don't think this is common enough case for core.  need to make possible in modules.

Not recalling the use case I tagged this democracyinnovations for :-P. Gotta document that sort of thing.

  --John Abbe.....Mon Mar 07 18:09:27 -0800 2011

note: this has been done for wikirate.org (in a module)

  --Ethan McCutchen.....2013-04-03 19:27:54 +0000