changebar

git-svn-id: svn://tug.org/texlive/trunk@747 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 1002 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/changebar/changebar.sty b/Master/texmf-dist/tex/latex/changebar/changebar.sty
new file mode 100644
index 00000000000..d7a6295adf8
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/changebar/changebar.sty
@@ -0,0 +1,1002 @@
+%%
+%% This is file `changebar.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% changebar.dtx  (with options: `package')
+%% This is a generated file.
+%% 
+%% Copyright (C) 1994-2005 Johannes Braams,  All rights reserved.
+%% 
+%% This file was generated from file(s) of the changebar package.
+%% --------------------------------------------------------------
+%% 
+%% It 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".
+%% 
+%% The Current Maintainer of this work is Johannes Braams.
+%% 
+%% This file may only be distributed together with a copy of the
+%% changebar package. You may however distribute thechangebar package
+%% without such generated files.
+%% 
+%% The list of all files belonging to the changebar package is
+%% given in the file `manifest.txt.
+%% 
+%% 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.
+%% Copyright 1994-2005 (C) Johannes Braams.  All rights reserved.
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{changebar}
+           [2005/09/18 v3.5c Indicate changes with marginal bars]
+\def\cb@maxpoint{80}
+\def\cb@minpoint{1}
+\def\cb@nil{0}
+\newcount\cb@nextpoint
+\cb@nextpoint=\cb@minpoint
+\newcount\cb@topleft
+\newcount\cb@topright
+\newcount\cb@botleft
+\newcount\cb@botright
+\newcount\cb@cnta
+\newcount\cb@cntb
+\newdimen\cb@dima
+\newdimen\cb@curbarwd
+\newcount\cb@page
+\newcount\cb@pagecount
+\cb@pagecount=0
+\def\cb@barsplace{0}
+\newif\if@cb@trace
+\newif\if@cb@firstcolumn
+\def\cb@pdfxy#1#2#3#4#5{}
+\newdimen\cb@odd@left
+\newdimen\cb@odd@right
+\newdimen\cb@even@left
+\newdimen\cb@even@right
+\def\cb@positions{%
+  \global\cb@odd@left=\hoffset
+  \global\cb@even@left\cb@odd@left
+  \global\advance\cb@odd@left by \oddsidemargin
+  \global\cb@odd@right\cb@odd@left
+  \global\advance\cb@odd@right by \textwidth
+  \global\advance\cb@odd@right by \changebarsep
+  \global\advance\cb@odd@right by 0.5\changebarwidth
+  \global\advance\cb@odd@left by -\changebarsep
+  \global\advance\cb@odd@left by -0.5\changebarwidth
+  \if@twoside
+    \global\advance\cb@even@left by \evensidemargin
+    \global\cb@even@right\cb@even@left
+    \global\advance\cb@even@left by -\changebarsep
+    \global\advance\cb@even@left by -0.5\changebarwidth
+    \global\advance\cb@even@right by \textwidth
+    \global\advance\cb@even@right by \changebarsep
+    \global\advance\cb@even@right by 0.5\changebarwidth
+  \else
+    \global\let\cb@even@left\cb@odd@left
+    \global\let\cb@even@right\cb@odd@right
+  \fi
+  }
+{\catcode`\p=12\catcode`\t=12 \gdef\cb@removedim#1pt{#1}}
+\DeclareOption{DVItoLN03}{\global\chardef\cb@driver@setup=0\relax}
+\DeclareOption{dvitoln03}{\global\chardef\cb@driver@setup=0\relax}
+\DeclareOption{DVItoPS}{\global\chardef\cb@driver@setup=1\relax}
+\DeclareOption{dvitops}{\global\chardef\cb@driver@setup=1\relax}
+\DeclareOption{DVIps}{\global\chardef\cb@driver@setup=2\relax}
+\DeclareOption{dvips}{\global\chardef\cb@driver@setup=2\relax}
+\DeclareOption{emTeX}{\global\chardef\cb@driver@setup=3\relax}
+\DeclareOption{emtex}{\global\chardef\cb@driver@setup=3\relax}
+\DeclareOption{textures}{\global\chardef\cb@driver@setup=4\relax}
+\DeclareOption{Textures}{\global\chardef\cb@driver@setup=4\relax}
+\DeclareOption{VTeX}{\global\chardef\cb@driver@setup=5\relax}
+\DeclareOption{vtex}{\global\chardef\cb@driver@setup=5\relax}
+\DeclareOption{PDFTeX}{\cb@pdftexcheck}
+\DeclareOption{pdftex}{\cb@pdftexcheck}
+\def\cb@pdftexcheck{%
+  \ifx\pdfsavepos\@undefined\cb@pdftexerror
+  \else\ifx\pdfoutput\@undefined\cb@pdftexerror
