xchm(1) on Linux
The text a4e1f085233b, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Compiled HTML Help (CHM) file viewer for X.
Flags it lists
-
--contextid -
--help -
-c -
-h