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→Modern derivatives: you cannot copyright a language, so it is not clear how one language can be less conscribed by 'copyright stipulations' than another language |
→Modern derivatives: careful not to make legal claims on behalf of another |
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== Modern derivatives ==
[[Apple Computer|Apple]]'s [[Mac OS X]] operating system uses a central window server (created entirely by Apple) that caches window graphics as [[Portable Document Format|PDF]], instead of storing and executing PostScript code{{Citation needed|date=February 2018}}. A graphics library called [[Quartz 2D]] provides PostScript-style imaging using the PDF rendering model (a subset, plus tweaks, of the PostScript model), but this is used by application frameworks—there is no PostScript present in the Mac OS X window server. Apple chose to use this model for a variety of reasons, including the avoidance of licensing fees for DPS and more efficient support of legacy [[Carbon (API)|Carbon]] and [[Classic (Mac OS X)|Classic]] code; [[QuickDraw]]-based applications use bitmapped drawing exclusively. Adobe's [[copyright]] stipulations{{citation needed}}
== See also ==
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