What is the current Unicode stance on subscripts and superscripts for mathematical use?

[Kent Karlsson]

> 23 juni 2020 kl. 01:09 skrev Marius Spix via Unicode <unicode at unicode.org>:
> 
> This can already be done by rich text. Unicode includes some
> superscript characters like ², ³ or ° (the degree sign is a superscript
> version of the white circle U+25CB) 

The degree sign is in origin a superscript 0 (zero), but now distinct from superscript 0 (and from superscript o, which in addition happens to be doubly encoded in Unicode…).

/Kent K