Ticket #20896: 20896.diff

wp-includes/post-template.php

@@ -498 +498 @@
         if ( is_user_logged_in() )
                 $classes[] = 'logged-in';
 
-        if ( is_admin_bar_showing() )
+        if ( is_admin_bar_showing() ) {
                 $classes[] = 'admin-bar';
-
+                $classes[] = 'no-customize-support';
+        }
+        
         if ( get_background_color() || get_theme_mod( 'background_image' ) || get_theme_support( 'custom-background', 'default-image' ) )
                 $classes[] = 'custom-background';