Shouldn't the item_enclosure_url automatically prefixed with the current site?
|Reported by:||anonymous||Owned by:||nobody|
|Has patch:||yes||Needs documentation:||yes|
|Needs tests:||yes||Patch needs improvement:||no|
I'd recommend to add a call to add_domain() to the enclosure URL because other URLs are also automatically extended with the site's URL. I've included the patch.