From 3c1ef743a036915e2fab180af44edfd45a8053ad Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 31 Jan 2021 22:03:55 -0800
Subject: [PATCH] Fix link label normalization with backslash before newline.

Close #211.
---
 .eslintrc           |  2 +-
 lib/inlines.js      |  2 +-
 test/regression.txt | 13 +++++++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/.eslintrc b/.eslintrc
index 7845cd43..94517992 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -5,7 +5,7 @@
   },
   "parserOptions": {
     "sourceType": "module",
-    "ecmaVersion": 2015
+    "ecmaVersion": 2018
   },
   "rules": {
     "no-unused-vars": [
diff --git a/lib/inlines.js b/lib/inlines.js
index d2526cef..21a0d685 100644
--- a/lib/inlines.js
+++ b/lib/inlines.js
@@ -83,7 +83,7 @@ var reInitialSpace = /^ */;
 
 var reSpaceAtEndOfLine = /^ *(?:\n|$)/;
 
-var reLinkLabel = /^\[(?:[^\\\[\]]|\\.){0,1000}\]/;
+var reLinkLabel = /^\[(?:[^\\\[\]]|\\.){0,1000}\]/s;
 
 // Matches a string of non-special characters.
 var reMain = /^[^\n`\[\]\\!<&*_'"]+/m;
diff --git a/test/regression.txt b/test/regression.txt
index aeaf5973..f3ef5d4b 100644
--- a/test/regression.txt
+++ b/test/regression.txt
@@ -175,3 +175,16 @@ a <?
 <p>a <?
 ?></p>
 ````````````````````````````````
+
+Issue #211
+
+```````````````````````````````` example
+[\
+foo]: /uri
+
+[\
+foo]
+.
+<p><a href="/uri"><br />
+foo</a></p>
+````````````````````````````````