+  \else\ifnum\pdfoutput>0
+    \global\chardef\cb@driver@setup=6\relax
+    \ifx\cb@writexy\@undefined
+      \newwrite\cb@writexy
+      \newread\cb@readxy
+      \immediate\openout\cb@writexy=\jobname.cb2\relax
+    \fi
+    \gdef\cb@pdfxy##1##2##3##4##5{%
+      \immediate\write\cb@writexy{##1.##2p##3,##4,##5}%
+      \expandafter\gdef\csname cb@##1.##2\endcsname{##3,##4,##5}}
+  \else\cb@pdftexerror\fi\fi\fi}
+\def\cb@pdftexerror{\PackageError
+      {changebar}%
+      {PDFTeX option cannot be used}%
+      {You are using a LaTeX run which does not generate PDF\MessageBreak
+        or you are using a very old version of PDFTeX}}
+\DeclareOption{outerbars}{\def\cb@barsplace{1}}
+\DeclareOption{innerbars}{\def\cb@barsplace{0}}
+\DeclareOption{leftbars}{\def\cb@barsplace{2}}
+\DeclareOption{rightbars}{\def\cb@barsplace{3}}
+\DeclareOption{traceon}{\@cb@tracetrue}
+\DeclareOption{traceoff}{\@cb@tracefalse}
+\DeclareOption{tracestacks}{%
+  \let\cb@trace@stack\cb@@show@stack
+  \def\cb@trace@push#1{\cb@trace{%
+      Pushed point \the\cb@topleft\space on \noexpand#1: #1}}%
+  \def\cb@trace@pop#1{\cb@trace{%
+      Popped point \the\cb@topleft\space from \noexpand#1: #1}}%
+  }
+\DeclareOption{grey}{%
+  \def\cb@ps@color{\thechangebargrey\space 100 div setgray}}
+\DeclareOption{color}{%
+  \def\cb@ps@color{\expandafter\c@lor@to@ps\cb@current@color\@@}%
+  \def\cb@color@pkg{color}}
+\DeclareOption{xcolor}{%
+  \def\cb@ps@color{\expandafter\c@lor@to@ps\cb@current@color\@@}%
+  \def\cb@color@pkg{xcolor}}
+\DeclareOption*{\OptionNotUsed\PackageError
+      {changebar}%
+      {Unrecognised option `\CurrentOption'\MessageBreak
+        known options are dvitoln03, dvitops, dvips,\MessageBreak
+        emtex, textures, pdftex and vtex,
+        grey, color, xcolor,\MessageBreak
+        outerbars, innerbars, leftbars and rightbars}}
+\ifx\VTeXversion\@undefined
+  \ifx\pdfoutput\@undefined
+    \ExecuteOptions{innerbars,traceoff,dvips,grey}
+  \else
+    \ifnum\pdfoutput>0
+      \ExecuteOptions{innerbars,traceoff,pdftex,grey}
+    \else
+      \ExecuteOptions{innerbars,traceoff,dvips,grey}
+    \fi
+  \fi
+\else
+  \ExecuteOptions{innerbars,traceoff,vtex,grey}
+\fi
+\InputIfFileExists{changebar.cfg}{}{}
+\def\cb@@show@stack#1{%
+  \cb@trace{%
+    stack status at #1:\MessageBreak
+    current stack: \cb@currentstack\MessageBreak
+    \@spaces end stack: \cb@endstack\MessageBreak
+    \space\space begin stack: \cb@beginstack\MessageBreak
+    history stack: \cb@historystack
+    }}
+\let\cb@trace@stack\@gobble
+\let\cb@trace@push\@gobble
+\let\cb@trace@pop\@gobble
+\ProcessOptions\relax
+\ifx\pdfsavepos\@undefined
+\else
+  \ifx\pdfoutput\@undefined
+  \else
+    \ifnum\pdfoutput>0
+      \global\chardef\cb@driver@setup=6\relax
+    \fi
+  \fi
+\fi
+\newcommand{\cb@trace}[1]{%
+  \if@cb@trace
+    \GenericWarning
+      {(changebar)\@spaces\@spaces}%
+      {Package changebar: #1\@gobble}%
+  \fi
+  }
+\if@compatibility
+  \def\driver#1{%
+    \bgroup\edef\next{\def\noexpand\tempa{#1}}%
+      \uppercase\expandafter{\next}%
+      \def\LN{DVITOLN03}%
+      \def\DVItoPS{DVITOPS}%
+      \def\DVIPS{DVIPS}%
+      \def\emTeX{EMTEX}%
+      \def\Textures{TEXTURES}%
+      \def\VTeX{VTEX}%
+      \def\pdfTeX{PDFTEX}
+      \global\chardef\cb@driver@setup=0\relax
+      \ifx\tempa\LN       \global\chardef\cb@driver@setup=0\fi
+      \ifx\tempa\DVItoPS  \global\chardef\cb@driver@setup=1\fi
+      \ifx\tempa\DVIPS    \global\chardef\cb@driver@setup=2\fi
+      \ifx\tempa\emTeX    \global\chardef\cb@driver@setup=3\fi
+      \ifx\tempa\Textures \global\chardef\cb@driver@setup=4\fi
+      \ifx\tempa\VTeX     \global\chardef\cb@driver@setup=5\fi
+      \ifx\tempa\pdfTeX   \cb@pdftexcheck\fi
+    \egroup}
+  {\def\do{\noexpand\do\noexpand}
+    \xdef\@preamblecmds{\@preamblecmds \do\driver}
+    }
+\fi
+\def\cb@trace@defpoint#1#2{%
+  \cb@trace{%
