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Revision 3869

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Author: dpvc
Date: Sat Dec 31 14:57:39 2005 UTC (13 years, 10 months ago)
Log Message:
Added a new flag that controls how a list with a single entry that is
a list is handled.  In the past, the student could not specify such an
item, but now the default is to form a list with a single entry that
is a list, provided the student has used parens explicitly around his
list.  So "1,2" will be a list with two items and "(1,2)" will be a
list with one item (a list).  This improves the ability to use the
list checker for lists of arbitrary pairs (like "(1,max)") especially
when you want to check for lists of these (e.g., "(1,max),(2,min)"),
since otherwise a single pair "(1,max)" entered by the student would
become the list "1,max" rather than the list containing the single

If you really want "(1,max)" to become the list "1,max", use


to prevent single lists from forming a list of a single item.

Changed paths:

Path Details
Directorytrunk/pg/lib/Value/AnswerChecker.pm modified , text changed

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