[wwwdocs] Add new libstdc++ features

[Jonathan Wakely]

Pushed to wwwdocs.

---
 htdocs/gcc-14/changes.html | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index e5d3970c..7278f753 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -138,12 +138,16 @@ a work-in-progress.</p>
     <li>Formatters for <code>std::thread::id</code> and
       <code>std::stacktrace</code>.
     </li>
+    <li>Smart pointer adaptors, <code>std::out_ptr</code> and
+      <code>std::inout_ptr</code>.
+    </li>
     <li>Some range adaptors now support move-only types.</li>
     </ul>
   </li>
   <li>Experimental support for C++26, including:
     <ul>
     <li>Native handles for <code>filebuf</code>, <code>fstream</code>, 
etc.</li>
+    <li>Functions for saturation arithmetic on integers.</li>
     <li><code>std::to_string</code> now uses <code>std::format</code>.</li>
     <li>Enhanced formatting of pointers with <code>std::format</code>.</li>
     <li>Testable result types for <code>&lt;charconv&gt;</code> functions.</li>
@@ -160,6 +164,9 @@ a work-in-progress.</p>
   <li>Using the <code>std::setfill</code> manipulator with
     <code>std::istream</code> is deprecated.
   </li>
+  <li>Added missing functions for <code>float</code> and
+    <code>long double</code> to <code>&lt;cmath&gt;</code>.
+  </li>
 </ul>
 
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