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    <head>
      <base href="https://bugs.webkit.org/" />
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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 - Custom Elements from a different document are not customized when created with innerHTML"
   href="https://bugs.webkit.org/show_bug.cgi?id=165617">165617</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Custom Elements from a different document are not customized when created with innerHTML
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>HTML DOM
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>webkit&#64;keanulee.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>cdumez&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>If you create a custom element in a different document (e.g. `doc = document.implementation.createHTMLDocument()`) by setting `innerHTML` on a container element in that document, then try to `appendChild` the container element to the current document, the custom element is not customized. Note that it is customized if the custom element was created using `doc.createElement()` instead.

<a href="http://jsbin.com/qaqitem/edit?html,output">http://jsbin.com/qaqitem/edit?html,output</a></pre>
        </div>
      </p>
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      <ul>
          <li>You are the assignee for the bug.</li>
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