Jay Berkenbilt c2023db265 Implement changes suggested by Zarko and our subsequent conversations: ... - Add a way to set the minimum PDF version - Add a way to force the PDF version - Have isEncrypted return true if an /Encrypt dictionary exists even when we can't read the file - Allow qpdf_init_write to be called multiple times - Update some comments in headers git-svn-id: svn+q:///qpdf/trunk@748 71b93d88-0707-0410-a8cf-f5a4172ac649		2009-10-05 00:42:48 +00:00
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qpdf	Implement changes suggested by Zarko and our subsequent conversations:	2009-10-05 00:42:48 +00:00