Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.54
diff -u -p -r1.54 form.inc
--- includes/form.inc	19 Jan 2006 17:53:53 -0000	1.54
+++ includes/form.inc	22 Jan 2006 09:11:58 -0000
@@ -678,6 +678,18 @@ function checkboxes_value(&$form) {
 }
 
 /**
+ * If no default value is set for weight select boxes, use 0.
+ */
+function weight_value(&$form) {
+  if (isset($form['#default_value'])) {
+    $form['#value'] = $form['#default_value'];
+  }
+  else {
+    $form['#value'] = 0;
+  }
+}
+
+/**
  * Roll out a single radios element to a list of radios,
  * using the options array as index.
  */