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Postings from October 2015
On Fri, Oct 09, 2015 at 07:50:49AM -0400, Ricardo Signes wrote: > * Karl Williamson <public@khwilliamson.com> [2015-10-08T10:58:23] > > Currently it evaluates to the Unicode property 'Letter'. > > > > But I think that is the wrong thing to do. > > > > The pkg seems to me to want to force this into a user-defined property. > > Recall that by defining a subroutine, a user can create their own > > properties. The catch is that their names have to begin with 'In' or 'Is'. > > Therefore, I think that this should be a compile- or run-time failure that > > the property pkg::L is not found. > > I agree, but I wonder whether a "illegal name" wouldn't be better than "Can't > find." The fix is for the user to rename their &L (if they made one) rather > than to figure out why it can't be found. > > At any rate, acting like L is no good. Is there actually a reason why user-defined properties must start with 'In' or 'Is'? In 5.12, this requirement wasn't enforced, and it "just worked". Considering there are predefined classes starting with "In" and "Is", I can't imagine it's to prevent name clashes. AbigailThread Previous | Thread Next