GNU bug report logs - #52111
coloring bug in diff -y ?

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: linuxprocess <at> free.fr
To: bug-diffutils <at> gnu.org
Subject: coloring bug in diff -y ?
Date: Thu, 25 Nov 2021 17:16:29 +0100 (CET)

[Message part 1 (text/plain, inline)]

Hello,

I cannot realy determine if it is a bug or a whish ...
But as a human, "diff -y --color" does not color differences as I expected.
Deleted lines appear in red, added lines appear in green ... but modified lines have the standard color.

The only way to see that a line has been modified is the '|' character between the two colums.
For a coloring diff, that seems not enough to me for complex files ...
Should not we meet the same coloring decisions as without "-y" ?

What do you think ?

Please find enclosed a screenshot with a simple example : the modified line is not colored.

Regards

Guillaume

[diff--color-y.png (image/png, attachment)]

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