Index: general-template.php
===================================================================
--- general-template.php	(revision 46288)
+++ general-template.php	(working copy)
@@ -1022,10 +1022,11 @@
  *
  * @global int $page  Page number of a single post.
  * @global int $paged Page number of a list of posts.
- *
+ * 
+ * @param string $sep 
  * @return string Tag with the document title.
  */
-function wp_get_document_title() {
+function wp_get_document_title($sep = '-') {
 
 	/**
 	 * Filters the document title before it is generated.
@@ -1116,7 +1117,7 @@
 	 *
 	 * @param string $sep Document title separator. Default '-'.
 	 */
-	$sep = apply_filters( 'document_title_separator', '-' );
+	$sep = apply_filters( 'document_title_separator', $sep );
 
 	/**
 	 * Filters the parts of the document title.