--- loncom/xml/lontexconvert.pm	2003/02/14 19:35:55	1.16
+++ loncom/xml/lontexconvert.pm	2003/02/25 22:50:11	1.17
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.16 2003/02/14 19:35:55 www Exp $
+# $Id: lontexconvert.pm,v 1.17 2003/02/25 22:50:11 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -123,6 +123,7 @@ sub to_convert {
 sub msgtexconverted {
     my $message=shift;
 
+    $errorstring='';
     if ($ENV{'browser.mathml'}) {
 	&tth::ttminit();
 	if ($ENV{'browser.unicode'}) {