* mandos.xml (SYNOPSIS): Removed unnecessary 'choice="opt"' from <arg> tags. Also show the "-h" option. (OPTIONS): Note that failure to obey the "--interface" option is not considered critical. (ENVIRONMENT): New section to document the use of PATH by /bin/sh. (FILES): Added "/bin/sh". (BUGS): Add five bugs from the TODO file. (EXAMPLES): Renamed to "EXAMPLE", as per man-pages(7). (SERVER, CLIENTS): Added "id" attribute. (CLIENT): Document the security implications of one of the five bugs added to the BUGS section.