--- loncom/homework/structuretags.pm	2003/05/14 16:49:13	1.173
+++ loncom/homework/structuretags.pm	2003/05/14 18:02:56	1.174
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.173 2003/05/14 16:49:13 albertel Exp $
+# $Id: structuretags.pm,v 1.174 2003/05/14 18:02:56 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -493,7 +493,7 @@ sub end_problem {
 	    if ($target eq 'web') {
 		$result.=&Apache::lonxml::xmlend();
 	    } elsif ($target eq 'tex') {
-		$result .= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
+		$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
 		if (not $ENV{'request.symb'} =~ m/\.page_/) {
 		    $result .= '\end{minipage}\end{document} ';
 		} else {