+    defining point \the#1 at position \the#2
+    \MessageBreak
+    cb@pagecount: \the\cb@pagecount; page \thepage}}
+\def\cb@trace@connect#1#2#3{%
+  \cb@trace{%
+    connecting points \the#1 and \the#2; barwidth: \the#3
+    \MessageBreak
+    cb@pagecount: \the\cb@pagecount; page \thepage}}
+\def\cb@setup@specials{%
+\ifcase\cb@driver@setup
+  \def\cb@defpoint##1##2{%
+    \special{ln03:defpoint \the##1(\the##2,)}%
+    \cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{%
+    \special{ln03:connect \the##1\space\space \the##2\space \the##3}%
+    \cb@trace@connect##1##2##3}
+  \def\cb@resetpoints{%
+    \special{ln03:resetpoints \cb@minpoint \space\cb@maxpoint}}
+\or
+  \def\cb@defpoint##1##2{%
+    \special{dvitops: inline
+                \expandafter\cb@removedim\the##2\space 6.5536 mul\space
+                /CBarX\the##1\space exch def currentpoint exch pop
+                /CBarY\the##1\space exch def}%
+    \cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{%
+    \special{dvitops: inline
+                gsave \cb@ps@color\space
+                \expandafter\cb@removedim\the##3\space 6.5536 mul\space
+                CBarX\the##1\space\space CBarY\the##1\space\space moveto
+                CBarX\the##2\space\space CBarY\the##2\space\space lineto
+                stroke grestore}%
+    \cb@trace@connect##1##2##3}
+  \let\cb@resetpoints\relax
+\or
+  \def\cb@defpoint##1##2{%
+     \special{ps:
+                \expandafter\cb@removedim\the##2\space
+                Resolution\space mul\space 72.27\space div\space
+                /CBarX\the##1\space exch def currentpoint exch pop
+                /CBarY\the##1\space exch def}%
+    \cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{%
+    \special{ps:
+                gsave \cb@ps@color\space
+                \expandafter\cb@removedim\the##3\space
+                Resolution\space mul\space 72.27\space div\space
+                setlinewidth
+                CBarX\the##1\space\space CBarY\the##1\space\space moveto
+                CBarX\the##2\space\space CBarY\the##2\space\space lineto
+                stroke grestore}%
+    \cb@trace@connect##1##2##3}
+  \let\cb@resetpoints\relax
+\or
+  \def\cb@defpoint##1##2{%
+    \special{em:point \the##1,\the##2}%
+    \cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{%
+    \special{em:line \the##1,\the##2,\the##3}%
+    \cb@trace@connect##1##2##3}
+  \let\cb@resetpoints\relax
+\or
+  \def\cb@defpoint##1##2{%
+    \special{postscript 0 0 transform}% leave [x,y] on the stack
+    \special{rawpostscript
+                \expandafter\cb@removedim\the##2\space
+                /CBarX\the##1\space exch def
+                itransform exch pop
+                /CBarY\the##1\space exch def}%
+    \if@cb@trace\cb@trace@defpoint##1##2\fi}
+  \def\cb@connect##1##2##3{%
+    \special{rawpostscript
+                gsave 1 setlinecap \cb@ps@color\space
+                \expandafter\cb@removedim\the##3\space
+                setlinewidth
+                CBarX\the##1\space\space CBarY\the##1\space\space moveto
+                CBarX\the##2\space\space CBarY\the##2\space\space lineto
+                stroke grestore}%
+    \if@cb@trace\cb@trace@connect##1##2##3\fi}
+  \let\cb@resetpoints\relax
+\or
+  \def\cb@defpoint##1##2{%
+    \special{pS:
+                \expandafter\cb@removedim\the##2\space
+                Resolution\space mul\space 72.27\space div\space
+                /CBarX\the##1\space exch def currentpoint exch pop
+                /CBarY\the##1\space exch def}%
+    \cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{%
+    \special{pS:
+                gsave \cb@ps@color\space
+                \expandafter\cb@removedim\the##3\space
+                Resolution\space mul\space 72.27\space div\space
+                setlinewidth
+                CBarX\the##1\space\space CBarY\the##1\space\space moveto
