<!-- From: "Henry S. Thompson" <ht@cogsci.ed.ac.uk> I'd be interested in reports from validating parsers wrt the following:--><!DOCTYPE foo [
<!ELEMENT foo (a+)><!ENTITY empty ''><!ENTITY space ' '><!ELEMENT a EMPTY>]><foo>∅<a/>&space;<a/>
<![CDATA[]]><a/>
<![CDATA[ ]]><a/></foo>