GNU bug report logs - #23643
25.0.50; Documentation of file-name-sans-extension seems wrong

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#23643: closed (25.0.50; Documentation of file-name-sans-extension
 seems wrong)
Date: Sun, 29 May 2016 15:03:01 +0000

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Your message dated Sun, 29 May 2016 18:02:22 +0300
with message-id <838tysykjl.fsf <at> gnu.org>
and subject line Re: bug#23643: 25.0.50; Documentation of file-name-sans-extension seems wrong
has caused the debbugs.gnu.org bug report #23643,
regarding 25.0.50; Documentation of file-name-sans-extension seems wrong
to be marked as done.

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From: Thomas Emile Bourgeat <bthom <at> mit.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; Documentation of file-name-sans-extension seems wrong
Date: Sat, 28 May 2016 22:04:40 -0400

(file-name-sans-extension "foo.bar") produces "foo" when the
documentation suggests it should produce "foo.":

> Return FILENAME sans final "extension".
> The extension, in a file name, is the part that follows the last ‘.’,
> except that a leading ‘.’, if any, doesn’t count.

In GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.25)
 of 2015-10-30
Repository revision: 9c36df736b89490d14a5b5109c9c00209a0c25f5
Windowing system distributor 'The X.Org Foundation', version 11.0.11604000
System Description:	Debian GNU/Linux 8.4 (jessie)

Configured features:
XPM JPEG TIFF GIF PNG SOUND GSETTINGS NOTIFY LIBXML2 FREETYPE XFT ZLIB
TOOLKIT_SCROLL_BARS GTK2 X11

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Thomas Emile Bourgeat <bthom <at> mit.edu>
Cc: 23643-done <at> debbugs.gnu.org
Subject: Re: bug#23643: 25.0.50;
 Documentation of file-name-sans-extension seems wrong
Date: Sun, 29 May 2016 18:02:22 +0300

> From: Thomas Emile Bourgeat <bthom <at> mit.edu>
> Date: Sat, 28 May 2016 22:04:40 -0400
> 
> (file-name-sans-extension "foo.bar") produces "foo" when the
> documentation suggests it should produce "foo.":
> 
> > Return FILENAME sans final "extension".
> > The extension, in a file name, is the part that follows the last ‘.’,
> > except that a leading ‘.’, if any, doesn’t count.

Thanks for the report.  I'm not quite sure which part of the doc
string led you to believe that "foo." should be produced: the
"follows" part or the "leading `.'" part.  So I went ahead and
clarified both for the next release.

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