Index: date_api.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/date/date_api.module,v
retrieving revision 1.64.2.5.2.78
diff -u -p -r1.64.2.5.2.78 date_api.module
--- date_api.module	25 Mar 2009 12:04:38 -0000	1.64.2.5.2.78
+++ date_api.module	25 Apr 2009 02:30:06 -0000
@@ -1550,7 +1550,7 @@ function date_limit_format($format, $gra
   
   // After removing the non-desired parts of the format, test if the only 
   // things left are escaped, non-date, characters. If so, return nothing.
-  if (!$test = preg_replace('(\\\\\w{1})', '', $format)) {
+  if (!$test = trim(preg_replace('(\\\\\w{1})', '', $format))) {
     return '';
   }
   return $format;
@@ -2454,4 +2454,4 @@ function date_range_string($years) {
     $max = '+'. ($years[1] - $this_year);
   }
   return $min .':'. $max;
-}
\ No newline at end of file
+}