- Taxonomy fix by Matt.

modules/taxonomy.module

@@ -673,6 +673,9 @@ function taxonomy_get_term($tid) {
 
 function _taxonomy_term_select($title, $name, $value, $vocabulary_id, $description, $multiple, $blank, $exclude = array()) {
   $tree = taxonomy_get_tree($vocabulary_id);
+  if ($blank) {
+    $options[] = array('tid' => 0, 'name' => $blank);
+  }
   if ($tree) {
     foreach ($tree as $term) {
       if (!in_array($term->tid, $exclude)) {

modules/taxonomy/taxonomy.module

@@ -673,6 +673,9 @@ function taxonomy_get_term($tid) {
 
 function _taxonomy_term_select($title, $name, $value, $vocabulary_id, $description, $multiple, $blank, $exclude = array()) {
   $tree = taxonomy_get_tree($vocabulary_id);
+  if ($blank) {
+    $options[] = array('tid' => 0, 'name' => $blank);
+  }
   if ($tree) {
     foreach ($tree as $term) {
       if (!in_array($term->tid, $exclude)) {