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Re: Emacs Versions: major, minor and ...?
From: |
Colin Baxter |
Subject: |
Re: Emacs Versions: major, minor and ...? |
Date: |
Mon, 28 Jun 2021 06:29:45 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
>>>>> Stefan Monnier via Users list for the GNU Emacs text editor
>>>>> <help-gnu-emacs@gnu.org> writes:
> mrf [2021-06-28 06:56:20] wrote:
>> Colin Baxter writes:
>>> The current emacs development version is "28.0.5". I know that
>>> "28" is the value of the emacs-major-version variable and "0" is
>>> the value of the emacs-minor-version variable. I assume "5" is
>>> also the value of a variable, but what's its name?
>> The third number after the dots is called micro or in some
>> projects patch, please take a look at semantic versioning
>> (semver.org) and the
> Note that Emacs does not use semantic versioning. Emacs release
> versions have the shape NN.MM and nothing more.
> Emacs code that's not released has versions of the form NN.MM.OO
> where OO can be 50 to mean "this is the code we're working on that
> will hopefully become NN.MM+1", or it can be a of the form 9x (or
> 99x or 999x ..., tho I seem to remember we've also used a sequence
> like 98, 99, 100, 101 at some point) for pretest versions
> (basically beta-releases) of NN.MM+1.
> [ In the past, Emacs *executables* had versions numbers of the
> form NN.MM.BB (or NN.MM.OO.BB for non-release versions) where BB
> was a "build number", i.e. something that gets incremented every
> time the user builds Emacs again from the same directory. We're
> not using that any more, tho. ]
Thank you for the information. In centuries to come, no doubt someone will
write a thesis unravelling the arcane numbering in emacs versions.
Best wishes,
Colin Baxter.