2.2.1 MODUU Extension Headers

The extension headers in this protocol conform to the form and behavior of other custom HTTP 1.1 headers, as specified in [RFC2616] section 4.2. They are consistent with the WebDAV verbs and headers, as specified in [RFC2518] sections 8 and 9. Definitions are specified using the Augmented Backus-Naur Form (ABNF) syntax specified in [RFC2616] section 2.1.