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tabu.dtx
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tabu.dtx
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% \iffalse meta-comment
% tabu : 2011/02/26 v2.8 - tabu: flexible LaTeX tabulars]
%
% 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
%
% This work consists of the main source file tabu.dtx
% and the derived files
% tabu.sty, tabu.pdf, tabu.ins
%
% Unpacking:
% (a) If tabu.ins is present:
% etex tabu.ins
% (b) Without tabu.ins:
% etex tabu.dtx
% (c) If you insist on using LaTeX
% latex \let\install=y\input{tabu.dtx}
% (quote the arguments according to the demands of your shell)
%
% Documentation:
% (pdf)latex tabu.dtx
% lppl copyright 2010-2011 by FC <florent.chervet@free.fr>
%<*ignore>
\begingroup
\def\x{LaTeX2e}%
\expandafter\endgroup
\ifcase 0\ifx\install y1\fi\expandafter
\ifx\csname processbatchFile\endcsname\relax\else1\fi
\ifx\fmtname\x\else 1\fi\relax
\else\csname fi\endcsname
%</ignore>
%<*install>
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
\Msg{* Package: 2011/02/26 v2.8 - tabu: Flexible LaTeX tabulars}
\Msg{************************************************************************}
\keepsilent
\askforoverwritefalse
\let\MetaPrefix \relax
\preamble
This is a generated file.
Copyright (FC) 2010-2011 - lppl
tabu : 2011/02/26 v2.8 - tabu : Flexible LaTeX tabulars
**********************************************************************************************
\string\begin{tabu} { preamble } => default target: \string\linewidth or \string\linegoal
\string\begin{tabu} to <dimen>{ preamble } => target specified
\string\begin{tabu} spread <dimen>{ preamble } => target relative to the ``natural width''
tabu works in text and in math modes.
X columns: automatic width ajustment + horizontal and vertical alignment
\string\begin{tabu} { X[4c] X[1c] X[-2ml] }
Horizontal lines and / or leaders:
\string\hline\string\hline => double horizontal line
\string\firsthline\string\hline => for nested tabulars
\string\lasthline\string\hline => for nested tabulars
\string\tabucline[line spec]{column-column} => ``funny'' lines (dash/leader)
Automatic lines / leaders :
\string\everyrow{\string\hline\string\hline}
Vertical lines and / or leaders:
\string\begin{tabu} { |[3pt red] X[4c] X[1c] X[-2ml] |[3pt blue] }
\string\begin{tabu} { |[3pt red] X[4c] X[1c] X[-2ml] |[3pt on 2pt off 4pt blue] }
Fixed vertical spacing adjustment:
\string\extrarowheight=<dimen> \string\extrarowdepth=<dimen>
or: \string\extrarowsep=<dimen> => may be prefixed by \string\global
Dynamic vertical spacing adjustment:
\string\abovetabulinesep=<dimen> \string\belowtabulinesep=<dimen>
or: \string\tabulinesep=<dimen> => may be prefixed by \string\global
delarray.sty shortcuts: in math and text modes
\string\begin{tabu} .... \string\({ preamble }\string\)
Algorithms reports:
\string\tracingtabu=1 \string\tracingtabu=2
**********************************************************************************************
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
This work consists of the main source file tabu.dtx
and the derived files
tabu.sty, tabu.pdf, tabu.ins
tabu : Flexible LaTeX tabulars
lppl copyright 2010-2011 by FC <florent.chervet@free.fr>
\endpreamble
\let\MetaPrefix \DoubleperCent
{
\catcode164=9
\generate{%
\file{tabu.ins}{\from{tabu.dtx}{install}}%
\file{tabu.sty}{\from{tabu.dtx}{package}}%
}
}
\askforoverwritefalse
\generate{%
\file{tabu.drv}{\from{tabu.dtx}{driver}}%
}
\obeyspaces
\Msg{************************************************************************}
\Msg{*}
\Msg{* To finish the installation you have to move the following}
\Msg{* file into a directory searched by TeX:}
\Msg{*}
\Msg{* tabu.sty}
\Msg{*}
\Msg{* To produce the documentation run the file `tabu.dtx'}
\Msg{* through LaTeX.}
\Msg{*}
\Msg{* Happy TeXing!}
\Msg{*}
\Msg{************************************************************************}
\endbatchfile
%</install>
%<*ignore>
\fi
%</ignore>
%<*driver>
\let\microtypeYN=y
\edef\thisfile{\jobname}
\def\thisinfo{Flexible \LaTeX{} tabulars (\FC)}
\def\thisdate{2011/02/26}
\def\thisversion{2.8}
\def\CTANbaseurl{http://www.ctan.org/tex-archive/macros/latex}
\def\CTANdisplay{CTAN:macros/latex}
\makeatletter\protected\def\CTANhref{\@ifstar\CTANhrefstar\CTANhrefnost}\makeatother
\newcommand*\CTANhrefstar[3][/contrib/]{\href{\CTANbaseurl#1#2}{#3}}
\newcommand*\CTANhrefnost[2][/contrib/]{\href{\CTANbaseurl#1#2}{\nolinkurl{\CTANdisplay#1#2}}}
\let\loadclass\LoadClass
\def\LoadClass#1{\loadclass[abstracton]{scrartcl}\let\scrmaketitle\maketitle\AtEndOfClass{\let\maketitle\scrmaketitle}}
{\makeatletter{\endlinechar`\^^J\obeyspaces
\gdef\ErrorUpdate#1=#2,{\@ifpackagelater{#1}{#2}{}{\let\CheckDate\errmessage\toks@\expandafter{\the\toks@
\thisfile-documentation: updates required !
