Re: [PATCH] refs.c: interpret @ as HEAD

Junio C Hamano wrote:

We need to see if we can make the explanation we will give
to end users is understandable.

I'll make an attempt.

@ can be used in two contexts:
1. When used without the {}, it means HEAD.
2. When used with a {}, it means what those three forms individually
mean.  @{} already implies HEAD: don't put an extra @.

I think it's the cleanest.