Fix +/- signs in front of warning types in help.

      @shown_warnings = {}

    end

    # Configures warnings to default settings.

    #

    # NB! Needs to be called before retrieving the documentation with

    # #doc_warnings (otherwise the +/- signs will be wrong).

    def configure_defaults

      # Enable all warnings except some.

      set_warning(:all, true)

      set_warning(:link_auto, false)

      set_warning(:param_count, false)

      set_warning(:fires, false)

      set_warning(:nodoc, false)

    end

    # Configures the logger with command line options.

    def configure(opts)

      self.verbose = true if opts.verbose

      self.colors = opts.color unless opts.color.nil?

      # Enable all warnings except the following:

      set_warning(:all, true)

      set_warning(:link_auto, false)

      set_warning(:param_count, false)

      set_warning(:fires, false)

      set_warning(:nodoc, false)

      begin

        opts.warnings.each do |w|

          set_warning(w[:type], w[:enabled], w[:path], w[:params])

      # Options::Record object, validates the options, applies it to

      # various singleton classes and returns the Options::Record.

      def self.process(args)

        # HACK! First establish warnings defaults.

        Logger.configure_defaults

        opts = Options::Parser.new.parse(args)

        # Expand list of input files