Index: conditional_styles.theme.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/conditional_styles/conditional_styles.theme.inc,v
retrieving revision 1.6
diff -u -p -r1.6 conditional_styles.theme.inc
--- conditional_styles.theme.inc	24 Aug 2009 08:57:32 -0000	1.6
+++ conditional_styles.theme.inc	17 Sep 2009 15:59:56 -0000
@@ -85,7 +85,14 @@ function _conditional_styles_theme($exis
             }
           }
           if ($output) {
-            $conditional_styles .= "<!--[$condition]>\n$output<![endif]-->\n";
+            // Determine which style of conditional comments to use.
+            // (downlevel-hidden or downlevel revealed.)
+            if ($condition[3] == '!') {
+              $conditional_styles .= "<!--[$condition]><!-->\n$output<!--<![endif]-->\n";
+            }
+            else {
+              $conditional_styles .= "<!--[$condition]>\n$output<![endif]-->\n";
+            }
           }
         }
       }