Initial commit

12 files changed, 1739 insertions, 0 deletions

diff --git a/node_modules/markdown-it/lib/rules_block/blockquote.js b/node_modules/markdown-it/lib/rules_block/blockquote.js
new file mode 100644
index 0000000..a02699a
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/blockquote.js
@@ -0,0 +1,284 @@
+// Block quotes
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+module.exports = function blockquote(state, startLine, endLine, silent) {
+  var adjustTab,
+      ch,
+      i,
+      initial,
+      l,
+      lastLineEmpty,
+      lines,
+      nextLine,
+      offset,
+      oldBMarks,
+      oldBSCount,
+      oldIndent,
+      oldParentType,
+      oldSCount,
+      oldTShift,
+      spaceAfterMarker,
+      terminate,
+      terminatorRules,
+      token,
+      isOutdented,
+      oldLineMax = state.lineMax,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  // check the block quote marker
+  if (state.src.charCodeAt(pos++) !== 0x3E/* > */) { return false; }
+
+  // we know that it's going to be a valid blockquote,
+  // so no point trying to find the end of it in silent mode
+  if (silent) { return true; }
+
+  // set offset past spaces and ">"
+  initial = offset = state.sCount[startLine] + 1;
+
+  // skip one optional space after '>'
+  if (state.src.charCodeAt(pos) === 0x20 /* space */) {
+    // ' >   test '
+    //     ^ -- position start of line here:
+    pos++;
+    initial++;
+    offset++;
+    adjustTab = false;
+    spaceAfterMarker = true;
+  } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {
+    spaceAfterMarker = true;
+
+    if ((state.bsCount[startLine] + offset) % 4 === 3) {
+      // '  >\t  test '
+      //       ^ -- position start of line here (tab has width===1)
+      pos++;
+      initial++;
+      offset++;
+      adjustTab = false;
+    } else {
+      // ' >\t  test '
+      //    ^ -- position start of line here + shift bsCount slightly
+      //         to make extra space appear
+      adjustTab = true;
+    }
+  } else {
+    spaceAfterMarker = false;
+  }
+
+  oldBMarks = [ state.bMarks[startLine] ];
+  state.bMarks[startLine] = pos;
+
+  while (pos < max) {
+    ch = state.src.charCodeAt(pos);
+
+    if (isSpace(ch)) {
+      if (ch === 0x09) {
+        offset += 4 - (offset + state.bsCount[startLine] + (adjustTab ? 1 : 0)) % 4;
+      } else {
+        offset++;
+      }
+    } else {
+      break;
+    }
+
+    pos++;
+  }
+
+  oldBSCount = [ state.bsCount[startLine] ];
+  state.bsCount[startLine] = state.sCount[startLine] + 1 + (spaceAfterMarker ? 1 : 0);
+
+  lastLineEmpty = pos >= max;
+
+  oldSCount = [ state.sCount[startLine] ];
+  state.sCount[startLine] = offset - initial;
+
+  oldTShift = [ state.tShift[startLine] ];
+  state.tShift[startLine] = pos - state.bMarks[startLine];
+
+  terminatorRules = state.md.block.ruler.getRules('blockquote');
+
+  oldParentType = state.parentType;
+  state.parentType = 'blockquote';
+
+  // Search the end of the block
+  //
+  // Block ends with either:
+  //  1. an empty line outside:
+  //     ```
+  //     > test
+  //
+  //     ```
+  //  2. an empty line inside:
+  //     ```
+  //     >
+  //     test
+  //     ```
+  //  3. another tag:
+  //     ```
+  //     > test
+  //      - - -
+  //     ```
+  for (nextLine = startLine + 1; nextLine < endLine; nextLine++) {
+    // check if it's outdented, i.e. it's inside list item and indented
+    // less than said list item:
+    //
+    // ```
+    // 1. anything
+    //    > current blockquote
+    // 2. checking this line
+    // ```
+    isOutdented = state.sCount[nextLine] < state.blkIndent;
+
+    pos = state.bMarks[nextLine] + state.tShift[nextLine];
+    max = state.eMarks[nextLine];
+
+    if (pos >= max) {
+      // Case 1: line is not inside the blockquote, and this line is empty.
+      break;
+    }
+
+    if (state.src.charCodeAt(pos++) === 0x3E/* > */ && !isOutdented) {
+      // This line is inside the blockquote.
+
+      // set offset past spaces and ">"
+      initial = offset = state.sCount[nextLine] + 1;
+
+      // skip one optional space after '>'
+      if (state.src.charCodeAt(pos) === 0x20 /* space */) {
+        // ' >   test '
+        //     ^ -- position start of line here:
+        pos++;
+        initial++;
+        offset++;
+        adjustTab = false;
+        spaceAfterMarker = true;
+      } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {
+        spaceAfterMarker = true;
+
+        if ((state.bsCount[nextLine] + offset) % 4 === 3) {
+          // '  >\t  test '
+          //       ^ -- position start of line here (tab has width===1)
+          pos++;
+          initial++;
+          offset++;
+          adjustTab = false;
+        } else {
+          // ' >\t  test '
+          //    ^ -- position start of line here + shift bsCount slightly
+          //         to make extra space appear
+          adjustTab = true;
+        }
+      } else {
+        spaceAfterMarker = false;
+      }
+
+      oldBMarks.push(state.bMarks[nextLine]);
+      state.bMarks[nextLine] = pos;
+
+      while (pos < max) {
+        ch = state.src.charCodeAt(pos);
+
+        if (isSpace(ch)) {
+          if (ch === 0x09) {
+            offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;
+          } else {
+            offset++;
+          }
+        } else {
+          break;
+        }
+
+        pos++;
+      }
+
+      lastLineEmpty = pos >= max;
+
+      oldBSCount.push(state.bsCount[nextLine]);
+      state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);
+
+      oldSCount.push(state.sCount[nextLine]);
+      state.sCount[nextLine] = offset - initial;
+
+      oldTShift.push(state.tShift[nextLine]);
+      state.tShift[nextLine] = pos - state.bMarks[nextLine];
+      continue;
+    }
+
+    // Case 2: line is not inside the blockquote, and the last line was empty.
+    if (lastLineEmpty) { break; }
+
+    // Case 3: another tag found.
