[m-dev.] diff: add fst/snd to library

[Fergus Henderson]

On 20-Aug-1999, Peter Ross <petdr at cs.mu.OZ.AU> wrote:
> 
> library/std_util.m:
>     Add functional and logical versions of fst and snd for the pair data
>     structure.

I suggest the following changes:
	s/functional and logical/function and predicate/
	s/fst/first/g
	s/snd/second/g

Also, this change is a change to the user-visible library interface,
so it should be mentioned in the NEWS file.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3        |     -- the last words of T. S. Garp.
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