[developers] Self-feeding lexical rules

[Berthold Crysmann]

On Fri, 2009-08-28 at 11:58 +0200, Bart Cramer wrote:
> Hi all,
> 
> since a long time, I am getting warnings in LKB that my lexical rules
> can feed themselves, which they can't. 

The cycle check does not take the lexicon into account. That may explain
things.

> How can I prevent these
> warnings, i.e. how does the LKB check whether lexical rules can feed
> themselves?

There's a lisp variable you can set *known-cyclic-rules*. 

See e.g. lkb/globals in HaG


> 
> Thanks,
> 
> Bart.