added ref

[SVN r12471]

libs/libraries.htm

@@ -138,6 +138,11 @@ out how to build object libraries, when needed.</p>
         system for random number generation, from Jens Maurer.</li>
     <li><a href="rational/index.html">rational</a> - A rational
         number class, from Paul Moore.</li>
+
+    <li><a href="bind/ref.html">ref</a> - A utility library for
+    passing references to generic functions, from Jaako J&auml;rvi,
+    Peter Dimov, Doug Gregor, and Dave Abrahams.</li>
+
     <li><a href="regex/index.htm">regex</a> - Regular expression
         library, from John Maddock.</li>
     <li><a href="smart_ptr/index.htm">smart_ptr</a> - Four smart
@@ -225,12 +230,18 @@ out how to build object libraries, when needed.</p>
 
 <ul>
     <li><a href="bind/bind.html">bind</a> and <a href="bind/mem_fn.html"> mem_fn</a> - Generalized binders for function/object/pointers and member functions, from Peter Dimov.</li>
+
     <li><a href="compose/index.htm">compose</a> - Functional
         composition adapters for the STL, from Nicolai Josuttis.</li>
     <li><a href="function/index.html">function</a> - Function object wrappers
       for deferred calls or callbacks, from Doug Gregor.</li>
     <li><a href="functional/index.html">functional</a> - Enhanced
         function object adaptors, from Mark Rodgers.</li>
+
+    <li><a href="bind/ref.html">ref</a> - A utility library for
+    passing references to generic functions, from Jaako J&auml;rvi,
+    Peter Dimov, Doug Gregor, and Dave Abrahams.</li>
+
 </ul>
 
 <h3><a name="Generic">Generic</a> Programming</h3>