make use of WFS paging backported to WFS 1.1, thanks ahocevar for the improved patch, r=ahocevar (closes #3213)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11779 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Protocol/WFS/v1.js

@@ -167,6 +167,16 @@ OpenLayers.Protocol.WFS.v1 = OpenLayers.Class(OpenLayers.Protocol, {
      * });
      * (end)
      *
+     * To use a configured protocol to use WFS paging (if supported by the
+     * server), applications could do the following:
+     *
+     * (code)
+     * protocol.read({
+     *     startIndex: 0,
+     *     count: 50
+     * });
+     * (end)
+     *
      * To limit the attributes returned by the GetFeature request, applications
      * can use the propertyNames option to specify the properties to include in
      * the response: