At 2024-01-10T14:23:24+0100, Tadziu Hoffmann wrote: > > Note that there is no SS for 'devpdf'. So, from where does > > -Tpdf find (or construct) the slanted versions of the Greek > > letters if the standard symbol font has upright Greek letters? > > Or are the two 'S' fonts different for -Tpdf and -Tps? > > In the current groff release, the slanted Greek characters > are constructed from the characters in the standard Symbol > font using .char in pdf.tmac:
Not just the current groff release! This approach goes back to 2011, the very birth of gropdf(1). https://git.savannah.gnu.org/cgit/groff.git/commit/?id=87046b294848179768c69bb01fbbadb86921e86e Regards, Branden
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