xttpd(8) on Linux
The text 4719d2d74a8e, as Debian 11 (Bullseye) shipped it. The page shows this text now.
Harmonic tide clock and tide predictor (web server)
Flags it lists
-
-Dc -
-Mc -
-cf -
-dc -
-df -
-ec -
-el -
-em -
-fc -
-fg -
-ga -
-gh -
-gs -
-gt -
-gw -
-hf -
-in -
-lb -
-lw -
-mc -
-nc -
-ou -
-pb -
-pi -
-tf -
-tl -
-u -
-v -
-z