Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.493
diff -u -p -r1.493 form.inc
--- includes/form.inc	16 Sep 2010 20:14:49 -0000	1.493
+++ includes/form.inc	19 Sep 2010 03:00:10 -0000
@@ -2610,21 +2610,20 @@ function weight_value(&$form) {
 function form_process_radios($element) {
   if (count($element['#options']) > 0) {
     foreach ($element['#options'] as $key => $choice) {
-      if (!isset($element[$key])) {
-        // Generate the parents as the autogenerator does, so we will have a
-        // unique id for each radio button.
-        $parents_for_id = array_merge($element['#parents'], array($key));
-        $element[$key] = array(
-          '#type' => 'radio',
-          '#title' => $choice,
-          '#return_value' => check_plain($key),
-          '#default_value' => isset($element['#default_value']) ? $element['#default_value'] : NULL,
-          '#attributes' => $element['#attributes'],
-          '#parents' => $element['#parents'],
-          '#id' => drupal_html_id('edit-' . implode('-', $parents_for_id)),
-          '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
-        );
-      }
+      $element += array($key => array());
+      // Generate the parents as the autogenerator does, so we will have a
+      // unique id for each radio button.
+      $parents_for_id = array_merge($element['#parents'], array($key));
+      $element[$key] += array(
+        '#type' => 'radio',
+        '#title' => $choice,
+        '#return_value' => check_plain($key),
+        '#default_value' => isset($element['#default_value']) ? $element['#default_value'] : NULL,
+        '#attributes' => $element['#attributes'],
+        '#parents' => $element['#parents'],
+        '#id' => drupal_html_id('edit-' . implode('-', $parents_for_id)),
+        '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
+      );
     }
   }
   return $element;
@@ -2708,17 +2707,16 @@ function form_process_checkboxes($elemen
       $element['#default_value'] = array();
     }
     foreach ($element['#options'] as $key => $choice) {
-      if (!isset($element[$key])) {
-        $element[$key] = array(
-          '#type' => 'checkbox',
-          '#processed' => TRUE,
-          '#title' => $choice,
-          '#return_value' => $key,
-          '#default_value' => isset($value[$key]) ? $key : NULL,
-          '#attributes' => $element['#attributes'],
-          '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
-        );
-      }
+      $element += array($key => array());
+      $element[$key] += array(
+        '#type' => 'checkbox',
+        '#processed' => TRUE,
+        '#title' => $choice,
+        '#return_value' => $key,
+        '#default_value' => isset($value[$key]) ? $key : NULL,
+        '#attributes' => $element['#attributes'],
+        '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
+      );
     }
   }
   return $element;