commit, your HEAD becomes "detached" and you are no longer on
any branch (see below for details).
+
-As a special case, the `"@{-N}"` syntax for the N-th last branch
-checks out the branch (instead of detaching). You may also specify
+As a special case, the `"@{-N}"` syntax for the N-th last branch/commit
+checks out branches (instead of detaching). You may also specify
`-` which is synonymous with `"@{-1}"`.
+
As a further special case, you may use `"A...B"` as a shortcut for the