'encode'

@@ -241,7 +241,7 @@
                     obj.textValue = text.value;
                 }
 
-                obj._href = obj.href = href+'?openby:yohobuy=' + JSON.stringify({action: action.val(), params: {url: href}});
+                obj._href = obj.href = encodeURI(href)+'?openby:yohobuy=' + JSON.stringify({action: action.val(), params: {url: encodeURI(href)}});
 
                 editor.execCommand('link',utils.clearEmptyAttrs(obj) );
                 dialog.close();