birdfont(1) on Linux
The text 9891a73d343b, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
font editor
Flags it lists
-
--exit -
--fatal-warning -
--help -
--show-coordinates -
--slow -
-c -
-e -
-f -
-h -
-s -
-t