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authorKarl Berry <karl@freefriends.org>2006-01-11 23:58:38 +0000
committerKarl Berry <karl@freefriends.org>2006-01-11 23:58:38 +0000
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tree1d19b5812421800aba40c5338d337060b4fab3f6 /Master/texmf-dist/source
parent7a11ab69c04f29af8eaa0fa74d53803decbbf357 (diff)
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+% \iffalse
+% This is the twoup package, twoup.dtx
+% Copyright 2005 by Mogens Lemvig Hansen.
+%
+% Run this file through LaTeX and read the documentation in twoup.dvi
+%
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either version 1.3
+% 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 1.3 or later is part of all distributions of LaTeX
+% version 2003/12/01 or later.
+%
+% This work has the LPPL maintenance status "maintained".
+%
+% This Current Maintainer of this work is Mogens Lemvig Hansen.
+%
+% This work consists of the files twoup.dtx and twoup.ins
+% and the derived file twoup.sty.
+%
+%<*docdriver>
+\documentclass{ltxdoc}[1996/01/11]
+\usepackage{url}
+%\discretionaries |~!@$%^&*()_+`=#{"}[]:;'<>,.?\/|
+%\CodelineIndex%\EnableCrossrefs
+\makeatletter
+\newcommand{\nextlinelabel}[2][1]{\@bsphack
+ \@tempcnta\c@CodelineNo
+ \advance\@tempcnta#1\relax
+ \def\@currentlabel{\the\@tempcnta}\label{#2}%
+ \@esphack}
+\makeatother
+\begin{document} \DocInput{twoup.dtx} \end{document}
+%</docdriver>
+% \fi
+% \CheckSum{324}
+% \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 \~}
+%
+% \def\fileversion{1.2} \def\filedate{2005/7/25} \def\docdate{\filedate}
+% \title{The \textsf{twoup} Package\thanks{This file describes version
+% \fileversion, \filedate.}}
+% \author{\copyright\ Mogens Lemvig Hansen\thanks{%
+% The \textsf{twoup} package is distributed under the \LaTeX\ Project
+% Public License; please see Section~\ref{sec:license}.}\\
+% mlhansen@uniserve.com}
+% \date{\docdate}
+% \maketitle
+% \begin{abstract}
+% The \textsf{twoup} assists in two-up or booklet printing
+% using the \textsf{2up} or \textsf{booklet} packages
+% or using the psnup program and friends.
+% \end{abstract}
+%
+% \tableofcontents\bigskip
+%
+% I am familiar with three ways of producing two-up
+% documents\footnote{That is, printing two logical pages side by
+% side on one side of one sheet of paper.} and
+% booklets:\footnote{That is, rearranging the logical pages before
+% printing them two-up on both sides of the paper in such a manner
+% that the resulting sheets of paper can be folded down the middle
+% into a small book.} the \textsf{2up} package, the \textsf{booklet}
+% package, and the postscript tool psnup.
+% The \textsf{2up} and \textsf{booklet} packages are both available
+% from CTAN, and psnup is included with many \TeX\ distributions
+% including MiK\TeX. All three will by default
+% accomplish this task by scaling the page down. However, a one-up
+% page layout does not necessarily work well when scaled. The
+% \textsf{twoup} package provides a page layout designed for two-up
+% printing and sets the relevant \textsf{2up} or \textsf{booklet}
+% parameters or gives advise on how to use the postscript tools.
+%
+% \section{Usage}
+% Give the paper size you intend to print on as an option to
+% \verb:\documentclass:.\footnote{If you intend to print on your
+% default paper size, you do not have to give any paper size
+% option.} The \textsf{twoup} package re-calculates the paper size
+% and margins for two-up printing.\footnote{If you print on
+% \texttt{a4paper}, \textsf{twoup} calculates the same paper size as
+% the \texttt{a5paper} option but with different (smaller) margins.
+% You may consider this discrepancy either a bug or a feature.}
+% Then choose the method:
+%
+% \subsection{Plain two-up with the \textsf{2up} package}
+% Load the \textsf{2up} package \emph{before} the \textsf{twoup}
+% package.
+% \begin{quote}
+% \verb:\documentclass[a4paper,12pt]{article}:\\
+% \verb:\usepackage{2up}:\\
+% \verb:\usepackage{twoup}:
+% \end{quote}
+%
+% Unfortunately cross references may not work out under the
+% \textsf{2up} package. The solution is, as explained in the
+% \textsf{2up} documentation, to comment out the
+% \verb:\usepackage{2up}: line, run your .tex file through \LaTeX\
+% until all references work out, then load \textsf{2up} again and run
+% your document through \LaTeX\ once (an only once).
