--- loncom/interface/statistics/lonstudentassessment.pm	2003/09/03 18:23:10	1.66
+++ loncom/interface/statistics/lonstudentassessment.pm	2003/09/10 15:06:34	1.67
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstudentassessment.pm,v 1.66 2003/09/03 18:23:10 matthew Exp $
+# $Id: lonstudentassessment.pm,v 1.67 2003/09/10 15:06:34 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -931,9 +931,7 @@ END
     #
     # Add a worksheet
     my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
-    if (length($sheetname) > 31) {
-        $sheetname = substr($sheetname,0,31);
-    }
+    $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
     $excel_sheet = $excel_workbook->addworksheet($sheetname);
     #
     # Put the course description in the header
@@ -1514,6 +1512,7 @@ sub StudentPerformanceOnSequence {
             my $awarded = 0;
             if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
                 $awarded = $resource_data->{'resource.'.$part.'.awarded'};
+                $awarded = 0 if (! $awarded);
             }
             #
             $partscore = $weight*$awarded;