+                CBarX\the##2\space\space CBarY\the##2\space\space lineto
+                stroke grestore}%
+    \cb@trace@connect##1##2##3}
+  \let\cb@resetpoints\relax
+\or
+  \immediate\closeout\cb@writexy
+  \immediate\openin\cb@readxy=\jobname.cb2\relax
+  \def\cb@pdfpoints{}
+  \def\cb@pdfpagenr{0}
+  \def\cb@findpdfpoint##1##2{%
+      \edef\cb@temp
+        {\noexpand\cb@@findpdfpoint{\the##1}{\the##2}}%
+      \cb@temp
+  }
+  \def\cb@@findpdfpoint##1##2{%
+    \ifnum##2<\cb@pdfpagenr\relax\else
+      \cb@pdfreadxy{##2}%
+    \fi
+    \let\cb@pdfx\relax
+    \ifx\cb@pdfpoints\@empty\else
+      \ifnum##2<0\relax
+      \else
+        \edef\cb@temp{\noexpand\cb@pdffind{##1}{##2}\cb@pdfpoints\relax{}}%
+        \cb@temp
+      \fi
+    \fi
+  }
+  \def\cb@pdffind##1##2##3.##4p##5,##6,##7pt##8\relax##9{%
+    \def\cb@next{\cb@pdffind{##1}{##2}##8\relax{##9##3.##4p##5,##6,##7pt}}%
+    \ifnum ##1=##3
+      \ifnum ##2=##4
+        \def\cb@pdfx{##5sp}%
+        \def\cb@pdfy{##6sp}%
+        \def\cb@pdfz{##7pt}%
+        \let\cb@next\relax
+        \gdef\cb@pdfpoints{##9##8}%
+      \fi
+    \fi
+    \ifx\relax##8\relax
+      \let\cb@next\relax
+    \fi
+    \cb@next
+  }%
+  \def\cb@pdfreadxy##1{%
+    \let\cb@next\relax
+    \ifeof\cb@readxy
+      \global\let\cb@pdfpagenr\cb@maxpoint
+    \else
+      {\endlinechar=-1\read\cb@readxy to\cb@temp
+        \ifx\cb@temp\@empty\else
+          \expandafter\cb@pdfparsexy\cb@temp
+          \ifnum\cb@pdfpg<0\else
+            \xdef\cb@pdfpoints{\cb@pdfpoints\cb@temp}%
+            \cb@trace{PDFpoints=\cb@pdfpoints}%
+            \global\let\cb@pdfpagenr\cb@pdfpg
+          \fi
+          \ifnum\cb@pdfpg>##1\else
+            \global\def\cb@next{\cb@pdfreadxy{##1}}%
+          \fi
+        \fi
+      }%
+    \fi
+    \cb@next
+  }%
+  \def\cb@pdfparsexy##1.##2p##3,##4,##5pt{%
+    \def\cb@pdfpg{##2}}%
+  \def\cb@defpoint##1##2{%
+    \if@filesw
+      \begingroup
+        \edef\point{{\the##1}{\the\cb@pagecount}}%
+        \let\the=\z@
+        \pdfsavepos
+        \edef\cb@temp{\write\@auxout
+          {\string\cb@pdfxy\point
+            {\the\pdflastxpos}{\the\pdflastypos}{\the##2}}}%
+        \cb@temp
+      \endgroup
+    \fi
+    \cb@trace@defpoint##1##2%
+  }%
+  \def\cb@cvtpct##1{%
+    \ifnum##1<0 0\else
+    \ifnum##1>99 1\else
+    \ifnum##1<10 0.0\the##1\else
+    0.\the##1\fi\fi\fi}
+  \def\cb@connect##1##2##3{%
+    \cb@findpdfpoint{##1}\cb@pagecount
+    \ifx\cb@pdfx\relax\cb@rerun
+    \else
+      \let\cb@pdftopy\cb@pdfy
+      \cb@findpdfpoint{##2}\cb@pagecount
+      \ifx\cb@pdfx\relax\cb@rerun
+      \else
+         \begingroup
+           \cb@dima=\cb@pdfz
+           \advance\cb@dima by-\cb@pdfx
+           \advance\cb@dima by1in
+           \cb@dima=0.996264009963\cb@dima\relax
+           \ifx\cb@current@color\@undefined
+             \def\cb@temp{\cb@cvtpct\c@changebargrey}%
+             \pdfliteral{q \cb@temp\space g \cb@temp\space G}%
+           \else
+             \pdfliteral{q \cb@current@color}%
+           \fi
+           \edef\cb@temp{\expandafter\cb@removedim\the\cb@dima\space}%
+           \cb@dima=\cb@pdftopy
+           \advance\cb@dima-\cb@pdfy\relax
+           \cb@dima=0.996264009963\cb@dima\relax
+           ##3=0.996264009963##3\relax
+           \pdfliteral direct{\expandafter\cb@removedim\the##3 w
+             \cb@temp 0 m
+             \cb@temp \expandafter\cb@removedim\the\cb@dima\space l S Q}%
+        \endgroup
+        \cb@cntb=##1\relax
+        \ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
+        \cb@findpdfpoint\cb@cntb\cb@pagecount
+        \cb@cntb=##2\relax
+        \ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
+        \cb@findpdfpoint\cb@cntb\cb@pagecount
+      \fi
+    \fi
+    \cb@trace@connect##1##2##3%
+  }%
+  \gdef\cb@checkPdfxy##1##2##3##4##5{%
+    \cb@@findpdfpoint{##1}{##2}%
+    \ifnum##3=\cb@pdfx\relax
+      \ifnum##4=\cb@pdfy\relax
