- @|t|, @|yes|, @|on|, or @|verily|; or false if it is @|false|, @|nil|,
- @|no|, @|off|, or @|nowise|; it is erroneous to provide any other
- identifier where a boolean value is wanted. A value of type @|int| is
- considered true if it is nonzero, or false if it is zero.
+ @|t|, @|yes|, @|on|, @|yup|, or @|verily|; or false if it is @|false|,
+ @|nil|, @|no|, @|off|, @|nope|, or @|nowise|; it is erroneous to provide
+ any other identifier where a boolean value is wanted. A value of type
+ @|int| is considered true if it is nonzero, or false if it is zero.