COMMENT ON, psql and access methods

Hi all,

As far as I can see, COMMENT ON has no support for access methods.
Wouldn't we want to add it as it is created by a command? On top of
that, perhaps we could have a backslash command in psql to list the
supported access methods, like \dam[S]? The system methods would be in
this case all the in-core ones.

Regards,
-- 
Michael