> Here is a rewrite of the BNF for the basic syntax. It is ad-hoc but
> tighter: elements/attrbutes within attributes are excluded and
> the restriction on combining datatypes is not required.
This BNF still has a loophole:
<grammar>
<start name="start">
<element name="foo">
<attribute name="bar">
<ref name="start" />
</attribute>
</element>
</start>
</grammar>
I don't think schema is enough to completely prohibit them: we need more
powerful key/keyref capability.
--
Kohsuke KAWAGUCHI +1 650 786 0721
Sun Microsystems
