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Re: Moving Gnus development to Emacs?

From: CHENG Gao
Subject: Re: Moving Gnus development to Emacs?
Date: Fri, 01 Jan 2016 15:02:27 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (darwin)

*On Fri, 1 Jan 2016 08:10:34 +0800
* Also sprach Xue Fuqiao <address@hidden>:

> On Thu, Dec 31, 2015 at 10:52 PM, CHENG Gao <address@hidden> wrote:
>>>> If package.el becomes APT like, that'll be cool, really cool.
>>> What does this mean? Command-line tools like `apt', `apt-get' or
>>> `apt-cache' (or `apm' in Atom)? If so, I think a simple wrapper
>>> script to `emacs --batch' is enough.
>> I don't mean this. Sorry for my ambiguous expression. Mainly I mean
>> package.el can do dependency check and install proper dependent
>> packages. Also can handle different Emacs versions since packages
>> may stop supporting some Emacs versions or not yet catch up with
>> latest version. But it may be too complicated.
> Thanks for the clarification.
> Although I'm not quite familiar with both package.el and APT, AIUI
> package.el can already do dependency check and handle different Emacs
> versions. You can use the "Package-Requires" header, for example:
>    ;; Package-Requires: ((emacs "24.1") (cl-lib "0.5") (async "1.6"))
> In Emacs 25, you can also use the command `package-autoremove' to
> remove all packages which were installed strictly as dependencies but
> are no longer needed, similar to `apt-get autoremove'.
> Maybe I'm missing something, would you please explain?
> PS: perhaps we should change the subject line of this subthread.

Thanks for your detailed explanation. Good to know.
I read all posts in URLs you gave, and some others about use-package and
req-package etc. Seems future is expectable.

PS: Or I just stop here, be quiet and learn more.

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