Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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tools/boostbook/xsl/docbook.xsl

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<!--
   Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>

   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt)
  -->
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