Very strange. That does sound like it could be an OpenJDK bug. I guess. I notice...
Thanks. That'll be fixed in the next CR release.
Support images in multiple resolutions
Moved to https://github.com/docbook/docbook/issues/49
Issues with Docbook 5.1 CR3 RNG-based schemas
Resolved. https://github.com/docbook/docbook/issues/48
Thanks. I've corrected these errors for the next release, hopefully today or Mon...
We added result in 5.1
<result> tag
Added an attribute for this purpose in 5.1
Add see/seealso under
Microdata or RDFa 1.1 Lite support for schema.org
We added RDFa Lite to 5.1
Fixed in 5.1, we allow multiple videodata elements.
HTML5 Audio + Video multiple sources
Bug in sect1 definition in DocBook 5.1CR2
Fixed in github
Bug in sect1 definition in DocBook 5.1CR2