Andrew E Switala wrote: > Considering the post that started this thread, maintaining the > current semantics without using default attribute values would > require an explicit "xlink:type='simple'" on every <titleInfo>, > <relatedItem>, <name>, etc. *even if no "href" attribute is present*. Right ... I forgot again that XSD doesn't allow attribute-based validation. Sigh ... it explains the DTD/XSD hack of default values. Bruce