[boost][range] - Added documentation for the join() function. This is to resolve Trac ticket 4740.

[SVN r67428]

doc/html/range/reference/concept_implementation/semantics.html

@@ -31,7 +31,7 @@
 <dt><span class="section"><a href="semantics/functions.html">Functions</a></span></dt>
 </dl></div>
 <a name="range.reference.concept_implementation.semantics.notation"></a><h6>
-<a name="id629885"></a>
+<a name="id672176"></a>
           <a class="link" href="semantics.html#range.reference.concept_implementation.semantics.notation">notation</a>
         </h6>
 <div class="informaltable"><table class="table">