%  Default values for the \subheada markup
\subheadaformat{\numberingstyle{1}
   \titleformat{\removelastskip\goodbreak\vs{2\bl}
                \twelvept\bd\nin\subheadatitle\par\nobreak
                \vs{1\bl}\nobreak
                \setsubheadbnumber{0}
                \setsubheadcnumber{0}
                \setsubheaddnumber{0}
                }% end titleformat
   \incontents{yes}
}% end subheadaformat markup