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The Tor Browser
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shaping-tatweel-002.html (1962B)

      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>CSS Text level 3 Test: tatweel and text-shaping, cross font, fallback</title>
      4 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
      5 <link rel="help" href="https://drafts.csswg.org/css-text-3/#text-encoding">
      6 <link rel="help" href="https://www.unicode.org/versions/Unicode11.0.0/ch09.pdf">
      7 <link rel="help" href="https://www.w3.org/TR/alreq/#h_joining_enforcement">
      8 <link rel="match" href="reference/shaping-tatweel-002-ref.html">
      9 <meta name="assert" content="Arabic characters next to a U+0640 ARABIC TATWEEL character must take their correct positional form, even if the tatweel comes from a differnt font via font due to font fallback.">
     10 <style>
     11  table {
     12    font-size: 3em;
     13    border-spacing: 0 3px;
     14  }
     15  td {
     16    padding: 0 0.5ch;
     17    line-height: 1;
     18    border: 1px solid;
     19  }
     20  @font-face {
     21    font-family: 'primary';
     22    src: url('/fonts/noto/NotoNaskhArabic-regular.woff2') format('woff2');
     23    unicode-range: U+20;
     24  }
     25  @font-face {
     26    font-family: 'tatweel';
     27    src: url('/fonts/Scheherazade-Regular.woff') format('woff');
     28    unicode-range: U+0640;
     29  }
     30  @font-face {
     31    font-family: 'csstest_noto';
     32    src: url('/fonts/noto/NotoNaskhArabic-regular.woff2') format('woff2');
     33  }
     34  table {
     35    /*using a primary font with just U+20 (space) to get the baseline right*/
     36    font-family: 'primary', 'tatweel', 'csstest_noto';
     37  }
     38 </style>
     39 
     40 <p>Test passes if both halves of each of the pairs below are identical:
     41 
     42 <table dir=rtl lang=ar>
     43 <tr><!-- alef, final form as it doesn't have a medial form -->
     44  <td>&#x640;&#x0627;&#x640;
     45  <td>&#x640;&#xFE8E;&#x640;
     46 <tr><!-- alef, final form -->
     47  <td>&#x640;&#x0627;
     48  <td>&#x640;&#xFE8E;
     49 <tr><!-- beh, initial form -->
     50  <td>&#x0628;&#x640;
     51  <td>&#xFE91;&#x640;
     52 <tr><!-- beh, medial form -->
     53  <td>&#x640;&#x0628;&#x640;
     54  <td>&#x640;&#xFE92;&#x640;
     55 <tr><!-- beh, final form -->
     56  <td>&#x640;&#x0628;
     57  <td>&#x640;&#xFE90;
     58 </table>