added info on how to map to and from MPL

[SVN r47647]

doc/html/fusion/algorithm/iteration.html

@@ -34,7 +34,7 @@
         a sequence repeatedly applying an operation to its elements.
       </p>
 <a name="fusion.algorithm.iteration.header"></a><h4>
-<a name="id579077"></a>
+<a name="id579256"></a>
         <a href="iteration.html#fusion.algorithm.iteration.header">Header</a>
       </h4>
 <pre class="programlisting">