-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\r
-<html>\r
+<?xml version="1.0" encoding="UTF-8"?>\r
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"\r
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\r
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">\r
<head>\r
-<link rel='stylesheet' type='text/css' href='style.css'>\r
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">\r
+<link rel='stylesheet' type='text/css' href='style.css'/>\r
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>\r
<title>More Emacs Plugin</title>\r
</head>\r
<body>\r