Web Applications 1.0 r8307 Fix the rules on what 'Origin' header to use when navigating to a resource in an <iframe>, <object>, <embed>, or <frame> element, so that the latter two are not forgotten.

Add a description of Web Applications 1.0 r8307 Fix the rules on what 'Origin' header to use when navigating to a resource in an <iframe>, <object>, <embed>, or <frame> element, so that the latter two are not forgotten.