[WWcvs] webwork2: HEAD backport: Added a line to check for empty records.

[Sam H. v. a. <act...@de...>]

Log Message:
-----------
HEAD backport: Added a line to check for empty records.  The hope is
that this fixes bug #733 (gage)

Tags:
----
rel-2-1-patches

Modified Files:
--------------
    webwork2/lib/WeBWorK/ContentGenerator:
        Grades.pm

Revision Data
-------------
Index: Grades.pm
===================================================================
RCS file: /webwork/cvs/system/webwork2/lib/WeBWorK/ContentGenerator/Grades.pm,v
retrieving revision 1.9.2.1
retrieving revision 1.9.2.2
diff -Llib/WeBWorK/ContentGenerator/Grades.pm -Llib/WeBWorK/ContentGenerator/Grades.pm -u -r1.9.2.1 -r1.9.2.2
--- lib/WeBWorK/ContentGenerator/Grades.pm
+++ lib/WeBWorK/ContentGenerator/Grades.pm
@@ -75,7 +75,7 @@
         $line.=$delimiter;                              # add 'A' to end of line so that
                                                         # last field is never empty
         @lineArray = split(/\s*${delimiter}\s*/,$line);
-        $lineArray[0] =~s/^\s*//;                       # remove white space from first element
+        $lineArray[0] =~s/^\s*// if defined($lineArray[0]);                       # remove white space from first element
         @lineArray;
 }