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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Multi download of external SVG defs file by &lt;use&gt; xlinks:href (caching)"
   href="https://bugs.webkit.org/show_bug.cgi?id=156368">156368</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Multi download of external SVG defs file by &lt;use&gt; xlinks:href (caching)
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari 9
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>URL</th>
          <td>http://www.hexanet.com/test/webkit-svg-cache-bug.htm
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Major
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Page Loading
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>bruno&#64;hexanet.net
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>beidson&#64;apple.com
          </td>
        </tr></table>
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        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=275939" name="attach_275939" title="Sample network pane view of multi download on cold cache">attachment 275939</a> <a href="attachment.cgi?id=275939&amp;action=edit" title="Sample network pane view of multi download on cold cache">[details]</a></span>
Sample network pane view of multi download on cold cache

You can notice this bug while looking at the Network panel in the Web Inspector on latest Safari 9 or Nightly. The SVG file is requested 5 times for 5 different fragment identifiers. It appears to be a Safari 9.3 regression. I am not seeing the problem on a 9.2 Simulator or older QtWebkit(s).

See URL for repro and snapshot.</pre>
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