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                        <h2><a name="Latest News">Latest News</a></h2>

                        <h3> ??? - Version 1.3?.?</h3>
                        <ul>
                          <li><a href="doc/html/signals.html">Signals</a> library: combiners may safely have state and are accessible from the signal.</li>
                          <li>Compose: This deprecated library has been removed.</li>
                        </ul>

                        <h3>January 26, 2004 - Version 1.31.0</h3>
                        

                          <h4>New License</h4>
                              A unified <a href="more/license_info.html">Boost Software License</a> has been 
                              developed and will gradually replace the individual licenses for most Boost libraries. 
                              The new license offers better legal protection for both users and developers, 
                              and should speed user's legal reviews of Boost libraries. Dave Abrahams led the 
                              Boost effort to develop better licensing. The legal team was led by <a href="http://cyber.law.harvard.edu/people/cabell/index.html">
                                 Diane Cabell</a>, Director, Clinical Programs, <a href="http://cyber.law.harvard.edu">
                                 Berkman Center for Internet &amp; Society</a>, Harvard Law School. <a href="http://www.nixonpeabody.com/attorneys_detail1.asp?ID=121">
                                 Devin Smith</a>, attorney, <a href="http://www.nixonpeabody.com/default.asp">Nixon 
                                 Peabody LLP</a>, wrote the Boost License. Eva Chan, Harvard Law School, 
                           contributed analysis of issues and drafts of various legal documents.
                              <blockquote>
                                <b>Please Note:</b> Many of the Boost
                                libraries are still using earlier
                                licenses, though all conform to the <a
                                href="more/lib_guide.htm#license">Boost
                                License Requirements</a>. After this
                                release we will begin an effort to
                                move toward uniform use of the new
                                license.
                                </blockquote>

                           <h4>Build and Installation</h4>
                           <ul>
                             <li>
                              New <a href="more/getting_started.html">Getting 
                              Started</a> procedures ease download and 
                              installation, from Rene Rivera and others.

                             <li>
                              Improved support for libraries requiring
                              <a href="more/separate_compilation.html">separate 
                              compilation</a>, from John Maddock and others.
                           </ul>

                          <h4>New Libraries</h4>
                          <ul>
                            <li>
                              <a href="libs/utility/enable_if.html">enable_if</a>: Selective
                              inclusion of function template overloads, from Jaakko Järvi, Jeremiah
                              Willcock, and Andrew Lumsdaine. This is an important new technique
                              which exploits the <em>SFINAE</em>
                           (substitution-failure-is-not-an-error) principle.&nbsp;

                           <li>
                              <a href="libs/variant/index.html">Variant Library</a>: Safe, generic,
                           stack-based discriminated union container, from Eric Friedman and Itay
                           Maman.
                          </ul>

                           <h4>Updated Libraries</h4>

                           <ul>
                             <li>
                              <a href="libs/compose/index.htm">Compose</a>: This library has been
                              deprecated and will be removed in a future release. Use <a
                              href="libs/bind/bind.html">Bind</a> or <a
                              href="libs/lambda/doc/index.html">Lambda</a> instead.
                             </li>

                           <li>
                              <a href="libs/date_time/doc/index.html">Date Time Library:</a> A whole
                              host of bug fixes, new features, and documentation
                              improvements. See <a href="libs/date_time/doc/Changes.html"> Date Time
                              Change History</a> for details.

                           <li>
                              <a href="libs/filesystem/doc/index.htm">Filesystem Library</a>: Several 
                           added functions, including improved checking for directory and file name 
                           portability.

                           <li>
                             <a name="iterators_lib"></a>
                              <a href="libs/iterator/doc/index.html">Iterator Library</a>: Major
                              version upgrade, with interface as proposed for the C++ library TR,
                              including an improved <code>iterator_adaptor</code> design plus
                              several new components, from David Abrahams, Jeremy Siek, and
                              Thomas Witt.

