The createElementNSPlus method should append non-null values to the newly created node. Thanks for the quick review. r=crschmidt (closes #1883)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@8545 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/XML.js

@@ -493,7 +493,7 @@ OpenLayers.Format.XML = OpenLayers.Class(OpenLayers.Format, {
         if(options.attributes) {
             this.setAttributes(node, options.attributes);
         }
-        if(options.value) {
+        if(options.value != null) {
             node.appendChild(this.createTextNode(options.value));
         }
         return node;