\pagestyle{empty}
\usepackage[landscape]{geometry}
\usepackage[obeyspaces,spaces]{url}
\advance\topmargin-.85in
\advance\textheight2.2in
\advance\textwidth3.2in
\advance\oddsidemargin-1.6in
\advance\evensidemargin-1.6in
\parindent0pt
\parskip1.5pt

\newcommand{\hr}{\centerline{\rule{\columnwidth}{1pt}}}
% Adjust gap to affect spacing, page count
%\newcommand{\sect}[1]{\hr\par\vspace*{2pt}\textbf{#1}\par}
\newcommand{\sect}[2][]{\hr\par\vspace*{0.7pt}\textbf{#2}\quad\textbf{\secttitle@shaded@color@nu #1}}
%\newcommand{\sect}[1]{\hr\par\vspace*{0.1pt}\textbf{#1}}

% Mandatory indentation on subsidiary lines
\newcommand{\skipin}{\hspace*{12pt}}





\newcommand{\EX}[1]{\Ex{\sagecommand{#1}}}
\newcommand{\Ex}[1]{{\ex #1}}

\newcommand{\EXtt}[1]{\Ex{\sagecommandtt{#1}}}

\newcommand{\EXVAR}[1]{\Exvar{\sagevar{#1}}}
\newcommand{\EXvar}[1]{\Exvar{$#1$}}
\newcommand{\Exvar}[1]{{\exvar #1}}




\newcommand{\CAUTION}[1]{\Caution #1}
\newcommand{\Caution}{{\warn Caution}: }

\newcommand{\NOTE}[1]{\Note #1}
\newcommand{\Note}{{\warn Note}: }


\newcommand{\ex}{\ex@color@nu}
\newcommand{\exvar}{\exvar@color@nu}
\newcommand{\warn}{\bf\warn@color@nu}
\newcommand{\keystroke}{\keystroke@color@nu}

\newcommand{\KEYSTROKE}[1]{{\keystroke$\langle${#1}$\rangle$}}


\DeclareUrlCommand\sagecommand{\urlstyle{tt}}
\DeclareUrlCommand\sagevar{\def\UrlFont{\it}}
\newcommand{\sagecommandtt}[1]{\texttt{#1}}




\newcommand{\tabkey}{\KEYSTROKE{tab}}
\newcommand{\shiftEnterkey}{\KEYSTROKE{shift-enter}}
\newcommand{\altEnterkey}{\KEYSTROKE{alt-enter}}
\newcommand{\controlBackspacekey}{\KEYSTROKE{control-backspace}}




\newcommand{\BreakLineAndFulshLeft}{\\$\phantom{z}$\ \hfill}
\newcommand{\BreakLineAndIndent}[1][\skipin]{\\{}#1{}}
\newcommand{\BreakLineAndDoubleIndent}{\BreakLineAndIndent[\skipin\skipin]}




%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\newenvironment{original}{\par
%{}\hfill\begin{minipage}[b]{0.87\columnwidth}
%\base@shaded@color@nu
%\def\ex@color@nu{\ex@shaded@color@nu}
%\def\exvar@color@nu{\exvar@shaded@color@nu}
%\def\keystroke@color@nu{\keystroke@shaded@color@nu}
%\def\warn@color@nu{\warn@shaded@color@nu}
%}{\end{minipage}\par}

\newenvironment{original}{%
\par{}\begin{originallist@nu}
\base@shaded@color@nu
\def\ex@color@nu{\ex@shaded@color@nu}
\def\exvar@color@nu{\exvar@shaded@color@nu}
\def\keystroke@color@nu{\keystroke@shaded@color@nu}
\def\warn@color@nu{\warn@shaded@color@nu} %
}{\end{originallist@nu}\par}

\newenvironment{originallist@nu}{\begin{list}{}{
\setlength\itemsep{0pt}
\setlength\baselineskip{0pt}
\setlength\itemindent{0pt}
\setlength\labelsep{0pt}
\setlength\labelwidth{0pt}
\setlength\leftmargin{24pt}
\setlength\listparindent{0pt}
\setlength\parsep{0pt}
\setlength\parskip{1.2pt}
\setlength\partopsep{0pt}
\setlength\topsep{0pt}
\setlength\rightmargin{0pt}
}
\item}{\end{list}\par}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\definecolor{shadedblack@nu}{rgb}{0.4, 0.4, 0.5}
\definecolor{shadedblack@I@nu}{rgb}{0.4, 0.4, 0.5}
\definecolor{shadedblue@nu}{rgb}{0.25, 0.25, 0.7}
\definecolor{shadedred@nu}{rgb}{0.7, 0.25, 0.25}

% If you want to modify only colors, please renewcommand the following:

\newcommand{\ex@color@nu}{\color{blue}}
\newcommand{\exvar@color@nu}{\color{blue}}
\newcommand{\keystroke@color@nu}{\ex@color@nu}
\newcommand{\warn@color@nu}{\bf\color{red}}

\newcommand{\base@shaded@color@nu}{\color{shadedblack@nu}\footnotesize}
\newcommand{\secttitle@shaded@color@nu}{\color{shadedblack@I@nu}\footnotesize}
\newcommand{\ex@shaded@color@nu}{\color{shadedblue@nu}}
\newcommand{\exvar@shaded@color@nu}{\color{shadedblue@nu}}
\newcommand{\keystroke@shaded@color@nu}{\ex@shaded@color@nu}
\newcommand{\warn@shaded@color@nu}{\color{shadedred@nu}\bf}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



