comtab-mixin

This is a non-instantiable class which must be a superclass of any window class whose instances are to be given comtabs. text-edit-pane is the only built-in instantiable window class that has comtab-mixin as a superclass. If comtabs are desired on other windows, then a subclass must first be created with comtab-mixin as one of the superclasses.

See set-event-function, whose description includes a comtab example.

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Created 2010.1.21.