Index: bookmark-template.php
===================================================================
--- bookmark-template.php	(revision 5807)
+++ bookmark-template.php	(working copy)
@@ -333,7 +333,11 @@
 
 	if ( $categorize ) {
 		//Split the bookmarks into ul's for each category
-		$cats = get_terms('link_category', "category_name=$category_name&include=$category&orderby=$category_orderby&order=$category_order&hierarchical=0");
+		if ($category_name == '') { # if empty, display all links
+			$cats = get_terms('link_category', 'get=all');
+		} else {
+			$cats = get_terms('link_category', "category_name=$category_name&include=$category&orderby=$category_orderby&order=$category_order&hierarchical=0");
+		}
 
 		foreach ( (array) $cats as $cat ) {
 			$params = array_merge($r, array('category'=>$cat->term_id));