[fptex] -output-directory

[Fabrice Popineau]

> Is the latex option
> 
> -output-directory
> 
> a special fptex feature? None of UNIX/LINUX latex seems to have
> it.

Yes. MiKTeX has this option, and even a more specific one now to tell where
to put the output file and where to put the other files (log, aux, etc).

Maybe I'll add that too if there are users asking for it.

Fabrice