[rescue] OS X is certified UNIX

[Sridhar Ayengar]

Micah R Ledbetter wrote:
> My understanding was that the Mac API was ported to the NeXT UI,  
> rather than the other way 'round. NeXTSTEP used postscript; Aqua uses  
> PDF. (I figured this change was due to expensive licensing for  
> postscript.)

If you go under all of the layers of encapsulation in PDF, isn't it just 
Postscript underneath?

Peace...  Sridhar