Andrey Budko - 2011-05-11

What is manpage?

prboom-plus-2.5.0.8.tar\prboom-plus-2.5.0.8\doc\prboom-plus-usage.txt contains some info about skipsec.

But you are right. There are many new command line switches and features which are not in the usage.txt. I did not write that file. Grazza from doomworld.com forums wrote it,