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Flatten annotations by integrating their appearance streams into the content stream of the containing page. In the case of form fields, only flatten if /NeedAppearance is false (or equivalently absent). If flattening form fields, also remove /AcroForm from the document catalog.
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Unparse is admittedly strange, but I'd rather be strange and consistent, and everything else in the qpdf library uses unparse to serialize. (If you're reading this, the convention of using "unparse" comes from the "clu" programming language.)
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When @file is used and file doesn't exist, just treat it as a normal argument.
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The json mode implemented in this commit is not the final version, or are the command line arguments used to invoke it.
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Also move tests to libtests.
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Some files in the test suite trigger antivirus warnings. These are not infected files with malicious intent. They are test files to ensure that qpdf does not crash when it encounters the files. This change enables those files to be obfuscated in the source repository so that checking out qpdf from version control or extracting the source code doesn't trigger antivirus warnings.
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This fix allows qpdf to compile/test cleanly with gcc 8.
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CR, CRLF, and LF are all supposed to be treated as LF; only one EOL is to be ignored after backslash.
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Turns out you can keep adding zero to a number over and over again and it just doesn't get any bigger. Who would have known?