package #1 must be later than #2
to compile this documentation.}}}}%
\gdef\CheckDate#1{{\let\CheckDate\relax\toks@{}\@for\x:=\thisfile=\thisdate,#1\do{\expandafter\ErrorUpdate\x,}\CheckDate\expandafter{\the\toks@}}}}
\AtBeginDocument{\CheckDate{interfaces=2011/02/12,linegoal=2011/02/25}}
\PassOptionsToPackage{svgnames,table}{xcolor}
\PassOptionsToPackage{hyperfootnotes}{hyperref}
\documentclass[a4paper,oneside]{ltxdoc}
\AtBeginDocument{\tracingnesting=1 \DeleteShortVerb{\|}\catcode164=14}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{ltxnew,etoolbox,geometry,graphicx,xcolor,needspace,ragged2e} % general tools
\usepackage{lmodern,bbding,hologo,relsize,moresize,manfnt,pifont,upgreek} % fonts
\usepackage[official]{eurosym} % font
\ifx y\microtypeYN %
\usepackage[expansion=all,stretch=20,shrink=60]{microtype}\fi % font (microtype)
\usepackage{xspace,tocloft,titlesec,fancyhdr,lastpage,enumitem,marginnote} % paragraphs & pages management
\usepackage{holtxdoc,bookmark,hypbmsec,enumitem-zref} % hyper-links
\usepackage{array,delarray,longtable,colortbl,multirow,makecell,booktabs} % tabulars
\usepackage{tabularx}\tracingtabularx % tabularx
\usepackage{amsmath,amsopn} % mathematics \DeclareMathOperator in amsopn
\usepackage[a]{esvect} % mathematics : for nice vectors arrows
\usepackage{numprint,xfrac,siunitx} % numbers / units / fractions
\usepackage{embedfile} % .dtx enclosed in .pdf
\usepackage{fancyvrb}\fvset{gobble=0,listparameters={\topsep=0pt}} % verbatim
\usepackage{interfaces} % interfaces (à tester aussi avant \documentclass)
\usetikz{basic,chains,positioning} % pgf / TikZ
\usepackage{nccfoots} % \Footnote{marker}{text}
\usepackage{embedfile}
\RequirePackage{amsopn,amsmath}%
\RequirePackage[a]{esvect}% for vectors
\DeclareMathOperator*\Div{div}
\DeclareMathOperator*\Rot{\vv{\text{rot}}}
\DeclareMathOperator*\Min{Min}
\DeclareMathOperator*\Max{Max}
\newrobustcmd*\dpartial[2]{\displaystyle\genfrac{}{}{}{}{\partial\mkern.2\thinmuskip#1}{\partial\mkern.2\thinmuskip#2}}
\newrobustcmd*\dtotal[2]{\displaystyle\genfrac{}{}{}{}{\text d\mkern.2\thinmuskip#1}{\text d\mkern.2\thinmuskip#2}}
\newrobustcmd*\abs[1]{\left\lvert#1\right\rvert}
\usepackage{expl3,l3keys2e,siunitx}
\usepackage{xfrac}
\usepackage{listings}
\lstset{
gobble=1,
language=[LaTeX]TeX,
basicstyle=\ttfamily,
breaklines=true,
upquote=true,
% prebreak={\%\,\ding{229}},
backgroundcolor=\color[gray]{0.90},
keywordstyle=\color{blue}\bfseries,
keywordstyle=[2]{\color{ForestGreen}},
commentstyle=\ttfamily\color{violet},
keywordstyle=[3]{\color{black}\bfseries},
keywordstyle=[4]{\color{red}\bfseries},
keywordstyle=[5]{\color{blue}\bfseries},
keywordstyle=[6]{\color{green}\bfseries},
keywordstyle=[7]{\color{yellow}\bfseries},
%extendedchars={true},
alsoletter={&},
morekeywords=[1]{
\lstdefinestyle,
\lstinputlisting,\lstset,
\color,
\geometry,\lasthline,\firsthline,
\cmidrule,\toprule,\bottomrule,
\everyrow,\tabulinestyle,\tabureset,\savetabu,\usetabu,\preamble,
\taburulecolor,\taburowcolors},
morekeywords=[2]{
tabular,
caption,
table,
tabu},
morekeywords=[3]{
&},
morekeywords=[4]{red},
morekeywords=[5]{blue},
morekeywords=[6]{green},
morekeywords=[7]{yellow},
}
\csname endofdump\endcsname
\CodelineNumbered
\usepackage{fancyvrb}\fvset{gobble=1,listparameters={\topsep=0pt}}
\usepackage[linegoal]{tabu}\tracingtabu=2
\newtabulinestyle{dash=on1pt off1pt}
\lastlinefit999
\geometry{top=0pt,includeheadfoot,headheight=.6cm,headsep=.6cm,bottom=.6cm,footskip=.5cm,left=4cm,right=1.5cm}
\hypersetup{%
pdftitle={tabu},
pdfsubject={a simple line parser for TeX},
pdfauthor={Florent CHERVET},
colorlinks,linkcolor=reflink,urlcolor=refurl,
pdfstartview=FitH,pdfpagemode=UseOutlines,
pdfkeywords={tex, e-tex, latex, package, tabular, array, halign, tabularx, longtable, color, colortbl, alignment},
}
\embedfile{\thisfile.dtx}
\begin{document}
\DocInput{\thisfile.dtx}
\end{document}
%</driver>
% \fi
%
% \CheckSum{7884}
%
% \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 \~}
%
