# File /home/cepheus/projects/prep/log4r-1.0.0/src/log4r/logger.rb, line 146
      def [](_fullname)
        # forces creation of RootLogger if it doesn't exist yet.
        return RootLogger.instance if _fullname == 'root' or _fullname == 'global'
        logger = Repository[_fullname]
        if logger.nil?
          raise NameError, "Logger '#{_fullname}' not found.", caller
        end
        return logger
      end