Adding readers and writers properties to xml formats. These will contain public functions used in serializing and deserializing various formats. Shorthand methods for calling these readers & writers are writeNode and readNode. r=ahocever (closes #1722)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7982 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/Format.html

@@ -4,7 +4,7 @@
   <script type="text/javascript">
 
     function test_Format_constructor(t) {
-        t.plan(4);
+        t.plan(5);
     
         var options = {'foo': 'bar'};
         var format = new OpenLayers.Format(options);
@@ -13,6 +13,7 @@
         t.eq(format.foo, "bar", "constructor sets options correctly");
         t.eq(typeof format.read, "function", "format has a read function");
         t.eq(typeof format.write, "function", "format has a write function");
+        t.eq(format.options, options, "format.options correctly set");
     }
 
   </script>