@NotNull
  public static FairDiffIterable comparePunctuation(@NotNull CharSequence text1,
                                                    @NotNull CharSequence text2,
                                                    @NotNull CancellationChecker indicator) {
    indicator.checkCanceled();

    CodePointsOffsets chars1 = getPunctuationChars(text1);
    CodePointsOffsets chars2 = getPunctuationChars(text2);

    FairDiffIterable nonSpaceChanges = diff(chars1.codePoints, chars2.codePoints, indicator);
    return transferPunctuation(chars1, chars2, text1, text2, nonSpaceChanges, indicator);
  }
@NotNull
  public static FairDiffIterable comparePunctuation(@NotNull CharSequence text1,
                                                    @NotNull CharSequence text2,
                                                    @NotNull CancellationChecker indicator)