svoid  lcPrintSubstrings(LineCompedSingle lc) {
  int n = lc.nItems(), n1 = lc.nLiterals();
  for i to n: {
    if (i == n1) print("---");
    print(i + ": " + quote(lcUncompressItem(lc, i)));
  }
  print(uncompressLineCompedSingle(lc));
}
svoid  lcPrintSubstrings(LineCompCompressor lc) {
  int n = lc.nItems(), n1 = lc.nLiterals();
  for i to n: {
    if (i == n1) print("---");
    print(i + ": " + quote(lc.itemToString(i)));
  }
}