- Enhancement: For anyone visiting the ES6 modules entrance file without ESM

support, redirect to non-modular vesion
- Build: Add comment not to edit xdomain editor directly

editor/extensions/imagelib/openclipart.html

@@ -5,6 +5,7 @@
     <meta charset="utf-8">
     <title>-</title>
     <link rel="icon" type="image/png" href="../../images/logo.png"/>
+    
     <script src="../../../dist/dom-polyfill.js"></script>
     <script src="../../external/@babel/polyfill/polyfill.min.js"></script>
     <script defer="defer" src="../../../dist/extensions/imagelib/openclipart.js"></script>