class RDoc::CodeObject

def comment=(comment)
  @comment = case comment
             when NilClass               then ''
             when RDoc::Markup::Document then comment
             when RDoc::Comment          then comment.normalize
             else
               if comment and not comment.empty? then
                 normalize_comment comment
               else
                 # HACK correct fix is to have #initialize create @comment
                 #      with the correct encoding
                 if String === @comment and
                    Object.const_defined? :Encoding and @comment.empty? then
                   @comment.force_encoding comment.encoding
                 end
                 @comment
               end
             end
end