% \DoNotIndex{\begin,\CodelineIndex,\CodelineNumbered,\def,\DisableCrossrefs,\~,\@ifpackagelater,\z@,\@ne,\@@,\@firstoftwo,\@firstofone,\@secondoftwo,\@fornoop,\@elt,\tabu@temp}
% \DoNotIndex{\DocInput,\documentclass,\EnableCrossrefs,\end,\GetFileInfo,\TMP@EnsureCode,\@length,\@thick,\@m,\@makeother,\@mpfn,\@preamerr,\@preamerror,\@skip,\@spaces,\tabu@spaces}
% \DoNotIndex{\NeedsTeXFormat,\OnlyDescription,\RecordChanges,\usepackage,\@ss,\@therule,\@unbox,\[,\],\{,\},\cellspacetoplimit,\begin,\bcolumn,\adl@xarraydashrule,\adl@vlineR,\adl@vlineL}
% \DoNotIndex{\ProvidesClass,\ProvidesPackage,\ProvidesFile,\RequirePackage,\adl@ncol,\adl@leftrulefalse,\adl@dashgapcolor,\adl@colhtdp,\adl@class@start,\adl@box,\adl@arrayrestore}
% \DoNotIndex{\filename,\fileversion,\filedate,\let,\adl@array,\adl@act@@endpbox,\adl@act@endpbox,\0,\,,\;,\&,\@cdr,\@box,\@currentHref,\@currentlabel,\@currentlabelname,\@currenvir}
% \DoNotIndex{\@listctr,\@nameuse,\csname,\else,\endcsname,\expandafter,\AtEndOfPackage,\crcr,\copy,\FV@RightListNumber,\FV@RightListFrame,\Hy@footnote@currentHref,\Hy@raisedlink}
% \DoNotIndex{\gdef,\global,\if,\item,\newcommand,\nobibliography,\newrobustcmd,\renewrobustcmd,\providerobustcmd,\hyper@@anchor,\ifadl@inactive,\ifadl@leftrule,\ifadl@zwvrule,\ifHy@nesting}
% \DoNotIndex{\par,\providecommand,\relax,\renewcommand,\renewenvironment,\in@@,\o,\on@line,\P,\ProcessOptions,\LNGL@setlinegoal,\set@color,\T,\O,\tabu@adl@endtrial}
% \DoNotIndex{\stepcounter,\usecounter,\nocite,\fi,\tabu@adl@act@endpbox,\tabu@adl@xarraydashrule,\tabu@FV@@@CheckEnd,\tabu@FV@@CheckEnd,\tabu@FV@DefineCheckEnd,\tabu@FV@ListProcessLine}
% \DoNotIndex{\@fileswfalse,\@gobble,\@ifstar,\@unexpandable@protect,\tabu@fornoopORI,\tabu@m@ybesiunitx,\tabu@multic@lumn,\tabu@multicolumnORI,\tabu@s@ved,\tabu@startpboxORI,\tabucline@sc@n,\z}
% \DoNotIndex{\AtBeginDocument,\AtEndDocument,\begingroup,\endgroup,\ifnum,\ifodd,\ifdim,\ifcsname,\ifcat,\ifcase,\iffalse,\FancyVerbFormatLine,\begin,\end,\@let@token,\@undefined,\active}
% \DoNotIndex{\frenchspacing,\MessageBreak,\newif,\PackageWarningNoLine,\@addtopreamble,\@depth,\@height,\@width,\@firstofone,\@frameb@x,\@lastchclass,\@M,\m,\@nextchar,\@startpbox}
% \DoNotIndex{\protect,\string,\xdef,\ifx,\texttt,\@biblabel,\bibitem,\@tempa,\{,\},\^,\ ,\DeclareOption,\CT@end,\CT@arc@,\CT@drsc@,\count@,\col@sep,\endgraf,\dimexpr,\fbox,\fboxsep,\g@addto@macro}
% \DoNotIndex{\z@,\wd,\vrule,\voidb@x,\verb,\bibitem,\NC@rewrite@,\NC@list,\NC@do,\NC@,\nobreak,\number,\showbox,\tabu@AtEnd,\tabu@getnbc@ls,\tabu@s@nitizetext}
% \DoNotIndex{\FrameCommand,\MakeFramed,\FrameRestore,\hskip,\hfil,\hfill,\hsize,\hspace,\hss,\hbox,\hb@xt@,\endMakeFramed,\escapechar,\tabu@s@veX,\tabu@sett@rget,\tabu@stack}
% \DoNotIndex{\do,\date,\if@tempswa,\@tempdima,\@tempboxa,\@tempswatrue,\@tempswafalse,\ifdefined,\ifhmode,\ifmmode,\cr,\@lowpenalty,\@medpenalty,\maxdimen,\tabu@,\tabu@@,\tabu@l@@d@rs}
% \DoNotIndex{\box,\author,\advance,\multiply,\Command,\outer,\next,\leavevmode,\kern,\title,\toks@,\trcg@where,\tt,\tabu@msgalign@PT,\toks}
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% \changefont{size+=2.5pt,spread=1,fam=\ttdefault}^^A
% \def\*{\unskip\,\texttt{*}}\noindent
% \hskip-\leftmargini
% \begin{tabu}{|l|}\hline
% \expandafter\SpecialUsageIndex\csname #2\endcsname
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% }
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% norules,font=\scriptsize,
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% \newrobustcmd*\IMPLEMENTATION{%
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% head/left=\moveleft1cm\vbox to\z@{\vss\setbox0=\null\ht0=\z@\wd0=\paperwidth\dp0=\headheight\rlap{\colorbox{GhostWhite}{\box0}}}\vskip-\headheight \TabU\ \ T\,e\,c\,n\,i\,c\,a\,l\ \, n\,o\,t\,i\,c\,e \ \, a\,n\,d \ \, i\,m\,p\,l\,e\,m\,e\,n\,t\,a\,t\,i\,o\,n,
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% \section(Technical notice and Implementation)[\mdseries\scshape\pmb{Technical notice and Implementation}]{\textlarger{Technical notice and Implementation}}\label{implementation}}