+%
+% \subsection{Booklets with the \textsf{booklet} package}
+% Load the \textsf{booklet} package \emph{before} the \textsf{twoup}
+% package.
+% \begin{quote}
+% \verb:\documentclass[letterpaper,12pt]{article}:\\
+% \verb:\usepackage[print]{booklet}:\\
+% \verb:\usepackage{twoup}:
+% \end{quote}
+% Without the \verb:print: option, the \textsf{booklet} package does
+% nothing.
+%
+% The \textsf{booklet} package has miraculously solved the
+% cross-reference problem of the \textsf{2up} package but does not
+% provide a plain two-up option.
+%
+% \subsection{Plain two-up with the postscript tools}
+% Simply load the \textsf{twoup} package.
+% \begin{quote}
+% \verb:\documentclass[letterpaper,12pt]{article}:\\
+% \verb:\usepackage{twoup}:
+% \end{quote}
+% When you run your .tex file through \LaTeX, the \textsf{twoup}
+% package will tell you which options to use with the psnup program;
+% look for the psnup command line near the end of the
+% transcript.\footnote{Both on screen and in the .log file.} If you
+% give a paper size option, the \textsf{twoup} package will also
+% tell you which lines you will have to add to your postscript file
+% by hand.
+%
+% Run the .dvi file through dvips\footnote{The current version of
+% the \textsf{twoup} package requires that you use dvips. If you
+% want to use some other .dvi-to-postscript program, please see code
+% line~\ref{line:dvips} and the commentary around it.} to make a
+% postscript file.
+% \begin{quote}
+% \verb:dvips: \meta{file}
+% \end{quote}
+%
+% Then run psnup with the options that the \textsf{twoup} package
+% gave you above. Even Win95 allows you to cut-and-paste the
+% command line which could look something like this:
+% \begin{quote}
+% \verb:psnup: \verb:-pletter: \verb:-W396.0pt: \verb:-H612.0pt:
+% \verb:-2: \meta{file}\verb:.ps: \meta{twoup}\verb:.ps:
+% \end{quote}
+%
+% The postscript file, \meta{twoup}\verb:.ps:, has by now lost all
+% consciousness of which paper size it is to be printed on. If you
+% are about to print on your printer's default paper size, that is
+% no problem. To print on any other paper size you most likely have
+% to place a paper size command in \meta{twoup}\verb:.ps:. With a
+% plain text editor add the lines \textsf{twoup} gave you in the
+% \LaTeX\ run to \meta{twoup}\verb:.ps:. The lines to add could look
+% like this:
+% \begin{quote}
+% \verb;%%BeginPaperSize: letter;\\
+% \verb;letter;\\
+% \verb;%%EndPaperSize;
+% \end{quote}
+% Place the new lines just after the
+% \verb:%%EndComments: line near the top of \meta{twoup}\verb:.ps:.
+%
+% \subsection{Booklets with the postscript tools}
+% The \LaTeX\ side of making booklets is much like simple two-up.
+% You may want to use the \texttt{twoside} option to
+% \verb:\documentclass: to make the inner margins a bit larger etc.
+% \begin{quote}
+% \verb:\documentclass[a4paper,11pt,twoside]{article}:\\
+% \verb:\usepackage{twoup}:
+% \end{quote}
+% As above, the \textsf{twoup} package will advise you on which
+% options to use with the psnup program. Run your .dvi file through
+% dvips:
+% \begin{quote}
+% \verb:dvips: \meta{file}
+% \end{quote}
+%
+% Now the fun begins: Before using psnup you must use the psbook
+% program to fold your postscript file into a signature:
+% \begin{quote}
+% \verb:psbook: \meta{file}\verb:.ps: \meta{book}\verb:.ps:
+% \end{quote}
+% The number of pages in a signature must be divisible by four, so
+% psbook may add a few blank pages to the end of your booklet. Run
+% the result through psnup with the options the \textsf{twoup}
+% package calculated in the \LaTeX\ run. The command line could look
+% something like this:\footnote{Under Unix, you can pipe the psbook
+% and psnup commands together; Windows, however, does not like long
+% command lines.}
+% \begin{quote}
+% \verb:psnup: \verb:-pa4: \verb:-Pa5:
+% \verb:-2: \meta{book}\verb:.ps: \meta{twoup}\verb:.ps:
+% \end{quote}
+%
+% Unless you are about to print on your printer's default paper
+% size, add the paper size command to \meta{twoup}\verb:.ps: as
+% above.
