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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 - Remove showModalDialog"
   href="https://bugs.webkit.org/show_bug.cgi?id=151885">151885</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Remove showModalDialog
          </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>Platform
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>d&#64;domenic.me
          </td>
        </tr></table>
      <p>
        <div>
        <pre>showModalDialog has been deprecated in the HTML spec and we would like to remove it: <a href="https://github.com/whatwg/html/pull/374">https://github.com/whatwg/html/pull/374</a> and <a href="https://www.w3.org/Bugs/Public/show_bug.cgi?id=26437">https://www.w3.org/Bugs/Public/show_bug.cgi?id=26437</a>.

The only modern user agents that support it are desktop Safari and desktop Firefox. (It has been completely removed from Chrome and Edge, and mobile Safari and mobile Firefox both do not support it.)

The corresponding Gecko bug is <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=981796">https://bugzilla.mozilla.org/show_bug.cgi?id=981796</a>.</pre>
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