SYSML16 — Binding connectors in internal block diagrams must always show the keyword

According to table 8.4 it is allowed to show a binding connector without keyword <<equal>>. In that case it is identical with the normal Connector and makes the diagram ambiguous. The keyword should be mandatory.

Make keyword notation for binding connectors in internal block diagrams mandatory

Binding connectors without a keyword in internal block diagrams could not be distinguished from normal Connectors. The keyword must be mandatory to avoid ambiguity.