+        \ifdim##5=\cb@pdfz\relax
+        \else
+        \cb@error
+        \fi
+      \else
+        \cb@error
+      \fi
+    \else
+      \cb@error
+    \fi
+  }
+  \def\cb@maxpoint{9999999}
+  \let\cb@resetpoints\relax
+\or
+\else
+  \PackageWarning{Changebar}{changebars not supported in unknown setup}
+  \def\cb@defpoint##1##2{\cb@trace@defpoint##1##2}
+  \def\cb@connect##1##2##3{\cb@trace@connect##1##2##3}
+  \let\cb@resetpoints\relax
+\fi
+\global\let\cb@setup@specials\relax}
+\newcommand*{\cbstart}{\@ifnextchar [%]
+                        {\cb@start}%
+                        {\cb@start[\changebarwidth]}}
+\newcommand*{\cbend}{\cb@end}
+\newcommand*{\cbdelete}{\@ifnextchar [%]
+  {\cb@delete}%
+  {\cb@delete[\deletebarwidth]}}
+\def\cb@delete[#1]{\vbox to \z@{\vss\cb@start[#1]\vskip #1\cb@end}}
+\newenvironment{changebar}%
+               {\@ifnextchar [{\cb@start}%
+                              {\cb@start[\changebarwidth]}}%
+               {\cb@end}
+\newcommand*{\nochangebars}{%
+  \def\cb@start[##1]{}%
+  \def\cb@delete[##1]{}%
+  \let\cb@end\relax}
+\newlength{\changebarwidth}
+\setlength{\changebarwidth}{2pt}
+\newlength{\deletebarwidth}
+\setlength{\deletebarwidth}{4pt}
+\newlength{\changebarsep}
+\setlength{\changebarsep}{30pt}
+\newcounter{changebargrey}
+\setcounter{changebargrey}{65}
+\@ifpackagewith{changebar}{\csname cb@color@pkg\endcsname}{%
+    \RequirePackage{\cb@color@pkg}%
+  \DeclareRobustCommand\cbcolor{%
+    \@ifnextchar[\@undeclaredcbcolor\@declaredcbcolor}
+  \def\@undeclaredcbcolor[#1]#2{%
+    \begingroup
+      \color[#1]{#2}%
+      \global\let\cb@current@color\current@color
+    \endgroup
+    \ignorespaces
+    }
+  \def\@declaredcbcolor#1{%
+    \begingroup
+      \color{#1}%
+      \global\let\cb@current@color\current@color
+    \endgroup
+    \ignorespaces}%
+  }{%
+  \def\cbcolor{\@ifnextchar[%]
+    \@@cbcolor\@cbcolor}%
+  \def\@@cbcolor[#1]#2{\cb@colwarn\def\@@cbcolor[##1]##2{}}%
+  \def\@cbcolor#1{\cb@colwarn\def\@cbcolor##1{}}%
+  \def\cb@colwarn{\PackageWarning{Changebar}%
+    {You didn't specify the option `color';\MessageBreak
+      your command \string\cbcolor\space will be ignored}}%
+  }
+\def\cb@start[#1]{%
+  \cb@topleft=\cb@nextpoint
+  \cb@curbarwd#1\relax
+  \cb@push\cb@currentstack
+  \cb@checkpage\z@
+  \cb@cnta\cb@pagecount
+  \cb@pagecount\cb@page\advance\cb@pagecount\m@ne
+  \ifvmode
+    \cb@setBeginPoints
+  \else
+    \vbox to \z@{%
+      \vskip -\ht\strutbox
+      \cb@setBeginPoints
+      \vskip \ht\strutbox}%
+  \fi
+  \cb@pagecount\cb@cnta
+  \cb@advancePoint}
+\def\cb@advancePoint{%
+  \global\advance\cb@nextpoint by 4\relax
+  \ifnum\cb@nextpoint>\cb@maxpoint
+    \global\cb@nextpoint=\cb@minpoint\relax
+  \fi}
+\def\cb@end{%
+  \cb@trace@stack{end of bar on page \the\c@page}%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+    \PackageWarning{Changebar}%
+      {Badly nested changebars; Expect erroneous results}%
+  \else
+    \cb@checkpage\thr@@
+    \cb@cnta\cb@pagecount
+    \cb@pagecount\cb@page\advance\cb@pagecount\m@ne
+    \ifvmode
+      \cb@setEndPoints
+    \else
+      \vadjust{\cb@setEndPoints}%
+    \fi
+    \cb@pagecount\cb@cnta
+  \fi
+  \ignorespaces}
+\def\cb@checkpage#1{%
+  \cb@cnta\cb@topleft\relax
+  \advance\cb@cnta by #1\relax
+  \cb@cntb\cb@page\relax
+  \cb@dima\cb@curbarwd\relax
+  \cb@pop\cb@historystack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \cb@FindPageNum
+    \ifnum\cb@topleft>\cb@maxpoint\else
+      \cb@cntb\cb@page
+    \fi
+    \@whilenum\cb@topleft>\cb@nil\do{%
+      \cb@push\cb@historystack
+      \cb@pop\cb@tempstack}%
+  \fi
+  \advance\cb@cnta by -#1\relax
+  \cb@topleft\cb@cnta\relax
+  \cb@page\cb@cntb\relax
+  \cb@curbarwd\cb@dima\relax
+  }
+\def\cb@FindPageNum{%
+  \ifnum\cb@topleft=\cb@cnta
+  \else
+    \cb@push\cb@tempstack
+    \cb@pop\cb@historystack
+    \ifnum\cb@topleft=\cb@nil
