<!--
    From: "Henry S. Thompson" <[email protected]>

    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>
&empty;
<a/>
&space;
<a/>
<![CDATA[]]>
<a/>
<![CDATA[ ]]>
<a/>
</foo>