From 00e7efc01bcd6d5698bc2faabc1003bc5dd999b4 Mon Sep 17 00:00:00 2001
From: David Rothstein <drothstein@gmail.com>
Date: Mon, 4 May 2015 18:59:58 -0400
Subject: Issue #2014851 by hlieberman, Wim Leers, bradjones1, markcarver:
 Drupal CSS preprocessing breaks protocol-relative paths

---
 includes/common.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'includes')

diff --git a/includes/common.inc b/includes/common.inc
index 0437ec1a4..a80792e32 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -3802,7 +3802,7 @@ function drupal_load_stylesheet_content($contents, $optimize = FALSE) {
 
   // Replaces @import commands with the actual stylesheet content.
   // This happens recursively but omits external files.
-  $contents = preg_replace_callback('/@import\s*(?:url\(\s*)?[\'"]?(?![a-z]+:)([^\'"\()]+)[\'"]?\s*\)?\s*;/', '_drupal_load_stylesheet', $contents);
+  $contents = preg_replace_callback('/@import\s*(?:url\(\s*)?[\'"]?(?![a-z]+:)(?!\/\/)([^\'"\()]+)[\'"]?\s*\)?\s*;/', '_drupal_load_stylesheet', $contents);
   return $contents;
 }
 
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