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2012-07-15 Jay Berkenbilt <ejb@ql.org>
+ * add new QPDF::isEncrypted method that returns some additional
+ information beyond other versions.
+
+ * libqpdf/QPDFWriter.cc: fix copyEncryptionParameters to fix the
+ minimum PDF version based on other file's encryption needs. This
+ is a fix to code added on 2012-07-14 and did not impact previously
+ released code.
+
* libqpdf/QPDFWriter.cc (copyEncryptionParameters): Bug fix: qpdf
was not preserving whether or not AES encryption was being used
- when copying encryption parameters.
+ when copying encryption parameters. The file would still have
+ been properly encrypted, but a file that started off encrypted
+ with AES could have become encrypted with RC4.
2012-07-14 Jay Berkenbilt <ejb@ql.org>