[Lazarus] substr return wrong string with some utf8 char

[Hans-Peter Diettrich]

José Mejuto schrieb:

>>> Is it logical/safe that utf8 functions do not check utf8 integrity ?
>>> I'm talking about utf8pos, utf8copy, etc...
> HPD> There exists no need for an utf8pos function, for use with an utf8copy,
> 
> Nothing is needed for utf8copy ;) utf8pos is needed to return the
> "characters" position of an string it use for utf8copy or to display
> the information somewhere is a different matter.

Why determine an UTF-8 character index, when this one has to be 
converted later into an byte (char) index inside utf8copy?

DoDi