[m-dev.] diff: map__lookup error message

[Tyson Richard DOWD]

> 
> > > To accomodate this, this change implements a mechanism to override 
> > > definitions of predicates for particular Prologs. This mechanism makes
> > > explicit which .no or .ql files contain preds overriding others, and so
> > > makes things a bit more robust.
> > 
> > > library/Mmakefile:
> > > 	Set new environment variables, MERCURY_NU_OVERRIDDEN_LIB_OBJS or
> > > 	MERCURY_SP_OVERRIDDEN_LIB_OBJS to be the files which are to be
> > > 	linked, but contain definitions which override others.
> > 
> > Can I suggest adding these two explanations to the Mmakefile as well?
> 
> Instead, I've added similar explanations to the scripts msl.in and mnl.in, and
> added documentation to the user guide. How does that seem?
> 

Yep, that seems reasonable.

-- 
       Tyson Dowd           # 
                            #  Surreal humour isn't eveyone's cup of
     trd at cs.mu.oz.au        #  fur.
http://www.cs.mu.oz.au/~trd #