--- a/mercurial/templates/spartan/header.tmpl	Wed Jan 08 00:47:43 2014 +0900
+++ b/mercurial/templates/spartan/header.tmpl	Wed Jan 08 00:47:44 2014 +0900
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 <html>
 <head>
 <link rel="icon" href="{staticurl|urlescape}hgicon.png" type="image/png">