Index: includes/common.inc
===================================================================
--- includes/common.inc	(revision 5)
+++ includes/common.inc	(working copy)
@@ -2622,8 +2622,7 @@
     // Perform some safe CSS optimizations.
     $contents = 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.
+      /\*([^*\\\\]|\*(?!/))+\*/    # Remove comments that are not CSS hacks.
       >x', '\1', $contents);
   }
   return $contents;