Subject: bug#62599: 30.0.50; Improve ibuffer-diff-with-file

From: Mattias Engdegård <[email-masked]>
Date: Sun, 2 Apr 2023 10:24:52 +0200

Thank you -- I'm no buffer expert but see no obvious flaws.

`verilog-diff-file-with-buffer` in verilog-mode.el looks vaguely similar, down to the dodgy unwind-protect, but it has stronger compatibility requirements so it probably can't use more recent diff machinery.