From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Drew Adams" <drew.adams@oracle.com>
Cc: 8657@debbugs.gnu.org
Subject: bug#8657: 24.0.50; Emacs code that seems to use `*-single-char-property-change' incorrectly
Date: Thu, 12 May 2011 00:05:46 -0300 [thread overview]
Message-ID: <jwvvcxg62lm.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <A0F39FF90C4641D5ACAFDACB8DE5F4CC@us.oracle.com> (Drew Adams's message of "Wed, 11 May 2011 13:54:57 -0700")
> In particular, IIUC, the return value can never be nil.
> Yet I see code such as this:
> gnus-summary-show-thread:
> (or (next-single-char-property-change end 'invisible) (point-max))
> comint-next-prompt:
> (setq pos (next-single-char-property-change pos 'field))
> (cond (or (null pos)...
> Isn't this incorrect?
The behavior might have changed at some point in time, explaining the
above code.
Stefan
next prev parent reply other threads:[~2011-05-12 3:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-11 20:54 bug#8657: 24.0.50; Emacs code that seems to use `*-single-char-property-change' incorrectly Drew Adams
2011-05-12 3:05 ` Stefan Monnier [this message]
2011-05-12 4:44 ` Eli Zaretskii
2011-05-12 13:44 ` bug#8657: 24.0.50; Emacs code that seems to use `*-single-char-property-change'incorrectly Drew Adams
2012-02-06 14:00 ` bug#8657: 24.0.50; Emacs code that seems to use `*-single-char-property-change' incorrectly Chong Yidong
2012-02-06 22:56 ` Katsumi Yamaoka
2012-02-07 5:57 ` Chong Yidong
2012-02-07 6:34 ` Katsumi Yamaoka
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