Index: trunk/wp-includes/taxonomy.php
===================================================================
--- trunk/wp-includes/taxonomy.php	(revision 1314)
+++ trunk/wp-includes/taxonomy.php	(working copy)
@@ -1226,6 +1226,7 @@
 	do_action("create_$taxonomy", $term_id, $tt_id);
 
 	$term_id = apply_filters('term_id_filter', $term_id, $tt_id);
+	$tt_id = apply_filters('term_taxonomy_id_filter', $tt_id, $term_id);
 
 	clean_term_cache($term_id, $taxonomy);
 
@@ -1482,6 +1483,7 @@
 	do_action("edit_$taxonomy", $term_id, $tt_id);
 
 	$term_id = apply_filters('term_id_filter', $term_id, $tt_id);
+	$tt_id = apply_filters('taxonomy_id_filter', $term_id, $tt_id);
 
 	clean_term_cache($term_id, $taxonomy);