% \let\plainllap\llap
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%
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% }
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%
% \AtBeginShipoutNext{\AtBeginShipoutUpperLeft{%
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% \coordinate (upper west) at (current page.north west);
% \coordinate (upper east) at (current page.north east);
% \node at ($(upper west)+(3cm,-4.5cm)$) [anchor=north west,rotate=30] {{\tabulinestyle{a}\tabulinesep=5pt \mathversion{bold}\color{teal}
% \begin{tabu}to 5cm{*4{|>{\smaller}X[c$]}|} \tabucline[c]-
% \multicolumn1{|c}{1} & \multicolumn1c{2} & \multicolumn1c{3} & 4 \\ \tabucline[c]-
% \multicolumn1{|c}{5} & \multicolumn1c{6} & 7 \\ \tabucline[c]{-3}
% \multicolumn1{|c}{8} & 9 \\ \tabucline[c]{-2}
% 10 \\ \tabucline[c]{-1}
% \end{tabu}}};
% \node at ($(upper east)+(-.5cm,-4cm)$) [anchor=north east,rotate=-35] {{
% \tabulinestyle{a}
% \tabulinesep=5pt \mathversion{bold}
% \begin{tabu}to 5cm{|*4{>{\smaller\pkgcolor}X[$mc]}|} \tabucline[b]{4-}
% \multicolumn3{c|}{} & \alpha \\ \tabucline[b]{3-}
% \multicolumn2{c|}{} & \beta & \gamma \\ \tabucline[b]{2-}
% \multicolumn1{c|}{} & \delta & \epsilon & \zeta \\ \tabucline[b]{-}
% \eta & \theta & \iota & \kappa \\ \tabucline[b]-
% \end{tabu}}};
% }}}
% \title{\vspace*{-28pt}\href{http://www.tex.ac.uk/tex-archive/help/Catalogue/entries/tabu.html}{\scalebox{2}{\TABU[]}}\Footnotemark{\textsuperscript*}\vspace*{6pt}}
% \date{}
% \author{\small\thisdate~--~\hyperref[\thisversion]{version \thisversion\ release}}
% \subtitle{\begin{tabu}{X[c]}\Large tabu\, and\, longtabu \\[1ex] \LARGE Flexible \LaTeX{} tabulars\\ \small\FC \end{tabu}\vspace*{-12pt}}
%
% \maketitle
%
% {\makeatletter
% \Footnotetext{*}{\noindent\parskip=0pt\scriptsize
% This documentation is produced with the \textt{DocStrip} utility, and required \thispackage
% with its \hyperref[subsec:linegoal package option]{\textt{linegoal}} option.\par
% \begin{tabu} {X[-3]X[-1]X}
% \smex To get the package, &run: &\textt{etex \thisfile.dtx} \\
% \smex To get the documentation &run (thrice): &\textt{pdflatex \thisfile.dtx} \\
% \leavevmode\hphantom\smex To get the index, &run: &\textt{makeindex -s gind.ist \thisfile.idx}
% \end{tabu}§
% The \xext{dtx} file is embedded into this pdf file thank to \Xpackage{embedfile} by H. Oberdiek.}
% }
%
% \deffootnote{1em}{0pt}{\rlap{\thefootnotemark.}\kern1em}
%
% {\let\quotation\relax\let\endquotation\relax\vspace*{-1cm}%
% \begin{abstract}\parskip\smallskipamount\parindent0pt\lastlinefit0\leftskip.2cm\rightskip\leftskip
%
% This package defines a single environment \env{tabu} to make all kinds of tabulars
% in text or in math mode provided that they do not split across pages.
%
% An environment \env{longtabu} -- based on D. Carlisle \Xpackage{longtable} package --
% is also provided to make tabulars that can stretch out on several pages, while keeping
% some features (not all of them) of the \env*{tabu}.
%
% \env{tabu} is more flexible that \env{tabular}, \env{tabular*}, \env{tabularx}
% and \env{array} and extends the possibilities. All tabulars in this document were made
% with the \env*{tabu}, \emph{of course}... The implementation is optimised to minimise the
% measurements required to put all together.
%
% \TabU likes colors too, with special lines that are able to keep the alignment of the surrounded
% text... and also like numbers with the possibility to embed \Xpackage{siunitx} \textt S (or \textt s)
% columns.
% \TabU does not modify any of the macro defined by \xfile{array.sty} or in the \LaTeX{}
% kernel\footnote{Inside the \env*{tabu} a few macros are modified... this was compulsory !}.
% \medskip
%
% \TabU requires \eTeX{} and the standard package \xfile{array.sty}. Natural widths of columns
% are computed (but not printed ) by the code of \Xpackage{varwidth} by D. Arseneau.
