For the sake of completion, I should point out that that isn't a problem,
and Zend_Rest_Route works just fine in sub directories.
It ended up being the codepath i thought was happening wasn't, it went
around that through a ridiculous chain of redirections through three or four
controllers that
A bit of further examination on this one hasn't gotten me too much further,
except that: Zend_Rest_Route is definitely catching the URL correctly, it's
just for some reason it is stripping off the format=json before passing it
on to the Index controller action. Can't seem to work out why, I don't