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+% \iffalse
+%%
+%% Source File: `colortbl.dtx'.
+%% Copyright 1996 1998 1999 David Carlisle
+%%
+%% This file may be distributed under the terms of the LPPL.
+%% See 00readme.txt for details.
+%%
+%
+%<*dtx>
+ \ProvidesFile{colortbl.dtx}
+%</dtx>
+%<package>\NeedsTeXFormat{LaTeX2e}[1995/06/01]
+%<package>\ProvidesPackage{colortbl}
+%<driver>\ProvidesFile{colortbl.drv}
+% \fi
+% \ProvidesFile{colortbl.dtx}
+ [2001/02/13 v0.1j Color table columns (DPC)]
+%
+% \iffalse
+%<*driver>
+\documentclass{ltxdoc}
+\usepackage
+% [debugshow]
+ {colortbl}
+\usepackage{dcolumn,longtable,hhline}
+\setlongtables% in case an old copy of longtable is being used.
+\begin{document}
+\DeleteShortVerb{\|}
+\MakeShortVerb{\"}
+\DocInput{colortbl.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \GetFileInfo{colortbl.dtx}
+% \title{The \textsf{colortbl} package\thanks{This file
+% has version number \fileversion, last
+% revised \filedate.}}
+% \author{David Carlisle}
+% \date{\filedate}
+%
+% \maketitle
+%
+% \CheckSum{941}
+%
+%
+% \begin{abstract}
+% This package implements a flexibable mechanism for giving colured
+% `panels' behind specified columns in a table.
+% This package requires the \textsf{array} and \textsf{color} packages.
+% \end{abstract}
+%
+% \changes{v0.1}{1996/09/20}{First draft}
+% \changes{v0.1a}{1996/09/21}{Started documentation in doc format}
+% \changes{v0.1b}{1996/09/22}
+% {New scheme: redefine \cs{@classz} rather than just
+% simple \cs{newcolumntype} definition.}
+% \changes{v0.1c}{1996/09/24}
+% {Make overhang arguments optional (suggestion of S. Rahtz).}
+% \changes{v0.1d}{1996/10/05}
+% {\cs{rowcolor} added to make S. Rahtz happy.}
+% \changes{v0.1d}{1996/10/05}
+% {Add \cs{hline} \cs{hhline} and \cs{longtable} support
+% to make S. Rahtz even happier.}
+% \changes{v0.1e}{1996/10/06}
+% {Minor cleanup.}
+% \changes{v0.1f}{1996/10/10}
+% {Better \cs{hhline} and support nested constructs}
+% \changes{v0.1f}{1996/10/12}
+% {0.1f, first public version, had a missing percent....}
+% \changes{v0.1i}{1999/03/24}
+% {LPPL}
+% \changes{v0.1j}{2001/02/13}{\cs{cellcolor} (Donald Arseneau)}
+%
+% \section{Introduction}
+%
+% This package is for colouring tables (i.e., giving coloured panels
+% behind column entries). In that it has many similarities with
+% Timothy Van Zandt's \textsf{colortab} package. The internal
+% implementation is quite different though, also \textsf{colortab}
+% works with the table constructs of other formats besides \LaTeX.
+% This package requires \LaTeX\ (and its \textsf{color} and
+% \textsf{array} packages).
+%
+% First, a standard \textsf{tabular}, for comparison.
+% \begin{center}
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+% \begin{tabular}{|l|c|}
+% one&two\\
+% three&four
+% \end{tabular}
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{|l|c|}
+% one&two\\
+% three&four
+% \end{tabular}}
+% \end{center}
+%
+% \section{ The \cs{columncolor} command}
+%
+% The examples below demonstrate various possibilities of the
+% "\columncolor" command introduced by this package. The vertical rules
+% specified by "|" are kept in all the examples, to make the column
+% positioning clearer, although possibly you would not want coloured
+% panels \emph{and} vertical rules in practice.
+%
+% The package supplies a "\columncolor" command, that should (only) be
+% used in the argument of a ">" column specifier, to add a coloured
+% panel behind the specified column. It can be used in the main
+% `preamble' argument of \textsf{array} or \textsf{tabular}, and also in
+% "\multicolumn" specifiers.
