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Rather than keeping a list of buffers for every write, accumulate bytes in a single buffer, doubling the size of the buffer when needed to accommodate new data. This is not the best possible implementation, but the change was implemented in this way to avoid changing the shape of Pl_Buffer and thus breaking backward compatibility.
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Remove form flattening Clarify splitting/merging with document level constructs
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Forgot to delete a buffer in the test driver. There was no memory leak or memory error in any installed code.
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Give objects descriptions and context so it is possible to issue warnings instead of fatal errors for attempts to access objects of the wrong type.
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This is useful only for debugging the linearization code.
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Add options to enable the raw encryption key to be directly shown or specified. Thanks to Didier Stevens <didier.stevens@gmail.com> for the idea and contribution of one implementation of this idea.
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The Apache License version 2.0 is now the primary license for qpdf. However, users may, at their option, continue to use Artistic version 2.0.
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Tweak the message so that we inform the user that we are mitigating data loss.
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Replace the old msys, mingw-w64, ActiveState perl setup with MSYS2. This greatly simplifies the Windows build. This was facilitated by the need to incorporate JPEG.
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Also update maintainer documentation on binary compatibility testing.
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For non-encrypted files, determinstic ID generation uses file contents instead of timestamp and file name. At a small runtime cost, this enables generation of the same /ID if the same inputs are converted in the same way multiple times.