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+
+    if (terminate) {
+      // Quirk to enforce "hard termination mode" for paragraphs;
+      // normally if you call `tokenize(state, startLine, nextLine)`,
+      // paragraphs will look below nextLine for paragraph continuation,
+      // but if blockquote is terminated by another tag, they shouldn't
+      state.lineMax = nextLine;
+
+      if (state.blkIndent !== 0) {
+        // state.blkIndent was non-zero, we now set it to zero,
+        // so we need to re-calculate all offsets to appear as
+        // if indent wasn't changed
+        oldBMarks.push(state.bMarks[nextLine]);
+        oldBSCount.push(state.bsCount[nextLine]);
+        oldTShift.push(state.tShift[nextLine]);
+        oldSCount.push(state.sCount[nextLine]);
+        state.sCount[nextLine] -= state.blkIndent;
+      }
+
+      break;
+    }
+
+    oldBMarks.push(state.bMarks[nextLine]);
+    oldBSCount.push(state.bsCount[nextLine]);
+    oldTShift.push(state.tShift[nextLine]);
+    oldSCount.push(state.sCount[nextLine]);
+
+    // A negative indentation means that this is a paragraph continuation
+    //
+    state.sCount[nextLine] = -1;
+  }
+
+  oldIndent = state.blkIndent;
+  state.blkIndent = 0;
+
+  token        = state.push('blockquote_open', 'blockquote', 1);
+  token.markup = '>';
+  token.map    = lines = [ startLine, 0 ];
+
+  state.md.block.tokenize(state, startLine, nextLine);
+
+  token        = state.push('blockquote_close', 'blockquote', -1);
+  token.markup = '>';
+
+  state.lineMax = oldLineMax;
+  state.parentType = oldParentType;
+  lines[1] = state.line;
+
+  // Restore original tShift; this might not be necessary since the parser
+  // has already been here, but just to make sure we can do that.
+  for (i = 0; i < oldTShift.length; i++) {
+    state.bMarks[i + startLine] = oldBMarks[i];
+    state.tShift[i + startLine] = oldTShift[i];
+    state.sCount[i + startLine] = oldSCount[i];
+    state.bsCount[i + startLine] = oldBSCount[i];
+  }
+  state.blkIndent = oldIndent;
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/code.js b/node_modules/markdown-it/lib/rules_block/code.js
new file mode 100644
index 0000000..018e019
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/code.js
@@ -0,0 +1,34 @@
+// Code block (4 spaces padded)
+
+'use strict';
+
+
+module.exports = function code(state, startLine, endLine/*, silent*/) {
+  var nextLine, last, token;
+
+  if (state.sCount[startLine] - state.blkIndent < 4) { return false; }
+
+  last = nextLine = startLine + 1;
+
+  while (nextLine < endLine) {
+    if (state.isEmpty(nextLine)) {
+      nextLine++;
+      continue;
+    }
+
+    if (state.sCount[nextLine] - state.blkIndent >= 4) {
+      nextLine++;
+      last = nextLine;
+      continue;
+    }
+    break;
+  }
+
+  state.line = last;
+
+  token         = state.push('code_block', 'code', 0);
+  token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + '\n';
+  token.map     = [ startLine, state.line ];
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/fence.js b/node_modules/markdown-it/lib/rules_block/fence.js
new file mode 100644
index 0000000..44f1538
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/fence.js
@@ -0,0 +1,98 @@
+// fences (``` lang, ~~~ lang)
+
+'use strict';
+
+
+module.exports = function fence(state, startLine, endLine, silent) {
+  var marker, len, params, nextLine, mem, token, markup,
+      haveEndMarker = false,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  if (pos + 3 > max) { return false; }
+
+  marker = state.src.charCodeAt(pos);
+
+  if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) {
+    return false;
+  }
+
+  // scan marker length
+  mem = pos;
+  pos = state.skipChars(pos, marker);
+
+  len = pos - mem;
+
+  if (len < 3) { return false; }
+
+  markup = state.src.slice(mem, pos);
+  params = state.src.slice(pos, max);
+
+  if (marker === 0x60 /* ` */) {
+    if (params.indexOf(String.fromCharCode(marker)) >= 0) {
+      return false;
+    }
+  }
+
+  // Since start is found, we can report success here in validation mode
+  if (silent) { return true; }
+
+  // search end of block
+  nextLine = startLine;
+
+  for (;;) {
+    nextLine++;
+    if (nextLine >= endLine) {
+      // unclosed block should be autoclosed by end of document.
+      // also block seems to be autoclosed by end of parent
+      break;
+    }
+
+    pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
+    max = state.eMarks[nextLine];
+
+    if (pos < max && state.sCount[nextLine] < state.blkIndent) {
+      // non-empty line with negative indent should stop the list:
+      // - ```
+      //  test
+      break;
+    }
+
+    if (state.src.charCodeAt(pos) !== marker) { continue; }
+
+    if (state.sCount[nextLine] - state.blkIndent >= 4) {
+      // closing fence should be indented less than 4 spaces
+      continue;
+    }
+
+    pos = state.skipChars(pos, marker);
+
+    // closing code fence must be at least as long as the opening one
+    if (pos - mem < len) { continue; }
+
+    // make sure tail has spaces only
+    pos = state.skipSpaces(pos);
+
+    if (pos < max) { continue; }
+
+    haveEndMarker = true;
+    // found!
+    break;
+  }
+
+  // If a fence has heading spaces, they should be removed from its inner block
+  len = state.sCount[startLine];
+
+  state.line = nextLine + (haveEndMarker ? 1 : 0);
+
+  token         = state.push('fence', 'code', 0);
+  token.info    = params;
+  token.content = state.getLines(startLine + 1, nextLine, len, true);
+  token.markup  = markup;
+  token.map     = [ startLine, state.line ];
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/heading.js b/node_modules/markdown-it/lib/rules_block/heading.js
new file mode 100644
index 0000000..9863f48
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/heading.js
@@ -0,0 +1,55 @@
+// heading (#, ##, ...)