                           <li>
                              <a href="libs/multi_array/index.html">MultiArray</a>: The <tt>multi_array</tt> class
                              template now provides an element-preserving resize operation as well as default
                              construction (see the <a href="libs/multi_array/doc/reference.html">reference
                                 manual</a> for more information).</li>

                           <li><a href="libs/python/index.html">Python Library</a>:
                             <ul>
                               <li>Support for Python 2.3 and Intel C++ on Linux

                               <li>Container <a href="libs/python/doc/v2/indexing.html">Indexing
                                  Suite</a> added.

                               <li>injected constructors and wrapped function objects.

                               <li>wrapping static data members.

                               <li><code>std::wstring</code> conversions.

                               <li>Improved <a href="libs/python/doc/v2/args.html">keyword arguments</a>

                               <li>Better error messages, including name demangling for GCC.

                               <li>Simpler <a href="libs/python/doc/building.html">build procedure</a>.

                               <li><i>...and more...</i></li>
                             </ul>

                           <li>
                              <a href="libs/random/index.html">Random Number Library</a>: 
                              Interface changed 
                              to match the C++ <a href="libs/random/wg21-proposal.html">TR proposal</a>, 
                           from Jens Maurer.

                           <LI>
                              <A href="libs/regex/doc/index.html">Regex</A>: Completely new matching 
                              algorithm is now much faster than before, plus a selection of <A href="libs/regex/doc/history.html">
                                 new features and enhancements</A>.

                           <li>
                              <a href="libs/spirit/index.html">Boost.Spirit 1.8.0</a>:
                              <ul>
                                 <li>Multiple grammar start rules</li>
                                 <li>Multiple Scanner rules (no more scanner business woes)</li>
                                 <li>More dynamic parsers</li>
                                 <li>Predefined actors</li>
                                 <li>Numerous bug fixes and QOI stuff</li>
                                 <li><i>...and more...</i></li>
                              </ul>

                            Starting from Spirit v1.8.0, ill conforming compilers will no longer be
                            supported. If you are still using one of these older compilers,
                            please use Spirit v1.6.x. See <a href="http://spirit.sf.net">Spirit's Site</a>
                            for more details.
                           </li>
                           <li><a href="libs/test/index.html">Test Library</a>: 
                                 <ul> 
                                    <li> 
                                    Free function template based test case </li> 
                                    <li> 
                                    Custom exception translators support in execution monitor and register_exception_translator added for unit test framework </li> 
                                    <li> 
                                    Added support for multi-module unit tests in automatic registration facility </li> 
                                    <li> 
                                    Floating point comparison algorithm reworked (Is not backward compatible!!!) </li> 
                                    <li> 
                                       Added support for custom users predicate returning both boolean result code and possibly error message </li> 
                                    <li> 
                                       Documentation structure rework and update</li> 
                                 </ul> 
                                 For complete list of changes see Test Library <a href="libs/test/doc/release_notes.html#v1_31_0"> 
                                    release notes</a> </li>
                           </ul>
                        <h4>Miscellaneous</h4>
                        <ul>
                          <li>Expanded testing and fixes for non-conforming compilers.</li>
                          <li>Web site hosting now provided by
                                <a href="http://www.sourceforge.net/">SourceForge</a>.
                        </ul>
                           
                        <h3>August 19, 2003 - Version 1.30.2 (bugfix release)</h3>
                        <ul>
                           <li>
                              <a href="http://www.boost-consulting.com">Boost Consulting</a> is now hosting 
                              Boost CVS mirrors - see our <a href="more/getting_started.html#CVS">download page</a>.
                           <li>
                              Backported changes to the <a href="libs/config/config.htm">config system</a>, 
                           to better handle new compiler releases.
                           <li>
                           Bugs in regression reporting in subproject tests were fixed.
                           <li>
                           Tests are now run in the context of the user's PATH environment settings
                           <li>
                              <a href="tools/build/v1/msvc-stlport-tools.html">msvc-stlport</a> and <a href="tools/build/v1/intel-win32-tools.html">
                                 intel-win32-stlport</a>
                           toolsets now build static libraries with multithreading enabled, to be 
                           compatible with the STLPort builds.
                           <li>
                              <a href="tools/build/v1/intel-win32-tools.html">intel-win32</a> toolset now 
                              handles <code>wchar_t</code>
                           correctly when intel is installed over msvc6.
                           <li>
                              Backported fixes from the main trunk which prevent errors building the <a href="libs/test/doc/index.html">
                                 Boost.Test</a>
                           library in its default configuration.
                           <li>
                              Backported portability improvements for <a href="libs/utility/checked_delete.html">
                                 checked_delete</a>.
                           <li>
                           Locale support for metrowerks (requiring a statically-linked runtime) is more 
                           uniformly handled.
                           <li>
                              Backported <a href="libs/conversion/lexical_cast.htm">conversion/lexical_cast</a>'s
                              <code>wchar_t</code>
                           fixes from the main trunk.
                           <li>
                              <a href="tools/build/v1/intel-linux-tools.html">intel-linux-tools</a>: added <code>
                                 rt</code> to FINDLIBS in order to make the <code>clock_gettime()</code>
                           function available (backport of a patch in CVS HEAD).
                           <li>
                              <a href="tools/regression/index.htm">regression/compiler_status.cpp</a>: 
                              backported fixes in error log links generation.</li>
                        </ul>

