GNU bug report logs - #61396
diff mode could distinguish changed from deleted lines

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From: Samuel Wales <samologist <at> gmail.com>
To: Juri Linkov <juri <at> linkov.net>
Cc: 61396 <at> debbugs.gnu.org, rms <at> gnu.org
Subject: bug#61396: diff mode could distinguish changed from deleted lines
Date: Thu, 10 Aug 2023 16:56:16 -0700

can anybody think of a straightforward workaround for this as
described below that the user can do if diff-mode does not do it
[which it does not]?

i am pretty unsure what would do this.

thank you.

On 7/22/23, Samuel Wales <samologist <at> gmail.com> wrote:
> so basically,
>
>   -this is a line that ^looks deleted, but it is changed
> ...
>   +this is a line that REALLY looks deleted, but it is changed

i.e. a mechanism to put a missing-text indicator where ^ is?

>
> what is not indicated for the user is at the ^.  i woul dlike it if
> diff mode if possible showed that text was deleted there.
>
> this allows you to look at only the - line and know that it is not a
> deleted line, possibly even mistakenly, but rather is part of a cange
> set, namely it and the + version of hte same line.  this would reduce
> user confusion considerably.

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