What branch to use for the Algol 68 front-end

[Jose E. Marchesi]

Hello people!

The Steering Committee has decided not to merge the Algol 68 Front-End
in master at this point, but is ok with us using a branch in gcc.git to
develop and maintain the front-end as well as a mailing list in
algol68@gcc.gnu.org. The mailing list has been already set up by the
sourceware friends.

What branch should we use in gcc.git?
Thanks!