% Finally \env{longtabu} is based on \Xpackage{longtable}.
%
% \end{abstract}}
%
% \makeatletter \enlargethispage\baselineskip
% \tocsetup{
% depth=3,
% dot=$\scriptscriptstyle\ldotp$,
% dotsep=1mu,
% title/top=8pt plus2pt minus4pt,
% title/bottom=6pt,
% title=Contents\quad\leaders\vrule height3.1pt depth-3pt\hfill\null,
% bookmark={text=Contents,bold},
% after=\leavevmode\hrule height3.1pt depth-3pt,
% twocolumns=false,
% section/skip=4pt plus2pt minus2pt,
% section/leaders=\leaders\hbox{$\m@th\mkern1mu\hbox{$\mathbf\ldotp$}\mkern1mu$}\hfill,
% section/dotsep,
% subsection/skip=0pt plus2pt minus 2pt,
% subsection/numwidth+=5pt,
% subsubsection/font=\slshape,
% subsubsection/pagenumbers=off,
% subsubsection/skip-=1pt,subsubsection/numwidth-=4pt,
% }\makeatother
%
% {%
% \hypersetup{linkcolor=black}
% \tableofcontents
% }
%
% \begingroup
% ^^A\geometry{top=0pt,includeheadfoot,headheight=.6cm,headsep=.6cm,bottom=.6cm,footskip=.5cm,left=4cm,right=1.5cm}
% \newgeometry{top=0pt,includeheadfoot,headheight=.6cm,headsep=.6cm,bottom=.6cm,footskip=.5cm,left=1.5cm,right=1cm}
% \pagesetup*{left/offset-=2.5cm,right/offset-=.5cm}
%
% \changefont{spread*=1.1}
% \phantomsection \label{Summary}
% \addcontentsline{toc}{section}{\protect\textcolor{FireBrick}{Summary of the features provided by \TabU}} ^^A\textt{\pkgcolor t\,a\,b\,u}}}
% \def\arraystretch{1}\vspace*{-9mm}
% \tabcolsep=3pt \tabulinesep=.5mm
% \begin{longtabu}{>{\ttfamily\bfseries}X[-1]X} \toprule
% \rowfont{\larger\bfseries\lsstyle}
% \multicolumn2c{Summary of the features provided by \thispackage}
% \\ \tabucline[\dash]- \endhead
% \hyperref[tabu.sec]{tabu} &
% is like \textt{tabular} in text mode and like \textt{array} \hyperref[math mode.sec]{in math mode} when there is no
% \textt X column in its preamble
% \\
% \hyperref[longtabu.sec]{longtabu} &
% is like \textt{longtable} with the possibility to use \textt{tabu X} columns and vertical lines
% with the extended syntax.
% \\
% \hyperref[tabu.sec]{\M*{tabu} to \meta{dimen}} &
% specifies the target width of the whole tabular. This is like \textt{tabular\textasteriskcentered}\,
% with an automatic stretchability that can be overwritten with \textt{@\M*{\cs\extracolsep\M*{dimen}}}
% in front of the preamble.
% \\
% \hyperref[longtabu.sec]{\M*{tabu} spread \meta{dimen}} &
% has no equivalent in \LaTeX: the final width is \meta{dimen} wider than the
% natural width that can be obtained with \textt{spread 0pt}.
% \\ \tabucline[\dash]-
% \hyperref[Vertical lines]{\texttbf\textbar[width,color]} &
% vertical lines have an optional parameter.
% \\ \tabucline[\dash]-
% \hyperref[tabu X columns]{X[coef,align,type]} \par
% \refitem{tabu X columns,3}[{X[coef,align,type,\$]}] &
% \textt X columns widths are adjusted in order for the whole tabular to fit the
% target width. The target width is a dimension either:
% \begin{itempunct}[label=\ding{223}]
% \item directly specified with \textt{\M*{tabu} to\meta{dimen}}
% \item computed from the natural width: \textt{\M*{tabu} spread\meta{dimen}}
% \item by default \cs\linewidth (or \cs\linegoal with the \hyperref[subsec:linegoal package option]{\textt{linegoal} package option}).
% \end{itempunct}
% \textt{coef} scales the widths of the \textt X columns, if there are more than one \textt X column. \par
% \textt{align} is either \textt r, \textt c, \textt l\, or\, \textt j\, (or \hyperref{}{declcs}{rowfont}{\textt{R C L J}})
% and \textt{type}\, can be \textt p (default), \textt m\, or\, \textt b.\par
% \textt{X[\$]}\, makes a math \textt X column (\ie \, \textt{>\M*{\$}X<\M*{\$}})\par
% \textt{X[\$\$}] display math \textt X column: \textt{>\M*{\$\cs\displaystyle}X<\M*{\$}}
% \\
% \refitem{tabu X columns,2}[{X[$-$coef,align,type]}] &
% \textt X columns widths are first computed with the absolute value: $\mathversion{bold}\abs{\textt{coef}}$.
% Then the width is made narrower down to the natural width of the column if possible.\par
% In any case, the final width does not exceed the one obtained with \textt{X$\mathversion{bold}\left[\abs{\textt{coef}}\right]$}.
% \\
% \hyperref[subsec:embedding siunitx S columns]{\textt{X\M*[X options]\M*{S\M*[S options]}}} &
% Embed a \Xpackage{siunitx} \textt S column into a \env{tabu}-\textt X column.
