Re: Greek and Russian in Groff

[Sigfrid Lundberg]

Hi, I'm on the list with another address, so only  the two of you will get
this directly, not the list.
Anyway, once I made catalogue of medieval manuscripts, and in that was a
section with diacritical characters from Byzantine Greek. It worked nicely
with the Kerkis font:

http://iris.math.aegean.gr/kerkis/

I believe I used the devdvi driver.

Yours

Sigfrid


On Sat, 25 Mar 2023 at 10:27, G. Branden Robinson <
g.branden.robinson@gmail.com> wrote:

> [self-follow-up]
>
> At 2023-03-25T03:04:32-0500, G. Branden Robinson wrote:
> > 2.  Should we test more characters?  We could have an `if` request for
> >     each one of interest, but that would rapidly become lengthy.  We
> >     might consider an extension to the 'c' conditional expression
> >     predicate such that it will test each ordinary or special character
> >     in its argument in turn, returning true only if _all_ characters are
> >     resolvable.  This would make checking a large set of glyphs less
> >     garrulous.  (At present, it simply ignores all characters after the
> >     first, while still recognizing special character escape sequence
> >     syntax.)
>
> I need to correct that last statement; adding characters to a 'c'
> conditional expression predicate causes the test to fail, always.
>
> $ groff -z
> .if c ab .tm a and b are defined
> .if c a .tm a is defined
> a is defined
> .if c \[-] .tm minus is defined
> minus is defined
> .if c \[-]a .tm minus and a are defined
>
> Regards,
> Branden
>


-- 
Sigfrid Lundberg, Ph.D., System developer
Lund, Sweden
https://sigfrid-lundberg.se/ <http://sigfrid-lundberg.se/>