Add minimal docs for GstRTSPExtension so people know it exists.
<xi:include href="xml/gstrtspbase64.xml" />
<xi:include href="xml/gstrtspconnection.xml" />
<xi:include href="xml/gstrtspdefs.xml" />
+ <xi:include href="xml/gstrtspextension.xml" />
<xi:include href="xml/gstrtspmessage.xml" />
<xi:include href="xml/gstrtsprange.xml" />
<xi:include href="xml/gstrtsptransport.xml" />
</SECTION>
<SECTION>
+<FILE>gstrtspextension</FILE>
+<INCLUDE>gst/rtsp/gstrtspextension.h</INCLUDE>
+GstRTSPExtensionInterface
+<SUBSECTION Standard>
+gst_rtsp_extension_get_type
+</SECTION>
+
+<SECTION>
<FILE>gstrtspmessage</FILE>
<INCLUDE>gst/rtsp/gstrtspmessage.h</INCLUDE>
GstRTSPMsgType
*
* <refsect2>
* <para>
+ * This interface is implemented e.g. by the Windows Media Streaming RTSP
+ * exentension (rtspwms) and the RealMedia RTSP extension (rtspreal).
* </para>
* </refsect2>
*