SECTION 1.1
27
About This Book
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user to interact with a document on the screen by using the mouse and key-
board.
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embedding and playing multimedia content, including video, music and 3D
artwork.
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porate higher-level information that is useful for the interchange of documents
among applications.
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visual content of a PDF document.
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ators that can be used in PostScript calculator functions, which contain code
written in a small subset of the PostScript language.
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limits imposed by the Acrobat viewer applications.
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codings that are assumed to be predefined in any PDF consumer application.
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opers by Adobe Systems, that contains private names and formats used by PDF
producers or Acrobat plug-in extensions.
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tion designed to work efficiently in network environments.
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structure of actual PDF files, ranging from one containing a minimal one-page
document to one showing how the structure of a PDF file evolves over the
course of several revisions.
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the behavior of Acrobat viewer applications and describes how consumer appli-
cations should handle PDF files containing features that they do not recognize.
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for calculating an object digest (discussed in Section 8.7, “Digital Signatures”).