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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_NEW "
   title="NEW - onbeforeunload does not show up after the first time Leave is clicked"
   href="https://bugs.webkit.org/show_bug.cgi?id=164993">bug 164993</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
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               &nbsp;
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           <td>ap&#64;webkit.org, beidson&#64;apple.com, cdumez&#64;apple.com, webkit-bug-importer&#64;group.apple.com
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           <td style="text-align:right;">Component</td>
           <td>HTML Events
           </td>
           <td>Page Loading
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - onbeforeunload does not show up after the first time Leave is clicked"
   href="https://bugs.webkit.org/show_bug.cgi?id=164993#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - onbeforeunload does not show up after the first time Leave is clicked"
   href="https://bugs.webkit.org/show_bug.cgi?id=164993">bug 164993</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>Do you know if this is a regression? In other words, did this issue occur with Safari 9?

In the attached test case, I assume that one needs to press the Back button between steps 2 and 3.</pre>
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