Add core papers added in the October 2021 WG21 plenary

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@@ -1321,6 +1321,53 @@ C++20, informally referred to as C++2b.</p>
       <td><a href="https://wg21.link/p2201r1">P2201R1</a></td>
       <td class="full" align="center">Yes</td>
     </tr>
+    <!-- October 2021 papers -->
+    <tr>
+      <td>Deducing this</td>
+      <td><a href="https://wg21.link/P0847R7">P0847R7</a></td>
+      <td class="none" align="center">No</td>
+    </tr>
+    <tr>
+      <td>Change scope of lambda trailing-return-type</td>
+      <td><a href="https://wg21.link/P2036R3">P2036R3</a></td>
+      <td class="none" align="center">No</td>
+    </tr>
+    <tr>
+      <td>Multidimensional subscript operator</td>
+      <td><a href="https://wg21.link/P2128R6">P2128R6</a></td>
+      <td class="none" align="center">No</td>
+    </tr>
+    <tr>
+      <td>Non-literal variables (and labels and gotos) in constexpr functions</td>
+      <td><a href="https://wg21.link/P2242R3">P2242R3</a></td>
+      <td class="none" align="center">No</td>
+    </tr>
+    <tr>
+      <td>Character encoding of diagnostic text</td>
+      <td><a href="https://wg21.link/P2246R1">P2246R1</a></td>
+      <td class="full" align="center">Yes</td>
+    </tr>
+    <tr>
+      <td>Character sets and encodings</td>
+      <td><a href="https://wg21.link/P2314R4">P2314R4</a></td>
+      <td class="full" align="center">Yes</td>
+    </tr>
+    <tr>
+      <td>Consistent character literal encoding</td>
+      <td><a href="https://wg21.link/P2316R2">P2316R2</a></td>
+      <td class="full" align="center">Yes</td>
+    </tr>
+    <tr>
+      <td>Add support for preprocessing directives elifdef and elifndef</td>
+      <td><a href="https://wg21.link/P2334R1">P2334R1</a></td>
+      <td class="full" align="center">Clang 13</td>
+    </tr>
+    <tr>
+      <td>Extend init-statement to allow alias-declaration</td>
+      <td><a href="https://wg21.link/P2360R0">P2360R0</a></td>
+      <td class="none" align="center">No</td>
+    </tr>
+
 </table>
 </details>