This is already in:
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/psql/describe.c.diff?r1=text&tr1=1.89&r2=text&tr2=1.90&f=h
The - in front of that item on the todo list[1] means that it's already
done. This information probably needs to appear more prominently on the
todo page.
[1] http://developer.postgresql.org/todo.php
Thanks.
--
Markus Bertheau <twanger(at)bluetwanger(dot)de>