%% %% This is file `book.cls', %% generated with the docstrip utility. %% %% The original source files were: %% %% classes.dtx (with options: `book') %% %% This is a generated file. %% %% Copyright 1993-2014 %% The LaTeX3 Project and any individual authors listed elsewhere %% in this file. %% %% This file was generated from file(s) of the LaTeX base system. %% -------------------------------------------------------------- %% %% It may be distributed and/or modified under the %% conditions of the LaTeX Project Public License, either version 1.3c %% of this license or (at your option) any later version. %% The latest version of this license is in %% http://www.latex-project.org/lppl.txt %% and version 1.3c or later is part of all distributions of LaTeX %% version 2005/12/01 or later. %% %% This file has the LPPL maintenance status "maintained". %% %% This file may only be distributed together with a copy of the LaTeX %% base system. You may however distribute the LaTeX base system without %% such generated files. %% %% The list of all files belonging to the LaTeX base distribution is %% given in the file `manifest.txt'. See also `legal.txt' for additional %% information. %% %% The list of derived (unpacked) files belonging to the distribution %% and covered by LPPL is defined by the unpacking scripts (with %% extension .ins) which are part of the distribution. %% \CharacterTable %% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z %% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z %% Digits \0\1\2\3\4\5\6\7\8\9 %% Exclamation \! Double quote \" Hash (number) \# %% Dollar \$ Percent \% Ampersand \& %% Acute accent \' Left paren \( Right paren \) %% Asterisk \* Plus \+ Comma \, %% Minus \- Point \. Solidus \/ %% Colon \: Semicolon \; Less than \< %% Equals \= Greater than \> Question mark \? %% Commercial at \@ Left bracket \[ Backslash \\ %% Right bracket \] Circumflex \^ Underscore \_ %% Grave accent \` Left brace \{ Vertical bar \| %% Right brace \} Tilde \~} \NeedsTeXFormat{LaTeX2e}[1995/12/01] \ProvidesClass{book} [2007/10/19 v1.4h Standard LaTeX document class] \newcommand\@ptsize{} \newif\if@restonecol \newif\if@titlepage \@titlepagetrue \newif\if@openright \newif\if@mainmatter \@mainmattertrue \if@compatibility\else \DeclareOption{a4paper} {\setlength\paperheight {297mm}% \setlength\paperwidth {210mm}} \DeclareOption{a5paper} {\setlength\paperheight {210mm}% \setlength\paperwidth {148mm}} \DeclareOption{b5paper} {\setlength\paperheight {250mm}% \setlength\paperwidth {176mm}} \DeclareOption{letterpaper} {\setlength\paperheight {11in}% \setlength\paperwidth {8.5in}} \DeclareOption{legalpaper} {\setlength\paperheight {14in}% \setlength\paperwidth {8.5in}} \DeclareOption{executivepaper} {\setlength\paperheight {10.5in}% \setlength\paperwidth {7.25in}} \DeclareOption{landscape} {\setlength\@tempdima {\paperheight}% \setlength\paperheight {\paperwidth}% \setlength\paperwidth {\@tempdima}} \fi \if@compatibility \renewcommand\@ptsize{0} \else \DeclareOption{10pt}{\renewcommand\@ptsize{0}} \fi \DeclareOption{11pt}{\renewcommand\@ptsize{1}} \DeclareOption{12pt}{\renewcommand\@ptsize{2}} \if@compatibility\else \DeclareOption{oneside}{\@twosidefalse \@mparswitchfalse} \fi \DeclareOption{twoside}{\@twosidetrue \@mparswitchtrue} \DeclareOption{draft}{\setlength\overfullrule{5pt}} \if@compatibility\else \DeclareOption{final}{\setlength\overfullrule{0pt}} \fi \DeclareOption{titlepage}{\@titlepagetrue} \if@compatibility\else \DeclareOption{notitlepage}{\@titlepagefalse} \fi \if@compatibility \@openrighttrue \else \DeclareOption{openright}{\@openrighttrue} \DeclareOption{openany}{\@openrightfalse} \fi \if@compatibility\else \DeclareOption{onecolumn}{\@twocolumnfalse} \fi \DeclareOption{twocolumn}{\@twocolumntrue} \DeclareOption{leqno}{\input{leqno.clo}} \DeclareOption{fleqn}{\input{fleqn.clo}} \DeclareOption{openbib}{% \AtEndOfPackage{% \renewcommand\@openbib@code{% \advance\leftmargin\bibindent \itemindent -\bibindent \listparindent \itemindent \parsep \z@ }% \renewcommand\newblock{\par}}% } \ExecuteOptions{letterpaper,10pt,twoside,onecolumn,final,openright} \ProcessOptions \input{bk1\@ptsize.clo} \setlength\lineskip{1\p@} \setlength\normallineskip{1\p@} \renewcommand\baselinestretch{} \setlength\parskip{0\p@ \@plus \p@} \@lowpenalty 51 \@medpenalty 151 \@highpenalty 301 \setcounter{topnumber}{2} \renewcommand\topfraction{.7} \setcounter{bottomnumber}{1} \renewcommand\bottomfraction{.3} \setcounter{totalnumber}{3} \renewcommand\textfraction{.2} \renewcommand\floatpagefraction{.5} \setcounter{dbltopnumber}{2} \renewcommand\dbltopfraction{.7} \renewcommand\dblfloatpagefraction{.5} \if@twoside \def\ps@headings{% \let\@oddfoot\@empty\let\@evenfoot\@empty \def\@evenhead{\thepage\hfil\slshape\leftmark}% \def\@oddhead{{\slshape\rightmark}\hfil\thepage}% \let\@mkboth\markboth \def\chaptermark##1{% \markboth {\MakeUppercase{% \ifnum \c@secnumdepth >\m@ne \if@mainmatter \@chapapp\ \thechapter. \ % \fi \fi ##1}}{}}% \def\sectionmark##1{% \markright {\MakeUppercase{% \ifnum \c@secnumdepth >\z@ \thesection. \ % \fi ##1}}}} \else \def\ps@headings{% \let\@oddfoot\@empty \def\@oddhead{{\slshape\rightmark}\hfil\thepage}% \let\@mkboth\markboth \def\chaptermark##1{% \markright {\MakeUppercase{% \ifnum \c@secnumdepth >\m@ne \if@mainmatter \@chapapp\ \thechapter. \ % \fi \fi ##1}}}} \fi \def\ps@myheadings{% % \let\@oddfoot\@empty\let\@evenfoot\@empty % \def\@evenhead{\thepage\hfil\slshape\leftmark}% % \def\@oddhead{{\slshape\rightmark}\hfil\thepage}% \let\@oddhead\@empty\let\@evenhead\@empty \def\@evenfoot{\hfill\thepage\hfill}% \def\@oddfoot{\hfill\thepage\hfill}% \let\@mkboth\@gobbletwo \let\chaptermark\@gobble \let\sectionmark\@gobble } \if@titlepage \newcommand\maketitle{\begin{titlepage}% \let\footnotesize\small \let\footnoterule\relax \let \footnote \thanks \null\vfil \vskip 60\p@ \begin{center}% {\LARGE \@title \par}% \vskip 3em% {\large \lineskip .75em% \begin{tabular}[t]{c}% \@author \end{tabular}\par}% \vskip 1.5em% {\large \@date \par}% % Set date in \large size. \end{center}\par \@thanks \vfil\null \end{titlepage}% \setcounter{footnote}{0}% \global\let\thanks\relax \global\let\maketitle\relax \global\let\@thanks\@empty \global\let\@author\@empty \global\let\@date\@empty \global\let\@title\@empty \global\let\title\relax \global\let\author\relax \global\let\date\relax \global\let\and\relax } \else \newcommand\maketitle{\par \begingroup \renewcommand\thefootnote{\@fnsymbol\c@footnote}% \def\@makefnmark{\rlap{\@textsuperscript{\normalfont\@thefnmark}}}% \long\def\@makefntext##1{\parindent 