[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
> 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.
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