--- loncom/xml/londefdef.pm	2007/06/26 01:20:35	1.370
+++ loncom/xml/londefdef.pm	2007/06/26 01:36:48	1.371
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.370 2007/06/26 01:20:35 albertel Exp $
+# $Id: londefdef.pm,v 1.371 2007/06/26 01:36:48 albertel Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -2258,6 +2258,9 @@ sub end_table {
 	for (my $i=0;$i<=$#fwidth;$i++) {  
 	    $current+=$fwidth[$i];
 	}
+	if ($current == 0) {
+            $current = $Apache::londefdef::table[-1]{'width'};
+        }
 	my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
 	for (my $i=0;$i<=$#fwidth;$i++) {  
 	    $fwidth[$i]*=$coef;