Sometimes a problem seems hard, but the right insight can make it easy. If you were asked to write a program to compare two PDF files and show the differences, how hard do you think that would be? If ...
Acrobat 9 comes in four versions: the free Adobe Reader (no Acrobat in the name, just Reader), and three commercial versions, Acrobat 9 Standard, Acrobat 9 Pro, and Acrobat 9 Pro Extended. The ...
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