GNU bug report logs - #67925
29.1; delete-rectangle fails on multi-column characters

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From: Juri Linkov <juri <at> linkov.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 67925 <at> debbugs.gnu.org, Stefan Kangas <stefankangas <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>, awrhygty <at> outlook.com
Subject: bug#67925: 29.1; delete-rectangle fails on multi-column characters
Date: Fri, 22 Dec 2023 09:56:20 +0200

>> >> This patch gives similar result of kill-rectangle.
>> >> In the example above, I want all '4' characters moved to same column.
>> >
>> > How can that be done, when the first character takes 2 or more
>> > columns?  Deleting the first character is IMO wrong, since the other
>> > lines leave the first character intact.  Adding SPC to other lines is
>> > also wrong, since delete-rectangle is not supposed to _add_ columns.
>>
>> I think wide characters may be replaced with SPC like TAB.
>
> I don't think I agree.  Let's see what others think Stefan, Juri,
> Stefan, any opinions?  Does anyone else have an opinion on this?

Does the same problem exist for deleting rectangles in texts
with a variable-pitch font?  If you draw a vertical line
it will cross a lot of characters in the middle.

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