[v3] Update C++11 status table.

[Jonathan Wakely]

        * doc/xml/manual/documentation_hacking.xml: Fix invalid attribute.

Also committed to trunk. Tested with 'make doc-xml-validate-docbook doc-html'
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commit 3947c1646119ea4319a57cd401f1736ff5cd76f2
Author: Jonathan Wakely <jwakely.gcc@gmail.com>
Date:   Wed Feb 8 23:57:04 2012 +0000

    	* doc/xml/manual/documentation_hacking.xml: Fix invalid attribute.

diff --git a/libstdc++-v3/doc/xml/manual/documentation_hacking.xml b/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
index b9830a0..e74f2b7 100644
--- a/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
+++ b/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
@@ -693,7 +693,7 @@
       </para>
 
       <para>
-	For epub output, the <link xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:href="http://sourceforge.net/projects/docbook/files/epub3/">stylesheets</link> for EPUB3 are required. These stylesheets are still in development. To validate the created file, <link xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:href="https://code.google.com/p/epubcheck/">epubcheck</link> is necessary.
+	For epub output, the <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceforge.net/projects/docbook/files/epub3/">stylesheets</link> for EPUB3 are required. These stylesheets are still in development. To validate the created file, <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://code.google.com/p/epubcheck/">epubcheck</link> is necessary.
       </para>
     </section>