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1 files changed, 53 insertions, 0 deletions

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;
+};