Index: wp-includes/post-template.php
===================================================================
--- wp-includes/post-template.php	(revision 4924)
+++ wp-includes/post-template.php	(working copy)
@@ -95,7 +95,7 @@
 	$output .= $teaser;
 	if ( count($content) > 1 ) {
 		if ( $more ) {
-			$output .= '<a id="more-'.$id.'"></a>'.$content[1];
+			$output .= '<span id="more-'.$id.'"></span>'.$content[1];
 		} else {
 			$output = balanceTags($output);
 			if ( ! empty($more_link_text) )