Index: doc/property.man.inc
===================================================================
diff -u -r8f64a468d8bb53f2ba317c8c738c2d3a24243980 -rfc11b2380eef48346410636908936e9468c74807
--- doc/property.man.inc	(.../property.man.inc)	(revision 8f64a468d8bb53f2ba317c8c738c2d3a24243980)
+++ doc/property.man.inc	(.../property.man.inc)	(revision fc11b2380eef48346410636908936e9468c74807)
@@ -27,9 +27,12 @@
 
 [para] 
 
-If [option "-accessor"] is set, a property will provide for
-a pair of getter and setter methods:
+If [option "-accessor"] is set, a property will provide for different
+getter and setter methods:
 [list_begin definitions]
+[def "[arg obj] [arg propertyName] [method exists]"]
+Returns 1 if the value store of [arg propertyName] (e.g., an object
+variable) exists and has been given a value, returns 0 otherwise.
 [def "[arg obj] [arg propertyName] [method set] [arg value]"]
 Sets the [term property] [arg propertyName] to [arg value].
 [def "[arg obj] [arg propertyName] [method get]"]