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Re: Strange change in backquote expansion


From: Andreas Schwab
Subject: Re: Strange change in backquote expansion
Date: Sun, 19 Aug 2007 18:11:08 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

Richard Stallman <address@hidden> writes:

>       ``(,,@(list (list arg))))
>
> I don't think that is a meaningful expression.  ,@ is supposed to be
> used inside of a list, to cause appending into that list.  Using it
> after a comma means it isn't in any visible list.

If you consider ,a <=> (\, a) then it actually makes sense.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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