From cede389627a21aa846217c4996ad9d4f6e8bd481 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 17 Mar 2019 10:37:55 -0700
Subject: [PATCH] Disallow unescaped ( in parenthesized link title.

---
 lib/inlines.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/inlines.js b/lib/inlines.js
index 843bd5b6..f9953d60 100644
--- a/lib/inlines.js
+++ b/lib/inlines.js
@@ -43,7 +43,7 @@ var reLinkTitle = new RegExp(
         '|' +
         '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
         '|' +
-        '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');
+        '\\((' + ESCAPED_CHAR + '|[^()\\x00])*\\))');
 
 var reLinkDestinationBraces = /^(?:<(?:[^<>\n\\\x00]|\\.)*>)/;