I had a look through the XPS standard and had a similar feeling. I complained to a friend that had been involved in one of the bigger pdf libraries. He then mad

I had a look through the XPS standard and had a similar feeling. I complained to a friend that had been involved in one of the bigger pdf libraries. He then made me compare it to his version of the pdf 2.0 (iirc) standard. That is truly nightmare material. Especially considering a non-trivial percentage of pdfs circulating are non-conformant and people still expect them to render...