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From: Marc Davis <marcdavis441@gmail.com>
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Subject: Mollify PDF before merging
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Date: Wed, 1 Oct 2014 09:21:37 -0400
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I use pdfbox to merge PDF files but we find that many files from =
scanners or files generated from AutoCAD do not merge properly (they are =
either blank or missing fonts).  However, when we open and save the file =
in a native reader such as Adobe Reader (Windows) or Preview in Mac, and =
then merge again, the merge works fine!

Is there a workaround for this in PDFBox?

Thanks,
Marc