A last missing link for interoperable representation

[Richard Wordingham via Unicode]

On Tue, 15 Jan 2019 00:02:49 +0100
Hans Åberg via Unicode <unicode at unicode.org> wrote:

> > On 14 Jan 2019, at 23:43, James Kass via Unicode
> > <unicode at unicode.org> wrote:
> > 
> > Hans Åberg wrote,
> >   
> > > How about using U+0301 COMBINING ACUTE ACCENT: ����������́  
> > 
> > Thought about using a combining accent.  Figured it would just
> > display with a dotted circle but neglected to try it out first.  It
> > actually renders perfectly here.  /That's/ good to know.  (smile)  
> 
> It is a bit off here. One can try math, too: the derivative of ��(��)
> is ��̇(��).

No it isn't.  You should be using a spacing character for
differentiation.  On the other hand, one uses a combining circumflex
for Fourier transforms.

Richard.