Stuart Johnston - 2003-01-08

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I've added a fix in CVS. I don't know the code well enough
to be sure that it is perfect but it seems to work fine.
See student_eval.cgi r1.2.
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/webeval/webeval/cgi-bin/student_eval.cgi.diff?r1=1.1&r2=1.2