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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - -webkit-isolate incorrectly measures width of inline elements"
   href="https://bugs.webkit.org/show_bug.cgi?id=157471">157471</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-webkit-isolate incorrectly measures width of inline elements
          </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>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>CSS
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>hartman.wiki&#64;gmail.com
          </td>
        </tr></table>
      <p>
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        <pre>Created <span class=""><a href="attachment.cgi?id=278399" name="attach_278399" title="Page with css statement applied">attachment 278399</a> <a href="attachment.cgi?id=278399&amp;action=edit" title="Page with css statement applied">[details]</a></span>
Page with css statement applied

Although the tab lockup of #148573 seems fixed in Safari 9, it seems that it is incorrectly measuring the width of inline elements (spanning multiple lines ???). Content overflows outside of the expected boundaries and random spacing is introduced between words.

Attached are a screenshot of a page with -webkit-isolate enabled on the .comment class, a screenshot with the rule disabled and a webarchive of the page.

This problem does not occur in Chrome.</pre>
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