Rename namespace boost -> std

Author: leha-bot

stacktrace.html

@@ -149,7 +149,7 @@ <h4><code>constexpr bool empty() const;</code></h4>
         <h2>IV. Proposed Interface</h2>
 		<h3>Header &lt;stacktrace&gt;</h3>
 		<pre>
-namespace boost {
+namespace std {
   namespace stacktrace {
     template&lt;typename Allocator&gt; class basic_stacktrace;
 
@@ -190,7 +190,7 @@ <h3>Header &lt;stacktrace&gt;</h3>
 		</pre>
 		<h3> Header &lt;frame&gt;</h3>
 		<pre>
-namespace boost {
+namespace std {
   namespace stacktrace {
 
     // Comparison operators that provide platform dependant ordering and have O(1) complexity; are Async-Handler-Safe.