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The other thing that Apple did while developing OSX was to replace Display PostScript with an in-house implementation of Adobe's open PDF specification. https:

The other thing that Apple did while developing OSX was to replace Display PostScript with an in-house implementation of Adobe's open PDF specification. https://en.wikipedia.org/wiki/Quartz_2D https://en.wikipedia.org/wiki/Quartz_2D

pasc1878 3y ago
Beacuse Apple and Adobe could not agree on licensing costs.
- detourdog 3y ago
  I think it had just as much to do with adding a better compositing layer. That was when suddenly the GUI had a third dimension.