<!DOCTYPE html>
<head>
    <title>Raphael Dev testing html</title>

    <!-- HTML to try new developments in Raphael -->

    <!-- Global use -->

    <!-- To work with full version -->
    <!--<script type="text/javascript" src="../raphael.js"></script>-->

    <!-- To work with minified version -->
    <!--<script type="text/javascript" src="../raphael-min.js"></script>-->

    <!-- Comment this script tag if you are testing with AMD -->
    <!--<script type="text/javascript">
        // Initialize container when document is loaded
        window.onload = function () {
            paper = Raphael(0, 0, 640, 720, "container");
            paper.circle(100, 100, 100); //example
        };
        //Work here, in a separate script file or via command line
    </script>-->

    <!-- Use amdDev.js to work with AMD and Raphael -->
    <!-- You need to do a 'bower install -D' first to get requirejs -->
    <script data-main="amdDev" src="../bower_components/requirejs/require.js"></script>

</head>
<body>
<!-- Container for svg/vml root element -->
<div id="container"></div>
</body>
</html>

<!DOCTYPE html>
<head>
    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
    <meta content="utf-8" http-equiv="encoding">
    <title>Raphael Dev testing html</title>

    <!-- HTML to try new developments in Raphael -->

    <!-- Global use -->

    <!-- To work with full version -->
    <!--<script type="text/javascript" src="../raphael.js"></script>-->

    <!-- To work with minified version -->
    <!--<script type="text/javascript" src="../raphael-min.js"></script>-->

    <!-- Comment this script tag if you are testing with AMD -->
    <!--<script type="text/javascript">
        // Initialize container when document is loaded
        window.onload = function () {
            paper = Raphael(0, 0, 640, 720, "container");
            paper.circle(100, 100, 100); //example
        };
        //Work here, in a separate script file or via command line
    </script>-->

    <!-- Use amdDev.js to work with AMD and Raphael -->
    <!-- You need to do a 'bower install -D' first to get requirejs -->
    <script data-main="amdDev" src="../bower_components/requirejs/require.js"></script>

</head>
<body>
<!-- Container for svg/vml root element -->
<div id="container"></div>
</body>
</html>

Add meta content in HTML page
Add meta content in HTML page

Add the meta content in the HTML page to prevent "The character encoding of the HTML document was not declared" which might be caused in some browsers.