[developers] Stack overflow in generator unpack-edge
crysmann at ifk.uni-bonn.de
Fri Jan 15 13:26:56 CET 2010
On Thu, 2010-01-14 at 23:38 -0800, Dan Flickinger wrote:
> Using the current SVN versions of the ERG and the LKB, I get a stack overflow error resulting from a tight self-calling loop in the generator's unpack-edge!!() when generating (with packing) from the expletive-it subject (NP-X) reading of the sentence
> It fails to rain.
> It seems that the generator may be having difficulty distinguishing the edge "to rain" from the edge "for it to rain", both of which have identical semantics.
I occasionally bump into this with semantically vacuopus triggered
items. What happens if you switch packing off? Does "it" (or "for it")
combine more than once?
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