static LineCompedSingle<Char> lineComp_compressTextAsChars(LineCompCompressor compressor default new LineCompCompressor, S text) {
  SS data = litmap("" := lines_rtrim(lambdaMap charToHex(characters(text))));
  compressor.loadTexts(data);
  compressor.verify = true;
  compressor.run();
  
  new L<Char> literals;
  new L<IntPair> pairs;
  for (LineCompCompressor.Chunk c : compressor.chunks)
    if (c cast LineCompCompressor.CPair)
      pairs.add(IntPair(c.i1, c.i2));
    else
      literals.add(charFromHex(((LineCompCompressor.CPrim) c).s));
  ret new LineCompedSingle<Char>(literals, pairs, firstValue(compressor.finalEncodings));
}