+%
+% You can print your postscript file, \meta{twoup}\verb:.ps:, now,
+% but if you want to print double sided, you may have to split the
+% file in two with the psselect program:
+% \begin{quote}
+% \verb:psselect: \verb:-o: \meta{twoup}\verb:.ps:
+% \meta{odd}\verb:.ps:\\
+% \verb:psselect: \verb:-e:
+% \meta{twoup}\verb:.ps: \meta{even}\verb:.ps:
+% \end{quote}
+% Then print \meta{odd}\verb:.ps:, turn the paper over, and print
+% \meta{even}\verb:.ps:.\footnote{Depending on your printer, you may
+% want to use psselect's \texttt{-r} option to print the \meta{even}
+% pages in reverse order.}
+%
+% \subsection{Options}
+% By default the \textsf{twoup} package leaves room for running
+% headers and footers. Use the \texttt{noheadfoot},
+% \texttt{nofoot}, or \texttt{nohead} option to reclaim that space.
+% As a side efect, these options set the page style:
+% \texttt{noheadfoot} implies the \texttt{empty} page style,
+% \texttt{nofoot} implies the \texttt{headings} page style, and
+% \texttt{nohead} implies the \texttt{plain} page style. Moreover,
+% the \texttt{nofoot} and \texttt{noheadfoot} options disable the
+% \texttt{plain} page style\footnote{By making \texttt{plain}
+% synonymous with the \texttt{empty} style.} to prevent the
+% \verb:\chapter: command from inserting a
+% \verb:\thispagestyle{plain}: command.
+%
+% The \textsf{twoup} package knows the standard paper size options:
+% \texttt{letterpaper}, \texttt{legalpaper},
+% \texttt{executivepaper}, \texttt{a4paper}, \texttt{a5paper}, and
+% \texttt{b5paper}. You should use these options as global options
+% to \verb:\documentclass:. If you print two-up on
+% \texttt{legalpaper}, the text width is larger than what is
+% considered comfortable. You should use the \texttt{twocolumn}
+% option to \verb:\documentclass: or, better, the \textsf{multicol}
+% package.
+%
+% If you use \textsf{twoup} without \textsf{2up} or
+% \textsf{booklet}, then the \textsf{twoup} package will insert a
+% paper-size \verb:\special: in your .dvi file. Use the
+% \verb:nospecial: option to suppress this.
+%
+% \subsection{Additional commands}%
+% \DescribeMacro{\cleartolastpage}%
+% If you are making a booklet, the number of pages must be divisible
+% by four; indeed, the \textsf{booklet} package or the psbook
+% program will add blank pages as necessary. If, however, you want
+% to print on the last page, the back of your booklet, you can use
+% the \verb:\cleartolastpage: command in a \verb:twosided: context
+% to (print all pending tables, figures, and footnotes and) insert
+% as many blank pages as necessary to reach a page number divisible
+% by four. In detail,
+% \begin{quote}
+% \verb:\cleartolastpage:\oarg{div}\oarg{rem}\\
+% \verb:\cleartolastpage*:\oarg{div}\oarg{rem}
+% \end{quote}
+% both print all pending floats and insert blank pages until the
+% page number leaves remainder \meta{rem} when divided by
+% \meta{div}. The default value of \meta{rem} is~$0$, and the
+% default value of \meta{div} is~$4$ under the \verb:twosided: class
+% option and $2$ otherwise. The starred version suppresses the
+% printing of page numbers on the inserted blank pages.
+%
+% Thus \verb:\cleartolastpage[1]: is equivalent to \LaTeX's
+% \verb:\clearpage: command
+% and \verb:\cleartolastpage[2][1]: is equivalent to
+% \verb:\cleardoublepage:.
+%
+% The \verb:\cleartolastpage: command may fail to put you one the
+% last page if page~$1$ is not the very first page (maybe because
+% you have differently numbered front matter); use the optional
+% \meta{rem} argument to overcome this.
+%
+%
+% \section{Installation}
+% As you must have figured, you generate the documentation for the
+% \textsf{twoup} package by running the file \url:twoup.dtx: through
+% \LaTeX---thrice to resolve cross references.
+%
+% To extract the package itself from the .dtx file, run
+% \url:twoup.ins: through \LaTeX:
+% \begin{quote}
+% \verb:latex twoup.ins:
+% \end{quote}
+% You now have to decide what to do with several files.
+% \begin{itemize}
+% \item You may have to move the file \url:twoup.sty: to some
+% directory where \LaTeX\ can find it;
+% \url:(local)texmf/tex/latex/misc: would be the natural
+% choice~\cite{tds}.
+%
+% \item Move the documentation, \url:twoup.dvi: or \url:twoup.pdf:,
+% to \url:(local)texmf/doc/latex/misc:.
