avvo/mime_fallback — pull request #2 by chingor13 (2014-10-21 18:36:37+00:00)
Title: if you say you only respond to type that has a fallback, you shouldn't r...

...espond to the fallback

If a request only responds_to a more specify mime type, a request with the generic mime_type should not respond
Making a request to a more specific type that has a fallback, should respond_to that format if the action responds_to the more general type.