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The version of the PDF document is read ONLY in the header. PDF 1.4 allows the version to also be specified in the document catalog (see section 3.6.1 PDF 1.5 reference).
The version of the PDF document is read ONLY in the header. PDF 1.4 allows the version to also be specified in the document catalog (see section 3.6.1 PDF 1.5 reference).