The process of TEI content models proceeds apace and (as might be
expected) is turning up a few oddities in some unfrequented corners.
For example, the content model of <langUsage> is currently (in the source)
<content>
<oneOrMore xmlns="http://relaxng.org/ns/structure/1.0">
<choice>
<!-- <rng:ref name="p"/>-->
<ref name="language"/>
</choice>
</oneOrMore>
</content>
Now, this is clearly nonsense : you can't have an alternation with just
one option. But did we really want to remove the possibility for having
a purely documentary <langUsage> such as <p>Contains various
unrecognised Polynesian languages</p>?
Can anyone remember why we made this change ? I would have expected to
see something like
<choice>
<oneOrMore>