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Index: modules/field/modules/text/text.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/field/modules/text/text.module,v
retrieving revision 1.65
diff -u -p -r1.65 text.module
--- modules/field/modules/text/text.module	18 Sep 2010 02:18:35 -0000	1.65
+++ modules/field/modules/text/text.module	13 Oct 2010 18:08:23 -0000
@@ -171,7 +171,12 @@ function text_field_load($entity_type, $
  */
 function text_field_is_empty($item, $field) {
   if (empty($item['value']) && (string) $item['value'] !== '0') {
-    return TRUE;
+    if ($field['type'] == 'text_with_summary') {
+       return (empty($item['summary']) && (string)$item['summary'] !== '0');
+    }
+    else {
+      return TRUE;
+    }
   }
   return FALSE;
 }