--- loncom/xml/lontexconvert.pm	2003/04/19 20:32:24	1.22
+++ loncom/xml/lontexconvert.pm	2003/06/23 21:28:59	1.24
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.22 2003/04/19 20:32:24 www Exp $
+# $Id: lontexconvert.pm,v 1.24 2003/06/23 21:28:59 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -83,7 +83,7 @@ sub converted {
   my $texstring=shift;
   my $xmlstring='[UNDISPLAYABLE]';
   if ($Apache::lontexconvert::messedup) {
-      return '[Uncoverted Due To Previous Errors]';
+      return '[TeX Uncoverted Due To Previous Errors]';
   }
   eval(<<'ENDCONV');
   {
@@ -98,6 +98,8 @@ sub converted {
       $xmlstring=&tth::tth($$texstring);
       $errorstring.=&tth::ttherror();
     }
+    $xmlstring=~s/^\s*//;
+    $xmlstring=~s/\s*$//;
   }
 ENDCONV
   if ($Apache::lontexconvert::messedup || &tth::tthmessedup()) {
@@ -179,7 +181,11 @@ sub msgtexconverted {
     $message=~s/(\$.+?\$)/&to_convert($1)/gse;
     $message=~s/(\\\(.+?\\\))/&to_convert($1)/gse;
     $message=~s/(\\\[.+?\\\])/&to_convert($1)/gse;
-    return &smiley($message).$errorstring;
+    if (wantarray) {
+	return (&smiley($message),$errorstring);
+    } else {
+	return &smiley($message).$errorstring;
+    }
 }
 
 1;