cyrillic characters in mathematical symbols

[ludvig-faddeev]

> Sent: Wednesday, June 09, 2021 at 1:49 PM
> From: "Leo Butler" <leo.butler@umanitoba.ca>
> To: "help-texinfo gnu" <help-texinfo@gnu.org>
> Subject: Re: cyrillic characters in mathematical symbols
>
> ludvig-faddeev@gmx.com writes:
>
> >> On Thu, May 13, 2021 at 03:18:03PM +0200, ludvig-faddeev@gmx.com wrote:
> >> > Does texinfo accept cyrillic characters in mathematical symbols?
> >> >
> >>
> >> I don't know about mathematics formatting.  There doesn't appear to be
> >> any special support for it in texinfo.tex.  I have this file on my
> >> hard disk (based on copyright page it is the Texinfo manual from 1999),
> >> but I don't know how it was produced.
> >
> > Could we figure that out?
> >
> > There are a lot of russian mathematical work, which although
> > published are hardly ever cited.  And it would be better if
> > people could use the original nomenclature than using other
> > symbols such as greek or latin instead.
>
> texinfo.tex has \DeclareUnicodeCharacter, which has all the power you
> need, I suspect.
>
> Btw, as a mathematician, I don't feel compelled to use the same symbols
> as someone else. The ideas are important, the packaging is less so.
>
> Leo

Of course, but expanding the possibilities is not a bad thing either.  I still
find value in standardisation, rather than having everybody using a different
nomenclature, especially during reviews.

Do you know how to use the feature you mentioned? Perhaps some examples would
help greatly.

Many thanks.