# File kwartz.rb, line 1726
        def indent(code, level)
            prefix = encode(:prefix)
            indent = encode(:indent)
            if prefix
                code << @newline if code[-1] != ?\n
                code << prefix
                code << indent * level if level > 0
            elsif level > 0
                code << indent * level if code[-1] == ?\n
            end
        end