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Re: RFC: Adding BBDB to Emacs core

From: Paul Eggert
Subject: Re: RFC: Adding BBDB to Emacs core
Date: Tue, 24 Apr 2018 17:42:03 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0

On 04/24/2018 03:31 PM, Stefan Monnier wrote:
adding runtime conditional logic has
been standard procedure "for ever" and comes with all kinds of

It's a tradeoff, though, as the runtime logic makes the code harder to maintain and (particularly) to test, and at some point it becomes more trouble than it's worth. This is why Gnus dropped support for Emacs 22 a couple of years ago. Even if ELPA packages should work on current and previous Emacs versions, today I would think that they shouldn't have to worry about porting to Emacs 23 or earlier, and that a package's maintainer can determine whether the cutoff is 22, 23, or even 24.

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