GNU bug report logs - #38844
28.0.50; Incorrect result by help-fns--mention-first-release

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From: Xu Chunyang <xuchunyang56 <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 38844 <at> debbugs.gnu.org
Subject: bug#38844: 28.0.50; Incorrect result by help-fns--mention-first-release
Date: Wed, 1 Jan 2020 19:38:08 +0800

Another case is the function file-size-human-readable, C-h f says it
probably is added in 27.1, but I checked it's available in 24.5,
though NEWS.27 does mention the function

> ** The function 'file-size-human-readable' accepts more optional arguments.

On Wed, Jan 1, 2020 at 6:22 PM Eli Zaretskii <eliz <at> gnu.org> wrote:
>
> On January 1, 2020 11:36:28 AM GMT+02:00, Xu Chunyang <xuchunyang56 <at> gmail.com> wrote:
> > C-h f exec-path mentions "Probably introduced at or before Emacs
> > version 22.1.", however, according to NEWS.27 the function exec-path
> > is introduced in Emacs 27.1. I checked that Emacs 24.5 doesn't provide
> > the function exec-path.
>
> That's because 'exec-path' the variable was introduced a long time ago.  The heuristics we use to search the NEWS files for symbols cannot distinguish between diffetent kinds that have the same names

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