\begingroup \makeatletter
\@ifundefined{theorem@style}{\input{newthm.sty}}{}
\ProvidesFile{n-thm.sty}
             [\filedate\space Theorem layout style \fileversion]
\wlog{Theorem layout: `theorem-margin' \fileversion \space
         <\filedate>  (FMi)}
\gdef\th@margin{\normalfont\slshape
  \def\@begintheorem##1##2{\item
       [\theorem@headerfont \llap{##2}\hskip\labelsep ##1\th@thmsep]}%
\def\@opargbegintheorem##1##2##3{%
  \item[\theorem@headerfont \llap{##2}\hskip\labelsep ##1\ (##3)\th@thmsep]}}
\endgroup

\endinput
%% 
%% End of file `n-thm.sty'.
