Bit arithmetic on Unicode characters?

Richard Wordingham richard.wordingham at
Fri Oct 7 17:21:03 CDT 2016

On Fri, 07 Oct 2016 09:06:31 -0700
"Doug Ewell" <doug at> wrote:

> Richard Wordingham wrote:

> > Perhaps there is just enough information in the UCD to allow
> > exhaustive, automated tests.

> I can't find anything in the UCD that distinguishes one "font variant"
> from another (UnicodeData.txt shown as an example):

> 1D400;MATHEMATICAL BOLD CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;;
> 1D434;MATHEMATICAL ITALIC CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;;
> 1D468;MATHEMATICAL BOLD ITALIC CAPITAL A;Lu;0;L;<font> 0041;;;;N;;;;;

It's in that most treacherous of properties, the character's name.


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