On 2019-01-14, James Kass via Unicode <unicode@unicode.org> wrote: > Julian Bradfield wrote, > > I have never seen a Unicode math alphabet character in email > > outside this list. > > It's being done though.ย Check this message from 2013 which includes the > following, copy/pasted from the web page into Notepad: > > ๐๐๐๐ ๐๐ ๐๐ณ๐ฎ๐ญ.๐ฅ๐ฑ๐ ๐ฌ๐ค๐ถ๐ฎ๐ฑ๐ชย ยฉ ๐ฎ๐ฌ๐ญ๐ฏ ๐ ๐ซ๐ค๐ท ๐ฆ๐ฑ๐ ๐ธย > ๐๐๐๐๐๐ป.๐ผ๐๐/๐บ๐ฟ๐ฎ๐น๐ฒ๐ ๐ด๐ฟ๐ฎ๐ > > https://apple.stackexchange.com/questions/104159/what-are-these-characters-and-how-can-i-use-them
Which makes the point very nicely. They're not being *used* to do maths, they're being played with for purely decorative purposes, and moreover in a way which breaks the actual intended use as a URL. If you introduce random stuff into Unicode, people will play with it (or use it for phishing). The whole thread is, as it says, "what is this weird stuff"? -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.