| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886 | // CodeMirror, copyright (c) by Marijn Haverbeke and others// Distributed under an MIT license: https://codemirror.net/LICENSE(function(mod) {  if (typeof exports == "object" && typeof module == "object") // CommonJS    mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta"));  else if (typeof define == "function" && define.amd) // AMD    define(["../../lib/codemirror", "../xml/xml", "../meta"], mod);  else // Plain browser env    mod(CodeMirror);})(function(CodeMirror) {"use strict";CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {  var htmlMode = CodeMirror.getMode(cmCfg, "text/html");  var htmlModeMissing = htmlMode.name == "null"  function getMode(name) {    if (CodeMirror.findModeByName) {      var found = CodeMirror.findModeByName(name);      if (found) name = found.mime || found.mimes[0];    }    var mode = CodeMirror.getMode(cmCfg, name);    return mode.name == "null" ? null : mode;  }  // Should characters that affect highlighting be highlighted separate?  // Does not include characters that will be output (such as `1.` and `-` for lists)  if (modeCfg.highlightFormatting === undefined)    modeCfg.highlightFormatting = false;  // Maximum number of nested blockquotes. Set to 0 for infinite nesting.  // Excess `>` will emit `error` token.  if (modeCfg.maxBlockquoteDepth === undefined)    modeCfg.maxBlockquoteDepth = 0;  // Turn on task lists? ("- [ ] " and "- [x] ")  if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;  // Turn on strikethrough syntax  if (modeCfg.strikethrough === undefined)    modeCfg.strikethrough = false;  if (modeCfg.emoji === undefined)    modeCfg.emoji = false;  if (modeCfg.fencedCodeBlockHighlighting === undefined)    modeCfg.fencedCodeBlockHighlighting = true;  if (modeCfg.fencedCodeBlockDefaultMode === undefined)    modeCfg.fencedCodeBlockDefaultMode = 'text/plain';  if (modeCfg.xml === undefined)    modeCfg.xml = true;  // Allow token types to be overridden by user-provided token types.  if (modeCfg.tokenTypeOverrides === undefined)    modeCfg.tokenTypeOverrides = {};  var tokenTypes = {    header: "header",    code: "comment",    quote: "quote",    list1: "variable-2",    list2: "variable-3",    list3: "keyword",    hr: "hr",    image: "image",    imageAltText: "image-alt-text",    imageMarker: "image-marker",    formatting: "formatting",    linkInline: "link",    linkEmail: "link",    linkText: "link",    linkHref: "string",    em: "em",    strong: "strong",    strikethrough: "strikethrough",    emoji: "builtin"  };  for (var tokenType in tokenTypes) {    if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) {      tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType];    }  }  var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/  ,   listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/  ,   taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE  ,   atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/  ,   setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/  ,   textRE = /^[^#!\[\]*_\\<>` "'(~:]+/  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/  ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition  ,   punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/  ,   expandedTab = "    " // CommonMark specifies tab as 4 spaces  function switchInline(stream, state, f) {    state.f = state.inline = f;    return f(stream, state);  }  function switchBlock(stream, state, f) {    state.f = state.block = f;    return f(stream, state);  }  function lineIsEmpty(line) {    return !line || !/\S/.test(line.string)  }  // Blocks  function blankLine(state) {    // Reset linkTitle state    state.linkTitle = false;    state.linkHref = false;    state.linkText = false;    // Reset EM state    state.em = false;    // Reset STRONG state    state.strong = false;    // Reset strikethrough state    state.strikethrough = false;    // Reset state.quote    state.quote = 0;    // Reset state.indentedCode    state.indentedCode = false;    if (state.f == htmlBlock) {      var exit = htmlModeMissing      if (!exit) {        var inner = CodeMirror.innerMode(htmlMode, state.htmlState)        exit = inner.mode.name == "xml" && inner.state.tagStart === null &&          (!inner.state.context && inner.state.tokenize.isInText)      }      if (exit) {        state.f = inlineNormal;        state.block = blockNormal;        state.htmlState = null;      }    }    // Reset state.trailingSpace    state.trailingSpace = 0;    state.trailingSpaceNewLine = false;    // Mark this line as blank    state.prevLine = state.thisLine    state.thisLine = {stream: null}    return null;  }  function blockNormal(stream, state) {    var firstTokenOnLine = stream.column() === state.indentation;    var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream);    var prevLineIsIndentedCode = state.indentedCode;    var prevLineIsHr = state.prevLine.hr;    var prevLineIsList = state.list !== false;    var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3;    state.indentedCode = false;    var lineIndentation = state.indentation;    // compute once per line (on first token)    if (state.indentationDiff === null) {      state.indentationDiff = state.indentation;      if (prevLineIsList) {        state.list = null;        // While this list item's marker's indentation is less than the deepest        //  list item's content's indentation,pop the deepest list item        //  indentation off the stack, and update block indentation state        while (lineIndentation < state.listStack[state.listStack.length - 1]) {          state.listStack.pop();          if (state.listStack.length) {            state.indentation = state.listStack[state.listStack.length - 1];          // less than the first list's indent -> the line is no longer a list          } else {            state.list = false;          }        }        if (state.list !