                        <h3>August 12, 2003 - <b>ALERT</b></h3>
                        <p>
                        Significant problems were found in the 1.30.1 release, so it has been withdrawn 
                        from the website. These problems mostly take the form of missing files due to 
                        an error by the release manager in using CVS to tag the release. We expect to 
                        release Version 1.30.2 in a few days. Stay tuned.
                        <p>Until then, you may want to get the <code>RC_1_30_0</code> branch (which, with 
                           only very slight modification, will become version 1.30.2) from our <a href="more/getting_started.html#CVS">
                              CVS</a> repository or the <a href="more/getting_started.html#CVS">CVS mirror</a>
                           at <a href="http://www.boost-consulting.com">Boost Consulting</a>
                        .
                        <h3>August 4, 2003 - Version 1.30.1 (bugfix release)</h3>
                        <p>Fixes were made to the following libraries:</p>
                        <ul>
                           <li>
                              The <a href="libs/lambda/doc/index.html">Boost.Lambda</a>
                           library is now usable with gcc-2.95.2
                           <li>
                              <a href="libs/spirit/index.html">Boost.Spirit</a>:
                              <ul>
                                 <li>
                                 Fixed. Using MSVC++6 (SP5), calling the assign action with a string value on 
                                 parsers using the file_iterator will not work.
                                 <li>
                                 Fixed: using assign semantic action in a grammar with a multi_pass iterator 
                                 adaptor applied to an std::istream_iterator resulted in a failure to compile 
                                 under msvc 7.0.
                                 <li>
                                    Fixed: There is a bug in the <code>range_run&lt;CharT&gt;::set (range&lt;CharT&gt; 
                                       const&amp; r)</code>
                                 function in "boost/spirit/utility/impl/chset/range_run.ipp".
                                 <li>
                                 Fixed: handling of trailing whitespace bug (ast_parse/pt_parse related)
                                 <li>
                                 Fixed: comment_p and end of data bug
                                 <li>
                                 Fixed: Most trailing space bug
                                 <li>
                                    Fixed: <code>chset&lt;&gt;::operator~(range&lt;&gt;)</code> bug, <code>operator&amp;(chset&lt;&gt;, 
                                       range&lt;&gt;)</code> bug, <code>operator&amp;(range&lt;&gt;, chset&lt;&gt;)</code>
                                 bug
                                 <li>
                                    Fixed: <code>impl::detach_clear</code>
                                 bug
                                 <li>
                                 Fixed: mismatch closure return type bug
                                 <li>
                                    Fixed: <code>access_node_d[]</code> and <code>access_match_d[]</code>
                                 iterator bugs
                                 <li>
                                    Fixed a bug regarding threadsafety of Phoenix/Spirit closures.</li>
                              </ul>
                           <li>
                              The Boost Template <a href="libs/mpl/doc/index.html">Metaprogramming Library (MPL)</a>'s 
                           typeof implementation is now compatible with Metrowerks CodeWarrior Pro8.
                           <li>
                              <a href="libs/function/index.html">Boost.Function</a>: workaround for the 
                           new Borland patch (version 0x564) and MSVC++ .NET 2003.
                           <li>
                              <a href="libs/config/index.html">Boost.Config</a>, <a href="libs/format/doc/format.html">
                                 Boost.Format</a>, and <a href="libs/regex/index.html">Boost.Regex</a> have 
                              been adjusted to avoid warnings with GCC-3.3, and Boost.Format also now works 
                              with string types other than <code>std::string</code>.
                           <li>
                              <a href="libs/smart_ptr/index.html">Smart Pointers</a>
                              <ul>
                                 <li>
                                    <code>checked_delete</code>
                                 now works on more platforms
                                 <li>
                                 Compatibility with the SunPro compiler
                                 <li>
                                    Added missing <code>#include</code>s.</li>
                              </ul>
                           <li>
