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From: Glenn Morris <rgm@gnu.org>
To: Dave Abrahams <dave@boostpro.com>
Cc: 12351@debbugs.gnu.org
Subject: bug#12351: 24.1; parse-colon-path turns empty paths into nil
Date: Sun, 30 Dec 2012 13:52:11 -0500	[thread overview]
Message-ID: <cdwqvzqso4.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <m2ligpfwcy.fsf@boostpro.com> (Dave Abrahams's message of "Tue, 04 Sep 2012 11:58:53 -0700")

Dave Abrahams wrote:

> (parse-colon-path ":") yields (nil nil) but there's nothing in the
> docstring to indicate that empty path entries will get turned into nil.
> Either the docstring needs to be updated, or parse-colon-path should
> return (delq nil cd-list).

Making a change equivalent to the latter has caused

http://debbugs.gnu.org/13296

Obviously we need the nils to remain, so I will put them back and just
mention that empty elements return nil. It's not worth handling the
minor aesthetic annoyance of (nil nil) specially.





  parent reply	other threads:[~2012-12-30 18:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-04 18:58 bug#12351: 24.1; parse-colon-path turns empty paths into nil Dave Abrahams
2012-09-16 15:57 ` Chong Yidong
2012-12-30 18:52 ` Glenn Morris [this message]
2012-12-30 19:53   ` Dave Abrahams
2012-12-30 20:22     ` Eli Zaretskii
2012-12-30 20:37       ` Dave Abrahams
2012-12-30 22:08         ` Andreas Schwab
2012-12-31  3:08           ` Dave Abrahams
2012-12-31  7:14             ` Glenn Morris
2012-12-31 12:59               ` Dave Abrahams
2012-12-31 10:07             ` Andreas Schwab
2012-12-31  1:40         ` Wolfgang Jenkner
2012-12-31  3:11           ` Dave Abrahams
2012-12-31  6:56             ` Glenn Morris
2012-12-31  7:07               ` Glenn Morris
2012-12-31 12:58                 ` Dave Abrahams
2012-12-31 16:10             ` Wolfgang Jenkner

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