=l.renderer[r].apply(s,u);return n=!1===n?i.apply(s,u):n}}(e);t.renderer=s}(),l.tokenizer&&function(){var e,s=ie.defaults.tokenizer||new O;for(e in l.tokenizer)!function(r){var i=s[r];s[r]=function(){for(var e=arguments.length,u=new Array(e),t=0;t<e;t++)u[t]=arguments[t];var n=l.tokenizer[r].apply(s,u);return n=!1===n?i.apply(s,u):n}}(e);t.tokenizer=s}(),l.walkTokens&&(u=ie.defaults.walkTokens,t.walkTokens=function(e){l.walkTokens(e),u&&u(e)}),ie.setOptions(t)},ie.walkTokens=function(e,u){for(var t,n=c(e);!(t=n()).done;){var r=t.value;switch(u(r),r.type){case"table":for(var i=c(r.tokens.header);!(s=i()).done;){var s=s.value;ie.walkTokens(s,u)}for(var l,a=c(r.tokens.cells);!(l=a()).done;)for(var D=c(l.value);!(o=D()).done;){var o=o.value;ie.walkTokens(o,u)}break;case"list":ie.walkTokens(r.items,u);break;default:r.tokens&&ie.walkTokens(r.tokens,u)}}},ie.parseInline=function(e,u){if(null==e)throw new Error("marked.parseInline(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked.parseInline(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");u=ue({},ie.defaults,u||{}),te(u);try{var t=X.lexInline(e,u);return u.walkTokens&&ie.walkTokens(t,u.walkTokens),ee.parseInline(t,u)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",u.silent)return"<p>An error occurred:</p><pre>"+ne(e.message+"",!0)+"</pre>";throw e}},ie.Parser=ee,ie.parser=ee.parse,ie.Renderer=J,ie.TextRenderer=K,ie.Lexer=X,ie.lexer=X.lex,ie.Tokenizer=O,ie.Slugger=Q,ie.parse=ie});
    // 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);
    }


      // em & strong
      if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
        if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started
          prevChar = token.raw.slice(-1);
        }
  emStrong(src, maskedSrc, prevChar = '') {
    let match = this.rules.inline.emStrong.lDelim.exec(src);
    if (!match) return;
    if (match[3] && prevChar.match(/[\p{L}\p{N}]/u)) return; // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well
    const nextChar = match[1] || match[2] || '';

    if (!nextChar || (nextChar && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) {
      const lLength = match[0].length - 1;
      let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0;

      const endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd;
      maskedSrc = maskedSrc.slice(-1 * src.length + lLength); // Bump maskedSrc to same section of string as src (move to lexer?)

        rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];

        if (!rDelim) continue; // matched the first alternative in rules.js (skip the * 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
        // If this is the last rDelimiter, remove extra characters. *a*** -> *a*
        if (delimTotal + midDelimTotal - rLength <= 0 && !maskedSrc.slice(endReg.lastIndex).match(endReg)) {
          rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal);
        }
        if (Math.min(lLength, rLength) % 2) {
            raw: src.slice(0, lLength + match.index + rLength + 1),
            text: src.slice(1, lLength + match.index + rLength)
          };
        }
        if (Math.min(lLength, rLength) % 2 === 0) {
          return {
            type: 'strong',
            raw: src.slice(0, lLength + match.index + rLength + 1),
            text: src.slice(2, lLength + match.index + rLength - 1)
  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 other delimiter (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 _
  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.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
inline.escapedEmSt = /\\\*|\\_/g;
inline.emStrong.lDelim = edit(inline.emStrong.lDelim)
  .replace(/punct/g, inline._punctuation)
inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'g')
  .replace(/punct/g, inline._punctuation)
inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'g')
  .replace(/punct/g, inline._punctuation)
  text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
<p><em>foo <strong>bar *baz bim</strong> bam</em></p>
*foo __bar *baz bim__ bam*
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
    "section": "Emphasis and strong emphasis"
<li><a href="https://www.google.com"><em><strong>named link</strong></em></a></li>
<li><em><strong><a href="https://www.google.com">named link</a></strong></em></li>
<li><a href="https://www.google.com"><em><strong>named link</strong></em></a></li>
<li><em><strong><a href="https://www.google.com">named link</a></strong></em></li>
<li><a href="https://www.google.com"><em><strong><code>named link</code></strong></em></a></li>
<li><em><strong><a href="https://www.google.com"><code>named link</code></a></strong></em></li>
<li><a href="https://www.google.com"><em><strong><code>named link</code></strong></em></a></li>
<li><em><strong><a href="https://www.google.com"><code>named link</code></a></strong></em></li>
module.exports = {
  markdown: `${'_'.repeat(101)} a`,
  html: `<p>${'_'.repeat(101)} a</p>`
};