bug#32991: 27.0.50; diff-auto-refine-mode a no-op

[Stefan Monnier]

> Why are 2-way conflicts worthless?

Because they give less info than 3-way conflicts and they're generated
from 3 files so you can "always" get the superior 3-way conflicts
instead of the inferior 2-way ones.

> By the way, does the updated change I sent in
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32991#38 look okay
> to you?

Haven't had a chance to look at it yet,


        Stefan