+      \cb@trace{Ran out of history stack, new changebar?}%
+      \cb@topleft\cb@maxpoint\advance\cb@topleft\@ne
+    \else
+      \expandafter\expandafter\expandafter\cb@FindPageNum
+    \fi
+  \fi
+  }%
+\def\cb@setBeginPoints{%
+  \cb@topright=\cb@topleft\advance\cb@topright by\@ne
+  \cb@cntb=\cb@pagecount
+  \divide\cb@cntb by\tw@
+  \ifodd\cb@cntb
+    \cb@defpoint\cb@topleft\cb@even@left
+    \cb@defpoint\cb@topright\cb@even@right
+  \else
+    \cb@defpoint\cb@topleft\cb@odd@left
+    \cb@defpoint\cb@topright\cb@odd@right
+  \fi
+  \cb@writeAux\cb@topleft
+  }
+\def\cb@setEndPoints{%
+  \cb@topright=\cb@topleft\advance\cb@topright by\@ne
+  \cb@botleft=\cb@topleft\advance\cb@botleft by\tw@
+  \cb@botright=\cb@topleft\advance\cb@botright by\thr@@
+   \cb@cntb=\cb@pagecount
+  \divide\cb@cntb by\tw@
+  \ifodd\cb@cntb
+    \cb@defpoint\cb@botleft\cb@even@left
+    \cb@defpoint\cb@botright\cb@even@right
+  \else
+    \cb@defpoint\cb@botleft\cb@odd@left
+    \cb@defpoint\cb@botright\cb@odd@right
+  \fi
+  \cb@writeAux\cb@botright
+  \edef\cb@leftbar{%
+    \noexpand\cb@connect{\cb@topleft}{\cb@botleft}{\cb@curbarwd}}%
+  \edef\cb@rightbar{%
+    \noexpand\cb@connect{\cb@topright}{\cb@botright}{\cb@curbarwd}}%
+  \if@twocolumn
+     \ifodd\cb@pagecount\cb@rightbar\else\cb@leftbar\fi
+  \else
+    \ifcase\cb@barsplace
+      \ifodd\cb@cntb
+        \cb@rightbar
+      \else
+        \if@twoside\cb@leftbar\else\cb@rightbar\fi
+      \fi
+    \or
+      \ifodd\cb@cntb
+        \cb@leftbar
+      \else
+        \if@twoside\cb@rightbar\else\cb@leftbar\fi
+      \fi
+    \or
+      \cb@leftbar
+    \or
+      \cb@rightbar
+    \fi
+  \fi
+  }%
+\def\cb@writeAux#1{%
+  \if@filesw
+    \begingroup
+      \edef\point{\the#1}%
+      \edef\level{\the\cb@curbarwd}%
+      \let\the=\z@
+      \edef\cb@temp{\write\@auxout
+        {\string\cb@barpoint{\point}{\the\cb@pagecount}{\level}}}%
+      \cb@temp
+    \endgroup
+  \fi}
+\newif\if@cb@pagejump
+\def\cb@pagejumplst{-1}
+\def\cb@nextpagejump{-1}
+\def\cb@pagejump#1{\xdef\cb@pagejumplst{\cb@pagejumplst,#1}}
+\def\cb@writepagejump#1{
+  \cb@cntb=\cb@pagecount
+  \advance\cb@cntb by#1\relax
+  \global\setbox\@leftcolumn\vbox to\@colht{%
+    \edef\cb@temp{\write\@auxout{\string\cb@pagejump{\the\cb@cntb}}}%
+    \cb@temp
+    \dimen@ \dp\@leftcolumn
+    \unvbox \@leftcolumn
+    \vskip -\dimen@
+  }%
+}
+\def\cb@poppagejump#1,#2\relax{%
+  \gdef\cb@nextpagejump{#1}%
+  \gdef\cb@pagejumplst{#2}}
+\def\cb@checkpagecount{%
+  \if@twocolumn
+    \if@firstcolumn
+      \ifodd\cb@pagecount\global\advance\cb@pagecount by\@ne\fi
+    \fi
+  \else
+    \ifodd\cb@pagecount\global\advance\cb@pagecount by\@ne\fi
+  \fi
+  \if@twoside
+    \cb@cntb=\cb@pagecount
+    \divide\cb@cntb by\tw@
+    \advance\cb@cntb by-\c@page
+    \ifodd\cb@cntb
+      \if@twocolumn
+        \if@firstcolumn
+          \@whilenum\cb@pagecount>\cb@nextpagejump\do{%
+            \expandafter\cb@poppagejump\cb@pagejumplst\relax}%
+          \ifnum\cb@pagecount=\cb@nextpagejump
+            \cb@trace{Page jump: \string\cb@pagecount=\the\cb@pagecount}
+            \global\advance\cb@pagecount by\tw@
+            \global\@cb@pagejumptrue
+          \else
+            \global\@cb@pagejumpfalse
+          \fi
+        \else
+          \if@cb@pagejump
+            \cb@writepagejump{-3}%
+          \fi
+        \fi
+      \fi
+    \else
+      \if@twocolumn
+        \if@firstcolumn
+          \global\advance\cb@pagecount by\tw@
+          \global\@cb@pagejumpfalse
+        \else
+          \if@cb@pagejump
+            \cb@trace{Page jump annulled, %
+                      \string\cb@pagecount=\the\cb@pagecount}
+          \else
+            \cb@writepagejump{-1}%
+            \global\advance\cb@pagecount by\tw@
+            \cb@rerun
+          \fi
+        \fi
+      \else
+        \global\advance\cb@pagecount by\tw@
+      \fi
+    \fi
+  \fi
+}
+\let\ltx@makecol\@makecol
