which has Turkish, to do with xhtml ?
a meta heard between, the <head></head> tags, and not above the Doctype description.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-9" >
</head>
<body>
....
</body>
</html>