subtype.
        </li>
</ol></div>
<p>
      When we do the above, it is best to put all the macros in a single header file
      and always include that header file when we work generically with our user-defined
      subtype.
    </p>
<h4>
<a name="variadic_macro_data.vmd_identifier_subtype.h1"></a>
      <span class="phrase"><a name="variadic_macro_data.vmd_identifier_subtype.register_and_pre_detect_all_iden"></a></span><a class="link" href="vmd_identifier_subtype.html#variadic_macro_data.vmd_identifier_