\NeedsTeXFormat{LaTeX2e} 
\ProvidesClass{zlbook} 
\LoadClass[a4paper,twoside,11pt]{book}
\usepackage{times}
\usepackage{chappg}
\usepackage{here}
\usepackage{alltt}
\usepackage[bookman]{quotchap}
\RequirePackage{shortvrb}
\MakeShortVerb{\§}

\let\o@verbatim\verbatim

\def\verbatim{%
  \ifhmode\unskip\par\fi
% \nopagebreak              % Overridden by list penalty
  \ifx\@currsize\normalsize
     \small
  \fi
  \o@verbatim
} 

% No paragraph indentation, space between paragraphs
\setlength{\parindent}{0pt} 
\setlength{\parskip}{\medskipamount} 

\renewcommand{\thepage}{\thechapter\ - \arabic{page}}

\usepackage{fancyhdr}
\pagestyle{fancy}
%\addtolength{\headwidth}{0.5in}
%\addtolength{\headwidth}{\marginparsep}
%\addtolength{\headwidth}{\marginparwidth}
\renewcommand{\chaptermark}[1]{\markboth{#1}{}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\ #1}}
\fancyhf{}
%\fancyhead[LE,RO]{\bfseries\thepage}
%\fancyhead[RO]{\bfseries\rightmark}
%\fancyhead[LE]{\bfseries\leftmark}
\fancyfoot[RO]{\bfseries\thepage}
\fancyfoot[LE]{\bfseries\thepage}

\fancyhead[RO]{\rightmark}
\fancyhead[LE]{\leftmark}
\fancyfoot[RO]{\thepage}
\fancyfoot[LE]{\thepage}

\fancypagestyle{plain}{%
    \fancyhf{}
    \renewcommand{\headrulewidth}{0pt}
    \renewcommand{\footrulewidth}{0pt}
}

\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
%\renewcommand{\normalsize}{\fontsize{10pt}{12pt}\selectfont}


\def\cleardoublepage{\clearpage\if@twoside \ifodd\c@page\else
    \hbox{}
    \vspace*{\fill}
    \begin{center}
%      This page intentionally left blank.
    \end{center}
    \vspace{\fill}
    \thispagestyle{empty}
    \newpage
    \if@twocolumn\hbox{}\newpage\fi\fi\fi}
      
%\addtolength{\textwidth}{1cm}


\newenvironment{decl}[1][]%
    {\par\small\addvspace{4.5ex plus 1ex}%
     \vskip -\parskip
     \ifx\relax#1\relax
        \def\@decl@date{}%
     \else
        \def\@decl@date{\NEWfeature{#1}}%
     \fi
     \noindent\hspace{-\leftmargini}%
     \begin{tabular}{|l|}\hline\ignorespaces}%
    {\\\hline\end{tabular}\nobreak\@decl@date\par\nobreak
     \vspace{2.3ex}\vskip -\parskip} 
     
\newcommand{\NEWfeature}[1]{%
   \hskip 1sp \marginpar{\small\sffamily\raggedright
     New feature\\#1}}