UML22 — Use the new 'dot' notation in examples

Currently there is only one example of its use. However most of the examples have taken an unadorned line to indicate that both ends are owned by the respective classes: now the same diagram indicates both ends are owned by the association. Though tools may be at liberty to hid the adornments the spec itself should be extremely precise in the examples and show the adornments explicitly since otherwise the diagrams are ambiguous.
Note that the conventions in 6.5.2 explicitly apply only to the diagrams for the metamodel itself (see line 1 of 6.5.2).

This is a duplicate of issue 9372