The Case Against Autodecode

[Andrei Alexandrescu via Digitalmars-d]

On 05/31/2016 01:15 PM, Jonathan M Davis via Digitalmars-d wrote:
> Saying that operating at the code point level - UTF-32 - is correct
> is like saying that operating at UTF-16 instead of UTF-8 is correct.

Could you please substantiate that? My understanding is that code unit 
is a higher-level Unicode notion independent of encoding, whereas code 
point is an encoding-dependent representation detail. -- Andrei