+\def\cb@makecol{%
+  \if@twocolumn
+    \cb@trace{Twocolumn: \if@firstcolumn Left \else Right \fi column}%
+  \fi
+  \cb@trace@stack{before makecol, page \the\c@page,
+                  \string\cb@pagecount=\the\cb@pagecount}%
+  \let\cb@writeAux\@gobble
+  \cb@checkpagecount
+  \setbox\@cclv \vbox{%
+    \cb@resetpoints
+    \cb@startSpanBars
+    \unvbox\@cclv
+    \boxmaxdepth\maxdepth}%
+  \global\advance\cb@pagecount by\@ne
+  \cb@buildstack\cb@processActive
+  \ltx@makecol
+   \if@twocolumn
+     \global\setbox\@outputbox \vbox to\@colht {%
+       \if@firstcolumn\write\@auxout{\string\@cb@firstcolumntrue}%
+       \else\write\@auxout{\string\@cb@firstcolumnfalse}%
+       \fi
+       \dimen@ \dp\@outputbox
+       \unvbox \@outputbox
+       \vskip -\dimen@
+       }%
+   \fi
+  \cb@trace@stack{after makecol, page \the\c@page,
+                  \string\cb@pagecount=\the\cb@pagecount}%
+  }
+\let\@makecol\cb@makecol
+\let\ltx@vtryfc\@vtryfc
+\def\cb@vtryfc#1{%
+  \cb@trace{In vtryfc, page \the\c@page,
+                  \string\cb@pagecount=\the\cb@pagecount}%
+  \let\cb@writeAux\@gobble
+  \cb@checkpagecount
+  \ltx@vtryfc{#1}%
+  \if@twocolumn
+    \global\setbox\@outputbox \vbox to\@colht{%
+      \if@firstcolumn\write\@auxout{\string\@cb@firstcolumntrue}%
+      \else\write\@auxout{\string\@cb@firstcolumnfalse}%
+      \fi
+      \unvbox\@outputbox
+      \boxmaxdepth\maxdepth
+    }%
+  \fi
+  \global\advance\cb@pagecount by \@ne
+}
+\let\@vtryfc\cb@vtryfc
+\def\cb@processActive{%
+  \cb@pop\cb@endstack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \setbox\@cclv\vbox{%
+      \unvbox\@cclv
+      \boxmaxdepth\maxdepth
+      \advance\cb@pagecount by -1\relax
+      \cb@setEndPoints}%
+    \cb@push\cb@historystack
+    \cb@push\cb@beginstack
+    \expandafter\cb@processActive
+  \fi}
+\def\cb@startSpanBars{%
+  \cb@pop\cb@beginstack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \cb@setBeginPoints
+    \cb@trace@stack{after StartSpanBars, page \the\c@page}%
+    \expandafter\cb@startSpanBars
+  \fi
+  }
+\def\cb@buildstack{%
+  \cb@initstack\cb@endstack
+  \cb@pushNextActive}
+\def\cb@pushNextActive{%
+  \cb@pop\cb@historystack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \ifnum\cb@page>\cb@pagecount
+      \cb@push\cb@historystack
+    \else
+      \ifodd\cb@topleft
+        \cb@push\cb@endstack
+      \else
+        \cb@pop\cb@endstack
+      \fi
+      \expandafter\expandafter\expandafter\cb@pushNextActive
+    \fi
+  \fi}
+\def\cb@initstack#1{\xdef#1{}}
+\cb@initstack\cb@historystack
+\newwrite\cb@write
+\newread\cb@read
+\immediate\openout\cb@write=\jobname.cb\relax
+\cb@initstack\cb@endstack
+\cb@initstack\cb@beginstack
+\cb@initstack\cb@tempstack
+\cb@initstack\cb@currentstack
+\def\cb@thehistorystack{\cb@historystack}
+\def\cb@pop#1{%
+  \ifx #1\@empty
+    \def\cb@temp{#1}%
+    \ifx\cb@temp\cb@thehistorystack
+      \ifeof\cb@read
+      \else
+        {\endlinechar=-1\read\cb@read to\cb@temp
+         \xdef\cb@historystack{\cb@historystack\cb@temp}%
+        }%
+      \fi
+    \fi
+  \fi
+  \ifx#1\@empty
+    \global\cb@topleft\cb@nil
+    \global\cb@page\z@\relax
+  \else
+    \expandafter\cb@carcdr#1e#1%
+  \fi
+  \cb@trace@pop{#1}}
+\def\cb@carcdr#1n#2p#3l#4e#5{%
+  \global\cb@topleft#1\relax
+  \global\cb@page#2\relax
+  \global\cb@curbarwd#3\relax
+  \xdef#5{#4}}
+\def\cb@push#1{%
+  \xdef#1{\the\cb@topleft n\the\cb@page p\the\cb@curbarwd l#1}%
+  \cb@trace@push{#1}}
+
+\def\cb@barpoint#1#2#3{\cb@cnta=#2
+  \if@cb@firstcolumn\advance\cb@cnta by\m@ne\fi
+  \immediate\write\cb@write{#1n\the\cb@cnta p#3l}}
+\AtBeginDocument{%
+  \cb@setup@specials
+  \cb@pagejump{999999999,}%
+  \cb@positions
+  \cb@trace{%
+    Odd left : \the\cb@odd@left\space
+    Odd right : \the\cb@odd@right\MessageBreak
+    Even left: \the\cb@even@left\space
+    Even right: \the\cb@even@right
+    }%
+  \immediate\closeout\cb@write
