def import_plain
      skip_whitespaces
      ret = nil

      if @doc.scan(/\{/) # dict
        ret = read_dict
      elsif @doc.scan(/\(/) # array
        ret = read_array
      elsif @doc.scan(/"/) # string
        ret = read_quoted
      elsif @doc.scan(/</) # binary
        ret = read_binary
      else # string w/o quotes
        ret = read_unquoted
      end

      return ret
    end
def import_plain
      skip_whitespaces
      ret = nil

      if @doc.scan(/\{/) # dict
        ret = read_dict
      elsif @doc.scan(/\(/) # array
        ret = read_array
      elsif @doc.scan(/"/) # string
        ret = read_quoted
      elsif @doc.scan(/</) # binary
        ret = read_binary
      else # string w/o quotes
        ret = read_unquoted
      end

      return ret
    end
import the XML values