A last missing link for interoperable representation

[Julian Bradfield via Unicode]

On 2019-01-14, James Kass via Unicode <unicode at 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.  Check this message from 2013 which includes the 
> following, copy/pasted from the web page into Notepad:
>
> �������� ���� ��������.������������������  © �������� �������� ��������  
> ������������.������/��������������������
>
> 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"?

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