<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:subLang="en" subLang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  <title>A prepopulated text field with a maximum length</title>
</head>

<body>

  <form method="post" action="">
    <p><label for="zip">Enter a number <em>(maximum 10 characters)</em></label>   
    <input type="text" id="zip" name="zip" size="10" maxlength="10" value="232012" /></p>
  </form>

</body>
</html>