+%
+% \item You may discard the source files, \url:twoup.dtx: and
+% \url:twoup.ins:, or store them in
+% \url:(local)texmf/source/latex/misc:.
+%
+% \item Discard all remaining \url:twoup.*: files.
+% \end{itemize}
+%
+%
+% \section{Limitations}
+% The \textsf{twoup} package is designed for and tested on
+% \texttt{letterpaper}, \texttt{legalpaper}, and \texttt{a4paper}.
+% Printing two-up on smaller paper is hardly feasible; printing on
+% larger paper is beyond the normal desktop printer.
+%
+% The margins calculated by \textsf{twoup} are too small for
+% \verb:\marginpar:s.\footnote{But just large enough for the line
+% numbers inserted by the \textsf{lineno} package.}
+%
+% If you print two-up on \texttt{legalpaper}, \textsf{twoup} leaves
+% a text width larger than what is considered comfortable. You
+% should use the \texttt{twocolumn} option to \verb:\documentclass:
+% or, better, the \textsf{multicol} package.
+%
+% The \textsf{twoup} package is not compatible with the
+% \textsf{geometry} package. Both packages re-calculate the margins
+% and the disagree on the interpretation of the paper size options.
+%
+% I know very little about postscript, yet I tell you to go add
+% lines to .ps files. The advise \textsf{twoup} gives has always
+% worked for me; if it doesn't work for you, please teach me the
+% correct way.
+%
+% The current implementation of \textsf{twoup} requires dvips
+% (unless you use the \textsf{2up} or \textsf{booklet} packages).
+% This limitation is easily overcome with your help: please see code
+% line~\ref{line:dvips} and the commentary around it.
+%
+%
+% \section{License}\label{sec:license}
+% This work may be distributed and/or modified under the
+% conditions of the \LaTeX\ Project Public License, either version 1.3
+% of this license or (at your option) any later version.
+% The latest version of this license is in
+% \url{http://www.latex-project.org/lppl.txt}
+% and version 1.3 or later is part of all distributions of \LaTeX\
+% version 2003/12/01 or later.
+%
+% This work has the LPPL maintenance status ``maintained.''
+%
+% This Current Maintainer of this work is Mogens Lemvig Hansen.
+%
+% This work consists of the files \url{twoup.dtx} and \url{twoup.ins}
+% and the derived file \url{twoup.sty}.
+%
+%
+% \StopEventually{
+% \nocite{ltclass}
+% \bibliographystyle{is-plain}
+% ^^A\bibliography{tex}
+% \begin{thebibliography}{1}
+%
+% \bibitem{ltclass}
+% Leslie Lamport, Frank Mittelbach, and Johannes Braams.
+% \newblock {\em Standard Document Classes for \LaTeX\ version 2e}.
+% \newblock CTAN, 1999/09/10 edition, 1999.
+%
+% \bibitem{tds}
+% {TUG Working Group on a {\TeX} Directory Structure (TWG-TDS)}.
+% \newblock {\em A Directory Structure for {\TeX} Files}.
+% \newblock CTAN, version 0.9995, January 26, 1998 edition, 1998.
+%
+% \end{thebibliography}
+% }
+%
+% \section{Implementation}
+% The \textsf{twoup} package doesn't have to do much---just
+% re-calculate the paper size and the margins and put together the
+% advise on how to use the psnup program. The \textsf{twoup} package
+% does its thing based on the plain \LaTeX\ parameters
+% \verb:\paperwidth:, \verb:\paperheight:, \verb:\headheight:,
+% \verb:\headsep:, \verb:\footskip:, \verb:\topskip:, and
+% \verb:\baselineskip:.
+%
+% \subsection{Identification}
+% \begin{macrocode}
+%<*package>
+\NeedsTeXFormat{LaTeX2e}%
+\ProvidesPackage{twoup}[2005/07/25 version 1.2]
+% \end{macrocode}
+%
+% \subsection{Declaration of Options}
+% The \texttt{noheadfoot} option sets the relevant lenghts to zero.
+% Since there is no room for headers or footers, the only sensible
+% page style is \texttt{empty}. The \verb:\chapter: command issues
+% a \verb:\thispagestyle{plain}: command, so re-define the
+% \texttt{plain} style to be a synonym for the \texttt{empty}
+% style.\footnote{I borrowed the idea of brutally making
+% \texttt{plain} a synonym for \texttt{empty} from David Carlisle's
+% \textsf{nopageno} package.}
+% \begin{macrocode}
+\DeclareOption{noheadfoot}{%
+ \setlength{\headheight}{0pt}%
+ \setlength{\headsep}{0pt}%
+ \setlength{\footskip}{0pt}%
+ \let\ps@plain\ps@empty
+ \pagestyle{empty}}
+% \end{macrocode}
+% With room for a header but without a footer the most sensible page
+% style would be \texttt{headings}. Again the \texttt{plain} page
+% style must be disabled.
