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    <div class="moz-cite-prefix">On 11/27/2013 03:19 PM, Herb Sutter
      wrote:<br>
    </div>
    <blockquote
cite="mid:46a58055779540e898a91b3fe071549a@BLUPR03MB455.namprd03.prod.outlook.com"
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        <p class="MsoNormal"><span style="color:#1F497D">Resending to
            correct features list&#8230;<o:p></o:p></span></p>
        <p class="MsoNormal"><a moz-do-not-send="true"
            name="_MailEndCompose"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></a></p>
        <div style="border:none;border-left:solid blue 1.5pt;padding:0in
          0in 0in 4.0pt">
          <div>
            <div style="border:none;border-top:solid #E1E1E1
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"><b>From:</b> Herb Sutter <br>
                <b>Sent:</b> Wednesday, November 27, 2013 11:40 AM<br>
                <b>To:</b> '<a class="moz-txt-link-abbreviated" href="mailto:c++std-admin@accu.org">c++std-admin@accu.org</a>'<br>
                <b>Cc:</b> '<a class="moz-txt-link-abbreviated" href="mailto:features@isocpp.org">features@isocpp.org</a>'<br>
                <b>Subject:</b> Feature test standing document now
                online<o:p></o:p></p>
            </div>
          </div>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal">FYI, Clark and I have now posted the
            &#8220;unofficial recommendations&#8221; of SG10 per our Chicago straw
            poll. As I mentioned in Chicago, I was contemplating putting
            it up as a standing document from SG10, and it just went
            live under
            <a moz-do-not-send="true"
              href="http://isocpp.org/std/standing-documents">http://isocpp.org/std/standing-documents</a>
            as SD-6.<o:p></o:p></p>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal">It is clearly marked &#8220;unofficial
            recommendations&#8221; etc. so there should be no confusion about
            its status, but if you have any suggestions please let me
            and Clark know anytime.<o:p></o:p></p>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal">Thanks again to Clark and the many SG10
            participants for working on this! Best wishes,<o:p></o:p></p>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal">Herb<o:p></o:p></p>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Features mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Features@isocpp.open-std.org">Features@isocpp.open-std.org</a>
<a class="moz-txt-link-freetext" href="http://www.open-std.org/mailman/listinfo/features">http://www.open-std.org/mailman/listinfo/features</a>
</pre>
    </blockquote>
    There are some changes...<br>
    <br>
    Put user-defined literals for complex this in the table:<br>
    <a
      href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3779.pdf">N3779</a>&nbsp;&nbsp;
    &nbsp; User-defined Literals for std::complex&nbsp;&nbsp;&nbsp; 26.4&nbsp;&nbsp;&nbsp; 201310&nbsp;&nbsp;&nbsp;
    &lt;complex&gt;<br>
    <br>
    I think shared_mutex is in its own header so it can be treated by
    __has_include rather than a macro.<br>
    Change this:<br>
    <table border="1">
      <tbody>
        <tr>
          <td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3659.html">N3659</a></td>
          <td> Shared locking in C++</td>
          <td> 30.4</td>
          <td> <code><a
href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#detail.cpp14.n3659">__cpp_lib_shared_mutex</a></code></td>
          <td> 201304</td>
          <td> <code>&lt;mutex&gt;</code></td>
        </tr>
      </tbody>
    </table>
    to this:<br>
    <table border="1">
      <tbody>
        <tr>
          <td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3659.html">N3659</a></td>
          <td> Shared locking in C++</td>
          <td> 30.4</td>
          <td> <code><a
href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#detail.cpp14.n3659">__cpp_has_include(&lt;shared_mutex&gt;)</a></code></td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    Add digit separators:<br>
    <table border="1">
      <tbody>
        <tr>
          <td><a
              href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n781.html">N3781</a></td>
          <td> Single-Quotation-Mark as a Digit Separator</td>
          <td>2.10,2.14<br>
          </td>
          <td> __cpp_digit_separators</td>
          <td> 201310</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <br>
    Down in C++11, if we feel like completeness it would be easy to
    mention the new headers:<br>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>26.3<br>
          </td>
          <td> __has_include(&lt;cfenv&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>27.9<br>
          </td>
          <td> __has_include(&lt;cinttypes&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>18.10<br>
          </td>
          <td> __has_include(&lt;cstdbool&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>18.4<br>
          </td>
          <td> __has_include(&lt;cstdint&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>26.8<br>
          </td>
          <td> __has_include(&lt;ctgmath&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>21.8<br>
          </td>
          <td> __has_include(&lt;cuchar&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>23.3<br>
          </td>
          <td> __has_include(&lt;array&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>23.3<br>
          </td>
          <td> __has_include(&lt;forward_list&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>23.5<br>
          </td>
          <td> __has_include(&lt;unordered_set&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>23.5<br>
          </td>
          <td> __has_include(&lt;unordered_map&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>30.3<br>
          </td>
          <td> __has_include(&lt;thread&gt;)</td>
          <td> 1</td>
          <td><i>predefined<br>
            </i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>30.5<br>
          </td>
          <td> __has_include(&lt;condition_variable&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>30.6<br>
          </td>
          <td> __has_include(&lt;future&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>30.4<br>
          </td>
          <td> __has_include(&lt;mutex&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>29.2<br>
          </td>
          <td> __has_include(&lt;atomic&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <br>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>20.12<br>
          </td>
          <td> __has_include(&lt;chrono&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>22.5<br>
          </td>
          <td> __has_include(&lt;codecvt&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>18.9<br>
          </td>
          <td> __has_include(&lt;initializer_list&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>26.5<br>
          </td>
          <td> __has_include(&lt;random&gt;)</td>
          <td> 1</td>
          <td><i>predefined<br>
            </i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>20.11<br>
          </td>
          <td> __has_include(&lt;ratio&gt;)</td>
          <td> 1</td>
          <td><i>predefined<br>
            </i></td>
        </tr>
      </tbody>
    </table>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>28<br>
          </td>
          <td> __has_include(&lt;regex&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>19.5<br>
          </td>
          <td> __has_include(&lt;system_error&gt;)</td>
          <td> 1</td>
          <td><i>predefined<br>
            </i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>20.4<br>
          </td>
          <td> __has_include(&lt;tuple&gt;)</td>
          <td> 1</td>
          <td><i>predefined</i></td>
        </tr>
      </tbody>
    </table>
    <br>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td> xxx</td>
          <td>20.14<br>
          </td>
          <td> __has_include(&lt;typeindex&gt;)</td>
          <td> 1</td>
          <td><i>predefined<br>
            </i></td>
        </tr>
      </tbody>
    </table>
    <table border="1">
      <tbody>
        <tr>
          <td>n<br>
          </td>
          <td>xxx<br>
          </td>
          <td>20.10<br>
          </td>
          <td>__has_include(&lt;type_traits&gt;)<br>
          </td>
          <td>1<br>
          </td>
          <td><i></i><i>predefined</i><br>
          </td>
        </tr>
      </tbody>
    </table>
  </body>
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