_NextInitialByte
int32 _NextInitialByte(int32 offset) const;
const int32 nextInitial = _NextInitialByte(offset);
if (_NextInitialByte(previousInitial) != offset)
fCaretOffset = _NextInitialByte(fCaretOffset);
fSelEnd = _NextInitialByte(fSelEnd);
int32 nextOffset = _NextInitialByte(fromOffset);
for (offset = _NextInitialByte(current); current < limit;
current = offset, offset = _NextInitialByte(offset)) {
offset = _NextInitialByte(offset);
offset = _NextInitialByte(offset);
offset = _NextInitialByte(offset);
offset = _NextInitialByte(offset);
offset = _NextInitialByte(offset);