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.robin...@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/>