I think it has proven out pretty well in practice that probably want both in the surface language. I know minimalists on the TF side of the debate have tried to make the case that you don't even need FDs in the surface syntax, but there are lots of places where it having a class with multiple directional constraints makes the code much, much more sane.
I would be loathe to sacrifice either of them. -Edward On Tue, Nov 27, 2012 at 12:11 PM, Brandon Allbery <allber...@gmail.com>wrote: > uestion yet? I thought MPTC was not considered usable without one of > those, and neither is yet considered standard (with some good reason in the > case of FDs). >
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