PDF specs

[Tom Diamond]

Ξέρει κανείς που μπορώ να βρω τα specifications για τα αρχεία pdf κα ps; 
Αν δεν κάνω λάθος και οι δύο τύποι αρχείων είναι open ...

Tnx,

Tom.

-- 
The man thinks ... the horse thinks ... the sheep thinks ...
the cow thinks ... the dog thinks ...

The fish doesn't think ... the fish is mute, expressionless ...
The fish doesn't think because the fish knows everything ...

- Diamonds are for ever ...