<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>57696</bug_id>
          
          <creation_ts>2011-04-01 22:21:23 -0700</creation_ts>
          <short_desc>mfenced element fails to update dynamically when its open, close and separators attributes are changed</short_desc>
          <delta_ts>2016-08-03 08:00:21 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>MathML</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>124838</dependson>
          <blocked>160509</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter>mitz</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bdakin</cc>
    
    <cc>fred.wang</cc>
    
    <cc>jkjiang</cc>
    
    <cc>xun.sun</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>378338</commentid>
    <comment_count>0</comment_count>
      <attachid>87967</attachid>
    <who name="">mitz</who>
    <bug_when>2011-04-01 22:21:23 -0700</bug_when>
    <thetext>Created attachment 87967
Test case

The attached test case shows that the rendering of the mfenced element is not updated when its open, close and separators attributes are changed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>378346</commentid>
    <comment_count>1</comment_count>
    <who name="">mitz</who>
    <bug_when>2011-04-01 22:39:08 -0700</bug_when>
    <thetext>&lt;rdar://problem/9225768&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>484916</commentid>
    <comment_count>2</comment_count>
    <who name="Xun Sun">xun.sun</who>
    <bug_when>2011-10-16 22:07:13 -0700</bug_when>
    <thetext>(In reply to comment #0)
&gt; Created an attachment (id=87967) [details]
&gt; Test case
&gt; 
&gt; The attached test case shows that the rendering of the mfenced element is not updated when its open, close and separators attributes are changed.

The attached test case does not seem to agree with the comments, as it does not change the the values of the second mfenced element.

Do you mean something like the following:

&lt;p&gt;
    &lt;math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;&gt;
        &lt;mfenced id=&quot;fenced&quot; open=&quot;)&quot; close=&quot;(&quot; separators=&quot;,&quot;&gt;&lt;mi&gt;x&lt;/mi&gt;&lt;mi&gt;y&lt;/mi&gt;&lt;mi&gt;z&lt;/mi&gt;&lt;/mfenced&gt;
    &lt;/math&gt;
&lt;/p&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>484920</commentid>
    <comment_count>3</comment_count>
    <who name="">mitz</who>
    <bug_when>2011-10-16 22:17:46 -0700</bug_when>
    <thetext>(In reply to comment #2)
&gt; (In reply to comment #0)
&gt; &gt; Created an attachment (id=87967) [details] [details]
&gt; &gt; Test case
&gt; &gt; 
&gt; &gt; The attached test case shows that the rendering of the mfenced element is not updated when its open, close and separators attributes are changed.
&gt; 
&gt; The attached test case does not seem to agree with the comments, as it does not change the the values of the second mfenced element.

The Web Inspector shows me that the values do change. I wonder why you are seeing different results.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>484931</commentid>
    <comment_count>4</comment_count>
    <who name="Xun Sun">xun.sun</who>
    <bug_when>2011-10-16 22:42:01 -0700</bug_when>
    <thetext>(In reply to comment #3)
&gt; (In reply to comment #2)
&gt; &gt; (In reply to comment #0)
&gt; &gt; &gt; Created an attachment (id=87967) [details] [details] [details]
&gt; &gt; &gt; Test case
&gt; &gt; &gt; 
&gt; &gt; &gt; The attached test case shows that the rendering of the mfenced element is not updated when its open, close and separators attributes are changed.
&gt; &gt; 
&gt; &gt; The attached test case does not seem to agree with the comments, as it does not change the the values of the second mfenced element.
&gt; 
&gt; The Web Inspector shows me that the values do change. I wonder why you are seeing different results.

Because the change is not user-visible if the open tag is changed from &apos;(&apos; to &apos;(&apos;, and the two lines are always identical. Thought the original intention of the test case was for the change to be user-visible. Wrong assumption?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>484935</commentid>
    <comment_count>5</comment_count>
    <who name="">mitz</who>
    <bug_when>2011-10-16 22:45:43 -0700</bug_when>
    <thetext>(In reply to comment #4)
&gt; (In reply to comment #3)
&gt; &gt; (In reply to comment #2)
&gt; &gt; &gt; (In reply to comment #0)
&gt; &gt; &gt; &gt; Created an attachment (id=87967) [details] [details] [details] [details]
&gt; &gt; &gt; &gt; Test case
&gt; &gt; &gt; &gt; 
&gt; &gt; &gt; &gt; The attached test case shows that the rendering of the mfenced element is not updated when its open, close and separators attributes are changed.
&gt; &gt; &gt; 
&gt; &gt; &gt; The attached test case does not seem to agree with the comments, as it does not change the the values of the second mfenced element.
&gt; &gt; 
&gt; &gt; The Web Inspector shows me that the values do change. I wonder why you are seeing different results.
&gt; 
&gt; Because the change is not user-visible if the open tag is changed from &apos;(&apos; to &apos;(&apos;, and the two lines are always identical. Thought the original intention of the test case was for the change to be user-visible. Wrong assumption?

The open attribute’s initial value is &quot;[&quot;, and the test changes it to &quot;(&quot;. My understanding is that the change should be visible, and that along with changing the close attribute to &quot;)&quot; and the separators attribute to &quot;,&quot; should make the second line identical to the first one. Their DOM trees are identical, other than the id attribute.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>484938</commentid>
    <comment_count>6</comment_count>
    <who name="Xun Sun">xun.sun</who>
    <bug_when>2011-10-16 22:56:46 -0700</bug_when>
    <thetext>
&gt; The open attribute’s initial value is &quot;[&quot;, and the test changes it to &quot;(&quot;. My understanding is that the change should be visible, and that along with changing the close attribute to &quot;)&quot; and the separators attribute to &quot;,&quot; should make the second line identical to the first one. Their DOM trees are identical, other than the id attribute.

You are right. I made the wrong observations as I downloaded the test case from the preview page where the attributes were already altered. My apologies.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>984659</commentid>
    <comment_count>7</comment_count>
      <attachid>225230</attachid>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2014-02-25 23:56:55 -0800</bug_when>
    <thetext>Created attachment 225230
Reftests

The test case seems to pass for me. However, I attach some reftests from a patch of bug 124838 that fail.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1216898</commentid>
    <comment_count>8</comment_count>
      <attachid>285222</attachid>
    <who name="Frédéric Wang Nélar">fred.wang</who>
    <bug_when>2016-08-03 06:05:39 -0700</bug_when>
    <thetext>Created attachment 285222
Another test case

To avoid confusion, I&apos;m attaching a new test case that still does not work in WebKit.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>87967</attachid>
            <date>2011-04-01 22:21:23 -0700</date>
            <delta_ts>2011-04-01 22:21:23 -0700</delta_ts>
            <desc>Test case</desc>
            <filename>mfenced-dynamic.html</filename>
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            <attacher>mitz</attacher>
            
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            <date>2014-02-25 23:56:55 -0800</date>
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            <desc>Reftests</desc>
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>285222</attachid>
            <date>2016-08-03 06:05:39 -0700</date>
            <delta_ts>2016-08-03 06:05:39 -0700</delta_ts>
            <desc>Another test case</desc>
            <filename>mfenced-attributes-dynamic.html</filename>
            <type>text/html</type>
            <size>5506</size>
            <attacher name="Frédéric Wang Nélar">fred.wang</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>