1 files changed, 5 insertions, 0 deletions
diff --git a/demo.html b/demo.html
index 4bd8899..f4629a6 100644
--- a/demo.html
+++ b/demo.html
@@ -24,6 +24,11 @@
   </head>
   <body>
     <textarea autofocus></textarea>
+    <script>
+      async function subEnabled() {
+        return true;
+      }
+    </script>
     <script src="init-unicode-maps.js"></script>
     <script src="unicode-maps-to-bold.js"></script>
     <script src="unicode-maps-to-subscript.js"></script>