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-‘preview’ is the ‘image viewer’ + ‘PDF viewer’ of the ‘macOS operating system’-
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*’preview’ is the ‘default app’ used when opening ‘image files’*
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(it enables users to view + print ‘digital images’ + ‘Portable Document Format’ (PDF) files)
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[‘preview’ uses apple’s implementation of the PDF specification…]
*the ‘aqua graphical user interface’*
*the ‘quartz graphics layer’*
(ImageIO + core image frameworks’*
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*SKETCHES*
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|/\-*WIKI-LINK*-/\|.
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