Generating RI...
/usr/lib/ruby/1.8/rdoc/markup/simple_markup/to_flow.rb:181:in `convert_special': Unhandled special: Special: type=17, text="<!-- The header part of this layout -->" (RuntimeError)
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/to_flow.rb:158:in `convert_flow'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/to_flow.rb:150:in `each'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/to_flow.rb:150:in `convert_flow'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/to_flow.rb:87:in `accept_verbatim'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/fragments.rb:168:in `accept'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/fragments.rb:165:in `each'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup/fragments.rb:165:in `accept'
        from /usr/lib/ruby/1.8/rdoc/markup/simple_markup.rb:258:in `convert'
         ... 14 levels...
        from /usr/lib/ruby/1.8/rdoc/generators/ri_generator.rb:84:in `each'
        from /usr/lib/ruby/1.8/rdoc/generators/ri_generator.rb:84:in `generate'
        from /usr/lib/ruby/1.8/rdoc/rdoc.rb:265:in `document'
        from /usr/bin/rdoc:63