Used on a <response> element to indicate the type of response involved
This attribute does not describe the article upon which the response is commenting; it provides information about the response itself.
Authoring Note: Use of this attribute is not to be encouraged. It was added to allow for observed cases where a series of articles were grouped together as an introduction, an article, and several responses.
|Text, numbers, or special characters||The type of response as described by the publisher|
|Restriction: This attribute may be specified if the element is used.|