Ticket #16677: 16677.patch

category-template.php

@@ -334 +334 @@
                 $tab_index_attribute = " tabindex=\"$tab_index\"";
 
         $categories = get_terms( $taxonomy, $r );
-        $name = esc_attr( $name );
+        $name = ( $taxonomy = 'category' ) ? $taxonomy : esc_attr( $name );
         $class = esc_attr( $class );
         $id = $id ? esc_attr( $id ) : $name;