--- loncom/xml/londefdef.pm	2002/08/01 19:47:29	1.82
+++ loncom/xml/londefdef.pm	2002/08/05 15:36:44	1.83
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.82 2002/08/01 19:47:29 sakharuk Exp $
+# $Id: londefdef.pm,v 1.83 2002/08/05 15:36:44 sakharuk Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -91,7 +91,7 @@ sub start_m {
     #&Apache::lonxml::debug("M is ends with:$currentstring:");
   } elsif ($target eq 'tex') {
     $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
-    if ($currentstring=~/\s*\\\\\s*/) {$currentstring = ' \vskip 0 mm ';}
+    if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
   } else {
     my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
   }