isCombiningVoicedSoundMark  334 Source/platform/text/UnicodeUtilities.cpp         const bool secondIsNotSoundMark = second == secondEnd || !isCombiningVoicedSoundMark(*second);
isCombiningVoicedSoundMark  335 Source/platform/text/UnicodeUtilities.cpp         if (first == firstEnd || !isCombiningVoicedSoundMark(*first)) {