% \\ \tabucline[\dash]-
% \cs\everyrow\M*{code} & Allows to add horizontal lines automatically for every row.\par
% The settings can be changed inside the \textt{tabu}
% \\ \tabucline[\dash]-
% \cs\rowfont\M*[align]\M*{font spec} &
% Modify the font and optionally the alignment of each cell in one row.
% \\ \tabucline[\dash]-
% \cs\tabulinesep$=$\meta{dimen} &
% More control on vertical spacing of lines in a way very close to \Xpackage{cellspace}'s method (dynamic vertical spacing adjustment).
% \\
% \cs\extrarowsep$=$\meta{dimen} &
% Control vertical spacing (\cs\extrarowheight and \cs\extrarowdepth): fixed vertical spacing adjustment.\par
% \cs\tabulinesep generally gives better results.
% \\ \tabucline[\dash]-
% \cs\tabudecimal\M*{\cs\usermacro} & a help to align numbers easily inside a column.
% \\ \tabucline[\dash]-
% \cs\savetabu\M*{user-name} &
% Saves the \textt{tabu} preamble and its parameters.
% The command must appear at the end of a line.
% \\
% \cs\usetabu\M*{user-name} &
% Makes a \textt{tabu} of exactly the same shape as the one saved with \cs\savetabu.
% All parameters (\textt{target}, \textt{preamble}, \textt{stretch} \etc) are restored.\par
% This command is put alone in the preamble in place of the columns specifications.
% \\
% \cs\preamble\M*{user-name} &
% Makes a \textt{tabu} with the same preamble as the one saved with \cs\savetabu.
% The only \textt{preamble} is restored, not the \textt{target} nor any other parameter.\par
% This command is put alone in the preamble in place of the columns specifications.
% \\ \tabucline[\dash]-
% \cs\tabulinestyle\M*{line spec} & Sets the current line style to be used for \texttbf\textbar\, and \cs\tabucline
% \\
% \cs\newtabulinestyle\M*{name=spec,...} & Defines a line style for use with \cs\tabucline\M*[name] or with \texttbf\textbar\M*[name]
% \\
% \cs\tabucline\M*[spec]\M*{start-stop} & Draws a line comparable to \cs\hline. The line \meta{spec} can contain
% information for making a dash or dotted line (f.ex. \M*[on 3pt off 6pt]) and a color name.\par
% The line spec can also be defined with \cs\newtabulinestyle
% \\ \tabucline[\dash]-
% \cs\taburulecolor\M*|dbl rule sep|\M*{rule color} & sets the color for rules (\cs\hline, \cs\firsthline ...)
% \\ \tabucline[\dash]-
% \cs\taburowcolors\M*[skip]\meta{number}\M*{first .. last} & Sets the color series to make alternate background colors for rows
% \\ \tabucline[\dash]-
% \cs\tabuphantomline & inserts a phantom (\ie invisible) line inside the \textt{tabu}\par
% May be usefull with \cs\multicolumn in some cases.
% \\ \tabucline[\dash]-
% \cs\tracingtabu$=0, 1, 2, 3, 4$
% &
% Reports informations in the \xext{log} file about the steps of the algorithm for \textt{tabu X} columns,
% and the informations saved by \cs\savetabu.
% \\ \bottomrule
% \end{longtabu}
%
% \clearpage \endgroup
%
%
% \section{Examples and counterexamples}
%
% {\tabulinestyle{2pt on 3pt pkgcolor off4pt yellow!50}\tabulinesep=1mm
% \declmargin\begin{tabu}to\dimexpr\linewidth-\declmarginwidth{|X[c]|}\tabucline-
% \indent\bfseries\larger\lk Let's begin in colors ! \\ \tabucline-
% \end{tabu}
% }
%
% \TabU provides facilities to put horizontal and vertical leaders in a tabular. The package \Xpackage{xcolor}
% must be loaded of course. Background colors for cells are left to package \Xpackage{colortbl} which is fully
% compatible with \TabU.
%
% \subsection{``Locally global'' settings and their scopes}
%
% \TabU \marginnote{\llap{\begin{tabu}{r}\cs\tabulinestyle \\ \cs\taburulecolor \\ \cs\taburowcolors \\ \cs\everyrow \end{tabu}}}
% observes \TeX{} grouping levels for the settings of rule colors (\cs\taburulecolor) and styles (\cs\tabulinestyle),
% and \cs\everyrow. There is however a subtility for nested \env{tabu} environments as described in this example:
%
% {\smaller
% \begin{lstlisting}[caption={Locally global settings and their scopes}]
% \taburulecolor |gray!50|{red} \arrayrulewidth=1pt
% {
% \taburulecolor |yellow|{blue}
% \begin{tabu}{|X|X|} \hline
% Here the lines & are drawn in blue \\ \taburulecolor{green} \hline
% But starting from here & they are green coloured ! \\ \hline
% And now a nested tabu & \begin{tabu}{X} \firsthline\hline
% guess what colour \\ \hline
% is used for rules ?\\ \lasthline\hline
% \end{tabu} \\ \hline
% \end{tabu}
% % Inside the group, rule colors are blue
% }
% % After the group, rule colors are red again !
