--- loncom/interface/Attic/lonspreadsheet.pm	2002/11/21 19:05:18	1.146
+++ loncom/interface/Attic/lonspreadsheet.pm	2002/11/21 19:26:34	1.147
@@ -1,5 +1,5 @@
 #
-# $Id: lonspreadsheet.pm,v 1.146 2002/11/21 19:05:18 matthew Exp $
+# $Id: lonspreadsheet.pm,v 1.147 2002/11/21 19:26:34 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2316,7 +2316,8 @@ sub updatestudentassesssheet {
     $sheet->{'maxrow'} = 0;
     my %existing=();
     # Now obsolete rows
-    while (my ($cell, $formula) = each (%f)) {
+    foreach my $cell (keys(%f)) {
+        my $formula = $f{$cell};
         next if ($cell !~ /^A(\d+)/);
         $sheet->{'maxrow'} = $1 if ($1 > $sheet->{'maxrow'});
         my ($usy,$ufn)=split(/__&&&\__/,$formula);