David A. Wheeler scripsit:

> 3. It has trouble with "." as the last *content* of a list. Which
> means that '. works, but (quote .) doesn't.  That's weird, I think
> '. and (quote .) should mean exactly the same thing.  Anybody who uses
> "." as a variable name should be taken out and shot, but we should *try*
> to be general, and we need '. at least to self-implement.  Actually,
> we inherit this limitation from the SRFI-105 implementation; I think
> we should fix this, and post a fix in the SRFI-105 mailing list.
> Such a change would accept: (.) and (quote .) for example.  But maybe
> I'm wrong; certainly (.) is not a common construct.

I say, don't spend a single moment getting that to work.  If anyone wants
such an identifier, |.| will do perfectly well for them, and nothing else
can be even vaguely portable.  I expect systems that treat . as an identifier
do so because it falls out of some more general behavior, not because their
implementers think it's a significant special case.

-- 
John Cowan    co...@ccil.org    http://ccil.org/~cowan
Objective consideration of contemporary phenomena compel the conclusion
that optimum or inadequate performance in the trend of competitive
activities exhibits no tendency to be commensurate with innate capacity,
but that a considerable element of the unpredictable must invariably be
taken into account. --Ecclesiastes 9:11, Orwell/Brown version

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