From 10398ed299bffa7ccc32aace50dacbe1a51379a2 Mon Sep 17 00:00:00 2001
From: Marcel Greter <marcel.greter@ocbnet.ch>
Date: Sat, 20 May 2017 19:01:04 +0200
Subject: [PATCH] Fix parser for urls looking like ruleset selectors (#2376)

---
 src/prelexer.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/prelexer.cpp b/src/prelexer.cpp
index b387d4d63..8790d2c3f 100644
--- a/src/prelexer.cpp
+++ b/src/prelexer.cpp
@@ -1626,7 +1626,11 @@ namespace Sass {
                 // class match
                 exactly <'.'>,
                 // single or double colon
-                optional < pseudo_prefix >
+                sequence <
+                  optional < pseudo_prefix >,
+                  // fix libsass issue 2376
+                  negate < exactly < url_kwd > >
+                >
               >,
               // accept hypens in token
               one_plus < sequence <