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Attachment #80264
Test Case (bidi-breaking-002.htm)	text/html	2011-01-26 16:47:03 PST	3.29 KB	no flags	Details

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<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/CSS21/text.html#indentation-prop">
  <meta name="flags" content="">
  <meta name="assert" content="Forced line breaks of class B (but not class WS)         break bidi paragraphs.">
  <style type="text/css">
     /* 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>

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

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

  <!-- paragraph separator breaks bidi paragraph -->
  <div class="set">
    <div class="test">
      <div class="pre">× + - &times; &divide; &nbsp;&#x2029;&nbsp; + - &times; &divide; ×ª</div>
    </div>
    <div class="control">
      <div><bdo dir="ltr">× + - &times; &divide; &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; + - &times; &divide; ×ª</bdo></div>
    </div>
  </div>

  <!-- line separator does not break bidi paragraph -->
  <div class="set">
    <div class="test">
      <div class="pre">&rlm;&nbsp; &divide; &times; - + ×&#x2028;×ª &divide; &times; - + &nbsp;&rlm;</div>
    </div>
    <div class="control">
      <div><bdo dir="ltr">× + - &times; &divide; &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; + - &times; &divide; ×ª</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; leaving as PS for now -->
  <div class="set">
    <div class="test">
      × + - &times; &divide; &nbsp;<br>
      &nbsp; + - &times; &divide; ×ª
    </div>
    <div class="control">
      <div><bdo dir="ltr">× + - &times; &divide; &nbsp;</bdo></div>
      <div><bdo dir="ltr">&nbsp; + - &times; &divide; ×ª</bdo></div>
    </div>
  </div>
<!--
PS &#x2029;
LS &#x2028;
-->
</body>
</html>

Attachment #98059
Patch	patch	2011-06-21 14:48:03 PDT	52.78 KB	eric: review-	Details

Attachment #102771
the W3C test case that currently tests for this (http://test.csswg.org/source/approved/css2.1/src/bidi-text/bidi-breaking-003.xht)	text/plain	2011-08-03 05:41:04 PDT	80 bytes	no flags	Details

Attachment #460391
Updated Status in Safari 15.5	image/png	2022-06-21 16:55:19 PDT	1.03 MB	no flags	Details