Layer.WMS should use a supported exception format for WMS 1.3 by default, p=ahocevar, r=me (closes #2478)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10648 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WMS.js

@@ -95,6 +95,9 @@ OpenLayers.Layer.WMS = OpenLayers.Class(OpenLayers.Layer.Grid, {
         var newArguments = [];
         //uppercase params
         params = OpenLayers.Util.upperCaseObject(params);
+        if (parseFloat(params.VERSION) >= 1.3 && !params.EXCEPTIONS) {
+            params.EXCEPTIONS = "INIMAGE";
+        } 
         newArguments.push(name, url, params, options);
         OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
         OpenLayers.Util.applyDefaults(