+% \begin{macrocode}
+\DeclareOption{nofoot}{%
+ \setlength{\footskip}{0pt}%
+ \let\ps@plain\ps@empty
+ \pagestyle{headings}}
+% \end{macrocode}
+% With room for a footer but no header the most sensible page style
+% is \texttt{plain}---so don't change \texttt{plain}.
+% \begin{macrocode}
+\DeclareOption{nohead}{%
+ \setlength{\headheight}{0pt}%
+ \setlength{\headsep}{0pt}%
+ \pagestyle{plain}}
+% \end{macrocode}
+%
+% \begin{macro}{\TwoUp@info}
+% \begin{macro}{\TwoUp@paper}
+% The paper size options record part of the advise on how to use the
+% psnup program in \verb:\TwoUp@info: and part of the advise on how
+% to edit the final postscript file in \verb:\TwoUp@paper:.
+% \begin{macrocode}
+\DeclareOption{letterpaper}{%
+ \def\TwoUp@info{-pletter -W5.5in -H8.5in}%
+ \def\TwoUp@paper{letter}}%
+\DeclareOption{legalpaper}{%
+ \def\TwoUp@info{-plegal -W7in -H8.5in}%
+ \def\TwoUp@paper{legal}}%
+\DeclareOption{executivepaper}{%
+ \def\TwoUp@info{-pexecutive -W5.25in -H7.25in}%
+ \def\TwoUp@paper{executive}}%
+\DeclareOption{a4paper}{%
+ \def\TwoUp@info{-pa4 -Pa5}%
+ \def\TwoUp@paper{a4}}%
+\DeclareOption{a5paper}{%
+ \def\TwoUp@info{-pa5 -W105mm -H148mm}%
+ \def\TwoUp@paper{a5}}%
+\DeclareOption{b5paper}{%
+ \def\TwoUp@info{-pb5 -W125mm -H176mm}%
+ \def\TwoUp@paper{b5}}%
+% \end{macrocode}
+% \end{macro}\end{macro}
+%
+% \begin{macro}{\TwoUp@special}
+% The \textsf{twoup} package needs to record the (smaller) paper
+% size in the postscript file. That means placing a suitable
+% \verb:\special: command in the .dvi file. Unfortunately,
+% ``suitable'' depends on which .dvi-to-postscript program you use,
+% so we need an option for each such program. I have implemented
+% the option for dvips but was too lazy to figure out the
+% appropriate command for other .dvi-to-postscript
+% programs.\nextlinelabel[2]{line:dvips}
+% \begin{macrocode}
+\DeclareOption{dvips}{%
+ \def\TwoUp@special{%
+ \special{papersize=\the\paperwidth,\the\paperheight}}}
+% \end{macrocode}
+% If you need to use the \textsf{twoup} package with another
+% postscript driver, please let me know so I can incorporate more
+% options in future releases of \textsf{twoup}. While you wait for
+% that, use the \texttt{nospecial} option to suppress the
+% \verb:\special:.
+% \begin{macrocode}
+\DeclareOption{nospecial}{%
+ \def\TwoUp@special{\relax}}
+% \end{macrocode}
+% \end{macro}
+%
+% \subsection{Execution of Options}
+% Default to dvips leaving space for headers and footer as the class
+% sees fit.
+% \begin{macrocode}
+\ExecuteOptions{dvips}
+\ProcessOptions
+% \end{macrocode}
+%
+% \subsection{Main Code}
+% \subsubsection{Paper Size and psnup Advise}
+% \begin{macro}{\TwoUp@info}
+% Before re-calculating the paper size, we must record part of the
+% psnup advise. If a paper size option did that already, all is
+% fine. Otherwise we must be printing on the default paper size
+% which we must then determine. We will try to recognize the most
+% common default paper sizes: a4, letter, and legal. Since this is
+% the default paper size, we may assume that the printer knows how
+% to handle it. We therefore suppress the advise on editing the
+% final postscript file by \emph{not} defining \verb:\TwoUp@paper:.