== false) {          state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1]        }      }    }    // not comprehensive (currently only for setext detection purposes)    var allowsInlineContinuation = (        !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header &&        (!prevLineIsList || !prevLineIsIndentedCode) &&        !state.prevLine.fencedCodeEnd    );    var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) &&      state.indentation <= maxNonCodeIndentation && stream.match(hrRE);    var match = null;    if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd ||         state.prevLine.header || prevLineLineIsEmpty)) {      stream.skipToEnd();      state.indentedCode = true;      return tokenTypes.code;    } else if (stream.eatSpace()) {      return null;    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) {      state.quote = 0;      state.header = match[1].length;      state.thisLine.header = true;      if (modeCfg.highlightFormatting) state.formatting = "header";      state.f = state.inline;      return getType(state);    } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) {      state.quote = firstTokenOnLine ? 1 : state.quote + 1;      if (modeCfg.highlightFormatting) state.formatting = "quote";      stream.eatSpace();      return getType(state);    } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) {      var listType = match[1] ? "ol" : "ul";      state.indentation = lineIndentation + stream.current().length;      state.list = true;      state.quote = 0;      // Add this list item's content's indentation to the stack      state.listStack.push(state.indentation);      // Reset inline styles which shouldn't propagate across list items      state.em = false;      state.strong = false;      state.code = false;      state.strikethrough = false;      if (modeCfg.taskLists && stream.match(taskListRE, false)) {        state.taskList = true;      }      state.f = state.inline;      if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];      return getType(state);    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) {      state.quote = 0;      state.fencedEndRE = new RegExp(match[1] + "+ *$");      // try switching mode      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );      if (state.localMode) state.localState = CodeMirror.startState(state.localMode);      state.f = state.block = local;      if (modeCfg.highlightFormatting) state.formatting = "code-block";      state.code = -1      return getType(state);    // SETEXT has lowest block-scope precedence after HR, so check it after    //  the others (code, blockquote, list...)    } else if (      // if setext set, indicates line after ---/===      state.setext || (        // line before ---/===        (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false &&        !state.code && !isHr && !linkDefRE.test(stream.string) &&        (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE))      )    ) {      if ( !state.setext ) {        state.header = match[0].charAt(0) == '=' ? 1 : 2;        state.setext = state.header;      } else {        state.header = state.setext;        // has no effect on type so we can reset it now        state.setext = 0;        stream.skipToEnd();        if (modeCfg.highlightFormatting) state.formatting = "header";      }      state.thisLine.header = true;      state.f = state.inline;      return getType(state);    } else if (isHr) {      stream.skipToEnd();      state.hr = true;      state.thisLine.hr = true;      return tokenTypes.hr;    } else if (stream.peek() === '[') {      return switchInline(stream, state, footnoteLink);    }    return switchInline(stream, state, state.inline);  }  function htmlBlock(stream, state) {    var style = htmlMode.token(stream, state.htmlState);    if (!htmlModeMissing) {      var inner = CodeMirror.innerMode(htmlMode, state.htmlState)      if ((inner.mode.name == "xml" && inner.state.tagStart === null &&           (!inner.state.context && inner.state.tokenize.isInText)) ||          (state.md_inside && stream.current().indexOf(">") > -1)) {        state.f = inlineNormal;        state.block = blockNormal;        state.htmlState = null;      }    }    return style;  }  function local(stream, state) {    var currListInd = state.listStack[state.listStack.length - 1] || 0;    var hasExitedList = state.indentation < currListInd;    var maxFencedEndInd = currListInd + 3;    if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) {      if (modeCfg.highlightFormatting) state.formatting = "code-block";      var returnType;      if (!hasExitedList) returnType = getType(state)      state.localMode = state.localState = null;      state.block = blockNormal;      state.f = inlineNormal;      state.fencedEndRE = null;      state.code = 0      state.thisLine.fencedCodeEnd = true;      if (hasExitedList) return switchBlock(stream, state, state.block);      return returnType;    } else if (state.localMode) {      return state.localMode.token(stream, state.localState);    } else {      stream.skipToEnd();      return tokenTypes.code;    }  }  // Inline  function getType(state) {    var styles = [];    if (state.formatting) {      styles.push(tokenTypes.formatting);      if (typeof state.formatting === "string") state.formatting = [state.formatting];      for (var i = 0; i < state.formatting.length; i++) {        styles.push(tokenTypes.formatting + "-" + state.formatting[i]);        if (state.formatting[i] === "header") {          styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header);        }        // Add `formatting-quote` and `formatting-quote-#` for blockquotes        // Add `error` instead if the maximum blockquote nesting depth is passed        if (state.formatting[i] === "quote") {          if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {            styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote);          } else {            styles.push("error");          }        }      }    }    if (state.taskOpen) {      styles.push("meta");      return styles.length ? styles.join(' ') : null;    }    if (state.taskClosed) {      styles.push("property");      return styles.length ? styles.join(' ') : null;    }    if (state.linkHref) {      styles.push(tokenTypes.linkHref, "url");    } else { // Only apply inline styles to non-url text      if (state.strong) { styles.push(tokenTypes.strong); }      if (state.em) { styles.push(tokenTypes.em); }      if (state.strikethrough) { styles.push(tokenTypes.strikethrough); }      if (state.emoji) { styles.push(tokenTypes.emoji); }      if (state.linkText) { styles.push(tokenTypes.linkText); }      if (state.code) { styles.push(tokenTypes.code); }      if (state.image) { styles.push(tokenTypes.image); }      if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); }      if (state.imageMarker) { styles.push(tokenTypes.imageMarker); }    }    if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); }    if (state.quote) {      styles.push(tokenTypes.quote);      // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth      if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {        styles.push(tokenTypes.quote + "-" + state.quote);      } else {        styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth);      }    }    if (state.list !== false) {      var listMod = (state.listStack.length - 1) % 3;      if (!listMod) {        styles.push(tokenTypes.list1);      } else if (listMod === 1) {        styles.push(tokenTypes.list2);      } else {        styles.push(tokenTypes.list3);      }    }    if (state.trailingSpaceNewLine) {      styles.push("trailing-space-new-line");    } else if (state.trailingSpace) {      styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b"));    }    return styles.length ? styles.join(' ') : null;  }  function handleText(stream, state) {    if (stream.match(textRE, true)) {      return getType(state);    }    return undefined;  }  function inlineNormal(stream, state) {    var style = state.text(stream, state);    if (typeof style !== 'undefined')      return style;    if (state.list) { // List marker (*, +, -, 1., etc)      state.list = null;      return getType(state);    }    if (state.taskList) {      var taskOpen = stream.match(taskListRE, true)[1] === " ";      if (taskOpen) state.taskOpen = true;      else state.taskClosed = true;      if (modeCfg.highlightFormatting) state.formatting = "task";      state.taskList = false;      return getType(state);    }    state.taskOpen = false;    state.taskClosed = false;    if (state.header && stream.match(/^#+$/, true)) {      if (modeCfg.highlightFormatting) state.formatting = "header";      return getType(state);    }    var ch = stream.next();    // Matches link titles present on next line    if (state.linkTitle) {      state.linkTitle = false;      var matchCh = ch;      if (ch === '(') {        matchCh = ')';      }      matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1");      var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;      if (stream.match(new RegExp(regex), true)) {        return tokenTypes.linkHref;      }    }    // If this block is changed, it may need to be updated in GFM mode    if (ch === '`') {      var previousFormatting = state.formatting;      if (modeCfg.highlightFormatting) state.formatting = "code";      stream.eatWhile('`');      var count = stream.current().length      if (state.code == 0 && (!state.quote || count == 1)) {        state.code = count        return getType(state)      } else if (count == state.code) { // Must be exact        var t = getType(state)        state.code = 0        return t      } else {        state.formatting = previousFormatting        return getType(state)      }    } else if (state.code) {      return getType(state);    }    if (ch === '\\') {      stream.next();      if (modeCfg.highlightFormatting) {        var type = getType(state);        var formattingEscape = tokenTypes.formatting + "-escape";        return type ? type + " " + formattingEscape : formattingEscape;      }    }    if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {      state.imageMarker = true;      state.image = true;      if (modeCfg.highlightFormatting) state.formatting = "image";      return getType(state);    }    if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) {      state.imageMarker = false;      state.imageAltText = true      if (modeCfg.highlightFormatting) state.formatting = "image";      return getType(state);    }    if (ch === ']' && state.imageAltText) {      if (modeCfg.highlightFormatting) state.formatting = "image";      var type = getType(state);      state.imageAltText = false;      state.image = false;      state.inline = state.f = linkHref;      return type;    }    if (ch === '[' && !state.image) {      if (state.linkText && stream.match(/^.