of class A.
Previously they would become subclasses of TInstantObject.</p>
</li>
<li><p>New class B in model unit X has a base class A in model unit Y.
When adding new class B, unit Y will be automatically
added to the Interface uses clause of unit X.<br /></p>
</li>
<li><p>Whenever a unit is added to the uses clause of an interface
section, that unit is removed from the implementation
section uses clause if present. Whenever a unit is added to the
implementation section uses clause, check the interface sec