+% \begin{macrocode}
+\ifx\TwoUp@info\undefined
+ \setlength{\@tempdima}{8.5in}
+ \ifdim\paperwidth=\@tempdima
+ \setlength{\@tempdima}{11in}
+ \ifdim\paperheight=\@tempdima
+ \def\TwoUp@info{-pletter -W5.5in -H8.5in}
+ \fi
+ \setlength{\@tempdima}{14in}
+ \ifdim\paperheight=\@tempdima
+ \def\TwoUp@info{-plegal -W7in -H8.5in}
+ \fi
+ \fi
+ \setlength{\@tempdima}{210mm}
+ \ifdim\paperwidth=\@tempdima
+ \setlength{\@tempdima}{297mm}
+ \ifdim\paperheight=\@tempdima
+ \def\TwoUp@info{-pa4 -Pa5}
+ \fi
+ \fi
+\fi
+% \end{macrocode}
+% If \verb:\TwoUp@info: is still undefined, we give up and use the
+% \verb:-w: and \verb:-h: options to psnup.\footnote{We could of
+% course have used the \texttt{-w} and \texttt{-h} options also for
+% a4, letter, and legal sized paper, but the psnup command line
+% looks a lot prettier with a \texttt{-pa4}, \texttt{-pletter}, or
+% \texttt{-plegal} option.}
+% \begin{macrocode}
+\ifx\TwoUp@info\undefined
+ \PackageWarningNoLine{twoup}{Unknown paper size.
+ You may want to use a \MessageBreak
+ paper size option like letterpaper}
+% \end{macrocode}
+% \TeX\ displays \verb:\the\paperwidth: as however many \emph{pt},
+% by which \TeX\ means traditional points; one inch is $72.27$\,pt.
+% However, psnup expects the paper width as so-and-so many
+% \emph{pt}, by which psnup means postscript points, the unit \TeX\
+% calls \emph{bp}, or big points; one inch is $72$\,bp. To overcome
+% this confusion, we must multiply by $\frac{72}{72.27}$ or
+% $0.99627$.
+% \begin{macrocode}
+ \setlength{\@tempdima}{0.99627\paperwidth}
+% \end{macrocode}
+% The \verb:\@settopoint: command rounds (down) to an integer.
+% Rounding causes the psnup command line to be slightly wrong but
+% less ugly.
+% \begin{macrocode}
+ \@settopoint\@tempdima
+% \end{macrocode}
+% Then record the information in \verb:\TwoUp@info:. The psnup
+% syntax for the output paper size is \verb:-w:\meta{width}
+% \verb:-h:\meta{height}.
+% \begin{macrocode}
+ \edef\TwoUp@info{-w\the\@tempdima}
+% \end{macrocode}
+% Record the paper height in the same manner.
+% \begin{macrocode}
+ \setlength{\@tempdima}{0.99627\paperheight}
+ \@settopoint\@tempdima
+ \edef\TwoUp@info{\TwoUp@info\space -h\the\@tempdima}
+% \end{macrocode}
+% Then add the input paper size to the list of psnup options. The
+% syntax for the input paper size is \verb:-W:\meta{width}
+% \verb:-H:\meta{height}. As before, we must correct for the
+% confusion between traditional and postscript points.
+% \begin{macrocode}
+ \setlength{\@tempdima}{0.5\paperheight}
+ \setlength{\@tempdima}{0.99627\@tempdima}
+ \@settopoint\@tempdima
+ \edef\TwoUp@info{\TwoUp@info\space -W\the\@tempdima}
+ \setlength{\@tempdima}{0.99627\paperwidth}
+ \@settopoint\@tempdima
+ \edef\TwoUp@info{\TwoUp@info\space -H\the\@tempdima}
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+% The advise on psnup options is ready; now we must decide whether
+% to use it. But first change the paper size: swap the width and
+% the height; then divide the new width by two.
+% \begin{macrocode}
+\setlength{\@tempdima}{\paperwidth}
+\setlength{\paperwidth}{0.5\paperheight}
+\setlength{\paperheight}{\@tempdima}
+% \end{macrocode}
+% If either the \textsf{2up} or \textsf{booklet} package is loaded,
+% ignore the psnup advise and issue suitable \verb:\source: and
+% \verb:\target: commands---both \textsf{2up} and \textsf{booklet}
+% define \verb:\source: and \verb:\target:.
+% \begin{macrocode}
+\@ifpackageloaded{2up}{%
+ \source{\magstep0}{\paperwidth}{\paperheight}%
+ \target{\magstep0}{2\paperwidth}{\paperheight}%
+}{%
+\@ifpackageloaded{booklet}{%
+ \source{\magstep0}{\paperwidth}{\paperheight}%
+ \target{\magstep0}{2\paperwidth}{\paperheight}%
+}{%
+% \end{macrocode}
+% Otherwise we are going the postscript route. Record the new
+% smaller paper size in the postscript file by placing a suitable
+% \verb:\special: command in the .dvi file.