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+module.exports = function heading(state, startLine, endLine, silent) {
+  var ch, level, tmp, token,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  ch  = state.src.charCodeAt(pos);
+
+  if (ch !== 0x23/* # */ || pos >= max) { return false; }
+
+  // count heading level
+  level = 1;
+  ch = state.src.charCodeAt(++pos);
+  while (ch === 0x23/* # */ && pos < max && level <= 6) {
+    level++;
+    ch = state.src.charCodeAt(++pos);
+  }
+
+  if (level > 6 || (pos < max && !isSpace(ch))) { return false; }
+
+  if (silent) { return true; }
+
+  // Let's cut tails like '    ###  ' from the end of string
+
+  max = state.skipSpacesBack(max, pos);
+  tmp = state.skipCharsBack(max, 0x23, pos); // #
+  if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
+    max = tmp;
+  }
+
+  state.line = startLine + 1;
+
+  token        = state.push('heading_open', 'h' + String(level), 1);
+  token.markup = '########'.slice(0, level);
+  token.map    = [ startLine, state.line ];
+
+  token          = state.push('inline', '', 0);
+  token.content  = state.src.slice(pos, max).trim();
+  token.map      = [ startLine, state.line ];
+  token.children = [];
+
+  token        = state.push('heading_close', 'h' + String(level), -1);
+  token.markup = '########'.slice(0, level);
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/hr.js b/node_modules/markdown-it/lib/rules_block/hr.js
new file mode 100644
index 0000000..a3bb14e
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/hr.js
@@ -0,0 +1,45 @@
+// Horizontal rule
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+module.exports = function hr(state, startLine, endLine, silent) {
+  var marker, cnt, ch, token,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  marker = state.src.charCodeAt(pos++);
+
+  // Check hr marker
+  if (marker !== 0x2A/* * */ &&
+      marker !== 0x2D/* - */ &&
+      marker !== 0x5F/* _ */) {
+    return false;
+  }
+
+  // markers can be mixed with spaces, but there should be at least 3 of them
+
+  cnt = 1;
+  while (pos < max) {
+    ch = state.src.charCodeAt(pos++);
+    if (ch !== marker && !isSpace(ch)) { return false; }
+    if (ch === marker) { cnt++; }
+  }
+
+  if (cnt < 3) { return false; }
+
+  if (silent) { return true; }
+
+  state.line = startLine + 1;
+
+  token        = state.push('hr', 'hr', 0);
+  token.map    = [ startLine, state.line ];
+  token.markup = Array(cnt + 1).join(String.fromCharCode(marker));
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/html_block.js b/node_modules/markdown-it/lib/rules_block/html_block.js
new file mode 100644
index 0000000..2f17675
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/html_block.js
@@ -0,0 +1,74 @@
+// HTML block
+
+'use strict';
+
+
+var block_names = require('../common/html_blocks');
+var HTML_OPEN_CLOSE_TAG_RE = require('../common/html_re').HTML_OPEN_CLOSE_TAG_RE;
+
+// An array of opening and corresponding closing sequences for html tags,
+// last argument defines whether it can terminate a paragraph or not
+//
+var HTML_SEQUENCES = [
+  [ /^<(script|pre|style|textarea)(?=(\s|>|$))/i, /<\/(script|pre|style|textarea)>/i, true ],
+  [ /^<!--/,        /-->/,   true ],
+  [ /^<\?/,         /\?>/,   true ],
+  [ /^<![A-Z]/,     />/,     true ],
+  [ /^<!\[CDATA\[/, /\]\]>/, true ],
+  [ new RegExp('^</?(' + block_names.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true ],
+  [ new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'),  /^$/, false ]
+];
+
+
+module.exports = function html_block(state, startLine, endLine, silent) {
+  var i, nextLine, token, lineText,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  if (!state.md.options.html) { return false; }
+
+  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
+
+  lineText = state.src.slice(pos, max);
+
+  for (i = 0; i < HTML_SEQUENCES.length; i++) {
+    if (HTML_SEQUENCES[i][0].test(lineText)) { break; }
+  }
+
+  if (i === HTML_SEQUENCES.length) { return false; }
+
+  if (silent) {
+    // true if this sequence can be a terminator, false otherwise
+    return HTML_SEQUENCES[i][2];
+  }
+
+  nextLine = startLine + 1;
+
+  // If we are here - we detected HTML block.
+  // Let's roll down till block end.
+  if (!HTML_SEQUENCES[i][1].test(lineText)) {
+    for (; nextLine < endLine; nextLine++) {
+      if (state.sCount[nextLine] < state.blkIndent) { break; }
+
+      pos = state.bMarks[nextLine] + state.tShift[nextLine];
+      max = state.eMarks[nextLine];
+      lineText = state.src.slice(pos, max);
+
+      if (HTML_SEQUENCES[i][1].test(lineText)) {
+        if (lineText.length !== 0) { nextLine++; }
+        break;
+      }
+    }
+  }
+
+  state.line = nextLine;
+
+  token         = state.push('html_block', '', 0);
+  token.map     = [ startLine, nextLine ];
+  token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/lheading.js b/node_modules/markdown-it/lib/rules_block/lheading.js
new file mode 100644
index 0000000..19bdc39
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/lheading.js
@@ -0,0 +1,83 @@
+// lheading (---, ===)
+
+'use strict';
+
+
+module.exports = function lheading(state, startLine, endLine/*, silent*/) {
+  var content, terminate, i, l, token, pos, max, level, marker,
+      nextLine = startLine + 1, oldParentType,
+      terminatorRules = state.md.block.ruler.getRules('paragraph');
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  oldParentType = state.parentType;
+  state.parentType = 'paragraph'; // use paragraph to match terminatorRules
+
+  // jump line-by-line until empty one or EOF
+  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
+    // this would be a code block normally, but after paragraph
+    // it's considered a lazy continuation regardless of what's there
+    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }
+
+    //
+    // Check for underline in setext header
+    //
+    if (state.sCount[nextLine] >= state.blkIndent) {
+      pos = state.bMarks[nextLine] + state.tShift[nextLine];
+      max = state.eMarks[nextLine];
+
+      if (pos < max) {
+        marker = state.src.charCodeAt(pos);
+
+        if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {
+          pos = state.skipChars(pos, marker);
+          pos = state.skipSpaces(pos);
+
+          if (pos >= max) {
+            level = (marker === 0x3D/* = */ ? 1 : 2);
+            break;
+          }
+        }
+      }
+    }
+
+    // quirk for blockquotes, this line should already be checked by that rule
+    if (state.sCount[nextLine] < 0) { continue; }
+
+    // Some tags can terminate paragraph without empty line.