                              <a href="libs/python/index.html">Boost.Python</a>
                              <ul>
                                 <li>
                                 warning suppression for finicky compilers
                                 <li>
                                    fixed a crashing bug in the <code>raw_function</code>
                                 facility when no keyword arguments were passed.
                                 <li>
                                    Improved conversion of NULL <code>shared_ptr</code>s to Python.</li>
                              </ul>
                           </li>
                        </ul>
                        <h3>March 19, 2003 - Version 1.30.0</h3>
                        <ul>
                           <li>
                              <a href="libs/filesystem/doc/index.htm">Filesystem Library</a>
                           added - Portable paths, iteration over directories, and other useful filesystem 
                           operations, from Beman Dawes.
                           <li>
                              <a href="libs/optional/doc/optional.html">Optional Library</a>
                           added - A discriminated-union wrapper for optional values, from Fernando 
                           Cacciola.
                           <li>
                              <a href="libs/numeric/interval/doc/interval.htm">Interval Library</a>
                           added - Extends the usual arithmetic functions to mathematical intervals, from 
                           Guillaume Melquiond, Hervé Brönnimann and Sylvain Pion.
                           <li>
                              <a href="libs/mpl/doc/index.html">MPL</a>
                           added - Template metaprogramming framework of compile-time algorithms, 
                           sequences and metafunction classes, from Aleksey Gurtovoy.
                           <li>
                              <a href="libs/spirit/index.html">Spirit Library</a>
                           added - An LL (unlimited lookahead) parser framework that represents parsers 
                           directly as EBNF grammars in inlined C++ source code, complete with semantic 
                           actions, ASTs and much more, from Joel de Guzman and team.
                           <li>
                              <a href="libs/smart_ptr/index.html">Smart Pointers Library</a> - cast functions 
                              are now spelled <a href="libs/smart_ptr/shared_ptr.htm#static_pointer_cast">static_pointer_cast</a>
                              / <a href="libs/smart_ptr/shared_ptr.htm#dynamic_pointer_cast">dynamic_pointer_cast</a>
                              ; <a href="libs/smart_ptr/enable_shared_from_this.html">enable_shared_from_this</a>
                              added; shared_ptr::shared_ptr(), shared_ptr::reset(), weak_ptr::weak_ptr(), 
                              weak_ptr::reset() no longer throw; <a href="libs/smart_ptr/shared_ptr.htm#get_deleter">
                                 get_deleter</a> added; weak_ptr::get() removed; make_shared is now spelled <a href="libs/smart_ptr/weak_ptr.htm#lock">
                                 weak_ptr::lock()</a> ; <a href="libs/smart_ptr/intrusive_ptr.html">intrusive_ptr 
                                 documentation</a> added; some experimental undocumented shared_ptr features 
                              have been removed; a <a href="libs/smart_ptr/sp_techniques.html">page describing 
                                 some smart pointer programming techniques</a>
                           has been added.
                           <li>
                              <a href="libs/utility/assert.html">boost/assert.hpp</a>, <a href="libs/utility/current_function.html">
                                 boost/current_function.hpp</a>, <a href="libs/utility/throw_exception.html">boost/throw_exception.hpp</a>,
                              <a href="libs/utility/checked_delete.html">boost/checked_delete.hpp</a>
                           have been documented.
                           <li>
                              <a href="libs/date_time/doc/index.html">Date-Time Library</a> - several fixes 
                              and small additions including an interface change to partial_date. See <a href="libs/date_time/doc/Changes.html">
                                 Date-Time Change History</a>
                           for more details.
                           <li>
                              <a href="libs/function/index.html">Function Library</a>
                           - added support for assignment to zero (to clear) and comparison against zero 
                           (to check if empty).
                           <li>
                              <a href="libs/utility/operators.htm#symmetry">Operators Library</a>
                           - now takes advantage of named return value optimization (NRVO) when available, 
                           from Daniel Frey.
                           <li>
