# File lib/edi4r.rb, line 803
    def initialize( p, name, status, fmt )
      @parent, @root, @name, @format, @status = p, p.root, name, fmt, status
      raise "#{location}: 'nil' is not an allowed format." if fmt.nil?
      raise "#{location}: 'nil' is not an allowed status." if status.nil?
      @value = nil
    end