+% \begin{macrocode}
+ \TwoUp@special
+% \end{macrocode}
+% Then have the psnup advise presented at the end of the \LaTeX\
+% run. Using \verb:\PackageInfo: would have been natural, but I want
+% the advise to appear on the screen (as well as in the .log file);
+% also the psnup command line is rather long, so we need \emph{ad
+% hoc} formatting.
+% \begin{macrocode}
+ \AtEndDocument{\typeout{^^J%
+ Package twoup Info: Use psnup with these options:^^J%
+ psnup \TwoUp@info\space -2 \jobname.ps twoup.ps^^J}}
+% \end{macrocode}
+% If we had an explicit paper size option (indicating that we are to
+% print on a paper size other than the default), \verb:\TwoUp@paper:
+% is defined and we can give advise on editing the postscript file.
+% \begin{macrocode}
+ \ifx\TwoUp@paper\undefined\else
+ \AtEndDocument{\typeout{^^J%
+ Package twoup Info: You may have to add these
+ three lines to your .ps file:^^J%
+ \@percentchar\@percentchar BeginPaperSize: \TwoUp@paper^^J%
+ \TwoUp@paper^^J%
+ \@percentchar\@percentchar EndPaperSize^^J}}
+ \fi%
+}}%
+% \end{macrocode}
+%
+% \subsubsection{Text Width and Horizontal Margins}
+% The standard \LaTeX\ classes~\cite{ltclass} ensure that the line
+% length is not too large for comfortable reading. For two-up
+% printing on \texttt{letterpaper}, \texttt{a4paper}, or smaller,
+% that is a non-issue. However, \texttt{legalpaper} does leave room
+% for oversized lines.\footnote{Up to 25\% ``too large.''} If I
+% leave the line length ``small,'' the layout of the two-up printed
+% page looks odd. I therefore allow the oversized lines. The user
+% should consider using \texttt{twocolumn} mode or---better---the
+% \textsf{multicol} package.
+%
+% I think that a total horizontal margin of one inch looks
+% fine.\footnote{Fine enough to just leave room (in \texttt{oneside}
+% mode) for the numbers added by the \textsf{lineno} package.} The
+% \verb:\textwidth: is then what is left of the \verb:\paperwidth:.
+% \begin{macrocode}
+\setlength{\@tempdima}{1in}
+\setlength{\textwidth}{\paperwidth}
+\addtolength{\textwidth}{-\@tempdima}
+% \end{macrocode}
+% If we are printing in \texttt{twoside} mode, the inner margin
+% should be larger than the outer margin. A ratio of about $1:2$
+% looks fine. The outer margin is then what is left of the total
+% horizontal margin.
+% \begin{macrocode}
+\if@twoside
+ \setlength{\evensidemargin}{0.33\@tempdima}
+ \setlength{\oddsidemargin}{\@tempdima}
+ \addtolength{\oddsidemargin}{-\evensidemargin}
+\else
+% \end{macrocode}
+% In \texttt{oneside} mode, simply split the margins even.
+% \begin{macrocode}
+ \setlength{\oddsidemargin}{0.5\@tempdima}
+ \setlength{\evensidemargin}{\oddsidemargin}
+\fi
+% \end{macrocode}
+%
+% So far we have ignored that the ``real'' left margin is
+% \verb:1 inch:${}+{}$\verb:\hoffset:${}+{}$\verb:\oddsidemargin:
+% (or \verb:\evensidemargin:). We must subtract that inch.
+% \begin{macrocode}
+\addtolength{\oddsidemargin}{-1in}
+\addtolength{\evensidemargin}{-1in}
+% \end{macrocode}
+%
+% \subsubsection{Text Height and Vertical Margins}
+% A top margin of half an inch looks good to me. As a first
+% approximation for the text height, simply subtract all the header
+% and footer stuff from the paper height. (Subtract
+% \verb:\topmargin: twice for the sake of the bottom margin.)
+% \begin{macrocode}
+\setlength{\topmargin}{0.5in}
+\setlength{\textheight}{\paperheight}
+\addtolength{\textheight}{-2\topmargin}
+\addtolength{\textheight}{-\headheight}
+\addtolength{\textheight}{-\headsep}
+\addtolength{\textheight}{-\footskip}
+% \end{macrocode}
+%
+% The text height must then be corrected to fit an integer number of
+% lines. The first line has height \verb:\topskip: while all other
+% lines have height \verb:\baselineskip:. Thus subtract
+% \verb:\topskip: and divide by \verb:\baselineskip:.
+% \begin{macrocode}
+\addtolength{\textheight}{-\topskip}
+\divide\textheight\baselineskip
+% \end{macrocode}
+% The \verb:\divide: command performs integer division, so
+% \verb:\textheight: is now \meta{number of lines}\,sp. Store the
+% result in a counter to get a \emph{bona fide} number.
