Am Sun, 12 Aug 2018 11:30:03 +0200 schrieb Hans Hagen: > (i don't have these iso standards > as i'm not going to spend money on iso standards) One can see quite a number of rules here: https://github.com/veraPDF/veraPDF-validation-profiles/wiki/PDFA-Part-1-rules -- Ulrike Fischer https://www.troubleshooting-tex.de/