On Mon, Nov 28, 2011 at 3:42 PM, Henrik Levkowetz <henrik@xxxxxxxxxxxxx> wrote: > > The validator tells me that the files which validate does so against > both A-1a and A-1b, which if I understand things correctly indicate > that it's 1a-compliant, since 1b is a subset of 1a. For those who like to geek-out on the details: http://www.pdfa.org/2011/08/improved-pdfa-1b/ Level A conformance is the superset of PDF/A-1b. Over and above the features offered by level B, level A offers the following features that are important for providing accessible content....Any PDF/A-1a-compliant file is also a valid PDF/A-1b file, and all variants are based on PDF 1.4 (the PDF version that was introduced with Acrobat 5). _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf