(:documentation "Create a new graph of type `graph-type'. Graph type can be
a symbol naming a sub-class of basic-graph or a list. If it is a list of symbols naming
different classes. If graph-type is a list, then a class which has all of the listed
classes as superclasses will be found (or created). In either case, the new graph will
be created as if with a call to make-instance."))
(:documentation "Create a new graph of type `graph-type'. Graph type can be
a symbol naming a sub-class of basic-graph or a list. If it is a list of symbols naming
different classes. If graph-type is a list, then a class which has all of the listed
classes as superclasses will be found (or created). In either case, the new graph will
be created as if with a call to make-instance."))