Junio C Hamano <gits...@pobox.com> writes:

> Jeff King <p...@peff.net> writes:
>> But it would apply to the content that is outside
>> of the hunk marker; we have changed the concept of what is in the base
>> and what is in the conflict by shrinking the conflict to its smallest
>> size.
> Hmm, unless you mean by "base" something entirely different from
> "what was in the common ancestor version", I do not think I can
> agree.  The point of diff3 mode is to show how it looked line in the
> common ancestor and what the conflicting sides want to change that
> common version into; letting the user view three versions to help
> him decide what to do by only looking at the part inside conflict
> markers.
> We show "both sides added, either identically or differently" as
> noteworthy events, but the patched code pushes "both sides added
> identically" case outside the conflicting hunk, as if what was added
> relative to the common ancestor version (in Uwe's case, is it 1-14
> that is common, or just 10-14?) is not worth looking at when
> considering what the right resolution is.  If it is not worth
> looking at what was in the original for the conflicting part, why
> would we be even using diff3 mode in the first place?

I vaguely recall we did this "clip to eager" as an explicit bugfix
at 83133740d9c8 (xmerge.c: "diff3 -m" style clips merge reduction
level to EAGER or less, 2008-08-29).  The list archive around that
time may give us more contexts.
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