PC Arbeit :
Ports emacs 23.1 with canna patch for FreeBSD available, derived from ports/editors/emacs (23.1) as of 10 Feb 2010 JST.
# cd /usr/ports/japanese # cp -r /usr/ports/editors/emacs ./emacs-canna # patch < /path/to/ports-emacs23canna.diff
It would be 'ja-emacs-canna-20091026' after installation.
It's required for portsdb -U, which takes an hour or so to complete, to get INDEX-*.db recognised this ports after the above though, without this you can install it as 'an orphan ports' and it wouldn't have any relations with the other ports in pkgdb.db to be appeared by any commands designed for managing ports with pkgdb.db, portversion or so.
It might be able to quickly register it by running portsdb -u after adding its line to ports/INDEX-[0-9](not ports/INDEX-*.db).