--- loncom/interface/spreadsheet/Spreadsheet.pm	2003/09/15 20:31:01	1.26
+++ loncom/interface/spreadsheet/Spreadsheet.pm	2003/09/16 15:36:32	1.27
@@ -1,5 +1,5 @@
 #
-# $Id: Spreadsheet.pm,v 1.26 2003/09/15 20:31:01 matthew Exp $
+# $Id: Spreadsheet.pm,v 1.27 2003/09/16 15:36:32 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -749,6 +749,11 @@ sub mask {
     if (($la eq '*') || ($ua eq '*')) {
         $alpha='[A-z]';
     } else {
+        if ($la gt $ua) {
+            my $tmp = $ua;
+            $ua = $la;
+            $la = $ua;
+        }
         $alpha=qq/[$la-$ua]/;
     }
     if ($ld ne '*' && $ud ne '*') {