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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Webkit silently ignores iframes with PDF"
   href="https://bugs.webkit.org/show_bug.cgi?id=164423">164423</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Webkit silently ignores iframes with PDF
          </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>WebKit Gtk
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>matzipan&#64;gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bugs-noreply&#64;webkitgtk.org
          </td>
        </tr></table>
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        <pre>Reported downstream here: <a href="https://bugzilla.gnome.org/show_bug.cgi?id=773887">https://bugzilla.gnome.org/show_bug.cgi?id=773887</a> and here <a href="https://bugs.launchpad.net/epiphany-browser/+bug/1633995">https://bugs.launchpad.net/epiphany-browser/+bug/1633995</a>

If there is an iframe in the page which points to a PDF, nothing happens: it is neither displayed nor downloaded. 

The most popular example (and really bad design on the side of the web developers) is IEEE Xplore (<a href="http://ieeexplore.ieee.org/Xplore/home.jsp">http://ieeexplore.ieee.org/Xplore/home.jsp</a>), the library system used to read papers published by IEEE. Another example would be <a href="https://www.cs.tut.fi/~jkorpela/html/iframe-pdf.html">https://www.cs.tut.fi/~jkorpela/html/iframe-pdf.html</a> 

I guess a sane workaround for this would be to just offer download of that file (in this case pdf).

I am unable to see what webkit2gtk version I have installed, as it's inside a flatpak Gnome 3.22 runtime. The epiphany developer which commented on the downstream bug says he can reproduce the issue too and I imagine he's using a development build.</pre>
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