Ticket #8619: sub_category_w_spaces_take_2.8619.diff

wp-includes/query.php

@@ -1811 +1811 @@
 
                 // Category stuff for nice URLs
                 if ( '' != $q['category_name'] && !$this->is_singular ) {
+                        $q['category_name'] = implode('/', array_map('sanitize_title', explode('/', $q['category_name'])));
                         $reqcat = get_category_by_path($q['category_name']);
                         $q['category_name'] = str_replace('%2F', '/', urlencode(urldecode($q['category_name'])));
                         $cat_paths = '/' . trim($q['category_name'], '/');