Index: taxonomy.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.module,v
retrieving revision 1.329
diff -u -F^f -r1.329 taxonomy.module
--- taxonomy.module	20 Dec 2006 10:32:16 -0000	1.329
+++ taxonomy.module	8 Jan 2007 21:54:44 -0000
@@ -619,7 +619,7 @@ function taxonomy_form_all($free_tags = 
   foreach ($vocabularies as $vid => $vocabulary) {
     if ($vocabulary->tags && !$free_tags) { continue; }
     $tree = taxonomy_get_tree($vid);
-    if ($tree && (count($tree) > 1)) {
+    if ($tree) {
       $options[$vocabulary->name] = array();
       foreach ($tree as $term) {
         $options[$vocabulary->name][$term->tid] = str_repeat('-', $term->depth) . $term->name;