> -----------------------------------
>
> C:\>gem install rubygems-update
>
> C:\>"c:\ruby-1.8.2\bin\ruby.exe" "c:\ruby-1.8.2\bin\gem" install
> rubygems-update
> Attempting local installation of 'rubygems-update'
> Local gem file not found: rubygems-update*.gem
> Attempting remote installation of 'rubygems-update'
> Updating Gem source index for: http://gems.rubyforge.org
> Successfully installed rubygems-update, version 0.8.4
> Installing RDoc documentation for rubygems-update-0.8.4...
> WARNING: Generating RDoc on .gem that may not have RDoc.
>
> C:\>gem --version
>
> C:\>"c:\ruby-1.8.2\bin\ruby.exe" "c:\ruby-1.8.2\bin\gem" --version
> 0.8.3

a. You should run update-rubygems after the gem-install to actually
update the library.

b. use 'gem env' instead of 'gem --version' for more details.

HTH,
Assaph