parse_symbol_arg_paren

# File lib/rdoc/parser/ruby.rb, line 1785
  def parse_symbol_arg_paren no # :nodoc:
    args = []

    loop do
      skip_tkspace_comment
      if tk1 = parse_symbol_in_arg
        args.push tk1
        break if no and args.size >= no
      end

      skip_tkspace_comment
      case tk2 = get_tk
      when TkRPAREN
        break
      when TkCOMMA
      else
        warn("unexpected token: '#{tk2.inspect}'") if $DEBUG_RDOC
        break
      end
    end

    args
  end