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+    if (terminate) { break; }
+  }
+
+  if (!level) {
+    // Didn't find valid underline
+    return false;
+  }
+
+  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
+
+  state.line = nextLine + 1;
+
+  token          = state.push('heading_open', 'h' + String(level), 1);
+  token.markup   = String.fromCharCode(marker);
+  token.map      = [ startLine, state.line ];
+
+  token          = state.push('inline', '', 0);
+  token.content  = content;
+  token.map      = [ startLine, state.line - 1 ];
+  token.children = [];
+
+  token          = state.push('heading_close', 'h' + String(level), -1);
+  token.markup   = String.fromCharCode(marker);
+
+  state.parentType = oldParentType;
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/list.js b/node_modules/markdown-it/lib/rules_block/list.js
new file mode 100644
index 0000000..1e5e87b
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/list.js
@@ -0,0 +1,364 @@
+// Lists
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+// Search `[-+*][\n ]`, returns next pos after marker on success
+// or -1 on fail.
+function skipBulletListMarker(state, startLine) {
+  var marker, pos, max, ch;
+
+  pos = state.bMarks[startLine] + state.tShift[startLine];
+  max = state.eMarks[startLine];
+
+  marker = state.src.charCodeAt(pos++);
+  // Check bullet
+  if (marker !== 0x2A/* * */ &&
+      marker !== 0x2D/* - */ &&
+      marker !== 0x2B/* + */) {
+    return -1;
+  }
+
+  if (pos < max) {
+    ch = state.src.charCodeAt(pos);
+
+    if (!isSpace(ch)) {
+      // " -test " - is not a list item
+      return -1;
+    }
+  }
+
+  return pos;
+}
+
+// Search `\d+[.)][\n ]`, returns next pos after marker on success
+// or -1 on fail.
+function skipOrderedListMarker(state, startLine) {
+  var ch,
+      start = state.bMarks[startLine] + state.tShift[startLine],
+      pos = start,
+      max = state.eMarks[startLine];
+
+  // List marker should have at least 2 chars (digit + dot)
+  if (pos + 1 >= max) { return -1; }
+
+  ch = state.src.charCodeAt(pos++);
+
+  if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1; }
+
+  for (;;) {
+    // EOL -> fail
+    if (pos >= max) { return -1; }
+
+    ch = state.src.charCodeAt(pos++);
+
+    if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) {
+
+      // List marker should have no more than 9 digits
+      // (prevents integer overflow in browsers)
+      if (pos - start >= 10) { return -1; }
+
+      continue;
+    }
+
+    // found valid marker
+    if (ch === 0x29/* ) */ || ch === 0x2e/* . */) {
+      break;
+    }
+
+    return -1;
+  }
+
+
+  if (pos < max) {
+    ch = state.src.charCodeAt(pos);
+
+    if (!isSpace(ch)) {
+      // " 1.test " - is not a list item
+      return -1;
+    }
+  }
+  return pos;
+}
+
+function markTightParagraphs(state, idx) {
+  var i, l,
+      level = state.level + 2;
+
+  for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
+    if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
+      state.tokens[i + 2].hidden = true;
+      state.tokens[i].hidden = true;
+      i += 2;
+    }
+  }
+}
+
+
+module.exports = function list(state, startLine, endLine, silent) {
+  var ch,
+      contentStart,
+      i,
+      indent,
+      indentAfterMarker,
+      initial,
+      isOrdered,
+      itemLines,
+      l,
+      listLines,
+      listTokIdx,
+      markerCharCode,
+      markerValue,
+      max,
+      nextLine,
+      offset,
+      oldListIndent,
+      oldParentType,
+      oldSCount,
+      oldTShift,
+      oldTight,
+      pos,
+      posAfterMarker,
+      prevEmptyEnd,
+      start,
+      terminate,
+      terminatorRules,
+      token,
+      isTerminatingParagraph = false,
+      tight = true;
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  // Special case:
+  //  - item 1
+  //   - item 2
+  //    - item 3
+  //     - item 4
+  //      - this one is a paragraph continuation
+  if (state.listIndent >= 0 &&
+      state.sCount[startLine] - state.listIndent >= 4 &&
+      state.sCount[startLine] < state.blkIndent) {
+    return false;
+  }
+
+  // limit conditions when list can interrupt
+  // a paragraph (validation mode only)
+  if (silent && state.parentType === 'paragraph') {
+    // Next list item should still terminate previous list item;
+    //
+    // This code can fail if plugins use blkIndent as well as lists,
+    // but I hope the spec gets fixed long before that happens.
+    //
+    if (state.sCount[startLine] >= state.blkIndent) {
+      isTerminatingParagraph = true;
+    }
+  }
+
+  // Detect list type and position after marker
+  if ((posAfterMarker = skipOrderedListMarker(state, startLine)) >= 0) {
+    isOrdered = true;
+    start = state.bMarks[startLine] + state.tShift[startLine];
+    markerValue = Number(state.src.slice(start, posAfterMarker - 1));
+
+    // If we're starting a new ordered list right after
+    // a paragraph, it should start with 1.
+    if (isTerminatingParagraph && markerValue !== 1) return false;
+
+  } else if ((posAfterMarker = skipBulletListMarker(state, startLine)) >= 0) {
+    isOrdered = false;
+
+  } else {
+    return false;
+  }
+
+  // If we're starting a new unordered list right after
+  // a paragraph, first line should not be empty.
+  if (isTerminatingParagraph) {
+    if (state.skipSpaces(posAfterMarker) >= state.eMarks[startLine]) return false;
+  }
+
+  // We should terminate list on style change. Remember first one to compare.
