Ticket #8446: post-template.php.diff

wp-includes/post-template.php

@@ -319 +319 @@
         foreach ( (array) get_the_category($post->ID) as $cat ) {
                 if ( empty($cat->slug ) )
                         continue;
-                $classes[] = 'category-' . $cat->slug;
+                $classes[] = 'category-' . $cat->term_id;
         }
 
         // Tags
         foreach ( (array) get_the_tags($post->ID) as $tag ) {
                 if ( empty($tag->slug ) )
                         continue;
-                $classes[] = 'tag-' . $tag->slug;
+                $classes[] = 'tag-' . $tag->term_id;
         }
 
         if ( !empty($class) ) {