Does anyone have an idea why this would work:

But not this:

This -

- is a plain text file (there is no wiki, it's just a URL), whereas this -

- is delivered as application/xml. Same content so it should work the same. My only guess is that it has to do with the content type.

What do you guys think? Would work if it was delivered as the rdf content type application/rdf+xml instead?