From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Drew Adams" <drew.adams@oracle.com>
Cc: emacs-devel@gnu.org
Subject: Re: Should nil COLLECTION element mean a "nil" candidate for completing-read? Alist doc.
Date: Tue, 21 Jul 2009 11:55:54 -0400 [thread overview]
Message-ID: <jwvws629gol.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <6878F4119A994982A06767B5C83E92DB@us.oracle.com> (Drew Adams's message of "Tue, 21 Jul 2009 07:51:02 -0700")
> What does that mean? Are you simply saying "don't do that" - users
> must ensure that there are no nil elements in the COLLECTION arg?
Yes.
> And what about the rest of my post, regarding the doc contradictions and
> confusion wrt alist elements?
Same idea:
> The doc describing the COLLECTION arg to `completing-read',
> `try-completion', etc. does not call out this special treatment of
> nil. In fact, it does not even say that you can mix cons entries and
> string entries (let alone nil entries).
Indeed, it doesn't say you can do it. So if you do it, you're on
your own.
Stefan
next prev parent reply other threads:[~2009-07-21 15:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-21 3:20 Should nil COLLECTION element mean a "nil" candidate for completing-read? Alist doc Drew Adams
2009-07-21 3:40 ` Should nil COLLECTION element mean a "nil" candidate forcompleting-read? " Drew Adams
2009-07-21 15:48 ` Stefan Monnier
2009-07-22 0:07 ` Should nil COLLECTION element mean a "nil" candidateforcompleting-read? " Drew Adams
2009-07-22 3:15 ` Stefan Monnier
2009-07-21 13:23 ` Should nil COLLECTION element mean a "nil" candidate for completing-read? " Stefan Monnier
2009-07-21 14:51 ` Drew Adams
2009-07-21 15:55 ` Stefan Monnier [this message]
2009-07-22 0:07 ` Drew Adams
2009-07-22 3:24 ` Stefan Monnier
2009-07-28 4:26 ` Kevin Rodgers
2009-07-21 23:22 ` Johan Bockgård
2009-07-22 0:07 ` Should nil COLLECTION element mean a "nil" candidate forcompleting-read? " Drew Adams
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