Ticket #14201: no-ascii-category-base.diff

wp-includes/canonical.php

@@ -156 +156 @@
 
                         $obj = $wp_query->get_queried_object();
 
-                        if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) ) && !is_wp_error($tax_url) ) {
-
+                        if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) )
+                                        && !is_wp_error($tax_url) && $redirect['query'] ) {
                                 if ( is_category() ) {
                                         $redirect['query'] = remove_query_arg( array( 'category_name', 'category', 'cat'), $redirect['query']);
                                 } elseif ( is_tag() ) {