Re: [BUG] `git diff` treats an unchanged line as modified
Junio C Hamano
Hao Lee
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2019-12-25 15:26:05 UTC
On Wed, 25 Dec 2019 at 03:34, Junio C Hamano <> wrote:
> IOW, there is no *single* diff output that is correct.
> Among many "correct" diff output, there are ones that readers find
> them easier to understand and those that look suboptimal.  The
> differences are often personal tastes.

Thanks, this explanation is clear for me.

> "git diff" has options to tweak heuristics it uses to choose among
> many "correct" diff outputs, like --patience, --histogram, etc.
> Perhaps using one of them would produce one that match your taste
> better?

After understanding the correctness of diff algorithm, the default
algorithm also suits my needs now, although the patience algorithm is
more understandable in some special circumstances.

Hao Lee