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From: Kaushal Modi <kaushal.modi@gmail.com>
To: Rusi <rustompmody@gmail.com>, help-gnu-emacs@gnu.org
Subject: Re: How to find when a feature was introduced
Date: Fri, 08 Jul 2016 04:41:54 +0000	[thread overview]
Message-ID: <CAFyQvY1Nuau5k5+pbKsda3zt0UY4Etg1hV5a66N+iYpGKp0fSA@mail.gmail.com> (raw)
In-Reply-To: <dd89c256-33e9-4dbd-af47-5c72e0b7db7c@googlegroups.com>

For not know a better way, I would just grep the NEWS* files in the etc/
directory for the function/variable name.

For this particular example, the info is in NEWS.24 file.

===
* Lisp Changes in Emacs 24.4
...
** New macro `with-eval-after-load'.
This is like the old `eval-after-load', but better behaved.
===

So this macro was introduced in emacs 24.4.

On Fri, Jul 8, 2016 at 12:30 AM Rusi <rustompmody@gmail.com> wrote:

> Student sent me this
>
> Symbol's function definition is void: with-eval-after-load
>
> Figured this came from a slightly oldish ubuntu
>
> Then found the with-eval-after-load in gnu-apl-mode
>
> So now I need to tell my students gnu-apl-mode will not run in emacsen
> less than
> version X
>
> How to find out X?
>
-- 

-- 
Kaushal Modi


  reply	other threads:[~2016-07-08  4:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08  4:28 How to find when a feature was introduced Rusi
2016-07-08  4:41 ` Kaushal Modi [this message]
2016-07-08  4:53   ` Paul Rankin
2016-07-08  5:44     ` Drew Adams
2016-07-08 16:40       ` Drew Adams
2016-07-09 18:21         ` Kaushal Modi
     [not found]         ` <mailman.936.1468088520.26859.help-gnu-emacs@gnu.org>
2016-07-10  6:51           ` Rusi
2016-07-08  6:43 ` Eli Zaretskii
2016-07-08 16:33   ` Kaushal Modi

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