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bug#21921: New function comment-line also comments first line after regi
From: |
Rasmus |
Subject: |
bug#21921: New function comment-line also comments first line after region |
Date: |
Sun, 15 Nov 2015 12:45:02 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
Hi Clément,
Thanks for details report.
Clément Pit--Claudel <clement.pitclaudel@live.com> writes:
> Its documentation says:
>
> If region is active, comment lines in active region instead.
>
> However, it seems that it also comments out the line just after the end
> of the region.
>
> For example, given the following text
>
> abc
> def
> ghi
>
> Placing the cursor before `a', then pressing C-SPC C-n C-n, causes two
> lines to be marked: (> is highlighting, | is point)
>
>>abc
>>def
> |ghi
>
> Yet pressing C-x C-; (comment-region) comments out all three lines.
Because the end of region is at point. Try to run this:
(list (point) (region-beginning) (region-end))
Also, from the docstring,
Unlike ‘comment-dwim’, this always comments whole lines.
You'd get what you'd expect if you run comment-dwim (M-;)
> Similarly, again starting from
>
> abc
> def
> ghi
>
> placing the point before `g' and pressing C-SPC C-p C-p causes two lines
> to be marked:
Again, in fact the region start at 'g'. Check e.g. with C-x C-x. But
it's not obvious from the face.
>>|abc
>>def
> ghi
>
> Yet pressing C-x C-; comments out all three lines. I find this second example
> especially confusing.
>
> Is this behaviour only surprising to me?
Perhaps the confusion is caused by region not being displayed at column
zero.
The behavior is correct IMO.
For your particular examples, comment-dwim does what you want, it seems.
Hope it helps,
Rasmus
--
Spil noget med Slayer!