[developers] "nested unification context"

Stephan Oepen oe at ifi.uio.no
Fri May 10 09:11:17 CEST 2013

well, it shouldn't happen.

(pretty much) each unification attempt establishes a new context, which
determines the scope of which quasi-destructive modifications will be
undone, when leaving the context.

it sounds as if the problem is not trivially reproduced?  to debug, we
would need a recipe (and grammar) that (preferably reliably) triggers the
error.  any chance you could try to put that together?  i would then be
interested in debugging this issue.

best, oe

On Friday, May 10, 2013, Emily M. Bender wrote:

> Dear all,
> Several students in 567 this quarter are intermittently getting
> the following error when loading their grammars:
> Error: Entered a nested unification context - should not happen
> Any idea what this is?
> Thanks,
> Emily
> --
> Emily M. Bender
> Associate Professor
> Department of Linguistics
> Check out CLMS on facebook! http://www.facebook.com/uwclma

+++ Universitetet i Oslo (IFI); Boks 1080 Blindern; 0316 Oslo; (+47) 2284
+++    --- oe at ifi.uio.no; stephan at oepen.net; http://www.emmtee.net/oe/ ---
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