[WWcvs] pg: Use a default for the zeroLevelTol set in the current context.

[dpvc v. a. <we...@ma...>]

Log Message:
-----------
Use a default for the zeroLevelTol set in the current context.

Modified Files:
--------------
    pg/macros:
        extraAnswerEvaluators.pl

Revision Data
-------------
Index: extraAnswerEvaluators.pl
===================================================================
RCS file: /webwork/cvs/system/pg/macros/extraAnswerEvaluators.pl,v
retrieving revision 1.11
retrieving revision 1.12
diff -Lmacros/extraAnswerEvaluators.pl -Lmacros/extraAnswerEvaluators.pl -u -r1.11 -r1.12
--- macros/extraAnswerEvaluators.pl
+++ macros/extraAnswerEvaluators.pl
@@ -207,7 +207,7 @@
 	}
 	$context->flags->set(
 		zeroLevel => $options{zeroLevel},
-		zeroLevelTol => $options{zeroLevelTol},
+		zeroLevelTol => $options{zeroLevelTol} || $main::numZeroLevelTolDefault,
 		);
 	$context->{format}{number} = $options{'format'} || $main::numFormatDefault;
 	return($context);