Working on a different problem, I realized that QR Codes worked or did not work in the documents, different only in their Forest trees. It appears that if the 2nd last node (Child10) of Forest is ...
I've got a strange issue with the packages pstricks/pst-barcode and fancyhdr. Here is what I like to do: A custom header for every page, Name on the left, QR-code on the right. Although the QR-code ...