Pullups for 2.3:

svn merge svn.openlayers.org/trunk/openlayers/@2230 svn.openlayers.org/trunk/openlayers/@2233 svn.openlayers.org/branches/openlayers/2.3/
#480   Grid funkiness
#491   improper URL encoding of LAYERS list in WMS GetMap request
#500   layer.destroy() should remove itself from the map but not set new baselayer


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.3@2234 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/grid_inittiles.html

@@ -11,7 +11,7 @@
     <script type="text/javascript">
         <!--
         function init(){
-            map = new OpenLayers.Map('map', {'maxResolution': 1.40625/2, tileSize: new OpenLayers.Size(256,256)});
+            var map = new OpenLayers.Map('map', {'maxResolution': 1.40625/2, tileSize: new OpenLayers.Size(256,256)});
             ww = new OpenLayers.Layer.WMS( "Basic", 
             "http://labs.metacarta.com/wms-c/Basic.py?", 
             {layers:"basic"});

tests/test_Util.html

@@ -177,7 +177,7 @@
     }
 
     function test_07_Util_getParameterString(t) {
-        t.plan( 2 );
+        t.plan( 4 );
 
         var params = { foo: "bar",
                        chicken: 1.5
@@ -185,6 +185,15 @@
 
         t.eq( OpenLayers.Util.getParameterString(params), "foo=bar&chicken=1.5", "getParameterString returns correctly");    
         t.eq( OpenLayers.Util.getParameterString({'a:':'b='}), "a%3A=b%3D", "getParameterString returns correctly with non-ascii keys/values");    
+        
+
+        // Parameters which are a list should end up being a comma-seperated
+        // list of the URL encoded strings
+        var params = { foo: ["bar,baz"] };
+        t.eq( OpenLayers.Util.getParameterString(params), "foo=bar%2Cbaz", "getParameterString encodes , correctly in arrays");    
+        
+        var params = { foo: ["bar","baz,"] };
+        t.eq( OpenLayers.Util.getParameterString(params), "foo=bar,baz%2C", "getParameterString returns with list of CSVs when given a list. ");    
     }
 
     function test_08_Util_createAlphaImageDiv(t) {