[wwwdocs] Document new additions to libstdc++

[wwwdocs] Document new additions to libstdc++

[Jonathan Wakely]

Pushed to wwwdocs.

-- >8 --

std::generator, std::format improvements, std::text_encoding.
---
 htdocs/gcc-14/changes.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 5644de1e..951d005b 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -245,6 +245,7 @@ a work-in-progress.</p>
   <li>Improved experimental support for C++20, including:
     <ul>
     <li><code>std::chrono::parse</code>.</li>
+    <li>Unicode-aware string handling in <code>std::format</code>.</li>
     </ul>
   </li>
   <li>Improved experimental support for C++23, including:
@@ -252,6 +253,9 @@ a work-in-progress.</p>
     <li>The <code>std::ranges::to</code> function for converting
       ranges to containers.
     </li>
+    <li>The <code>std::generator</code> view for getting results from
+      coroutines.
+    </li>
     <li>The <code>&lt;stacktrace&gt;</code> header is supported by default.
     </li>
     <li><code>std::print</code> and <code>std::println</code>
@@ -272,7 +276,13 @@ a work-in-progress.</p>
     <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>The <code>std::runtime_format</code> function to allow using
+      non-literal format strings with <code>std::format</code>.</li>
     <li>Testable result types for <code>&lt;charconv&gt;</code> functions.</li>
+    <li>The <code>std::text_encoding</code> class for identifying character
+      sets (requires linking with <code>-lstdc++exp</code> for some member
+      functions).
+    </li>
     </ul>
   </li>
   <li>Faster numeric conversions using <code>std::to_string</code> and
-- 
2.43.0