or an XML schema location) is 
 encountered, the implementation will request that the 
 <code>LSResourceResolver</code> referenced in this parameter resolves 
 the resource. </dd>
 <dt><code>"supported-media-types-only"</code></dt>
 <dd>
 <dl>
 <dt>
 <code>true</code></dt>
 <dd>[<em>optional</em>] Check that the media type of the parsed resource is a supported media 
 type. If an unsupported media type is encountered, a fatal error of 
 type <b>"unsupported-media-type"</b> will be raised. The media types de