default pattern: added comma as separator

index.html

@@ -29,7 +29,7 @@ function copy() {
 </script>
 
 <form onsubmit="return substitute()">
-    <p>pattern <input id="pattern" value="\.\s+"></p>
+    <p>pattern <input id="pattern" value="[\.,]\s+"></p>
     <p>text <input id="text"></p>
     <p>prefix <input id="prefix" value="<ul><li>"></p>
     <p>repl <input id="repl" value="</li><li>"></p>