Re: [PATCH] Fix handling of not_for_merge '.' flag in refspec.

Tom Prince [off-list ref] writes:

canon_refs_list_for_fetch did not know about '.', so it mangled any
reference with it. Further, it added '.' to any refspec on the command
line other than the first.

The dot trick was supposed to be internal.  If you have the
following three lines in a remotes/xyzzy file:

	URL: http://xyzzy.xz/balances.git
        Pull: frotz nitfol
        Pull: rezrov

    $ git pull xyzzy

    - fetch frotz, nitfol, and rezrov; merge frotz into the
      current branch

    $ git pull xyzzy nitfol

    - fetch nitfol only; merge nitfol into the current branch.

    $ git pull xyzzy nitfol rezrov

    - fetch nitfol and rezrov; merge them into the current
      branch (an Octopus).

The '.' is in no way part of the <refspec> format.  It may not
be a bad idea to explicitly forbid it, but currently we don't.