% \begin{tabu}{X}\hline\hline\indent\end{tabu}
% \end{lstlisting}}
%
%
% {\taburulecolor |gray!50|{red}\tracingtabu=0 \arrayrulewidth=1pt
% {
% \taburulecolor|yellow|{blue}\tabulinesep=1mm
% \begin{tabu}{|X|X|} \hline
% \tikzlabel{start}
% Here the lines & are drawn in blue \\ \taburulecolor{green} \hline
% But starting from here & they are green coloured ! \\ \hline
% \tikzlabel{nested}
% And now a nested \env{tabu} & \extrarowsep=2mm\begin{tabu}{|X|} \firsthline\hline
% guess what colour \\ \hline
% \tikzlabel{inner} is used for rules ?\\ \lasthline\hline
% \end{tabu} \\ \hline
% \end{tabu}
% % Inside the group, rule colors are blue
% }
% % After the group, rule colors are red again !
% \begin{tabu}{X}\hline\hline\indent\end{tabu}
% }
% \tikz[remember picture,overlay]{
% \draw [->] ([xshift=-1cm]start) -- ([xshift=-\tabcolsep]start);
% \node at ([xshift=-1cm]start) [anchor=east,font=\smaller] {\begin{tabu}{c} Color of the \\ \TeX{} group\end{tabu}};
% \draw [->,yshift=4mm] ([xshift=-1cm]nested) -- ([xshift=-\tabcolsep]nested);
% \node at ([xshift=-1cm]nested) [anchor=east,font=\smaller] {\begin{tabu}{c} Color of the last \\ end-of-line setting\end{tabu}};
% \coordinate (A) at ([xshift=-1cm]nested);
% \coordinate (B) at (A |- inner);
% \draw [->] (B) -- ([xshift=-\tabcolsep]inner);
% \node at (B) [anchor=east,font=\smaller]{\begin{tabu}{c} Color of the\\ \TeX{} group\end{tabu}};
% }
% The ``rules'' are the following:
%
% \begin{itemize}[leftmargin=*]
% \item If outside of a \env*{tabu}, the settings are local to the \TeX{} group. Every tabular drawn inside this group
% will inherit from the settings of that group.
% \item If \cs\taburulecolor (or \cs\everyrow or \cs\tabulinestyle) is used inside a cell of the tabular, this is the same:
% the settings a local to that cell, and any nested tabular will inherit from the setting of that cell.
% \item When used after the end of a row, the settings are globally changed from that point until the end of the tabular,
% or until a new setting is set at the end of a further row (\TeX nically, this is done inside a \cs\noalign group).
% But a nested \env{tabu} does not inherit from this ``global'' setting, and inherits from the settings of the \TeX{}
% group instead.
% \end{itemize}
%
% If \cs\arrayrulecolor\, or\, \cs\doublerulesepcolor\, (from package \Xpackage{colortbl}) are used instead
% of\, \cs\taburulecolor\, then colors are globally overwritten.
%
% \clearpage
%
% A counterexample from the \Xpackage{xcolor} package: \cs\rowcolors does not like
% \cs\cline, \cs\cmidrule etc.\footnote{Because color changes are done at \cs\everycr,
% which is not exactly the same as \TabU \cs\everyrow !}
%
% {\smaller
% \setbox\tempbox=\vbox{\linewidth.65\linewidth \hsize\linewidth
% \begin{lstlisting}
% \rowcolors{2}{green!25}{yellow!50}
% \begin{tabular}{cc} \toprule
% \repeatcell2{
% rows=5,
% text/col1=test,
% text/col2=row \number\rownum} \\
% test & other row \number\rownum \\ \cmidrule{1-2}
% test & other row \number\rownum \\
% test & other row \number\rownum \\ \bottomrule
% \end{tabular}
% \end{lstlisting}}
%
% \begin{tabu}{X[2mc]X[1mc]}
% \indent\copy\tempbox
% &
% \rowcolors{2}{green!25}{yellow!50}
% \begin{tabular}{cc} \toprule
% \repeatcell2{
% rows=5,
% text/col1=test,
% text/col2=row \number\rownum} \\
% test & other row \number\rownum \\ \cmidrule{1-2}
% test & other row \number\rownum \tikzlabel{rownum} \\
% test & other row \number\rownum \\ \bottomrule
% \end{tabular}
% \end{tabu}
% }
%
% The \cs\rownum counter is not reliable in the case of \cs\cline or \cs\cmidrule. \tikzlabel{rownumstart}
% \tikz[remember picture,overlay]{
% \draw [->,gray] (rownumstart) -| (rownum);
% }
%
% In addition, the first coloured row is yellow, while one could have expected it green...
%
% For \TabU color changes are called at \cs\everyrow:
%
% {\smaller
% \setbox\tempbox=\vbox{\linewidth.65\linewidth \hsize\linewidth
% \begin{lstlisting}
% \taburowcolors [2] 2{green!25 .. yellow!50}
% \begin{tabu}{*2{X[c]}} \toprule
% \repeatcell2{
% rows=5,
% text/col1=test,
% text/col2=row \thetaburow} \\
% test & other row \thetaburow \\ \cmidrule{1-2}
% test & other row \thetaburow \\
% test & other row \thetaburow \\ \bottomrule
% \end{tabu}
% \end{lstlisting}}
%
% \begin{tabu}{X[2mc]X[mc]}
% \indent\copy\tempbox
% &
% \taburowcolors [2] 2{green!25 .. yellow!50}
% \begin{tabu}spread 0pt {*2{X[-1c]}} \toprule
% \repeatcell2{
% rows=5,
% text/col1=test,
% text/col2=row \thetaburow} \\
% test & other row \thetaburow \\ \cmidrule{1-2}
% test & other row \thetaburow \\
% test & other row \thetaburow \\ \bottomrule
% \end{tabu}
% \end{tabu}
%
% }
%
% \thispackage does not use ``real'' alternate colors but colorseries provided by package \Xpackage{xcolor}.
