[ptx] some improvments

[spec at webtech.pl]

Pablo d'Angelo wrote:

>Hi!
>
>I'm just preparing a new snapshot, with the following main changes:
>
>1. support spaces in filenames. Does anybody know how to escape a " inside
>   a cmd line argument on windows? (For usage with the CreateProcess() function).
>
I'm not sure if there's such a thing. Additionally if you find it it may 
not work in windows 98. So I wouldn't concern my self with that if I was 
you.

Marek