Doc/myformat.sty

% Style parameters and macros used by all documents here

% Page lay-out parameters
\textwidth =      150mm
\textheight =     240mm
\topmargin =      -11mm
\oddsidemargin =    5mm
\evensidemargin =   5mm

% Macros for e.g. and E.g. if you want them italicized:
% \newcommand{\eg}{{\it e.g.}}
% \newcommand{\Eg}{{\it E.g.}}
% If you don't want them italicized:
\newcommand{\eg}{e.g.}
\newcommand{\Eg}{E.g.}

% Frequently used system names
\newcommand{\Python}{Python}
\newcommand{\UNIX}{U{\sc nix}}

% Calculate the text width for the minipage in the code environment:
\newlength{\codewidth}
\setlength{\codewidth}{\textwidth}
\addtolength{\codewidth}{-\parindent}

% Code environment.  Use together with begin/end verbatim!
\newenvironment{code}%
{\vspace{10pt}\par\begin{minipage}{\codewidth}}% begin stuff
{\end{minipage}\par\vspace{10pt}\noindent}% end stuff