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Re: To be a list or not


From: Andreas Schwab
Subject: Re: To be a list or not
Date: Mon, 31 Dec 2007 18:13:26 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

Tom Tromey <address@hidden> writes:

>>>>>> "Andreas" == Andreas Schwab <address@hidden> writes:
>
> Andreas> Tom Tromey <address@hidden> writes:
> Andreas> +  return tail == Qnil ? Qt : Qnil;
> Andreas>             NILP (tail)
>
> Thanks, I didn't know about that.  BTW I see a number of EQ(...,Qnil)
> comparisons in the current code.

The latter is ok, but x == Qnil will fail when Lisp_Object is a union.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."




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