Subject: 26.3; diff-mode ignores diff-switches

From: Francesco Potortì <[email-masked]>
Date: Fri, 13 Nov 2020 13:11:44 +0100

In GNU Emacs 26.3 (build 1, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2020-05-17, modified by Debian built on x86-csail-01

diff-mode relies on the diff-command variables defined in diff.el, but
ignores diff-switches

I think this is a bug