Calc byte position text functions

[Winfried Donkers]

Hi Eike,


>> CJK characters of the Unicode blocks listed in the scriptList array.
> For testing you could try to use, for example, characters of the Hangul
> Jamo block,
> https://en.wikipedia.org/wiki/Hangul_Jamo_%28Unicode_block%29
>
>
Great, thanks!
I can get on now :-)

Winfried