PPROPplistnamepropertynamevalue
Adds a property to the property list named plistname.
The property will be named propertyname and have the value value.
If no property list named plistname exists, then it will be created.
If the property named propertyname already has a value in the property list, then the value is replaced.
Both plistname and propertyname must be words.
PPROP "plist1 "p1 1 PPROP "plist1 "p2 2 PPROP "plist2 "p1 10 PPROP "plist2 "p2 20 SHOW GPROP "plist1 "p11SHOW GPROP "plist1 "p22SHOW GPROP "plist2 "p110SHOW GPROP "plist2 "p220