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Re: How to find when a feature was introduced


From: Paul Rankin
Subject: Re: How to find when a feature was introduced
Date: Fri, 08 Jul 2016 14:53:16 +1000

Kaushal Modi <address@hidden> on Fri, 08 Jul 2016 04:41 +0000:
> For not know a better way, I would just grep the NEWS* files in the etc/
> directory for the function/variable name.
> 
> ...
>
> On Fri, Jul 8, 2016 at 12:30 AM Rusi <address@hidden> 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?

Within Emacs...

M-x view-emacs-news RET

C-s FEATURE

-- 
Paul W. Rankin
www.paulwrankin.com



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