<!DOCTYPE html>
<html lang="en"
      xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <title th:text="#{titleprefix} + ': ' + #{main.title}">OSM Mosques: Main Page</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
</head>
<body bgcolor="#fff">
<h1 th:text="#{titleprefix} + ': ' + #{main.title}">OSM Mosques: Main Page</h1>

<ul>
    <li th:text="#{main.this-page}">This page here..</li>
    <li><a href="osm/list">List of OSM</a> muslim prayer sites</li>
    <li><a href="ditib/list">List of DITIB</a> muslim prayer sites</li>
    <li>Leaflet-based <a href="map">map</a></li>
</ul>

</body>
</html>

<!DOCTYPE html>
<html lang="en"
      xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <title th:text="#{titleprefix} + ': ' + #{main.title}">OSM Mosques: Main Page</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
</head>
<body bgcolor="#fff">
<h1 th:text="#{titleprefix} + ': ' + #{main.title}">OSM Mosques: Main Page</h1>

<ul>
    <li th:text="#{main.this-page}">This page here..</li>
    <li><a th:href="@{/osm/list}">List of OSM</a> muslim prayer sites</li>
    <li><a th:href="@{/ditib/list}">List of DITIB</a> muslim prayer sites</li>
    <li>Leaflet-based <a th:href="@{/map}">map</a></li>
</ul>

</body>
</html>

Use Thymeleaf for URL construction
Use Thymeleaf for URL construction
