[fpc-pascal] FileIO in FPC 3.0

[Marco van de Voort]

In our previous episode, Mattias Gaertner said:
> Yes. I see invalid UTF-8 file names on Linux systems often (cannot be
> converted to UTF-16).
> 
> Are invalid UTF-16 file names under Windows really a practical
> problem?
> What program allows to create invalid UTF-16 file names?
> With "invalid UTF-16" I mean not-convertable-to-UTF-8. I don't mean invalid code points.

Not likely. I think it is more something for the security side of things
than normal operation. (path traversal issues when not guarded by
permissions)