Joe Groff 34b29af245 non-polymorphic input parameter check was too strict: wouldn't allow ( x -- ) for ( x x -- x ), for example		2010-03-09 15:57:00 -08:00
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row-polymorphism.factor	non-polymorphic input parameter check was too strict: wouldn't allow ( x -- ) for ( x x -- x ), for example	2010-03-09 15:57:00 -08:00