Thread: Do you consider PDF to be a legitimate "e-book" format? Why or why not?
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Old 01-22-2008, 08:13 PM   #84
kovidgoyal
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The important point here is that the two modes restrict each other.

A tagged PDF cannot support all the typographical niceties of an untagged PDF, nor can it support all the features of a dedicated reflowable format. Tagged PDF is a compromise that adobe bolted on to PDF to try and make it work for accessibility and ebook applications. Why do you think Adobe is developing epub if tagged PDF was any good as an ebook format?
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