# File lib/sup/rfc2047.rb, line 31
  def Rfc2047.decode_to(target, from)
    from = from.gsub(WORDSEQ, '\1')
    out = from.gsub(WORD) do
      |word|
      charset, encoding, text = $1, $2, $3

      # B64 or QP decode, as necessary:
      case encoding
        when 'b', 'B'
          #puts text
          text = text.unpack('m*')[0]
          #puts text.dump

        when 'q', 'Q'
          # RFC 2047 has a variant of quoted printable where a ' ' character
          # can be represented as an '_', rather than =32, so convert
          # any of these that we find before doing the QP decoding.
          text = text.tr("_", " ")
          text = text.unpack('M*')[0]

        # Don't need an else, because no other values can be matched in a
        # WORD.
      end

      Iconv.easy_decode(target, charset, text)
    end
  end