From: Saašha Metsärantala
> > the HTML code escaped and no implementor is forced to recognize it.
> In this example, the mods:title element contains an HTML snippet escaped with
> XML entities. An HTML snippet is not a valid HTML serialization - it is just a
> snippet (a non-complete part of a serialization). Putting this snippet into
> http://validator.w3.org/#validate_by_input will not validate. I am not
> confortable with the use of a contentType="text/html" attribute to qualify
> non-valid HTML.
> I can imagine linking to such semantics, but if these semantics are not part
> of the title, I would prefer not to put them in the mods:title element.
Saašha, perhaps the discussion on this topic has gotten a bit out-of-synch, but the recommendation is NOT to allow arbitrary markup within a MODS record. The point of mentioning that was to indicate that it had been one of the suggested approches, and was rejected.