Index: similar.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/similar/similar.module,v
retrieving revision 1.7
diff -u -p -r1.7 similar.module
--- similar.module	27 Nov 2006 16:06:51 -0000	1.7
+++ similar.module	7 Feb 2007 11:59:45 -0000
@@ -121,7 +121,7 @@ function similar_block($op = 'list', $de
             $block['subject'] = t('Similar entries');
             // The content of the block is typically generated by calling a custom
             // function.
-            $block['content'] = _similar_content($node);
+            $block['content'] = theme('similar_content', $node);
         }
       }
       return empty($block['content']) ? '' : $block;
@@ -194,7 +194,7 @@ function _similar_force_int(&$item) {
  * @param object $node
  * @return string
  */
-function _similar_content($node) {
+function theme_similar_content($node) {
   $items = array();
 
   $text = $node->title . ' ' . $node->body;