                              <a href="status/compiler_status.html">Regression Tests</a> - Much expanded, 
                              plus a very nice <a href="http://boost.sourceforge.net/regression-logs/">summary 
                                 page</a>
                           from Rene Rivera.
                           <li>
                              <a href="libs/test/index.html">Test Library</a> - introduced following new 
                              facilities:
                              <ul>
                                 <li>
                                 Automatic registration of unit tests
                                 <li>
                                 XML log format
                                 <li>
                                 XML report format
                                 <li>
                                 BOOST_CHECK_NO_THROW test tool
                                 <li>
                                    BOOST_BITWISE_CHECK test tool</li>
                              </ul>
                              For complete list of changes see Test Library <a href="libs/test/doc/release_notes.html#v1_30_0">
                                 release notes</a>
                           <li>
                              Many fixes and enhancements to other libraries.</li>
                        </ul>
                        <h3>October 10, 2002 - Version 1.29.0</h3>
                        <ul>
                           <li>
                              <a href="libs/date_time/doc/index.html">Date-Time Library</a>
                           added - Dates, times, leap seconds, infinity, and more, from Jeff Garland.
                           <li>
                              <a href="libs/dynamic_bitset/dynamic_bitset.html">Dynamic Bitset</a> added - A 
                              runtime sized version of the <tt>std::bitset</tt>
                           class from Jeremy Siek and Chuck Allison.
                           <li>
                              <a href="libs/format/index.html">Format Library</a>
                           added - Type-safe 'printf-like' format operations, from Samuel Krempp.
                           <li>
                              <a href="libs/function/index.html">Function Library</a>: Major syntactic 
                              changes have been made. Some old syntax and little-used features have been 
                              deprecated (and will be removed shortly), and the syntax for the <code>boost::function</code>
                              class template has been greatly improved on conforming compilers. Please see 
                              the <a href="libs/function/index.html#compatibility">compatibility note</a>
                           for more information.
                           <li>
                              <a href="libs/multi_array/doc/index.html">Multi-array Library</a>
                           added - Multidimensional containers and adaptors for arrays of contiguous data, 
                           from Ron Garcia.
                           <li>
                              <a href="libs/preprocessor/index.html">Preprocessor Library</a>: Major 
                           upgrade, from Paul Mensonides.
                           <li>
                              <a href="libs/python/doc/index.html">Python Library</a>
                           - Version 2 is released, from Dave Abrahams and others. This is a major rewrite 
                           which works on many more compilers and platforms, with a completely new 
                           interface and lots of new features. Boost.Python v2 requires Python 2.2 or 
                           later.
                           <li>
                              <a href="libs/signals/doc/index.html">Signals Library</a>
                           added - Managed signals &amp; slots callback implementation, from Doug Gregor.
                           <li>
                              <a href="libs/test/doc/index.html">Test Library</a>: Major new version, 
                           including full unit test capabilities, from Gennadiy Rozental.
                           <li>
                              <a href="libs/numeric/ublas/doc/index.htm">uBLAS Library</a> added - Basic 
                              linear algebra for dense, packed and sparse matrices, from Joerg Walter and 
                              Mathias Koch.</li>
                        </ul>
                     </td>
                  </tr>
               </table>
            </td>
         </tr>
      </table>
      <hr>
      <p>Revised 
         <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->05 February, 2004<!--webbot bot="Timestamp" endspan i-checksum="40407" --></p>
      <p>© Copyright Beman Dawes, David Abrahams, 1998-2003.</p>
      <p>
         Use, modification, and distribution is subject to the Boost Software License, 
         Version 1.0. (See accompanying file <a href="LICENSE_1_0.txt">LICENSE_1_0.txt</a>
         or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</p>
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