[wwwdocs] Update C++ status with Belfast motions

[Marek Polacek]

Committed to git.  Should s/http/https/ the wg21 links.

Jason, do we support P1907R1?

commit d59a823fb4ad2daa535d26f592274ec68b9cb4a1
Author: Marek Polacek <pola...@redhat.com>
Date:   Fri Nov 22 16:49:27 2019 -0500

    Update with Belfast motions.

diff --git a/htdocs/projects/cxx-status.html b/htdocs/projects/cxx-status.html
index c240d6da..380a7dfa 100644
--- a/htdocs/projects/cxx-status.html
+++ b/htdocs/projects/cxx-status.html
@@ -116,7 +116,11 @@
        <a href="http://wg21.link/p1141r2";>P1141R2</a><br/>
        <a href="http://wg21.link/p0848r3";>P0848R3</a><br/>
        <a href="http://wg21.link/p1616r1";>P1616R1</a><br/>
-       <a href="http://wg21.link/p1452r2";>P1452R2</a></td>
+       <a href="http://wg21.link/p1452r2";>P1452R2</a><br/>
+       <!-- from Belfast -->
+       <a href="https://wg21.link/p1972r0";>P1972R0</a><br/>
+       <!-- from Belfast -->
+       <a href="https://wg21.link/p1980r0";>P1980R0</a></td>
       <td class="supported"> <a href="../gcc-10/changes.html#cxx">10</a> </td>
       <td> __cpp_concepts &gt;= ? </td>
     </tr>
@@ -157,7 +161,10 @@
        <a href="http://wg21.link/p1120r0";>P1120R0</a><br/>
        <a href="http://wg21.link/p1185r2";>P1185R2</a><br/>
        <a href="http://wg21.link/p1186r3";>P1186R3</a><br/>
-       <a href="http://wg21.link/p1630r1";>P1630R1</a></td>
+       <a href="http://wg21.link/p1630r1";>P1630R1</a><br/>
+       <!-- from Belfast -->
+       <a href="https://wg21.link/p1946r0";>P1946R0</a>
+       </td>
       <td class="supported center"><a 
href="../gcc-10/changes.html#cxx">10</a></td>
       <td> __cpp_impl_three_way_comparison &gt;= 201711 </td>
     </tr>
@@ -229,7 +236,9 @@
     </tr>
     <tr>
       <td> Class Types in Non-Type Template Parameters </td>
-      <td><a href="http://wg21.link/p0732r2";>P0732R2</a></td>
+      <td><a href="http://wg21.link/p0732r2";>P0732R2</a><br/>
+       <!-- from Belfast -->
+       <a href="https://wg21.link/p1907r1";>P1907R1</a></td>
       <td class="supported"> <a href="../gcc-9/changes.html#cxx">9</a> </td>
       <td> __cpp_nontype_template_parameter_class &gt;= 201806 </td>
     </tr>
@@ -332,10 +341,10 @@
       <td> </td>
     </tr>
     <tr>
-      <td rowspan=4> Modules </td>
+      <td rowspan=6> Modules </td>
       <td><a href="http://wg21.link/p1103r3";>P1103R3</a></td>
-      <td rowspan="4" class="unsupported">No (<a 
href="../wiki/cxx-modules">Modules Wiki</a>) </td>
-      <td rowspan="4"> </td>
+      <td rowspan="6" class="unsupported">No (<a 
href="../wiki/cxx-modules">Modules Wiki</a>) </td>
+      <td rowspan="6"> </td>
     </tr>
     <tr>
       <td><a href="http://wg21.link/p1766r1";>P1766R1</a></td>
@@ -346,6 +355,14 @@
     <tr>
       <td><a href="http://wg21.link/p1703r1";>P1703R1</a></td>
     </tr>
+    <tr>
+      <!-- from Belfast -->
+      <td><a href="https://wg21.link/p1874r1";>P1874R1</a></td>
+    </tr>
+    <tr>
+      <!-- from Belfast -->
+      <td><a href="https://wg21.link/p1979r0";>P1979R0</a></td>
+    </tr>
     <tr>
       <td> Coroutines </td>
       <td><a href="http://wg21.link/p0912r5";>P0912R5</a></td>
@@ -354,7 +371,9 @@
     </tr>
     <tr>
       <td> Parenthesized initialization of aggregates </td>
-      <td><a href="http://wg21.link/p0960r3";>P0960R3</a></td>
+      <td><a href="http://wg21.link/p0960r3";>P0960R3</a><br/>
+      <!-- from Belfast -->
+      <a href="https://wg21.link/p1975r0";>P1975R0</a></td>
       <td class="unsupported">No (<a 
href="https://gcc.gnu.org/PR91363";>PR91363</a>)</td>
       <td> __cpp_aggregate_paren_init &gt;= 201902</td>
     </tr>