I have Ruby 1.9 running on Leopard and recently tried to get WxRuby running.  Unfortunately, it was giving me the following error:

irb -r wx
/opt/local/lib/ruby1.9/gems/1.9.1/gems/wxruby-2.0.1-universal-darwin-9/lib/wxruby2.bundle: [BUG] unknown type 0×22 (0xc given)
ruby 1.9.1p129 (2009-05-12 revision 23412) [i386-darwin9]

It turns out that I had installed using “sudo gem install wxruby” when I should have installed with “sudo gem install wxruby-ruby19″.  Fixed!

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