[m-users.] Confused by action of string.prefix_length

[Volker Wysk]

Am Mittwoch, dem 08.06.2022 um 18:02 +1000 schrieb Peter Wang:
> On Wed, 08 Jun 2022 09:51:14 +0200 Volker Wysk <post at volker-wysk.de> wrote:
> > Hi
> > 
> > I don't find it obvious what a "code unit" is. Possibly I would confuse it
> > with "code point". Please replace "code unit" with "byte", unless there's
> > something to be said against it.
> 
> Code unit corresponds to "byte" in the UTF-8 encoding, but it is not a
> synonym. It is standard Unicode terminology. Please take some time to
> read about Unicode encodings. Every programmer must know the basics,
> it's part of the landscape just as ASCII and 8-bit code pages was.

Of course, you're right. A "code unit" is a byte in UTF-8 only. And strings
are encoded in UTF-16 for some grades. Sorry for the noise on the list.

Cheers,
Volker
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