[rescue] OS X is certified UNIX

Charles Shannon Hendrix shannon at widomaker.com
Thu Jun 14 22:20:17 CDT 2007

Sridhar Ayengar wrote:
> 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?\

No, it isn't.

PDF is only a subset of PostScript.

It has the drawing commands only.  It lacks the programming parts of the 
language, and a few other bits deemed not necessary to represent a "document".

shannon           | An Irishman is never drunk as long as he can hold onto
                   | one blade of grass and not fall off the face of the earth.

More information about the rescue mailing list