[m-dev.] for review: rewrite of duplicate elimination.

[Tyson Dowd]

On 22-Dec-1997, Zoltan Somogyi <zs at cs.mu.oz.au> wrote:
> 
> Estimated hours taken: 20
> 
> Give duplicate code elimination more teeth in dealing with similar arguments
> of difference function symbols.

I'll review this one.

-- 
       Tyson Dowd           # If I'm unusually agressive in this email, it's
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