--- trunk/back2html.pm	2005/01/18 17:17:06	637
+++ trunk/back2html.pm	2005/01/19 22:29:54	638
@@ -33,10 +33,12 @@
 	# put <a href=xxx>yyyy</a> back into html
 	sub mkurl_param($$$$) {
 		my ($a_href,$url,$text,$a_end) = @_;
-		if ($url =~ m#\?#) {
-			$url .= "&".$url_params;
-		} else {
-			$url .= "?".$url_params;
+		if ($url_params) {
+			if ($url =~ m#\?#) {
+				$url .= "&".$url_params;
+			} else {
+				$url .= "?".$url_params;
+			}
 		}
 		return '<'.$a_href.'"'.$url.'">'.$text.'<'.$a_end.'>';
 	}