--- loncom/xml/londefdef.pm	2004/08/16 17:11:10	1.232
+++ loncom/xml/londefdef.pm	2004/08/17 14:18:04	1.233
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.232 2004/08/16 17:11:10 sakharuk Exp $
+# $Id: londefdef.pm,v 1.233 2004/08/17 14:18:04 sakharuk Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -1134,13 +1134,15 @@ sub end_p {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
-	if ($align eq 'center') {		
+	if (not defined $align) {
+	    $currentstring.='\strut\\\\\strut ';
+	} elsif ($align eq 'center') {		
 	    $currentstring .= '\end{center}';
 	} elsif ($align eq 'right') {
 	    $currentstring .= '}}';
 	} elsif ($align eq 'left') {
 	    $currentstring .= '}\hfill}';
-	}
+	} 
     }
     return $currentstring;
 }