Ticket #1914: 1914.diff

src/wp-includes/link-template.php

@@ -412 +412 @@
 
                 if ( ! $leavename )
                         $link = str_replace( '%postname%', $name, $link );
+        } elseif ( $wp_rewrite->using_permalinks() && ! $leavename ) {
+                $link = home_url( user_trailingslashit( $post->post_name ) );
         }
 
         if ( ! $link )