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    <body><span class="vcard"><a class="email" href="mailto:ap&#64;webkit.org" title="Alexey Proskuryakov &lt;ap&#64;webkit.org&gt;"> <span class="fn">Alexey Proskuryakov</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - &lt;input&gt; of type=checkbox/radio duplicates in DOM when inside a position:fixed; &lt;div&gt;"
   href="https://bugs.webkit.org/show_bug.cgi?id=149806">bug 149806</a>
        <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
               &nbsp;
           </td>
           <td>dino&#64;apple.com, wenson_hsieh&#64;apple.com
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>WORKSFORME
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Component</td>
           <td>HTML DOM
           </td>
           <td>Forms
           </td>
         </tr></table>
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            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - &lt;input&gt; of type=checkbox/radio duplicates in DOM when inside a position:fixed; &lt;div&gt;"
   href="https://bugs.webkit.org/show_bug.cgi?id=149806#c8">Comment # 8</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - &lt;input&gt; of type=checkbox/radio duplicates in DOM when inside a position:fixed; &lt;div&gt;"
   href="https://bugs.webkit.org/show_bug.cgi?id=149806">bug 149806</a>
              from <span class="vcard"><a class="email" href="mailto:ap&#64;webkit.org" title="Alexey Proskuryakov &lt;ap&#64;webkit.org&gt;"> <span class="fn">Alexey Proskuryakov</span></a>
</span></b>
        <pre>Thank you, I could finally reproduce after trying multiple OS versions:
- doesn't reproduce on OS X 10.9.5;
- doesn't reproduce on OS X 10.9.5 with trunk WebKit;
- reproduces on OS X 10.10.5;
- doesn't reproduce on OS X 10.11;

Given that, this looks like a bug that was introduced with OS X 10.10 and fixed in Safari's updated WebKit, but that was never fixed in the system framework.

I CC'ed some people who may be able to suggest a workaround.</pre>
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