================================================================
Logtalk - Open source object-oriented logic programming language
Release 2.30.2
Copyright (c) 1998-2007 Paulo Moura. All Rights Reserved.
To load all entities in this group load the dependents_loader.lgt
utility file:
| ?- logtalk_load(dependents_loader).
The categories "observer" and "subject" implement the Smalltalk
dependent handling mechanism.