[fpc-pascal] class operator in record

[Marco van de Voort]

In our previous episode, Sven Barth said:
> >
> > why not "record operator"?
> >
> > Are these advanced neo-records considered classes?
> 
> It's simply that Delphi introduced static methods to records using the same
> syntax as for classes and operators followed along.
> 
> We've simply followed that along as we would have needed to do so at least
> for mode Delphi anyway and the implementor of advanced records decided not
> to deviate from that.

Moreover it doesn't add anything and it only means an extra requirement for
editing to change a record to a class and viceversa.