Subject: Re: bug#20290: 25.0.50; Use unified diff format by default, and recommend using it in reports and patches

From: Eli Zaretskii <[email-masked]>
Date: Fri, 10 Apr 2015 10:26:56 +0300

> From: Dmitry Gutov <[email-masked]>
> Date: Thu, 09 Apr 2015 23:05:42 +0300
> 
> That should involve changing the default `diff-switches' value and small
> changes to doc/emacs/files.texi and doc/emacs/trouble.texi.
> 
> Let me know if I missed something.

Please be sure to mention the change in NEWS, and tell there how to
get back the old behavior.