table 3-6. UTF-8 bit distribution

[Martin J. Dürst]

On 2025-09-12 04:21, yitin--- via Unicode wrote:
> https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G27288
> 
> What is the significance of using different letters (x,y,z,u)
> for different bits?  I don't see any consistent pattern in
> the naming.

It is quite customary in math,... to start with x, y, z for variable 
names and then continue with u (, v, w). But of course other choices 
would have worked, too.

Regards,   Martin.

> https://www.rfc-editor.org/rfc/rfc3629 just
> uses x for all of them.