newenum.sty

\NeedsTeXFormat{pLaTeX2e}
%%
\newcommand{\circlenum}[1]{{\ooalign{\hfill$\scriptstyle#1$\hfill\crcr$\bigcirc$}}}%
\newenvironment{newenumerate}
  {%
   \renewcommand{\theenumii}{\@arabic\c@enumii}
   \renewcommand{\labelenumii}{\circlenum{\theenumii}}%
   \renewcommand{\labelenumi}{(\theenumi)}
   \ifnum \@enumdepth >\thr@@\@toodeep\else
   \advance\@enumdepth\@ne
   \edef\@enumctr{enum\romannumeral\the\@enumdepth}%
   \list{\csname label\@enumctr\endcsname}{%
      \iftdir
         \ifnum \@listdepth=\@ne \topsep.5\normalbaselineskip
           \else\topsep\z@\fi
         \labelwidth1zw \labelsep.3zw
         \ifnum \@enumdepth=\@ne \leftmargin1zw\relax
           \else\leftmargin\leftskip\fi
      \fi
         \usecounter{\@enumctr}%
         \parskip\z@ \itemsep\z@ \parsep\z@
         \rightmargin\z@
         \listparindent 10pt%
         \itemindent\listparindent
         \def\makelabel##1{\hss\llap{##1}}}%
   \fi}{\endlist}
%%