[fpc-pascal] Set format

[Marco van de Voort]

> On 14 nov 2006, at 12:32, Ewald Horn wrote:
> 
> > is it possible to keep a legacy reader in place ? That way it'll be  
> > easy to read old data and convert it to the new format and have  
> > little impact on historic data. If you happen to work on a big  
> > endian machine you could then do a once-off conversion.
> 
> We'd definitely provide a conversion function to convert from the old  
> format to the new one, yes.

{$packset} support ?