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TODO: notes about document-level work
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TODO
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TODO
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Document-level work
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===================
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* See also issues tagged with "pages"
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* There is going to be a lot of duplicated code for doc-level stuff
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between pages and split pages. That should be refactored. Perhaps
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some kind of general method should be added to
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QPDFPageDocumentHelper for copying a page from one file to another
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and preserving document-level features. I will need to think about
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how to make it efficient for bulk operations. Probably making it
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work from qpdf.cc will be sufficient. I also need to think about how
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to selectively turn on or off specific document-level features,
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perhaps using flags or something.
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* Add flags to CLI to select which document-level options to
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preserve or not preserve. We will probably need a pair of mutually
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exclusive, repeatable options with a way to specify all, none, only
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{x,y}, or all but {x,y}.
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* If a page contains a reference a file attachment annotation, when
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that page is copied, if the file attachment appears in the top-level
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EmbeddedFiles tree, that entry should be preserved in the
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destination file. Otherwise, we probably will require the use of
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--copy-attachments-from to preserve these. What will the strategy be
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for deduplicating in the automatic case?
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* When I get to tagged PDF, note that the presence of /Artifact and
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/Standard (and maybe others?) causes a false positive on detection
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of unresolved names. Example: form-fields-and-annotations.pdf. This
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used to give a warning (never in a released version), but the
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warning was removed. See comments about tagged pdf in
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QPDFPageObjectHelper::removeUnreferencedResourcesHelper. Another
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potential solution is to recognize names that refer to fonts and
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xobjects but only looking at names used with Tf and Do operators.
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Fuzz Errors
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Fuzz Errors
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===========
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===========
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