ring</i>,]<br>
&nbsp;&nbsp;[1] = <i>mesgt</i>,<br>
&nbsp;&nbsp;[2] = <i>mesgt</i>,<br>
&nbsp;&nbsp;...<br>
&nbsp;&nbsp;[<i>n</i>] = <i>mesgt</i>,<br>
&nbsp;&nbsp;[epilogue = <i>string</i>,]<br>
}<br>
</tt></td></tr>
</table>
</blockquote>

<p class=parameters>
For a simple message, all that is needed is a set of <tt>headers</tt>
and the <tt>body</tt>. The message <tt>body</tt> can be given as a string
or as a <em>simple</em> 
<a href="http://lua-users.org/wiki/FiltersSourcesAndSinks">LTN12</a> 
source. For 