# File lib_wpm/wpm.rb, line 4180
    def initialize(xml_assist)
      # Page
      @xml_assist = xml_assist
      @main_page = 'MainPage'
      @page_option = Hash.new
      @error_display = 'WPMErrorPage'
      self.base_dir = Dir.getwd

      # HTTP
      @status = 200
      @content_type = 'text/html'
      @charset = nil

      # Logging
      @logger = DummyLogger.new
      @filename = nil
      @input_filter = NO_FILTER
      @output_filter = NO_FILTER
    end