html corrections

Doc/Manual/CPlusPlus20.html

@@ -13,6 +13,10 @@
 <ul>
 <li><a href="#CPlusPlus20_introduction">Introduction</a>
 <li><a href="#CPlusPlus20_core_language_changes">Core language changes</a>
+<ul>
+<li><a href="#CPlusPlus20_spaceship_operator">Spaceship operator</a>
+<li><a href="#CPlusPlus20_lambda_templates">Lambda templates</a>
+</ul>
 <li><a href="#CPlusPlus20_standard_library_changes">Standard library changes</a>
 </ul>
 </div>
@@ -34,8 +38,10 @@ Work has only just begun on adding C++20 support.
 
 <H2><a name="CPlusPlus20_core_language_changes">10.2 Core language changes</a></H2>
 
+
 <H3><a name="CPlusPlus20_spaceship_operator">10.2.1 Spaceship operator</a></H3>
 
+
 <p>
 SWIG supports the spaceship operator <tt>&lt;=&gt;</tt> in constant
 expressions.  To simplify handling of the return value type, it is currently
@@ -52,6 +58,7 @@ in any of the target languages.
 
 <H3><a name="CPlusPlus20_lambda_templates">10.2.2 Lambda templates</a></H3>
 
+
 <p>
 SWIG should parse lambda templates, but like
 <a href="CPlusPlus11.html#CPlusPlus11_lambda_functions_and_expressions">

Doc/Manual/Contents.html

@@ -386,6 +386,10 @@
 <ul>
 <li><a href="CPlusPlus20.html#CPlusPlus20_introduction">Introduction</a>
 <li><a href="CPlusPlus20.html#CPlusPlus20_core_language_changes">Core language changes</a>
+<ul>
+<li><a href="CPlusPlus20.html#CPlusPlus20_spaceship_operator">Spaceship operator</a>
+<li><a href="CPlusPlus20.html#CPlusPlus20_lambda_templates">Lambda templates</a>
+</ul>
 <li><a href="CPlusPlus20.html#CPlusPlus20_standard_library_changes">Standard library changes</a>
 </ul>
 </div>

Doc/Manual/Library.html

@@ -2127,7 +2127,7 @@ Consider expanding the example above with a function that takes a <tt>std::uniqu
 
 <div class="code">
 <pre>
-void take(std::unique_ptr<Klass>);
+void take(std::unique_ptr&lt;Klass&gt;);
 </pre>
 </div>