How to show all options available

[Johan Wevers]

I remember gpg used to have an option to show all options the program
recognises, even ones that don't show up with gpg --help. I can't find
it in the docs any more, and neither in g10/g10.c. Is this option still
available?

-- 
ir. J.C.A. Wevers         //  Physics and science fiction site:
johanw@vulcan.xs4all.nl   //  http://www.xs4all.nl/~johanw/index.html
PGP/GPG public keys at http://www.xs4all.nl/~johanw/pgpkeys.html