Add Thread library entries

[SVN r11277]

libs/libraries.htm

@@ -40,7 +40,8 @@ content="text/html; charset=iso-8859-1">
 higher-order programming<br>
 </a>&nbsp;&nbsp;&nbsp;&nbsp; <a href="#Generic">Generic Programming</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#Generic">Template
-Metaprogramming</a><br>
+Metaprogramming<br>
+</a>&nbsp;&nbsp;&nbsp;&nbsp; <a href="#Concurrent">Concurrent Programming</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#Math">Math and numerics<br>
 </a>&nbsp;&nbsp;&nbsp;&nbsp; <a href="#Inter-language">Inter-language support</a><br>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#Correctness">Correctness and testing<br>
@@ -138,6 +139,8 @@ out how to build object libraries, when needed.</p>
         Maddock.</li>
     <li><a href="test/doc/index.htm">test</a> - Support for program testing and
       execution, from Beman Dawes.</li>
+    <li><a href="thread/doc/index.html">thread</a> - Portable C++
+      multi-threading, from William Kempf.</li>
     <li><a href="timer/index.htm">timer</a> - Event timer,
         progress timer, and progress display classes, from Beman
         Dawes.</li>
@@ -255,6 +258,13 @@ out how to build object libraries, when needed.</p>
         Maddock, Steve Cleary, et al.</li>
 </ul>
 
+<h3><a name="Concurrent">Concurrent</a> Programming</h3>
+
+<ul>
+    <li><a href="thread/doc/index.html">thread</a> - Portable C++
+      multi-threading, from William Kempf.</li>
+</ul>
+
 <h3><a name="Math">Math</a> and numerics</h3>
 
 <ul>
@@ -385,6 +395,6 @@ libraries will soon be either submitted for formal review or removed.</p>
 <hr>
 
 <p>Revised <!--webbot bot="Timestamp" s-type="EDITED"
-s-format="%d %b %Y" startspan -->24 Sep 2001<!--webbot bot="Timestamp" endspan i-checksum="14934" --></p>
+s-format="%d %b %Y" startspan -->26 Sep 2001<!--webbot bot="Timestamp" endspan i-checksum="14938" --></p>
 </body>
 </html>