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4 files changed, 188 insertions, 0 deletions

diff --git a/node_modules/markdown-it/lib/helpers/index.js b/node_modules/markdown-it/lib/helpers/index.js
new file mode 100644
index 00000000..bfdbfa20
--- /dev/null
+++ b/node_modules/markdown-it/lib/helpers/index.js
@@ -0,0 +1,7 @@
+// Just a shortcut for bulk export
+'use strict';
+
+
+exports.parseLinkLabel       = require('./parse_link_label');
+exports.parseLinkDestination = require('./parse_link_destination');
+exports.parseLinkTitle       = require('./parse_link_title');
diff --git a/node_modules/markdown-it/lib/helpers/parse_link_destination.js b/node_modules/markdown-it/lib/helpers/parse_link_destination.js
new file mode 100644
index 00000000..a3030bb9
--- /dev/null
+++ b/node_modules/markdown-it/lib/helpers/parse_link_destination.js
@@ -0,0 +1,80 @@
+// Parse link destination
+//
+'use strict';
+
+
+var isSpace     = require('../common/utils').isSpace;
+var unescapeAll = require('../common/utils').unescapeAll;
+
+
+module.exports = function parseLinkDestination(str, pos, max) {
+  var code, level,
+      lines = 0,
+      start = pos,
+      result = {
+        ok: false,
+        pos: 0,
+        lines: 0,
+        str: ''
+      };
+
+  if (str.charCodeAt(pos) === 0x3C /* < */) {
+    pos++;
+    while (pos < max) {
+      code = str.charCodeAt(pos);
+      if (code === 0x0A /* \n */ || isSpace(code)) { return result; }
+      if (code === 0x3E /* > */) {
+        result.pos = pos + 1;
+        result.str = unescapeAll(str.slice(start + 1, pos));
+        result.ok = true;
+        return result;
+      }
+      if (code === 0x5C /* \ */ && pos + 1 < max) {
+        pos += 2;
+        continue;
+      }
+
+      pos++;
+    }
+
+    // no closing '>'
+    return result;
+  }
+
+  // this should be ... } else { ... branch
+
+  level = 0;
+  while (pos < max) {
+    code = str.charCodeAt(pos);
+
+    if (code === 0x20) { break; }
+
+    // ascii control characters
+    if (code < 0x20 || code === 0x7F) { break; }
+
+    if (code === 0x5C /* \ */ && pos + 1 < max) {
+      pos += 2;
+      continue;
+    }
+
+    if (code === 0x28 /* ( */) {
+      level++;
+    }
+
+    if (code === 0x29 /* ) */) {
+      if (level === 0) { break; }
+      level--;
+    }
+
+    pos++;
+  }
+
+  if (start === pos) { return result; }
+  if (level !== 0) { return result; }
+
+  result.str = unescapeAll(str.slice(start, pos));
+  result.lines = lines;
+  result.pos = pos;
+  result.ok = true;
+  return result;
+};
diff --git a/node_modules/markdown-it/lib/helpers/parse_link_label.js b/node_modules/markdown-it/lib/helpers/parse_link_label.js
new file mode 100644
index 00000000..5a450fd6
--- /dev/null
+++ b/node_modules/markdown-it/lib/helpers/parse_link_label.js
@@ -0,0 +1,48 @@
+// Parse link label
+//
+// this function assumes that first character ("[") already matches;
+// returns the end of the label
+//
+'use strict';
+
+module.exports = function parseLinkLabel(state, start, disableNested) {
+  var level, found, marker, prevPos,
+      labelEnd = -1,
+      max = state.posMax,
+      oldPos = state.pos;
+
+  state.pos = start + 1;
+  level = 1;
+
+  while (state.pos < max) {
+    marker = state.src.charCodeAt(state.pos);
+    if (marker === 0x5D /* ] */) {
+      level--;
+      if (level === 0) {
+        found = true;
+        break;
+      }
+    }
+
+    prevPos = state.pos;
+    state.md.inline.skipToken(state);
+    if (marker === 0x5B /* [ */) {
+      if (prevPos === state.pos - 1) {
+        // increase level if we find text `[`, which is not a part of any token
+        level++;
+      } else if (disableNested) {
+        state.pos = oldPos;
+        return -1;
+      }
+    }
+  }
+
+  if (found) {
+    labelEnd = state.pos;
+  }
+
+  // restore old state
+  state.pos = oldPos;
+
+  return labelEnd;
+};
diff --git a/node_modules/markdown-it/lib/helpers/parse_link_title.js b/node_modules/markdown-it/lib/helpers/parse_link_title.js
new file mode 100644
index 00000000..0d66d23d
--- /dev/null
+++ b/node_modules/markdown-it/lib/helpers/parse_link_title.js
@@ -0,0 +1,53 @@
+// Parse link title
+//
+'use strict';
+
+
+var unescapeAll = require('../common/utils').unescapeAll;
+
+
+module.exports = function parseLinkTitle(str, pos, max) {
+  var code,
+      marker,
+      lines = 0,
+      start = pos,
+      result = {
+        ok: false,
+        pos: 0,
+        lines: 0,
+        str: ''
+      };
+
+  if (pos >= max) { return result; }
+
+  marker = str.charCodeAt(pos);
+
+  if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return result; }
+
+  pos++;
+
+  // if opening marker is "(", switch it to closing marker ")"
+  if (marker === 0x28) { marker = 0x29; }
+
+  while (pos < max) {
+    code = str.charCodeAt(pos);
+    if (code === marker) {
+      result.pos = pos + 1;
+      result.lines = lines;
+      result.str = unescapeAll(str.slice(start + 1, pos));
+      result.ok = true;
+      return result;
+    } else if (code === 0x0A) {
+      lines++;
+    } else if (code === 0x5C /* \ */ && pos + 1 < max) {
+      pos++;
+      if (str.charCodeAt(pos) === 0x0A) {
+        lines++;
+      }
+    }
+
+    pos++;
+  }
+
+  return result;
+};