From: lasitha <lasitha.ranatunga@...>
Date: 2009-03-05T02:25:19+09:00
Subject: Re: gem cleanup problem

On Wed, Mar 4, 2009 at 7:57 PM, Tom Cloyd <tomcloyd@comcast.net> wrote:
> ~$ sudo gem cleanup
> Cleaning up installed gems...       Attempting to uninstall RedCloth-4.1.1
> ERROR:  While executing gem ... (Gem::InstallError)
>   Unknown gem RedCloth = 4.1.1

Tom, sounds a lot like #22770:
http://rubyforge.org/tracker/index.php?func=detail&aid=22770&group_id=126&atid=575

Which seems to have a workaround detailed at the bottom of:
http://www.ruby-forum.com/topic/170342

HTH,
lasitha