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From: | Przemysław Wojnowski |
Subject: | Re: How to find when a function/var has been added |
Date: | Wed, 05 Aug 2015 22:53:29 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 |
I was thinking about adding "Since: ${emacs-version}" to docs of functions and variables just to make it easier to write backward compatible packages.I think maybe Przemysław is asking for something more, including changes to the default value or possible values of an option, and changes to the behavior or at least the calling sequence of an existing function. Dunno how much would be feasible or what forms it might take, but I agree that there is a use case for it.
If I would like to preserve compatibility with Emacs 24.3.1 I wouldn't use newer functions/values. Now it is not that easy (at least for me) to find out since when a function/variable/package is in Emacs, which makes programming a bit slower.
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