Hack to work with React 16

Author: polytypic

docs/compositional-data-manipulation-using-lenses/index.html

@@ -782,9 +782,9 @@ <h2>Questions?</h2>
     <script type="text/javascript" src="https://unpkg.com/ramda/dist/ramda.js"></script>
     <script type="text/javascript" src="https://unpkg.com/kefir/dist/kefir.js"></script>
     <script type="text/javascript" src="https://unpkg.com/prop-types/prop-types.js"></script>
-    <script type="text/javascript" src="https://unpkg.com/react/dist/react.js"></script>
+    <script type="text/javascript" src="https://unpkg.com/react/umd/react.development.js"></script>
     <script type="text/javascript" src="https://unpkg.com/karet/dist/karet.js"></script>
-    <script type="text/javascript">window.React = karet.default</script>
+    <script type="text/javascript">window.React = Object.assign(React, karet)</script>
     <script type="text/javascript" src="https://unpkg.com/kefir.combines/dist/kefir.combines.js"></script>
     <script type="text/javascript" src="https://unpkg.com/kefir.atom/dist/kefir.atom.js"></script>
     <script type="text/javascript" src="https://unpkg.com/karet.util/dist/karet.util.js"></script>