*?\]/)) return getType(state)      state.linkText = true;      if (modeCfg.highlightFormatting) state.formatting = "link";      return getType(state);    }    if (ch === ']' && state.linkText) {      if (modeCfg.highlightFormatting) state.formatting = "link";      var type = getType(state);      state.linkText = false;      state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal      return type;    }    if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) {      state.f = state.inline = linkInline;      if (modeCfg.highlightFormatting) state.formatting = "link";      var type = getType(state);      if (type){        type += " ";      } else {        type = "";      }      return type + tokenTypes.linkInline;    }    if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) {      state.f = state.inline = linkInline;      if (modeCfg.highlightFormatting) state.formatting = "link";      var type = getType(state);      if (type){        type += " ";      } else {        type = "";      }      return type + tokenTypes.linkEmail;    }    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {      var end = stream.string.indexOf(">", stream.pos);      if (end != -1) {        var atts = stream.string.substring(stream.start, end);        if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true;      }      stream.backUp(1);      state.htmlState = CodeMirror.startState(htmlMode);      return switchBlock(stream, state, htmlBlock);    }    if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) {      state.md_inside = false;      return "tag";    } else if (ch === "*" || ch === "_") {      var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2)      while (len < 3 && stream.eat(ch)) len++      var after = stream.peek() || " "      // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis      var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before))      var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after))      var setEm = null, setStrong = null      if (len % 2) { // Em        if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))          setEm = true        else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))          setEm = false      }      if (len > 1) { // Strong        if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))          setStrong = true        else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))          setStrong = false      }      if (setStrong != null || setEm != null) {        if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em"        if (setEm === true) state.em = ch        if (setStrong === true) state.strong = ch        var t = getType(state)        if (setEm === false) state.em = false        if (setStrong === false) state.strong = false        return t      }    } else if (ch === ' ') {      if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces        if (stream.peek() === ' ') { // Surrounded by spaces, ignore          return getType(state);        } else { // Not surrounded by spaces, back up pointer          stream.backUp(1);        }      }    }    if (modeCfg.strikethrough) {      if (ch === '~' && stream.eatWhile(ch)) {        if (state.strikethrough) {// Remove strikethrough          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";          var t = getType(state);          state.strikethrough = false;          return t;        } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough          state.strikethrough = true;          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";          return getType(state);        }      } else if (ch === ' ') {        if (stream.match('~~', true)) { // Probably surrounded by space          if (stream.peek() === ' ') { // Surrounded by spaces, ignore            return getType(state);          } else { // Not surrounded by spaces, back up pointer            stream.backUp(2);          }        }      }    }    if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) {      state.emoji = true;      if (modeCfg.highlightFormatting) state.formatting = "emoji";      var retType = getType(state);      state.emoji = false;      return retType;    }    if (ch === ' ') {      if (stream.match(/^ +$/, false)) {        state.trailingSpace++;      } else if (state.trailingSpace) {        state.trailingSpaceNewLine = true;      }    }    return getType(state);  }  function linkInline(stream, state) {    var ch = stream.next();    if (ch === ">") {      state.f = state.inline = inlineNormal;      if (modeCfg.highlightFormatting) state.formatting = "link";      var type = getType(state);      if (type){        type += " ";      } else {        type = "";      }      return type + tokenTypes.linkInline;    }    stream.match(/^[^>]+/, true);    return tokenTypes.linkInline;  }  function linkHref(stream, state) {    // Check if space, and return NULL if so (to avoid marking the space)    if(stream.eatSpace()){      return null;    }    var ch = stream.next();    if (ch === '(' || ch === '[') {      state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]");      if (modeCfg.highlightFormatting) state.formatting = "link-string";      state.linkHref = true;      return getType(state);    }    return 'error';  }  var linkRE = {    ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/,    "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/  }  function getLinkHrefInside(endChar) {    return function(stream, state) {      var ch = stream.next();      if (ch === endChar) {        state.f = state.inline = inlineNormal;        if (modeCfg.highlightFormatting) state.formatting = "link-string";        var returnState = getType(state);        state.linkHref = false;        return returnState;      }      stream.match(linkRE[endChar])      state.linkHref = true;      return getType(state);    };  }  function footnoteLink(stream, state) {    if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) {      state.f = footnoteLinkInside;      stream.next(); // Consume [      if (modeCfg.highlightFormatting) state.formatting = "link";      state.linkText = true;      return getType(state);    }    return switchInline(stream, state, inlineNormal);  }  function footnoteLinkInside(stream, state) {    if (stream.match(']:', true)) {      state.f = state.inline = footnoteUrl;      if (modeCfg.highlightFormatting) state.formatting = "link";      var returnType = getType(state);      state.linkText = false;      return returnType;    }    stream.match(/^([^\]\\]|\\.)+/, true);    return tokenTypes.linkText;  }  function footnoteUrl(stream, state) {    // Check if space, and return NULL if so (to avoid marking the space)    if(stream.eatSpace()){      return null;    }    // Match URL    stream.match(/^[^\s]+/, true);    // Check for link title    if (stream.peek() === undefined) { // End of line, set flag to check next line      state.linkTitle = true;    } else { // More content on line, check if link title      stream.match(/^(?:\s+(?:"(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+'|\((?:[^)\\]|\\.)+\)))?/, true);    }    state.f = state.inline = inlineNormal;    return tokenTypes.linkHref + " url";  }  var mode = {    startState: function() {      return {        f: blockNormal,        prevLine: {stream: null},        thisLine: {stream: null},        block: blockNormal,        htmlState: null,        indentation: 0,        inline: inlineNormal,        text: handleText,        formatting: false,        linkText: false,        linkHref: false,        linkTitle: false,        code: 0,        em: false,        strong: false,        header: 0,        setext: 0,        hr: false,        taskList: false,        list: false,        listStack: [],        quote: 0,        trailingSpace: 0,        trailingSpaceNewLine: false,        strikethrough: false,        emoji: false,        fencedEndRE: null      };    },    copyState: function(s) {      return {        f: s.f,        prevLine: s.prevLine,        thisLine: s.thisLine,        block: s.block,        htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState),        indentation: s.indentation,        localMode: s.localMode,        localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,        inline: s.inline,        text: s.text,        formatting: false,        linkText: s.linkText,        linkTitle: s.linkTitle,        linkHref: s.linkHref,        code: s.code,        em: s.em,        strong: s.strong,        strikethrough: s.strikethrough,        emoji: s.emoji,        header: s.header,        setext: s.setext,        hr: s.hr,        taskList: s.taskList,        list: s.list,        listStack: s.listStack.slice(0),        quote: s.quote,        indentedCode: s.indentedCode,        trailingSpace: s.trailingSpace,        trailingSpaceNewLine: s.trailingSpaceNewLine,        md_inside: s.md_inside,        fencedEndRE: s.fencedEndRE      };    },    token: function(stream, state) {      // Reset state.formatting      state.formatting = false;      if (stream != state.thisLine.stream) {        state.header = 0;        state.hr = false;        if (stream.match(/^\s*$/, true)) {          blankLine(state);          return null;        }        state.prevLine = state.thisLine        state.thisLine = {stream: stream}        // Reset state.taskList        state.taskList = false;        // Reset state.trailingSpace        state.trailingSpace = 0;        state.trailingSpaceNewLine = false;        if (!state.localState) {          state.f = state.block;          if (state.f != htmlBlock) {            var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length;            state.indentation = indentation;            state.indentationDiff = null;            if (indentation > 0) return null;          }        }      }      return state.f(stream, state);    },    innerMode: function(state) {      if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode};      if (state.localState) return {state: state.localState, mode: state.localMode};      return {state: state, mode: mode};    },    indent: function(state, textAfter, line) {      if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line)      if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line)      return CodeMirror.Pass    },    blankLine: blankLine,    getType: getType,    blockCommentStart: "<!--",    blockCommentEnd: "-->",    closeBrackets: "()[]{}''\"\"``",    fold: "markdown"  };  return mode;}, "xml");CodeMirror.defineMIME("text/markdown", "markdown");CodeMirror.defineMIME("text/x-markdown", "markdown");});
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