<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<%= javascript_include_tag 'prototype' %>
<%= javascript_include_tag 'site' %>
<%= stylesheet_link_tag 'site' %>
<%= stylesheet_link_tag 'print', :media => "print" %>
<%= tag("link", { :rel => "search", :type => "application/opensearchdescription+xml", :title => "OpenStreetMap Search", :href => "/opensearch/osm.xml" }) %>
+ <%= yield :head %>
<title>OpenStreetMap<%= ' | '+ h(@title) if @title %></title>
</head>
<body>