File: bidi-breaking-002.xht

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
                      "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>CSS Test: Bidi paragraph boundaries: Forced Line Breaks</title>
  <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"/>
  <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#bidi-algo"/>
  <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#direction"/>
  <link rel="match" href="bidi-breaking-002-ref.xht" />

  <meta name="assert" content="Forced line breaks of class B (but not class WS)
        break bidi paragraphs."/>
  <style type="text/css"><![CDATA[
     /* Make test easier to read */
    .test, .control {
      color: blue;
      font: bold larger monospace;
      margin: 1em;
      padding: 0.25em;
      border: solid silver;
      float: left;
    }
    .set {
      clear: both;
      float: left;
      border-bottom: solid orange;
    }
    p + .set {
      border-top: solid orange;
    }

    /* ensure BDO processing */
    bdo {
      unicode-bidi: bidi-override;
      direction: ltr;
    }

    /* Enable preservation of source line breaks
       (and PS and LS for certain nonconformant ws-collapsing implementations) */
    .pre {
      white-space: pre; white-space: pre-lines;
    }
  ]]></style>
</head>
<body>
  <p>In each pair of silver boxes below, the two patterns must be identical.</p>

  <!--
  &#x05D0; א is hebrew letter alef
  &#x05EA; ת is hebrew letter tav
  -->

  <!-- control for bidi support -->
  <div class="set">
    <div class="test">
      <div>&rlm;&nbsp; + - &times; &divide; &#x05D0;</div>
      <div>&#x05EA; + - &times; &divide; &nbsp;&rlm;</div>
    </div>
    <div class="control">
      <div><bdo dir="ltr">&#x05D0; &divide; &times; - + &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; &divide; &times; - + &#x05EA;</bdo></div>
    </div>
  </div>

  <!-- preserved source line break breaks bidi paragraph -->
  <div class="set">
    <div class="test">
      <div class="pre">&#x05D0; + - &times; &divide; &nbsp;
&nbsp; + - &times; &divide; &#x05EA;</div>
    </div>
    <div class="control">
      <div><bdo dir="ltr">&#x05D0; + - &times; &divide; &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; + - &times; &divide; &#x05EA;</bdo></div>
    </div>
  </div>

  <!-- <br> on shaky ground since HTML4 said it's an LS, but HTML5 will
       likely side with PS due to better bidi safety; test below as PS for now;
       move to a separate file when this is resolved in HTML5
  <div class="set">
    <div class="test">
      &#x05D0; + - &times; &divide; &nbsp;<br/>
      &nbsp; + - &times; &divide; &#x05EA;
    </div>
    <div class="control">
      <div><bdo dir="ltr">&#x05D0; + - &times; &divide; &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; + - &times; &divide; &#x05EA;</bdo></div>
    </div>
  </div>
  -->
</body>
</html>