tor-browser

The Tor Browser
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shaping-join-002.html (1964B)

      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>CSS Text level 3 Test: zwj 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/ch23.pdf">
      7 <link rel="help" href="https://www.unicode.org/versions/Unicode11.0.0/ch09.pdf">
      8 <link rel="help" href="https://www.w3.org/TR/alreq/#h_joining_enforcement">
      9 <link rel="match" href="reference/shaping-join-001-ref.html">
     10 <meta name="assert" content="Arabic characters next to a ZERO WIDTH JOINER character must take their correct positional form, even if the ZWJ comes from a differnt font due to font fallback.">
     11 <style>
     12  table {
     13    font-size: 3em;
     14    border-spacing: 0 3px;
     15  }
     16  td {
     17    padding: 0 0.5ch;
     18    line-height: 1;
     19    border: 1px solid;
     20  }
     21  @font-face {
     22    font-family: 'primary';
     23    src: url('/fonts/noto/NotoNaskhArabic-regular.woff2') format('woff2');
     24    unicode-range: U+20;
     25  }
     26  @font-face {
     27    font-family: 'joiners';
     28    src: url('/fonts/noto/noto-sans-v8-latin-regular.woff') format('woff');
     29    unicode-range: U+200C-200D;
     30  }
     31  @font-face {
     32    font-family: 'csstest_noto';
     33    src: url('/fonts/noto/NotoNaskhArabic-regular.woff2') format('woff2');
     34  }
     35  table {
     36    /*using a primary font with just U+20 (space) to get the baseline right*/
     37    font-family: 'primary', 'joiners', 'csstest_noto';
     38  }
     39 </style>
     40 
     41 <p>Test passes if both halves of each of the pairs below are identical:
     42 
     43 <table dir=rtl>
     44 <tr><!-- alef, final form as it doesn't have a medial form -->
     45  <td>&zwj;&#x0627;&zwj;
     46  <td>&#xFE8E;
     47 <tr><!-- alef, final form -->
     48  <td>&zwj;&#x0627;
     49  <td>&#xFE8E;
     50 <tr><!-- beh, initial form -->
     51  <td>&#x0628;&zwj;
     52  <td>&#xFE91;
     53 <tr><!-- beh, medial form -->
     54  <td>&zwj;&#x0628;&zwj;
     55  <td>&#xFE92;
     56 <tr><!-- beh, final form -->
     57  <td>&zwj;&#x0628;
     58  <td>&#xFE90;
     59 </table>