Don't linkify content of html <a> tags

lib/rules_typographer/linkify.js

@@ -21,15 +21,25 @@ var autolinker = new Autolinker({
   }
 });
 
+function isLinkOpen(str) {
+  return /^<a[>\s]/i.test(str);
+}
+function isLinkClose(str) {
+  return /^<\/a\s*>/i.test(str);
+}
+
 
 module.exports = function linkify(t, state) {
   var i, token, text, nodes, ln, pos, level,
+      htmlLinkLevel = 0,
       tokens = state.tokens;
 
+  // We scan from the end, to keep position when new tags added.
+  // Use reversed logic in links start/end match
   for (i = tokens.length - 1; i >= 0; i--) {
     token = tokens[i];
 
-    // Skip content of links
+    // Skip content of markdown links
     if (token.type === 'link_close') {
       i--;
       while (tokens[i].type !== 'link_open' && tokens[i].level !== token.level) {
@@ -39,6 +49,17 @@ module.exports = function linkify(t, state) {
       continue;
     }
 
+    // Skip content of html tag links
+    if (token.type === 'htmltag') {
+      if (isLinkOpen(token.content) && htmlLinkLevel > 0) {
+        htmlLinkLevel--;
+      }
+      if (isLinkClose(token.content)) {
+        htmlLinkLevel++;
+      }
+    }
+    if (htmlLinkLevel > 0) { continue; }
+
     if (token.type === 'text' &&
         (token.content.indexOf('://') ||
          token.content.indexOf('www'))) {

test/fixtures/remarkable/linkify.txt

@@ -4,8 +4,28 @@ url http://www.youtube.com/watch?v=5Jt5GEr4AYg.
 .
 <p>url <a href="http://www.youtube.com/watch?v=5Jt5GEr4AYg">http://www.youtube.com/watch?v=5Jt5GEr4AYg</a>.</p>
 .
+
+
+don't touch text in links
 .
-don't touch text in links <https://example.com>
+[https://example.com](https://example.com)
 .
-<p>don't touch text in links <a href="https://example.com">https://example.com</a></p>
+<p><a href="https://example.com">https://example.com</a></p>
 .
+
+
+don't touch text in autolinks
+.
+<https://example.com>
+.
+<p><a href="https://example.com">https://example.com</a></p>
+.
+
+
+don't touch text in html <a> tags
+.
+<a href="https://example.com">https://example.com</a>
+.
+<p><a href="https://example.com">https://example.com</a></p>
+.
+

test/remarkable.js

@@ -6,11 +6,12 @@ var path = require('path');
 
 
 var utils = require('./utils');
-var Remarked = require('../');
+var Remarkable = require('../');
 
 
 describe('Default', function () {
-  var md = new Remarked({
+  var md = new Remarkable({
+    html: true,
     langPrefix: '',
     typographer: true,
     linkify: true