arguments must be placed before options with arguments.
- manual page cross references are done using the macro `.Xr',
not the macro `.Nm' (used for command names instead).
From Igor Sobrado.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20310 ec53bebd-3082-4978-b11e-865c3cabbd6b