custom version of rdoc with gems?

Roger Pack <[email protected]> Tue, 13 Oct 2009 08:50:30 -0600
Newsgroups gmane.comp.lang.ruby.documentation
Message-ID <[email protected]>
Anyone know if it's possible to specify a version of rdoc to use to do
the rdoc'ing for a gem?

gem rdoc gem_name # use rdoc 2.2.2
?
Thanks!
-r