[m-dev.] For review: Make Mercury cope with impure code (part 2/2)

[Fergus Henderson]

Christopher Rodd SPEIRS, you wrote:
> Hi,
> 	I was just wondering if I use an impure predicate for a user
> defined equality predicate.  Is it allowed?  If so, is it handled
> properly?

A good question.  Fortunately it is one that Peter and I already
considered.  The answers are "No" and "Yes" respectively.

-- 
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