[PATCH] Fix text of hyperlink in manual

[Jonathan Wakely]

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

Committed to trunk.

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commit 756ccc4dcdcc318d811b67e027202251d7dac57f
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Mar 8 13:38:31 2019 +0000

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

diff --git a/libstdc++-v3/doc/xml/manual/using.xml b/libstdc++-v3/doc/xml/manual/using.xml
index 2d44a739406..7647e9b8dad 100644
--- a/libstdc++-v3/doc/xml/manual/using.xml
+++ b/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<T, std::allocator<T>></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.