Fix text of hyperlink in manual

	* doc/xml/manual/using.xml: Use link element instead of xref.
	* doc/html/*: Regenerate.

From-SVN: r269494

libstdc++-v3/ChangeLog

 2019-03-08  Jonathan Wakely  <jwakely@redhat.com>
 
+	* doc/xml/manual/using.xml: Use link element instead of xref.
+	* doc/html/*: Regenerate.
+
 	* include/bits/fs_path.h (path::format): Add fixed underlying type.
 
 2019-03-08  François Dumont  <fdumont@gcc.gnu.org>

libstdc++-v3/doc/html/manual/using_macros.html

@@ -116,7 +116,8 @@
         enabled for
         <code class="classname">std::vector&lt;T, std::allocator&lt;T&gt;&gt;</code>
         and only when <code class="classname">std::allocator</code> is derived from
-        <a class="xref" href="memory.html#allocator.impl" title="Implementation">the section called “Implementation”</a>. The annotations
+        <a class="link" href="memory.html#allocator.impl" title="Implementation"><code class="classname">new_allocator</code>
+        or <code class="classname">malloc_allocator</code></a>. The annotations
         must be present on all vector operations or none, so this macro must
         be defined to the same value for all translation units that create,
         destroy or modify vectors.

libstdc++-v3/doc/xml/manual/using.xml

@@ -1192,8 +1192,8 @@ g++ -Winvalid-pch -I. -include stdc++.h -H -g -O2 hello.cc -o test.exe
         enabled for
         <classname>std::vector&lt;T, std::allocator&lt;T&gt;&gt;</classname>
         and only when <classname>std::allocator</classname> is derived from
-        <xref linkend="allocator.impl"><classname>new_allocator</classname>
-        or <classname>malloc_allocator</classname></xref>. The annotations
+        <link linkend="allocator.impl"><classname>new_allocator</classname>
+        or <classname>malloc_allocator</classname></link>. The annotations
         must be present on all vector operations or none, so this macro must
         be defined to the same value for all translation units that create,
         destroy or modify vectors.