[fpc-devel] class abstract, class sealed implementation. please review.

[Marco van de Voort]

In our previous episode, Paul Ishenin said:
> > I don't believe in that magnitude of control, and for meaning we typically
> > use comments, not language features.
> 
> Comments are language features too. Treat sealed as a strong comment for 
> those who don't read comments.

That's the weakest motivation for a language feature that I ever saw.
"comment for people that don't read comments) :-)