? drupal-444228.33-D5.patch
Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.611.2.25
diff -u -p -r1.611.2.25 common.inc
--- includes/common.inc	16 Sep 2009 17:29:09 -0000	1.611.2.25
+++ includes/common.inc	3 Oct 2009 23:28:08 -0000
@@ -1675,9 +1675,9 @@ function drupal_build_css_cache($types, 
 
     // Perform some safe CSS optimizations.
     $data = preg_replace('<
-      \s*([@{}:;,]|\)\s|\s\()\s* |  # Remove whitespace around separators, but keep space around parentheses.
-      /\*([^*\\\\]|\*(?!/))+\*/ |   # Remove comments that are not CSS hacks.
-      [\n\r]                        # Remove line breaks.
+      \s*([@{}:;,]|\)\s|\s\()\s* |        # Remove whitespace around separators, but keep space around parentheses.
+      /\*[^*\\\\]*\*+([^/*][^*]*\*+)*/ |  # Remove comments that are not CSS hacks.
+      [\n\r]                              # Remove line breaks.
       >x', '\1', $data);
 
     // Create the CSS file.