# File lib/sup/util.rb, line 318
  def ascii
    out = ""
    each_byte do |b|
      if (b & 128) != 0
        out << "\\x#{b.to_s 16}"
      else
        out << b.chr
      end
    end
    out.force_encoding Encoding::UTF_8 if out.respond_to? :force_encoding
    out
  end