REFSECT1:
Content Model Declaration

Content Rule

(refsect1info?,
 (title,subtitle?,titleabbrev?),
 (((calloutlist|glosslist|itemizedlist|orderedlist|segmentedlist|simplelist|
    variablelist|caution|important|note|tip|warning|literallayout|
    programlisting|programlistingco|screen|screenco|screenshot|synopsis|
    cmdsynopsis|funcsynopsis|classsynopsis|fieldsynopsis|constructorsynopsis|
    destructorsynopsis|methodsynopsis|formalpara|para|simpara|
    (address|blockquote|mediaobject|mediaobjectco|informalequation|
     informalexample|informalfigure|informaltable)|equation|example|figure|
    table|
    (msgset|procedure|sidebar)|
    (anchor|remark|highlights)|
    (abstract|authorblurb)|indexterm)+,refsect2*)|refsect2+))