1em\noindent \hb@xt@1.8em{% \hss\@textsuperscript{\normalfont\@thefnmark}}##1}% \if@twocolumn \ifnum \col@number=\@ne \@maketitle \else \twocolumn[\@maketitle]% \fi \else \newpage \global\@topnum\z@ % Prevents figures from going at top of page. \@maketitle \fi \thispagestyle{plain}\@thanks \endgroup \setcounter{footnote}{0}% \global\let\thanks\relax \global\let\maketitle\relax \global\let\@maketitle\relax \global\let\@thanks\@empty \global\let\@author\@empty \global\let\@date\@empty \global\let\@title\@empty \global\let\title\relax \global\let\author\relax \global\let\date\relax \global\let\and\relax } \def\@maketitle{% \newpage \null \vskip 2em% \begin{center}% \let \footnote \thanks {\LARGE \@title \par}% \vskip 1.5em% {\large \lineskip .5em% \begin{tabular}[t]{c}% \@author \end{tabular}\par}% \vskip 1em% {\large \@date}% \end{center}% \par \vskip 1.5em} \fi \newcommand*\chaptermark[1]{} \setcounter{secnumdepth}{2} \newcounter {part} \newcounter {chapter} \newcounter {section}[chapter] \newcounter {subsection}[section] \newcounter {subsubsection}[subsection] \newcounter {paragraph}[subsubsection] \newcounter {subparagraph}[paragraph] \renewcommand \thepart {\@Roman\c@part} \renewcommand \thechapter {\@arabic\c@chapter} \renewcommand \thesection {\thechapter.\@arabic\c@section} \renewcommand\thesubsection {\thesection.\@arabic\c@subsection} \renewcommand\thesubsubsection{\thesubsection.\@arabic\c@subsubsection} \renewcommand\theparagraph {\thesubsubsection.\@arabic\c@paragraph} \renewcommand\thesubparagraph {\theparagraph.\@arabic\c@subparagraph} \newcommand\@chapapp{\chaptername} \newcommand\frontmatter{% \cleardoublepage \@mainmatterfalse \pagenumbering{roman}} \newcommand\mainmatter{% \cleardoublepage \@mainmattertrue \pagenumbering{arabic}} \newcommand\backmatter{% \if@openright \cleardoublepage \else \clearpage \fi \@mainmatterfalse} \newcommand\part{% \if@openright \cleardoublepage \else \clearpage \fi \thispagestyle{plain}% \if@twocolumn \onecolumn \@tempswatrue \else \@tempswafalse \fi \null\vfil \secdef\@part\@spart} \def\@part[#1]#2{% \ifnum \c@secnumdepth >-2\relax \refstepcounter{part}% \addcontentsline{toc}{part}{\thepart\hspace{1em}#1}% \else \addcontentsline{toc}{part}{#1}% \fi \markboth{}{}% {\centering \interlinepenalty \@M \normalfont \ifnum \c@secnumdepth >-2\relax \huge\bfseries \partname\nobreakspace\thepart \par \vskip 20\p@ \fi \Huge \bfseries #2\par}% \@endpart} \def\@spart#1{% {\centering \interlinepenalty \@M \normalfont \Huge \bfseries #1\par}% \@endpart} \def\@endpart{\vfil\newpage \if@twoside \if@openright \null \thispagestyle{empty}% \newpage \fi \fi \if@tempswa \twocolumn \fi} \newcommand\chapter{\if@openright\cleardoublepage\else\clearpage\fi \thispagestyle{plain}% \global\@topnum\z@ \@afterindentfalse \secdef\@chapter\@schapter} \def\@chapter[#1]#2{\ifnum \c@secnumdepth >\m@ne \if@mainmatter \refstepcounter{chapter}% \typeout{\@chapapp\space\thechapter.