$OPTSUB N= <Text> ; <Language> = <Text> ;
$OPTION_SUBMENU

This command opens a submenu in the option menu. The following $OPT, $OPTION, $OPTCMD, $OPTION_COMMAND commands create menu entries in the submenu. The $OPTEND, $OPTION_SUBMENU_END commands terminate the submenu - after an $OPTEND the following menu entries will be shown after the entry created by the $OPTSUB command.

Option submenus can be nested up to 3 levels.