Jonathan Nieder <jrnie...@gmail.com> writes:

> Junio C Hamano wrote:
>> Felipe Contreras <felipe.contre...@gmail.com> writes:
>
>>> Never-mind, now I see the difference, still, I don't think it's
>>> relevant for this patch.
>>
>> I don't either. With the precedence of @{u}, @ does not need to have
>> anything to do with a reflog. It is just a random letter that casts
>> a magic spell.
>
> I thought the convention was "^{...} is for operators that act on
> objects, @{...} for operators that act on refs or symrefs".

Almost.  You can ask "git rev-parse --symbolic-full-name" to see
that @{-1} is still a ref, but @{1} is _not_ a ref (it is a concrete
revision that you cannot run 'update-ref' on).
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