wok annotate diffpdf/description.txt @ rev 23214

updated nagvis and nagvis-doc (1.9.11 -> 1.9.18)
author Hans-G?nter Theisgen
date Sat Mar 21 15:07:17 2020 +0100 (2020-03-21)
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Hans-G?nter@22645 1 diffpdf is used to compare two PDF files.
Hans-G?nter@22645 2
Hans-G?nter@22645 3 By default the comparison is of the words on each pair of pages,
Hans-G?nter@22645 4 but comparing character by character is also supported (e.g., for
Hans-G?nter@22645 5 logographic languages).
Hans-G?nter@22645 6 And there's also support for comparing the pages by appearance
Hans-G?nter@22645 7 (for example, if a diagram is changed or if a paragraph is
Hans-G?nter@22645 8 reformatted, or a font changed).
Hans-G?nter@22645 9 It is also possible to compare particular pages or page ranges.