Subject: Re: bug#18128: Diff-mode doesn't refine hunks automatically

From: Stefan Monnier <[email-masked]>
Date: Mon, 28 Jul 2014 19:28:21 -0400

> Diff-mode should just refine hunks automatically when visiting a buffer. If
> it is a performance concern, there should be some customization option for
> it and/or this could be done lazily.

Agreed, it should be done "as part of font-locking".

        Stefan