# File lib/mega/tokenparser.rb, line 296
  def register( *tokens )
    tokens.each { |tkn|
      unless TokenParser::Token === tkn or TokenParser::UnitToken === tkn
        raise( ArgumentError, "#{tkn.inspect} is not a TokenParser::Token" )
      end
    }
    @registry.concat( tokens )
    #@sorted = false
  end