问题描述
我知道 Emacs 上已经有一个关于此的问题，并且已经关闭，但我发现它非常相关且重要.
I know there's already an Emacs question on this, and that it was closed, but I find it quite relevant and important.
基本上，我想注释/取消注释当前行.我原以为使用宏会很容易做到这一点，但我发现事实并非如此.
Basically, I want to comment/uncomment the current line. I was expecting this to be fairly easy with a macro, but I found that it really isn't.
如果当前行被注释，则取消注释.如果未注释，请对其进行注释.而且我还想注释掉整行，而不仅仅是从光标位置.
If the current line is commented, uncomment. If it is uncommented, comment it. And I would also to comment out the whole line, not just from cursor position.
我试过这样的宏:
'comment-dwim
但这只适用于注释一行，而不是取消注释，如果它已经被注释了.
But this only work to comment a line, not to uncomment it, if it's already commented.
我不确定这有多容易，但如果有办法，我真的很喜欢.
I'm not sure of how easy it is, but if there's some way, I'd really like it.
另外，我非常喜欢这个想法的原因是，当我使用 Geany 时，我只使用了 ，它非常完美.
Also, the reason I love this idea so much is that when I used Geany, I just used and it was perfect.
推荐答案
试试这个功能，绑定你最喜欢的键:
Try this function, and bind to your favorite key:
(defun toggle-comment-on-line ()
"comment or uncomment current line"
(interactive)
(comment-or-uncomment-region (line-beginning-position) (line-end-position)))
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