+  markerCharCode = state.src.charCodeAt(posAfterMarker - 1);
+
+  // For validation mode we can terminate immediately
+  if (silent) { return true; }
+
+  // Start list
+  listTokIdx = state.tokens.length;
+
+  if (isOrdered) {
+    token       = state.push('ordered_list_open', 'ol', 1);
+    if (markerValue !== 1) {
+      token.attrs = [ [ 'start', markerValue ] ];
+    }
+
+  } else {
+    token       = state.push('bullet_list_open', 'ul', 1);
+  }
+
+  token.map    = listLines = [ startLine, 0 ];
+  token.markup = String.fromCharCode(markerCharCode);
+
+  //
+  // Iterate list items
+  //
+
+  nextLine = startLine;
+  prevEmptyEnd = false;
+  terminatorRules = state.md.block.ruler.getRules('list');
+
+  oldParentType = state.parentType;
+  state.parentType = 'list';
+
+  while (nextLine < endLine) {
+    pos = posAfterMarker;
+    max = state.eMarks[nextLine];
+
+    initial = offset = state.sCount[nextLine] + posAfterMarker - (state.bMarks[startLine] + state.tShift[startLine]);
+
+    while (pos < max) {
+      ch = state.src.charCodeAt(pos);
+
+      if (ch === 0x09) {
+        offset += 4 - (offset + state.bsCount[nextLine]) % 4;
+      } else if (ch === 0x20) {
+        offset++;
+      } else {
+        break;
+      }
+
+      pos++;
+    }
+
+    contentStart = pos;
+
+    if (contentStart >= max) {
+      // trimming space in "-    \n  3" case, indent is 1 here
+      indentAfterMarker = 1;
+    } else {
+      indentAfterMarker = offset - initial;
+    }
+
+    // If we have more than 4 spaces, the indent is 1
+    // (the rest is just indented code block)
+    if (indentAfterMarker > 4) { indentAfterMarker = 1; }
+
+    // "  -  test"
+    //  ^^^^^ - calculating total length of this thing
+    indent = initial + indentAfterMarker;
+
+    // Run subparser & write tokens
+    token        = state.push('list_item_open', 'li', 1);
+    token.markup = String.fromCharCode(markerCharCode);
+    token.map    = itemLines = [ startLine, 0 ];
+    if (isOrdered) {
+      token.info = state.src.slice(start, posAfterMarker - 1);
+    }
+
+    // change current state, then restore it after parser subcall
+    oldTight = state.tight;
+    oldTShift = state.tShift[startLine];
+    oldSCount = state.sCount[startLine];
+
+    //  - example list
+    // ^ listIndent position will be here
+    //   ^ blkIndent position will be here
+    //
+    oldListIndent = state.listIndent;
+    state.listIndent = state.blkIndent;
+    state.blkIndent = indent;
+
+    state.tight = true;
+    state.tShift[startLine] = contentStart - state.bMarks[startLine];
+    state.sCount[startLine] = offset;
+
+    if (contentStart >= max && state.isEmpty(startLine + 1)) {
+      // workaround for this case
+      // (list item is empty, list terminates before "foo"):
+      // ~~~~~~~~
+      //   -
+      //
+      //     foo
+      // ~~~~~~~~
+      state.line = Math.min(state.line + 2, endLine);
+    } else {
+      state.md.block.tokenize(state, startLine, endLine, true);
+    }
+
+    // If any of list item is tight, mark list as tight
+    if (!state.tight || prevEmptyEnd) {
+      tight = false;
+    }
+    // Item become loose if finish with empty line,
+    // but we should filter last element, because it means list finish
+    prevEmptyEnd = (state.line - startLine) > 1 && state.isEmpty(state.line - 1);
+
+    state.blkIndent = state.listIndent;
+    state.listIndent = oldListIndent;
+    state.tShift[startLine] = oldTShift;
+    state.sCount[startLine] = oldSCount;
+    state.tight = oldTight;
+
+    token        = state.push('list_item_close', 'li', -1);
+    token.markup = String.fromCharCode(markerCharCode);
+
+    nextLine = startLine = state.line;
+    itemLines[1] = nextLine;
+    contentStart = state.bMarks[startLine];
+
+    if (nextLine >= endLine) { break; }
+
+    //
+    // Try to check if list is terminated or continued.
+    //
+    if (state.sCount[nextLine] < state.blkIndent) { break; }
+
+    // if it's indented more than 3 spaces, it should be a code block
+    if (state.sCount[startLine] - state.blkIndent >= 4) { break; }
+
+    // fail if terminating block found
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+    if (terminate) { break; }
+
+    // fail if list has another type
+    if (isOrdered) {
+      posAfterMarker = skipOrderedListMarker(state, nextLine);
+      if (posAfterMarker < 0) { break; }
+      start = state.bMarks[nextLine] + state.tShift[nextLine];
+    } else {
+      posAfterMarker = skipBulletListMarker(state, nextLine);
+      if (posAfterMarker < 0) { break; }
+    }
+
+    if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break; }
+  }
+
+  // Finalize list
+  if (isOrdered) {
+    token = state.push('ordered_list_close', 'ol', -1);
+  } else {
+    token = state.push('bullet_list_close', 'ul', -1);
+  }
+  token.markup = String.fromCharCode(markerCharCode);
+
+  listLines[1] = nextLine;
+  state.line = nextLine;
+
+  state.parentType = oldParentType;
+
+  // mark paragraphs tight if needed
+  if (tight) {
+    markTightParagraphs(state, listTokIdx);
+  }
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/paragraph.js b/node_modules/markdown-it/lib/rules_block/paragraph.js
new file mode 100644
index 0000000..f0c6872
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/paragraph.js
@@ -0,0 +1,52 @@
+// Paragraph
+
+'use strict';
+
+
+module.exports = function paragraph(state, startLine/*, endLine*/) {
+  var content, terminate, i, l, token, oldParentType,
+      nextLine = startLine + 1,
+      terminatorRules = state.md.block.ruler.getRules('paragraph'),
+      endLine = state.lineMax;
+
+  oldParentType = state.parentType;
+  state.parentType = 'paragraph';
+
+  // jump line-by-line until empty one or EOF
+  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
+    // this would be a code block normally, but after paragraph
+    // it's considered a lazy continuation regardless of what's there
+    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }
+
+    // quirk for blockquotes, this line should already be checked by that rule
+    if (state.sCount[nextLine] < 0) { continue; }
+
+    // Some tags can terminate paragraph without empty line.
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+    if (terminate) { break; }
+  }
+
+  content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
+
+  state.line = nextLine;
+
+  token          = state.push('paragraph_open', 'p', 1);
+  token.map      = [ startLine, state.line ];
+
+  token          = state.push('inline', '', 0);
+  token.content  = content;
+  token.map      = [ startLine, state.line ];
+  token.children = [];
+
+  token          = state.push('paragraph_close', 'p', -1);
+
+  state.parentType = oldParentType;
+
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/reference.js b/node_modules/markdown-it/lib/rules_block/reference.js
new file mode 100644
index 0000000..78daa26
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/reference.js
@@ -0,0 +1,198 @@
+'use strict';
+
+
+var normalizeReference   = require('../common/utils').normalizeReference;
+var isSpace              = require('../common/utils').isSpace;
+
+
+module.exports = function reference(state, startLine, _endLine, silent) {
+  var ch,
+      destEndPos,
+      destEndLineNo,
+      endLine,
+      href,
+      i,
+      l,
+      label,
+      labelEnd,
+      oldParentType,
+      res,
+      start,
+      str,
+      terminate,
+      terminatorRules,
+      title,
+      lines = 0,
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine],
+      nextLine = startLine + 1;
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+
+  if (state.src.charCodeAt(pos) !== 0x5B/* [ */) { return false; }
+
+  // Simple check to quickly interrupt scan on [link](url) at the start of line.
