\leftmargin\leftmarginiii%
\labelwidth\leftmarginiii%
\advance\labelwidth-\labelsep%
% \partopsep\p@\@plus\z@\@minus\p@%
}
\def\@listiv{%
\leftmargin\leftmarginiii%
\labelwidth\leftmarginiii%
\advance\labelwidth-\labelsep%
% \partopsep\p@\@plus\z@\@minus\p@%
}
\def\@listiv{%