From fdec037a569c9f06592dd17304b07640365573b7 Mon Sep 17 00:00:00 2001
From: Josh Goebel <me@joshgoebel.com>
Date: Wed, 2 Dec 2020 14:06:23 -0500
Subject: [PATCH] fix(asciidoc) fix poly backtracking issue

---
 src/languages/asciidoc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/languages/asciidoc.js b/src/languages/asciidoc.js
index e24b5194a0..5d4df1a450 100644
--- a/src/languages/asciidoc.js
+++ b/src/languages/asciidoc.js
@@ -172,7 +172,7 @@ export default function(hljs) {
       },
       // images and links
       {
-        begin: '(link:)?(http|https|ftp|file|irc|image:?):\\S+\\[.*?\\]',
+        begin: '(link:)?(http|https|ftp|file|irc|image:?):\\S+?\\[[^[]*?\\]',
         returnBegin: true,
         contains: [
           {