http://bugs.winehq.org/show_bug.cgi?id=25049
--- Comment #20 from Nikolay Sivov bunglehead@gmail.com 2011-03-08 12:01:43 CST --- (In reply to comment #19)
The problem is clear actually, at least a first visible one. We don't support loading referenced schema files from disk - main reason is because we don't use libxml2 to load from disk so it does now initial context path.
err.. *doesn't know*, sorry.