mflag(1) on Linux
The text 03ab0e7b44b0, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
manipulate maildir message flags
Flags it lists
-
-D -
-F -
-P -
-R -
-S -
-T -
-X -
-d -
-f -
-p -
-r -
-s -
-t -
-v -
-x