[fpc-pascal] FPC on USB

[Marco van de Voort]

In our previous episode, Graeme Geldenhuys said:
> > that FPC writes to the windows registry and was curious as to how 
> > critical that information is to the operation of FPC from the USB.
> 
> I was not aware of that. What is actually written to the registry? I thought the compiler only uses the fpc.cfg file.

The windows installer can register certain pascal extensions with the
textmode IDE.  

For the rest is it the adding to the PATH and the fpc.cfg file.