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<!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">
 <head><meta charset="utf-8"/>
  <title>CSS Test: Case-sensitivity of :lang() arguments</title>
  <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#characters"/>
  <meta name="assert" content="The argument to :lang() is ASCII case-insensitive."/>
  <style type="text/css">
    .test-folding { color: red; }

    :lang(en) {
      color: green;
    }
    :lang(FR) {
      color: green;
    }

    /* test for ASCII (not UNICODE) case-insensitivity */
    .test-unicode { color: green; }
    :lang(fİ) {
      color: red;
    }
    :lang(Fı) {
      color: red;
    }
    :lang(&#x212a;l) {
      color: red;
    }
  </style>

 </head>
 <body>
  <div class="test-folding">
   <p lang="En">This sentence must be green.</p>
   <p xml:lang="eN">This sentence must be green.</p>
   <p lang="fr">This sentence must be green.</p>
   <p xml:lang="fR">This sentence must be green.</p>
  </div>
  <div class="test-unicode">
   <p xml:lang="kl">This sentence must be green.</p>
   <p lang="KL">This sentence must be green.</p>
   <p xml:lang="fi">This sentence must be green.</p>
   <p lang="FI">This sentence must be green.</p>
  </div>
 </body>
</html>