+  // Can be useful on practice: https://github.com/markdown-it/markdown-it/issues/54
+  while (++pos < max) {
+    if (state.src.charCodeAt(pos) === 0x5D /* ] */ &&
+        state.src.charCodeAt(pos - 1) !== 0x5C/* \ */) {
+      if (pos + 1 === max) { return false; }
+      if (state.src.charCodeAt(pos + 1) !== 0x3A/* : */) { return false; }
+      break;
+    }
+  }
+
+  endLine = state.lineMax;
+
+  // jump line-by-line until empty one or EOF
+  terminatorRules = state.md.block.ruler.getRules('reference');
+
+  oldParentType = state.parentType;
+  state.parentType = 'reference';
+
+  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
+    // this would be a code block normally, but after paragraph
+    // it's considered a lazy continuation regardless of what's there
+    if (state.sCount[nextLine] - state.blkIndent > 3) { continue; }
+
+    // quirk for blockquotes, this line should already be checked by that rule
+    if (state.sCount[nextLine] < 0) { continue; }
+
+    // Some tags can terminate paragraph without empty line.
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+    if (terminate) { break; }
+  }
+
+  str = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
+  max = str.length;
+
+  for (pos = 1; pos < max; pos++) {
+    ch = str.charCodeAt(pos);
+    if (ch === 0x5B /* [ */) {
+      return false;
+    } else if (ch === 0x5D /* ] */) {
+      labelEnd = pos;
+      break;
+    } else if (ch === 0x0A /* \n */) {
+      lines++;
+    } else if (ch === 0x5C /* \ */) {
+      pos++;
+      if (pos < max && str.charCodeAt(pos) === 0x0A) {
+        lines++;
+      }
+    }
+  }
+
+  if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return false; }
+
+  // [label]:   destination   'title'
+  //         ^^^ skip optional whitespace here
+  for (pos = labelEnd + 2; pos < max; pos++) {
+    ch = str.charCodeAt(pos);
+    if (ch === 0x0A) {
+      lines++;
+    } else if (isSpace(ch)) {
+      /*eslint no-empty:0*/
+    } else {
+      break;
+    }
+  }
+
+  // [label]:   destination   'title'
+  //            ^^^^^^^^^^^ parse this
+  res = state.md.helpers.parseLinkDestination(str, pos, max);
+  if (!res.ok) { return false; }
+
+  href = state.md.normalizeLink(res.str);
+  if (!state.md.validateLink(href)) { return false; }
+
+  pos = res.pos;
+  lines += res.lines;
+
+  // save cursor state, we could require to rollback later
+  destEndPos = pos;
+  destEndLineNo = lines;
+
+  // [label]:   destination   'title'
+  //                       ^^^ skipping those spaces
+  start = pos;
+  for (; pos < max; pos++) {
+    ch = str.charCodeAt(pos);
+    if (ch === 0x0A) {
+      lines++;
+    } else if (isSpace(ch)) {
+      /*eslint no-empty:0*/
+    } else {
+      break;
+    }
+  }
+
+  // [label]:   destination   'title'
+  //                          ^^^^^^^ parse this
+  res = state.md.helpers.parseLinkTitle(str, pos, max);
+  if (pos < max && start !== pos && res.ok) {
+    title = res.str;
+    pos = res.pos;
+    lines += res.lines;
+  } else {
+    title = '';
+    pos = destEndPos;
+    lines = destEndLineNo;
+  }
+
+  // skip trailing spaces until the rest of the line
+  while (pos < max) {
+    ch = str.charCodeAt(pos);
+    if (!isSpace(ch)) { break; }
+    pos++;
+  }
+
+  if (pos < max && str.charCodeAt(pos) !== 0x0A) {
+    if (title) {
+      // garbage at the end of the line after title,
+      // but it could still be a valid reference if we roll back
+      title = '';
+      pos = destEndPos;
+      lines = destEndLineNo;
+      while (pos < max) {
+        ch = str.charCodeAt(pos);
+        if (!isSpace(ch)) { break; }
+        pos++;
+      }
+    }
+  }
+
+  if (pos < max && str.charCodeAt(pos) !== 0x0A) {
+    // garbage at the end of the line
+    return false;
+  }
+
+  label = normalizeReference(str.slice(1, labelEnd));
+  if (!label) {
+    // CommonMark 0.20 disallows empty labels
+    return false;
+  }
+
+  // Reference can not terminate anything. This check is for safety only.
+  /*istanbul ignore if*/
+  if (silent) { return true; }
+
+  if (typeof state.env.references === 'undefined') {
+    state.env.references = {};
+  }
+  if (typeof state.env.references[label] === 'undefined') {
+    state.env.references[label] = { title: title, href: href };
+  }
+
+  state.parentType = oldParentType;
+
+  state.line = startLine + lines + 1;
+  return true;
+};
diff --git a/node_modules/markdown-it/lib/rules_block/state_block.js b/node_modules/markdown-it/lib/rules_block/state_block.js
new file mode 100644
index 0000000..e42cb4b
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/state_block.js
@@ -0,0 +1,231 @@
+// Parser state class
+
+'use strict';
+
+var Token = require('../token');
+var isSpace = require('../common/utils').isSpace;
+
+
+function StateBlock(src, md, env, tokens) {
+  var ch, s, start, pos, len, indent, offset, indent_found;
+
+  this.src = src;
+
+  // link to parser instance
+  this.md     = md;
+
+  this.env = env;
+
+  //
+  // Internal state vartiables
+  //
+
+  this.tokens = tokens;
+
+  this.bMarks = [];  // line begin offsets for fast jumps
+  this.eMarks = [];  // line end offsets for fast jumps
+  this.tShift = [];  // offsets of the first non-space characters (tabs not expanded)
+  this.sCount = [];  // indents for each line (tabs expanded)
+
+  // An amount of virtual spaces (tabs expanded) between beginning
+  // of each line (bMarks) and real beginning of that line.
+  //
+  // It exists only as a hack because blockquotes override bMarks
+  // losing information in the process.
+  //
+  // It's used only when expanding tabs, you can think about it as
+  // an initial tab length, e.g. bsCount=21 applied to string `\t123`
+  // means first tab should be expanded to 4-21%4 === 3 spaces.