}% \addcontentsline{toc}{chapter}% {\protect\numberline{\thechapter}#1}% \else \addcontentsline{toc}{chapter}{#1}% \fi \else \addcontentsline{toc}{chapter}{#1}% \fi \chaptermark{#1}% \addtocontents{lof}{\protect\addvspace{10\p@}}% \addtocontents{lot}{\protect\addvspace{10\p@}}% \if@twocolumn \@topnewpage[\@makechapterhead{#2}]% \else \@makechapterhead{#2}% \@afterheading \fi} \def\@makechapterhead#1{% \vspace*{50\p@}% {\parindent \z@ \raggedright \normalfont \ifnum \c@secnumdepth >\m@ne \if@mainmatter \huge\bfseries \@chapapp\space \thechapter \par\nobreak \vskip 20\p@ \fi \fi \interlinepenalty\@M \Huge \bfseries #1\par\nobreak \vskip 40\p@ }} \def\@schapter#1{\if@twocolumn \@topnewpage[\@makeschapterhead{#1}]% \else \@makeschapterhead{#1}% \@afterheading \fi} \def\@makeschapterhead#1{% \vspace*{50\p@}% {\parindent \z@ \raggedright \normalfont \interlinepenalty\@M \Huge \bfseries #1\par\nobreak \vskip 40\p@ }} \newcommand\section{\@startsection {section}{1}{\z@}% {-3.5ex \@plus -1ex \@minus -.2ex}% {2.3ex \@plus.2ex}% {\normalfont\Large\bfseries}} \newcommand\subsection{\@startsection{subsection}{2}{\z@}% {-3.25ex\@plus -1ex \@minus -.2ex}% {1.5ex \@plus .2ex}% {\normalfont\large\bfseries}} \newcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}% {-3.25ex\@plus -1ex \@minus -.2ex}% {1.5ex \@plus .2ex}% {\normalfont\normalsize\bfseries}} \newcommand\paragraph{\@startsection{paragraph}{4}{\z@}% {3.25ex \@plus1ex \@minus.2ex}% {-1em}% {\normalfont\normalsize\bfseries}} \newcommand\subparagraph{\@startsection{subparagraph}{5}{\parindent}% {3.25ex \@plus1ex \@minus .2ex}% {-1em}% {\normalfont\normalsize\bfseries}} \if@twocolumn \setlength\leftmargini {2em} \else \setlength\leftmargini {2.5em} \fi \leftmargin \leftmargini \setlength\leftmarginii {2.2em} \setlength\leftmarginiii {1.87em} \setlength\leftmarginiv {1.7em} \if@twocolumn \setlength\leftmarginv {.5em} \setlength\leftmarginvi {.5em} \else \setlength\leftmarginv {1em} \setlength\leftmarginvi {1em} \fi \setlength \labelsep {.5em} \setlength \labelwidth{\leftmargini} \addtolength\labelwidth{-\labelsep} \@beginparpenalty -\@lowpenalty \@endparpenalty -\@lowpenalty \@itempenalty -\@lowpenalty \renewcommand\theenumi{\@arabic\c@enumi} \renewcommand\theenumii{\@alph\c@enumii} \renewcommand\theenumiii{\@roman\c@enumiii} \renewcommand\theenumiv{\@Alph\c@enumiv} \newcommand\labelenumi{\theenumi.} \newcommand\labelenumii{(\theenumii)} \newcommand\labelenumiii{\theenumiii.} \newcommand\labelenumiv{\theenumiv.} \renewcommand\p@enumii{\theenumi} \renewcommand\p@enumiii{\theenumi(\theenumii)} \renewcommand\p@enumiv{\p@enumiii\theenumiii} \newcommand\labelitemi{\textbullet} \newcommand\labelitemii{\normalfont\bfseries \textendash} \newcommand\labelitemiii{\textasteriskcentered} \newcommand\labelitemiv{\textperiodcentered} \newenvironment{description} {\list{}{\labelwidth\z@ \itemindent-\leftmargin \let\makelabel\descriptionlabel}} {\endlist} \newcommand*\descriptionlabel[1]{\hspace\labelsep \normalfont\bfseries #1} \newenvironment{verse} {\let\\\@centercr \list{}{\itemsep \z@ \itemindent -1.5em% \listparindent\itemindent \rightmargin \leftmargin \advance\leftmargin 1.5em}% \item\relax} {\endlist} \newenvironment{quotation} {\list{}{\listparindent 1.5em% \itemindent \listparindent \rightmargin \leftmargin \parsep \z@ \@plus\p@}% \item\relax} {\endlist} \newenvironment{quote} {\list{}{\rightmargin\leftmargin}% \item\relax} {\endlist} \if@compatibility \newenvironment{titlepage} {% \cleardoublepage \if@twocolumn \@restonecoltrue\onecolumn \else \@restonecolfalse\newpage \fi \thispagestyle{empty}% \setcounter{page}\z@ }% {\if@restonecol\twocolumn \else \newpage \fi } \else \newenvironment{titlepage} {% \cleardoublepage \if@twocolumn \@restonecoltrue\onecolumn \else \@restonecolfalse\newpage \fi \thispagestyle{empty}% \setcounter{page}\@ne }% {\if@restonecol\twocolumn \else \newpage \fi \if@twoside\else \setcounter{page}\@ne \fi } \fi \newcommand\appendix{\par \setcounter{chapter}{0}% \setcounter{section}{0}% \gdef\@chapapp{\appendixname}% \gdef\thechapter{\@Alph\c@chapter}} \setlength\arraycolsep{5\p@} \setlength\tabcolsep{6\p@} \setlength\arrayrulewidth{.4\p@} \setlength\doublerulesep{2\p@} \setlength\tabbingsep{\labelsep} \skip\@mpfootins = \skip\footins \setlength\fboxsep{3\p@} \setlength\fboxrule{.4\p@} \@addtoreset {equation}{chapter} \renewcommand\theequation {\ifnum \c@chapter>\z@ \thechapter.\fi \@arabic\c@equation} \newcounter{figure}[chapter] \renewcommand \thefigure {\ifnum \c@chapter>\z@ \thechapter.\fi \@arabic\c@figure} \def\fps@figure{tbp} \def\ftype@figure{1} \def\ext@figure{lof} \def\fnum@figure{\figurename\nobreakspace\thefigure} \newenvironment{figure} {\@float{figure}} {\end@float} \newenvironment{figure*} {\@dblfloat{figure}} {\end@dblfloat} \newcounter{table}[chapter] \renewcommand \thetable {\ifnum \c@chapter>\z@ \thechapter.\fi \@arabic\c@table} \def\fps@table{tbp} \def\ftype@table{2} \def\ext@table{lot} \def\fnum@table{\tablename\nobreakspace\thetable} \newenvironment{table} {\@float{table}} {\end@float} \newenvironment{table*} {\@dblfloat{table}} {\end@dblfloat} \newlength\abovecaptionskip \newlength\belowcaptionskip \setlength\abovecaptionskip{10\p@} \setlength\belowcaptionskip{0\p@} \long\def\@makecaption#1#2{% \vskip\abovecaptionskip \sbox\@tempboxa{#1: #2}% \ifdim \wd\@tempboxa >\hsize #1: #2\par \else \global \@minipagefalse \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}% \fi \vskip\belowcaptionskip} \DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm} \DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf} \DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt} \DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf} \DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit} \DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl} \DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc} \DeclareRobustCommand*\cal{\@fontswitch\relax\mathcal} \DeclareRobustCommand*\mit{\@fontswitch\relax\mathnormal} \newcommand\@pnumwidth{1.55em} \newcommand\@tocrmarg{2.55em} \newcommand\@dotsep{4.5} \setcounter{tocdepth}{2} \newcommand\tableofcontents{% \if@twocolumn \@restonecoltrue\onecolumn \else \@restonecolfalse \fi \chapter*{\contentsname \@mkboth{% \MakeUppercase\contentsname}{\MakeUppercase\contentsname}}% \@starttoc{toc}% \if@restonecol\twocolumn\fi } \newcommand*\l@part[2]{% \ifnum \c@tocdepth >-2\relax \addpenalty{-\@highpenalty}% \addvspace{2.25em \@plus\p@}% \setlength\@tempdima{3em}% \begingroup \parindent \z@ \rightskip \@pnumwidth \parfillskip -\@pnumwidth {\leavevmode \large \bfseries #1\hfil \hb@xt@\@pnumwidth{\hss #2}}\par \nobreak \global\@nobreaktrue \everypar{\global\@nobreakfalse\everypar{}}% \endgroup \fi} \newcommand*\l@chapter[2]{% \ifnum \c@tocdepth >\m@ne \addpenalty{-\@highpenalty}% \vskip 1.0em \@plus\p@ \setlength\@tempdima{1.5em}% \begingroup \parindent \z@ \rightskip \@pnumwidth \parfillskip -\@pnumwidth \leavevmode \bfseries \advance\leftskip\@tempdima \hskip -\leftskip #1\nobreak\hfil \nobreak\hb@xt@\@pnumwidth{\hss #2}\par \penalty\@highpenalty \endgroup \fi} \newcommand*\l@section{\@dottedtocline{1}{1.5em}{2.3em}} \newcommand*\l@subsection{\@dottedtocline{2}{3.8em}{3.2em}} \newcommand*\l@subsubsection{\@dottedtocline{3}{7.0em}{4.1em}} \newcommand*\l@paragraph{\@dottedtocline{4}{10em}{5em}} \newcommand*\l@subparagraph{\@dottedtocline{5}{12em}{6em}} \newcommand\listoffigures{% \if@twocolumn \@restonecoltrue\onecolumn \else \@restonecolfalse \fi \chapter*{\listfigurename}% \@mkboth{\MakeUppercase\listfigurename}% {\MakeUppercase\listfigurename}% \@starttoc{lof}% \if@restonecol\twocolumn\fi } \newcommand*\l@figure{\@dottedtocline{1}{1.5em}{2.3em}} \newcommand\listoftables{% \if@twocolumn \@restonecoltrue\onecolumn \else \@restonecolfalse \fi \chapter*{\listtablename}% \@mkboth{% \MakeUppercase\listtablename}% {\MakeUppercase\listtablename}% \@starttoc{lot}% \if@restonecol\twocolumn\fi } \let\l@table\l@figure \newdimen\bibindent \setlength\bibindent{1.5em} \newenvironment{thebibliography}[1] {\chapter*{\bibname}% \@mkboth{\MakeUppercase\bibname}{\MakeUppercase\bibname}% \list{\@biblabel{\@arabic\c@enumiv}}% {\settowidth\labelwidth{\@biblabel{#1}}% \leftmargin\labelwidth \advance\leftmargin\labelsep \@openbib@code \usecounter{enumiv}% \let\p@enumiv\@empty \renewcommand\theenumiv{\@arabic\c@enumiv}}% \sloppy \clubpenalty4000 \@clubpenalty \clubpenalty \widowpenalty4000% \sfcode`\.\@m} {\def\@noitemerr {\@latex@warning{Empty `thebibliography' environment}}% \endlist} \newcommand\newblock{\hskip .11em\@plus.33em\@minus.07em} \let\@openbib@code\@empty \newenvironment{theindex} {\if@twocolumn \@restonecolfalse \else \@restonecoltrue \fi \twocolumn[\@makeschapterhead{\indexname}]% \@mkboth{\MakeUppercase\indexname}% {\MakeUppercase\indexname}% \thispagestyle{plain}\parindent\z@ \parskip\z@ \@plus .3\p@\relax \columnseprule \z@ \columnsep 35\p@ \let\item\@idxitem} {\if@restonecol\onecolumn\else\clearpage\fi} \newcommand\@idxitem{\par\hangindent 40\p@} \newcommand\subitem{\@idxitem \hspace*{20\p@}} \newcommand\subsubitem{\@idxitem \hspace*{30\p@}} \newcommand\indexspace{\par \vskip 10\p@ \@plus5\p@ \@minus3\p@\relax} \renewcommand\footnoterule{% \kern-3\p@ \hrule\@width.4\columnwidth \kern2.6\p@} \@addtoreset{footnote}{chapter} \newcommand\@makefntext[1]{% \parindent 1em% \noindent \hb@xt@1.8em{\hss\@makefnmark}#1} \newcommand\contentsname{Contents} \newcommand\listfigurename{List of Figures} \newcommand\listtablename{List of Tables} \newcommand\bibname{Bibliography} \newcommand\indexname{Index} \newcommand\figurename{Figure} \newcommand\tablename{Table} \newcommand\partname{Part} \newcommand\chaptername{Chapter} \newcommand\appendixname{Appendix} \def\today{\ifcase\month\or January\or February\or March\or April\or May\or June\or July\or August\or September\or October\or November\or December\fi \space\number\day, \number\year} \setlength\columnsep{10\p@} \setlength\columnseprule{0\p@} \pagestyle{headings} \pagenumbering{arabic} \if@twoside \else \raggedbottom \fi \if@twocolumn \twocolumn \sloppy \flushbottom \else \onecolumn \fi \endinput %% %% End of file `book.cls'.