Index: modules/taxonomy/taxonomy.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.admin.inc,v
retrieving revision 1.22.2.2
diff -u -F^function -r1.22.2.2 taxonomy.admin.inc
--- modules/taxonomy/taxonomy.admin.inc	8 Oct 2008 14:23:59 -0000	1.22.2.2
+++ modules/taxonomy/taxonomy.admin.inc	3 Jan 2009 06:28:10 -0000
@@ -172,10 +172,8 @@ function taxonomy_form_vocabulary(&$form
     '#default_value' => $edit['weight'],
     '#description' => t('Vocabularies are displayed in ascending order by weight.'),
   );
-  // Set the hierarchy to "multiple parents" by default. This simplifies the
-  // vocabulary form and standardizes the term form.
   $form['hierarchy'] = array('#type' => 'value',
-    '#value' => '0',
+    '#value' => $edit['hierarchy'],
   );
   // Enable "related terms" by default.
   $form['relations'] = array('#type' => 'value',