, Version 1 (invocation type traits)</td>
      <td><a href="https://wg21.link/n4480">N4480</a></td>
      <td>N/A</td>
      <td class="none" align="center">No</td>
    </tr>
    <tr>
      <td>[TS] Library Fundamentals, Version 2 (<tt>source_location</tt>)</td>
     <td><a href="https://wg21.link/n4617">N4617</a></td>
      <td>N/A</td>
      <td class="full" align="center">Clang 9 (<a href="docs/LanguageExtensions.html#source-location-builtins">documentation</a>)</td>
    </tr>
    <tr>
      <td>[TS] Mo