Docbook-rng link within entry Element

docbook-rng-5.0b2 docbook-xsl-1.69.1 oxygen-7.0 (eclipse
plug-in) saxon-6.5.5

 

The following table fragment:

 

    ….

    ….

    <entry><link
ns1:href=""http://www.foo.org/" "><important><para>foo</para></important></entry>

    ….

    ….

 

will not validate while

 

    ….

    ….

    <entry><link
ns1:href=""http://www.foo.org" "/></entry>

    ….

    ….

 

or

 

    ….

    ….

    <entry><important><para>foo</para></important></entry>

    ….

    ….

 

will validate

 

Is this by design or an oversight?

 

ps: xmlns:ns1="http://www.w3.org/1999/xlink” is
declared in the root

 

 

Ray