有没有一种方法可以显示我已安装到emacs中的每个软件包的版本号？
[英]Is there a way to display the version numbers for each package I have installed into my emacs?
问题描述
The question pretty much says it all. 
这个问题几乎说明了一切。 I wish to know which version I have installed. 我想知道我安装了哪个版本。 If I look at the directories in my elpa folder I just see a date. 如果查看elpa文件夹中的目录，我只会看到一个日期。
2 个解决方案
解决方案1
1 已采纳 2016-06-20 12:28:48
The value in the directory name next to the package name is the version of the package. 在旁边的包名称的目录名称值是包的版本。 If you are seeing dates, then you have installed packages from a package repository which uses dates as versions. 如果看到日期，则说明已从使用日期作为版本的软件包存储库中安装了软件包。 (That would probably be melpa.) （那可能是melpa。）
If you want something different, you will need to use a package repository with a saner version policy. 如果您想要不同的东西，则需要使用具有较精简版本策略的软件包存储库。 melpa-stable is an option. melpa稳定是一个选项。
解决方案2
0 2016-06-20 18:35:56
List all packages available: 列出所有可用的软件包：
Mx package-list-packages Mx package-list-packages
Although you can only filter by keyword, you could use this workaround to list only installed packages: 尽管您只能按关键字过滤，但是您可以使用此替代方法来仅列出已安装的软件包：
(defun installed-packages ()
(interactive)
(list-packages t)
(read-only-mode -1)
(delete-non-matching-lines " installed ")
(read-only-mode 1))
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