Subject: Re: bug#61942: 28.2; uninterruptible hang in vc-diff buffer

From: Dmitry Gutov <[email-masked]>
Date: Fri, 14 Mar 2025 02:34:15 +0200

On 13/03/2025 22:22, Tom Tromey wrote:
> All it really seems to take is paging through a diff with some very
> large hunks.

If the repro requires really large hunks, it might be due to the 
"refine" feature, which can be relatively costly.

When you see the problem again, maybe try (setq diff-refine nil).