% This allow some gradations:
%
% \setbox\tempbox=\vbox{\linewidth=.65\linewidth\hsize\linewidth\smaller
% \begin{lstlisting}
% \taburowcolors 5{green!25 .. yellow!50}
% \begin{tabu}{X[-1]X}
% \repeatcell 2{
% rows=10,
% text/col1=test,
% text/col2={Row number
% \row$=$\thetaburow},
% }
% \end{tabu}
% \end{lstlisting}}
%
% {
% \begin{tabu}{X[2mc]X[mc]}
% \indent\copy\tempbox
% &
% \taburowcolors 5{green!25 .. yellow!50}
% \begin{tabu}{X[-1]X}
% \repeatcell 2{
% rows=10,
% text/col1=test,
% text/col2={Row number \row$=$\thetaburow},
% }
% \end{tabu}
% \end{tabu}
% }
%
% \subsection{\textt X column widths computation}
%
% The new algorithm implemented in version \hyperref[\thisversion]\thisversion{} requires only one measure of the width of the table
% in any case. \marginnote{\tikz{\node [inner sep=0pt,outer sep=0pt,rotate=45,fill=yellow!30]
% {\color{FireBrick}\tabcolsep=0pt\begin{tabu}{l} Example provided by \\ M. Manuel Kuehner\end{tabu}};}}
% This speeds up the convergence of the algorithm.
%
% {
% \centering
% {\smaller
% \begin{lstlisting}
% \begin{tabu} to 140mm {|X[1,l] | X[2,c] | X[3,c] | X[1,r]|}
% |\dotfill | & Text & Text & Text \\
% Text & Text & Text & Text
% \end{tabu}
% \end{lstlisting}}
%
% \begin{tabu} to 140mm{|X[1,l] | X[2,c] | X[3,c] | X[1,r]|} \savetabu{X columns widths}
% |\dotfill | &Text &Text &Text \\
% Text &Text &Text &Text
% \end{tabu}
%
% \tabulinestyle{1pt Blue}
% \begin{tabu}to 140mm{\preamble{X columns widths}} \tabucline-
% \rowfont[c]{\smaller}
% 1\textt X$=17.5mm$ & 2\textt X $=35mm$&3\textt X $=52.5mm$ &1\textt X $=17.5mm$ \\ \tabucline-
% \end{tabu}\par
% }
%
% $$X=\left( 140mm - 8\times \cs\tabcolsep - 5\times \cs\arrayrulewidth \right) / 7 = 17.4896mm$$
%
% \Needspace{4\baselineskip}
% \subsection(Verbatim material){Inserting Verbatim material (\xpackage{fancyvrb})}
% \label{Verbatim material.subsec}
%
% Though the content of the \env*{tabu} is collected for measuring purpose, it is possible to insert
% verbatim material with the \env{tabu\stform*} variant of the environment. The content is then carefully
% collected and re-scanned (with \cs\scantokens). During the process, the \texttbf @ letter is read with the category
% code it has been given at the entry inside the environment (it is possible to say \cs\makeatletter before \cs\begin\M*{tabu\stform*}).
%
% Example:
%
% {\makeatletter
% \begin{tabu*}{*2{X[p]}}
% It is possible to insert Verbatim material with some \Verb+\csname+
% \Verb+ control sequences \endcsname+
% inside a \env{tabu} and inside \textt X columns. Negativ coefficients work well too, adjusting
% the width of the \textt X column to the natural width if it is finally less than the width
% computed with the absolute value of the coefficient.\par
% A complete \Verb+Verbatim+ environment is also admissible.\par
% But you must use the star form of the environment: \env{tabu\stform*} which uses \cs\scantokens.
% &
% \begin{Verbatim}[commandchars={$[]},listparameters={\topsep=-\ht\@arstrutbox}]
% Verbatim environments must be put
% alone on their lines (in the input
% file) for nothing is allowed
% after $cs[begin]{Verbatim} or
% $cs[end]{Verbatim}.
% Another point to know is that
% \begin and \end control sequences
% should match otherwise, you must
% enclose the Verbatim environment
% inside braces.
% This is related to the fact that tabu
% collects its body, and looks for
% matching pairs of \begin ... \end !
% \end{Verbatim}
% \end{tabu*}
% }
%
% \env{tabu\stform*} is useless when nested inside another tabular. The star form of the environment should be used
% only for the outermost table ! Comments are removed, unless the \% character is given a category code of 12
% (or 11) before the entry inside the environment.
%
% {\smaller
% \begin{lstlisting}
% \tabulinestyle{on2pt Crimson!60 off3pt yellow!50} \tabulinesep=2mm
% \makeatletter \@makeother\%
% \begin{tabu*}spread 0pt {|X[-1]X|} \tabucline-
% This is a small \Verb+\Verbatim+\par
% insertion
% &
% \begin{Verbatim}[listparameters={\topsep=-\ht\strutbox}]
% And this is a complete % with some comments
% Verbatim environment % every now and then
% \end{Verbatim}
% \\ \tabucline-
% \end{tabu*}
% \end{lstlisting}}
%
% {
% \tabulinestyle{on2pt Crimson!60 off2pt yellow!80} \tabulinesep=2mm
% \makeatletter
% \begin{tabu*} spread 0pt {|X[-1]|X|} \tabucline-
% Here a small \Verb+\Verbatim+\par