afmtodit(1) on Linux
The text d304d1949d21, as Debian 13 (Trixie) shipped it.
adapt Adobe Font Metrics files for groff PostScript and PDF output
Flags it lists
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-a -
-c -
-d -
-e -
-f -
-i -
-k -
-m -
-n -
-o -
-s -
-w -
-x