Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.598
diff -u -p -r1.598 common.inc
--- includes/common.inc	10 Dec 2006 20:34:02 -0000	1.598
+++ includes/common.inc	11 Dec 2006 07:58:54 -0000
@@ -1503,7 +1503,6 @@ function drupal_build_css_cache($types, 
 
     // Perform some safe CSS optimizations.
     $data = preg_replace('<
-      \s*([@{}:;\)])\s* |          # Remove whitespace around separators.
       /\*([^*\\\\]|\*(?!/))+\*/ |  # Remove comments that are not CSS hacks.
       [\n\r]                       # Remove line breaks.
       >x', '\1', $data);