+  \immediate\openin\cb@read=\jobname.cb}
+\AtEndDocument{%
+  \clearpage
+  \cb@initstack\cb@historystack
+  \immediate\closein\cb@read
+  \immediate\openin\cb@read=\jobname.cb%
+  \ifx\cb@readxy\@undefined
+  \else
+    \immediate\closein\cb@readxy
+    \immediate\openin\cb@readxy=\jobname.cb2%
+    \def\cb@pdfpoints{}%
+    \def\cb@pdfpagenr{0}%
+  \fi
+  \@cb@firstcolumnfalse
+  \cb@checkrerun
+  \let\cb@pdfxy\cb@checkPdfxy
+  \let\cb@pagejump\@gobble
+  \let\cb@barpoint\cb@checkHistory}
+\def\cb@checkHistory#1#2#3{%
+  \cb@pop\cb@historystack
+  \ifnum #1=\cb@topleft\relax
+    \cb@cnta=#2
+    \if@cb@firstcolumn\advance\cb@cnta by\m@ne\fi
+    \ifnum \cb@cnta=\cb@page\relax
+    \else
+      \cb@error
+    \fi
+  \else
+    \cb@error
+  \fi}
+\def\cb@checkPdfxy#1#2#3#4#5{}
+\def\cb@rerun{%
+  \global\let\cb@checkrerun\cb@error}
+\let\cb@checkrerun\relax
+\def\cb@error{%
+  \PackageWarning{Changebar}%
+    {Changebar info has changed.\MessageBreak
+     Rerun to get the bars right}
+  \gdef\cb@checkHistory##1##2##3{}%
+  \let\cb@barpoint\cb@checkHistory
+  \gdef\cb@checkPdfxy##1##2##3##4##5{}%
+  \let\cb@pdfxy\cb@checkPdfxy}
+\let\ltx@end@float\end@float
+\def\cb@end@float{%
+  \cb@trace@stack{end float on page \the\c@page}%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \cb@push\cb@currentstack
+    \global\cb@curbarwd=\cb@curbarwd
+    \@endfloatbox
+    \global\setbox\@currbox
+      \color@vbox
+      \normalcolor
+      \vbox\bgroup\cb@start[\cb@curbarwd]\unvbox\@currbox\cb@end
+  \fi
+  \ltx@end@float}
+\let\end@float\cb@end@float
+\let\flt@float@end\float@end
+\def\float@end{%
+  \cb@trace@stack{end float on page \the\c@page}%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \cb@push\cb@currentstack
+    \global\cb@curbarwd\cb@curbarwd
+    \@endfloatbox
+    \global\setbox\@currbox
+      \color@vbox
+      \normalcolor
+      \vbox\bgroup\cb@start[\cb@curbarwd]\unvbox\@currbox\cb@end
+  \fi
+  \let\end@float\ltx@end@float
+  \flt@float@end
+  }
+\let\ltx@end@dblfloat\end@dblfloat
+\def\cb@end@dblfloat{%
+  \if@twocolumn
+    \cb@trace@stack{end dblfloat on page \the\c@page}%
+    \cb@pop\cb@currentstack
+    \ifnum\cb@topleft=\cb@nil
+    \else
+      \cb@push\cb@currentstack
+      \global\cb@curbarwd=\cb@curbarwd
+      \@endfloatbox
+      \global\setbox\@currbox
+        \color@vbox
+        \normalcolor
+        \vbox\bgroup\cb@start[\cb@curbarwd]\unvbox\@currbox\cb@end
+    \fi
+    \@endfloatbox
+    \ifnum\@floatpenalty <\z@
+      \@largefloatcheck
+      \@cons\@dbldeferlist\@currbox
+    \fi
+    \ifnum \@floatpenalty =-\@Mii \@Esphack\fi
+  \else
+    \end@float
+  \fi}
+\let\end@dblfloat\cb@end@dblfloat
+\let\flt@float@dblend\float@dblend
+\def\float@dblend{%
+  \cb@trace@stack{end dbl float on page \the\c@page}%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+  \else
+    \cb@push\cb@currentstack
+    \global\cb@curbarwd=\cb@curbarwd
+    \@endfloatbox
+    \global\setbox\@currbox
+      \color@vbox
+      \normalcolor
+      \vbox\bgroup\cb@start[\cb@curbarwd]\unvbox\@currbox\cb@end
+  \fi
+  \let\end@dblfloat\ltx@end@dblfloat
+  \flt@float@dblend
+  }
+\let\ltx@footnotetext\@footnotetext
+\long\def\cb@footnotetext#1{%
+  \cb@trace@stack{end footnote on page \the\c@page}%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+    \ltx@footnotetext{#1}%
+  \else
+    \cb@push\cb@currentstack
+    \edef\cb@temp{\the\cb@curbarwd}%
+    \ltx@footnotetext{\cb@start[\cb@temp]#1\cb@end}%
+  \fi}
+\let\@footnotetext\cb@footnotetext
+\let\ltx@mpfootnotetext\@mpfootnotetext
+\long\def\cb@mpfootnotetext#1{%
+  \cb@pop\cb@currentstack
+  \ifnum\cb@topleft=\cb@nil
+    \ltx@mpfootnotetext{#1}%
+  \else
+    \cb@push\cb@currentstack
+    \edef\cb@temp{\the\cb@curbarwd}%
+    \ltx@mpfootnotetext{\cb@start[\cb@temp]#1\cb@end}%
+  \fi}
+\let\@mpfootnotetext\cb@mpfootnotetext
+\endinput
+%%
+%% End of file `changebar.sty'.