To avoid issues, here are a couple of things you can do to have good metadata output:
- make sure all the maps and topics have an @id attribute in the root element, and that it is unique in your organization (translations excepted).
- make sure all the maps and topics have a @xml:lang attribute in the root element that respects the recommendations of the W3C. Due to certain spelling and cultural
variants (e.g. date formats), distinguishing Bristish English (en-UK) and American English (en-US) is recommended.
- make sure your topicref have a @format attribute with the right value. It can go well without, looking for '.dita' in the @href value, but some URL might abuse this rule
(eg. @href="http://blog.dita.xml.org").
