I'm surprised to see the properties I'm most interested in neither in these tests nor in plutoprints supported css. I'm talking about `text-wrap: pretty` (potentially avoid rivers and orpahns, depending on implementation), `orphans`, `widows` and the various `break-`.
I'm not sure your point. CSS print conformance is extremely complex. There is a fairly well known open source test suite, that's fully dynamic, that can be run with visual outputs, fail/pass metrics etc. That would give an interested new user a much better grounding if the library is worth using, considering there are already several other options.