Index: link.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/link/link.module,v
retrieving revision 1.24.2.30
diff -u -r1.24.2.30 link.module
--- link.module	14 Oct 2008 17:54:07 -0000	1.24.2.30
+++ link.module	31 Oct 2008 16:46:06 -0000
@@ -547,7 +547,7 @@
  * Theme function for 'plain' text field formatter.
  */
 function theme_link_formatter_plain($element) {
-  return empty($element['#item']['url']) ? check_plain($element['#item']['title']) : check_plain($element['#item']['url']);
+  return empty($element['#item']['url']) ? check_plain($element['#item']['title']) : url($element['#item']['url'], $element['#item']);
 }
 
 /**