+  //
+  this.bsCount = [];
+
+  // block parser variables
+  this.blkIndent  = 0; // required block content indent (for example, if we are
+                       // inside a list, it would be positioned after list marker)
+  this.line       = 0; // line index in src
+  this.lineMax    = 0; // lines count
+  this.tight      = false;  // loose/tight mode for lists
+  this.ddIndent   = -1; // indent of the current dd block (-1 if there isn't any)
+  this.listIndent = -1; // indent of the current list block (-1 if there isn't any)
+
+  // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'
+  // used in lists to determine if they interrupt a paragraph
+  this.parentType = 'root';
+
+  this.level = 0;
+
+  // renderer
+  this.result = '';
+
+  // Create caches
+  // Generate markers.
+  s = this.src;
+  indent_found = false;
+
+  for (start = pos = indent = offset = 0, len = s.length; pos < len; pos++) {
+    ch = s.charCodeAt(pos);
+
+    if (!indent_found) {
+      if (isSpace(ch)) {
+        indent++;
+
+        if (ch === 0x09) {
+          offset += 4 - offset % 4;
+        } else {
+          offset++;
+        }
+        continue;
+      } else {
+        indent_found = true;
+      }
+    }
+
+    if (ch === 0x0A || pos === len - 1) {
+      if (ch !== 0x0A) { pos++; }
+      this.bMarks.push(start);
+      this.eMarks.push(pos);
+      this.tShift.push(indent);
+      this.sCount.push(offset);
+      this.bsCount.push(0);
+
+      indent_found = false;
+      indent = 0;
+      offset = 0;
+      start = pos + 1;
+    }
+  }
+
+  // Push fake entry to simplify cache bounds checks
+  this.bMarks.push(s.length);
+  this.eMarks.push(s.length);
+  this.tShift.push(0);
+  this.sCount.push(0);
+  this.bsCount.push(0);
+
+  this.lineMax = this.bMarks.length - 1; // don't count last fake line
+}
+
+// Push new token to "stream".
+//
+StateBlock.prototype.push = function (type, tag, nesting) {
+  var token = new Token(type, tag, nesting);
+  token.block = true;
+
+  if (nesting < 0) this.level--; // closing tag
+  token.level = this.level;
+  if (nesting > 0) this.level++; // opening tag
+
+  this.tokens.push(token);
+  return token;
+};
+
+StateBlock.prototype.isEmpty = function isEmpty(line) {
+  return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];
+};
+
+StateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {
+  for (var max = this.lineMax; from < max; from++) {
+    if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {
+      break;
+    }
+  }
+  return from;
+};
+
+// Skip spaces from given position.
+StateBlock.prototype.skipSpaces = function skipSpaces(pos) {
+  var ch;
+
+  for (var max = this.src.length; pos < max; pos++) {
+    ch = this.src.charCodeAt(pos);
+    if (!isSpace(ch)) { break; }
+  }
+  return pos;
+};
+
+// Skip spaces from given position in reverse.
+StateBlock.prototype.skipSpacesBack = function skipSpacesBack(pos, min) {
+  if (pos <= min) { return pos; }
+
+  while (pos > min) {
+    if (!isSpace(this.src.charCodeAt(--pos))) { return pos + 1; }
+  }
+  return pos;
+};
+
+// Skip char codes from given position
+StateBlock.prototype.skipChars = function skipChars(pos, code) {
+  for (var max = this.src.length; pos < max; pos++) {
+    if (this.src.charCodeAt(pos) !== code) { break; }
+  }
+  return pos;
+};
+
+// Skip char codes reverse from given position - 1
+StateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {
+  if (pos <= min) { return pos; }
+
+  while (pos > min) {
+    if (code !== this.src.charCodeAt(--pos)) { return pos + 1; }
+  }
+  return pos;
+};
+
+// cut lines range from source.
+StateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {
+  var i, lineIndent, ch, first, last, queue, lineStart,
+      line = begin;
+
+  if (begin >= end) {
+    return '';
+  }
+
+  queue = new Array(end - begin);
+
+  for (i = 0; line < end; line++, i++) {
+    lineIndent = 0;
+    lineStart = first = this.bMarks[line];
+
+    if (line + 1 < end || keepLastLF) {
+      // No need for bounds check because we have fake entry on tail.
+      last = this.eMarks[line] + 1;
+    } else {
+      last = this.eMarks[line];
+    }
+
+    while (first < last && lineIndent < indent) {
+      ch = this.src.charCodeAt(first);
+
+      if (isSpace(ch)) {
+        if (ch === 0x09) {
+          lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;
+        } else {
+          lineIndent++;
+        }
+      } else if (first - lineStart < this.tShift[line]) {
+        // patched tShift masked characters to look like spaces (blockquotes, list markers)
+        lineIndent++;
+      } else {
+        break;
+      }
+
+      first++;
+    }
+
+    if (lineIndent > indent) {
+      // partially expanding tabs in code blocks, e.g '\t\tfoobar'
+      // with indent=2 becomes '  \tfoobar'
+      queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last);
+    } else {
+      queue[i] = this.src.slice(first, last);
+    }
+  }
+
+  return queue.join('');
+};
+
+// re-export Token class to use in block rules
+StateBlock.prototype.Token = Token;
+
+
+module.exports = StateBlock;
diff --git a/node_modules/markdown-it/lib/rules_block/table.js b/node_modules/markdown-it/lib/rules_block/table.js
new file mode 100644
index 0000000..7d9208f
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_block/table.js
@@ -0,0 +1,221 @@
+// GFM table, https://github.github.com/gfm/#tables-extension-
+
+'use strict';
+
+var isSpace = require('../common/utils').isSpace;
+
+
+function getLine(state, line) {
+  var pos = state.bMarks[line] + state.tShift[line],
+      max = state.eMarks[line];
+
+  return state.src.substr(pos, max - pos);
+}
+
+function escapedSplit(str) {
+  var result = [],
+      pos = 0,
+      max = str.length,
+      ch,
+      isEscaped = false,
+      lastPos = 0,
+      current = '';
+
+  ch  = str.charCodeAt(pos);
+
+  while (pos < max) {
+    if (ch === 0x7c/* | */) {
+      if (!isEscaped) {
+        // pipe separating cells, '|'
+        result.push(current + str.substring(lastPos, pos));
+        current = '';
+        lastPos = pos + 1;
