import assertString from './util/assertString';

export default function unescape(str) {
  assertString(str);
  return (str.replace(/&amp;/g, '&')
    .replace(/&quot;/g, '"')
    .replace(/&#x27;/g, "'")
    .replace(/&lt;/g, '<')
    .replace(/&gt;/g, '>')
    .replace(/&#x2F;/g, '/')
    .replace(/&#96;/g, '`'));
}

@@ -281,16 +281,46 @@
 g, '/')%0A
+    .replace(/&#x5C;/g, '%5C%5C')%0A
     .rep

Add missing string to unescape