body_ext_mpart

# File lib/net/imap.rb, line 2335
      def body_ext_mpart
        token = lookahead
        if token.symbol == T_SPACE
          shift_token
        else
          return nil
        end
        param = body_fld_param

        token = lookahead
        if token.symbol == T_SPACE
          shift_token
        else
          return param
        end
        disposition = body_fld_dsp
        match(T_SPACE)
        language = body_fld_lang

        token = lookahead
        if token.symbol == T_SPACE
          shift_token
        else
          return param, disposition, language
        end

        extension = body_extensions
        return param, disposition, language, extension
      end