+% \begin{macrocode}
+\@tempcnta\textheight
+% \end{macrocode}
+% Now we can calculate the text height: the correct number of
+% \verb:\baselineskip:s plus a \verb:\topskip: for the first line.
+% \begin{macrocode}
+\setlength{\textheight}{\@tempcnta\baselineskip}
+\addtolength{\textheight}{\topskip}
+% \end{macrocode}
+%
+% Again, the ``real'' top margin is
+% \verb:1 inch:${}+{}$\verb:\voffset:${}+{}$\verb:\topmargin:,
+% so subtract one inch from \verb:\topmargin:.
+% \begin{macrocode}
+\addtolength{\topmargin}{-1in}
+% \end{macrocode}
+%
+% \begin{macro}{\cleartolastpage}
+% The \verb:\cleartolastpage: command clears the page, checks for a
+% star, prepares to issue a suitable \verb:\thispagestyle: command,
+% and passes control to \verb:\cleartolastp@ge:.
+% \begin{macrocode}
+\newcommand{\cleartolastpage}{%
+ \clearpage
+ \@ifstar
+ {\def\TwoUp@blankpagestyle{\thispagestyle{empty}}\cleartolastp@ge}
+ {\let\TwoUp@blankpagestyle\relax\cleartolastp@ge}}
+% \end{macrocode}
+% The \verb:\cleartolastp@ge: command stores the first optional
+% argument, \meta{div}, in the temporary counter \verb:\@tempcnta:
+% with a default that depends on the \verb:twoside: class option.
+% \begin{macrocode}
+\if@twoside
+ \newcommand{\cleartolastp@ge}[1][4]{%
+ \@tempcnta#1\relax
+ \cleartol@stp@ge}%
+\else
+ \newcommand{\cleartolastp@ge}[1][2]{%
+ \@tempcnta#1\relax
+ \cleartol@stp@ge}%
+\fi
+% \end{macrocode}
+% The \verb:\cleartol@stp@ge: command does the real work: store a
+% copy of the page number, \verb:\c@page:, in a temporary counter,
+% divide and multiply by \meta{div} to round down to a multiple of
+% \meta{div}, and add \meta{rem}.
+% \begin{macrocode}
+\newcommand{\cleartol@stp@ge}[1][0]{%
+ \@tempcntb\c@page
+ \divide\@tempcntb\@tempcnta
+ \multiply\@tempcntb\@tempcnta
+ \advance\@tempcntb#1\relax
+% \end{macrocode}
+% Now \verb:\@tempcntb: leaves remainder \meta{rem} when divided by
+% \meta{div}, but it may still be smaller than the page number. If
+% so, add \meta{div} to get the next number that leaves the same
+% remainder.
+% \begin{macrocode}
+ \ifnum\@tempcntb<\c@page
+ \advance\@tempcntb\@tempcnta
+ \fi
+% \end{macrocode}
+% Now \verb:\@\tempcntb: is the page number we want to reach.
+% \begin{macrocode}
+ \loop\ifnum\c@page<\@tempcntb
+ \hbox{}\TwoUp@blankpagestyle\newpage
+ \repeat
+}
+%</package>
+% \end{macrocode}
+% \end{macro}
+% \Finale
diff --git a/Master/texmf-dist/source/latex/twoup/twoup.ins b/Master/texmf-dist/source/latex/twoup/twoup.ins
new file mode 100644
index 00000000000..71632cea6ea
--- /dev/null
+++ b/Master/texmf-dist/source/latex/twoup/twoup.ins
@@ -0,0 +1,33 @@
+% The twoup package, version 1.2.
+\input docstrip.tex
+\preamble
+
+
+ This is the twoup package
+ Copyright 2005 by Mogens Lemvig Hansen,
+ mlhansen@uniserve.com
+
+Run twoup.dtx through LaTeX and read the documentation in twoup.dvi
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either version 1.3
+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 1.3 or later is part of all distributions of LaTeX
+version 2003/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+This Current Maintainer of this work is Mogens Lemvig Hansen.
+
+This work consists of the files twoup.dtx and twoup.ins
+and the derived file twoup.sty.
+
+\endpreamble
+% I think that \path:twoup.sty: should go into the directory
+% \path:tex/latex/misc:; however, \textsc{DocStrip} will not heed my advise
+% unless your configuration file, \path:docstrip.cfg:, allows it to.
+\usedir{tex/latex/misc}
+\generate{\file{twoup.sty}{\from{twoup.dtx}{package}}}
+\endbatchfile