avahi-publish --version (return code: 0)
avahi-publish 0.6.32-rc
avahi-publish --help (return code: 0)
avahi-publish [options] -s <name> <type> <port> [<txt ...>]
avahi-publish [options] -a <host-name> <address>
-h --help Show this help
-V --version Show version
-s --service Publish service
-a --address Publish address
-v --verbose Enable verbose mode
-d --domain=DOMAIN Domain to publish service in
-H --host=DOMAIN Host where service resides
--subtype=SUBTYPE An additional subtype to register this service with
-R --no-reverse Do not publish reverse entry with address
-f --no-fail Don't fail if the daemon is not available