Convert a named reference into a section number

Author: jaredhoberock

data_parallel_types.html

@@ -491,7 +491,7 @@ <h1><ins><code>simd</code> type traits</ins></h1>
 
         <ins>
         <cxx-note>
-          The rules are different from those in <a href="#parallel.simd.overview">[parallel.simd.overview]</a>.
+          The rules are different from those in (<cxx-ref to="parallel.simd.overview"></cxx-ref>).
         </cxx-note>
         </ins>
       </ins>