/* remove/change 'says' in comments // alchymyth 2011 */
class Comment_Says_Custom_Text_Wrangler {
	function comment_says_text($translation, $text, $domain) {
	$new_says = ''; //whatever you want to have instead of 'says' in comments
    $translations = &get_translations_for_domain( $domain );
    if ( $text == '<cite class="fn">%s</cite> <span class="says">says:</span>' ) {
	   if($new_says) $new_says = ' '.$new_says; //compensate for the space character
       return $translations->translate( '<cite class="fn">%s</cite><span class="says">'.$new_says.':</span>' );
     } else {
    return $translation; // standard text
	 }  
	}
}
add_filter('gettext', array('Comment_Says_Custom_Text_Wrangler', 'comment_says_text'), 10, 4);