I am not sure that it makes sense to mention implementation details in the man page in this regard (i.e. libevent). If people want to know the details, they can read the source code.
In any event, true and false are not reserved words. Regards, Rob Index: ifstated.conf.5 =================================================================== RCS file: /cvs/src/usr.sbin/ifstated/ifstated.conf.5,v retrieving revision 1.9 diff -u -p -r1.9 ifstated.conf.5 --- ifstated.conf.5 24 Apr 2012 14:56:09 -0000 1.9 +++ ifstated.conf.5 7 Jul 2017 13:36:22 -0000 @@ -101,10 +101,7 @@ net = '( "ping -q -c 1 -w 1 192.168.0.1 .Sh TESTS AND EVENTS .Xr ifstated 8 delegates the process of testing to libevent which associates a value with -every test, in this case -.Em true -or -.Em false . +every test, in this case true or false . Whenever the value of a test associated with the current state changes, an event is triggered and the state's body is processed. .Sh STATE DEFINITIONS