+      } else {
+        // escaped pipe, '\|'
+        current += str.substring(lastPos, pos - 1);
+        lastPos = pos;
+      }
+    }
+
+    isEscaped = (ch === 0x5c/* \ */);
+    pos++;
+
+    ch = str.charCodeAt(pos);
+  }
+
+  result.push(current + str.substring(lastPos));
+
+  return result;
+}
+
+
+module.exports = function table(state, startLine, endLine, silent) {
+  var ch, lineText, pos, i, l, nextLine, columns, columnCount, token,
+      aligns, t, tableLines, tbodyLines, oldParentType, terminate,
+      terminatorRules, firstCh, secondCh;
+
+  // should have at least two lines
+  if (startLine + 2 > endLine) { return false; }
+
+  nextLine = startLine + 1;
+
+  if (state.sCount[nextLine] < state.blkIndent) { return false; }
+
+  // if it's indented more than 3 spaces, it should be a code block
+  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false; }
+
+  // first character of the second line should be '|', '-', ':',
+  // and no other characters are allowed but spaces;
+  // basically, this is the equivalent of /^[-:|][-:|\s]*$/ regexp
+
+  pos = state.bMarks[nextLine] + state.tShift[nextLine];
+  if (pos >= state.eMarks[nextLine]) { return false; }
+
+  firstCh = state.src.charCodeAt(pos++);
+  if (firstCh !== 0x7C/* | */ && firstCh !== 0x2D/* - */ && firstCh !== 0x3A/* : */) { return false; }
+
+  if (pos >= state.eMarks[nextLine]) { return false; }
+
+  secondCh = state.src.charCodeAt(pos++);
+  if (secondCh !== 0x7C/* | */ && secondCh !== 0x2D/* - */ && secondCh !== 0x3A/* : */ && !isSpace(secondCh)) {
+    return false;
+  }
+
+  // if first character is '-', then second character must not be a space
+  // (due to parsing ambiguity with list)
+  if (firstCh === 0x2D/* - */ && isSpace(secondCh)) { return false; }
+
+  while (pos < state.eMarks[nextLine]) {
+    ch = state.src.charCodeAt(pos);
+
+    if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */ && !isSpace(ch)) { return false; }
+
+    pos++;
+  }
+
+  lineText = getLine(state, startLine + 1);
+
+  columns = lineText.split('|');
+  aligns = [];
+  for (i = 0; i < columns.length; i++) {
+    t = columns[i].trim();
+    if (!t) {
+      // allow empty columns before and after table, but not in between columns;
+      // e.g. allow ` |---| `, disallow ` ---||--- `
+      if (i === 0 || i === columns.length - 1) {
+        continue;
+      } else {
+        return false;
+      }
+    }
+
+    if (!/^:?-+:?$/.test(t)) { return false; }
+    if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {
+      aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');
+    } else if (t.charCodeAt(0) === 0x3A/* : */) {
+      aligns.push('left');
+    } else {
+      aligns.push('');
+    }
+  }
+
+  lineText = getLine(state, startLine).trim();
+  if (lineText.indexOf('|') === -1) { return false; }
+  if (state.sCount[startLine] - state.blkIndent >= 4) { return false; }
+  columns = escapedSplit(lineText);
+  if (columns.length && columns[0] === '') columns.shift();
+  if (columns.length && columns[columns.length - 1] === '') columns.pop();
+
+  // header row will define an amount of columns in the entire table,
+  // and align row should be exactly the same (the rest of the rows can differ)
+  columnCount = columns.length;
+  if (columnCount === 0 || columnCount !== aligns.length) { return false; }
+
+  if (silent) { return true; }
+
+  oldParentType = state.parentType;
+  state.parentType = 'table';
+
+  // use 'blockquote' lists for termination because it's
+  // the most similar to tables
+  terminatorRules = state.md.block.ruler.getRules('blockquote');
+
+  token     = state.push('table_open', 'table', 1);
+  token.map = tableLines = [ startLine, 0 ];
+
+  token     = state.push('thead_open', 'thead', 1);
+  token.map = [ startLine, startLine + 1 ];
+
+  token     = state.push('tr_open', 'tr', 1);
+  token.map = [ startLine, startLine + 1 ];
+
+  for (i = 0; i < columns.length; i++) {
+    token          = state.push('th_open', 'th', 1);
+    if (aligns[i]) {
+      token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];
+    }
+
+    token          = state.push('inline', '', 0);
+    token.content  = columns[i].trim();
+    token.children = [];
+
+    token          = state.push('th_close', 'th', -1);
+  }
+
+  token     = state.push('tr_close', 'tr', -1);
+  token     = state.push('thead_close', 'thead', -1);
+
+  for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
+    if (state.sCount[nextLine] < state.blkIndent) { break; }
+
+    terminate = false;
+    for (i = 0, l = terminatorRules.length; i < l; i++) {
+      if (terminatorRules[i](state, nextLine, endLine, true)) {
+        terminate = true;
+        break;
+      }
+    }
+
+    if (terminate) { break; }
+    lineText = getLine(state, nextLine).trim();
+    if (!lineText) { break; }
+    if (state.sCount[nextLine] - state.blkIndent >= 4) { break; }
+    columns = escapedSplit(lineText);
+    if (columns.length && columns[0] === '') columns.shift();
+    if (columns.length && columns[columns.length - 1] === '') columns.pop();
+
+    if (nextLine === startLine + 2) {
+      token     = state.push('tbody_open', 'tbody', 1);
+      token.map = tbodyLines = [ startLine + 2, 0 ];
+    }
+
+    token     = state.push('tr_open', 'tr', 1);
+    token.map = [ nextLine, nextLine + 1 ];
+
+    for (i = 0; i < columnCount; i++) {
+      token          = state.push('td_open', 'td', 1);
+      if (aligns[i]) {
+        token.attrs  = [ [ 'style', 'text-align:' + aligns[i] ] ];
+      }
+
+      token          = state.push('inline', '', 0);
+      token.content  = columns[i] ? columns[i].trim() : '';
+      token.children = [];
+
+      token          = state.push('td_close', 'td', -1);
+    }
+    token = state.push('tr_close', 'tr', -1);
+  }
+
+  if (tbodyLines) {
+    token = state.push('tbody_close', 'tbody', -1);
+    tbodyLines[1] = nextLine;
+  }
+
+  token = state.push('table_close', 'table', -1);
+  tableLines[1] = nextLine;
+
+  state.parentType = oldParentType;
+  state.line = nextLine;
+  return true;
+};