+%
+% The basic format is:\\
+% "\columncolor"\oarg{color model}\marg{colour}
+% \oarg{left overhang}\oarg{right overhang}
+%
+% The first argument (or first two if the optional argument is used)
+% are standard \textsf{color} package arguments, as used by "\color".
+%
+% The last two arguments control how far the panel overlaps past the
+% widest entry in the column.
+% If the \emph{right overhang} argument is omitted then it defaults to
+% \emph{left overhang}. If they are both omitted they default to
+% "\tabcolsep" (in \textsf{tabular}) or "\arraycolsep"
+% (in \textsf{array}).
+%
+% If the overhangs are both set to "0pt" then the effect is:
+% \begin{center}
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+%|>{\columncolor[gray]{.8}[0pt]}l|
+%>{\color{white}%
+% \columncolor[gray]{.2}[0pt]}l|
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{%
+% |>{\columncolor[gray]{.8}[0pt]}l|
+% >{\color{white}%
+% \columncolor[gray]{.2}[0pt]}l|
+% }
+% one&two\\
+% three&four
+% \end{tabular}}
+% \end{center}
+% The default overhang of "\tabcolsep" produces:
+%\begin{center}
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+%|>{\columncolor[gray]{.8}}l|
+%>{\color{white}%
+% \columncolor[gray]{.2}}l|
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{%
+% |>{\columncolor[gray]{.8}}l|
+% >{\color{white}%
+% \columncolor[gray]{.2}}l|
+% }
+% one&two\\
+% three&four
+% \end{tabular}}
+% \end{center}
+% You might want something between these two extremes.
+% A value of ".5\tabcolsep" produces the following effect
+% \begin{center}
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+%|>{\columncolor[gray]{.8}[.5\tabcolsep]}l|
+% >{\color{white}%
+% \columncolor[gray]{.2}[.5\tabcolsep]}l|
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{%
+% |>{\columncolor[gray]{.8}[.5\tabcolsep]}l|
+% >{\color{white}\columncolor[gray]{.2}[.5\tabcolsep]}l|
+% }
+% one&two\\
+% three&four
+% \end{tabular}}
+% \end{center}
+%
+%
+% This package should work with most other packages that are
+% compatible with the \textsf{array} package syntax. In particular it
+% works with \textsf{longtable} and \textsf{dcolumn}
+% as the following example shows.
+%\errorcontextlines10
+% \newcolumntype{A}{%^^A
+% >{\color{white}\columncolor{red}[.5\tabcolsep]%^^A
+% \raggedright}%
+% p{2cm}}
+% \newcolumntype{B}{%^^A
+% >{\columncolor{blue}[.5\tabcolsep]%^^A
+% \color{yellow}\raggedright}
+% p{3cm}}
+% \newcolumntype{E}{%^^A
+% >{\large\bfseries
+% \columncolor{cyan}[.5\tabcolsep]}c}
+% \newcolumntype{F}{%^^A
+% >{\color{white}
+% \columncolor{magenta}[.5\tabcolsep]}c}
+% \newcolumntype{G}{%^^A
+% >{\columncolor[gray]{0.8}[.5\tabcolsep][\tabcolsep]}l}
+% \newcolumntype{H}{>{\columncolor[gray]{0.8}}l}
+%
+%
+%^^A 3.3 (as used in the verbatim text below) is best but
+%^^A needs a June 96 version of dcolumn, so use -1 here.
+% \newcolumntype{C}{%
+% >{\columncolor{yellow}[.5\tabcolsep]}%
+% D{.}{\cdot}{-1}}
+% \newcolumntype{I}{%^^A
+% >{\columncolor[gray]{0.8}[\tabcolsep][.5\tabcolsep]}%^^A
+% D{.}{\cdot}{-1}}
+%
+% \setlength\minrowclearance{2pt}
+% Before starting give a little space: "\setlength\minrowclearance{2pt}"
+%
+% \begin{longtable}{ABC}
+% \multicolumn{3}{E}{A long table example}\\
+% \multicolumn{2}{F}{First two columns}&
+% \multicolumn{1}{F}{Third column}\\
+% \multicolumn{2}{F}{p-type}&
+% \multicolumn{1}{F}{D-type (\textsf{dcolumn})}\endfirsthead
+% \multicolumn{3}{E}{A long table example (continued)}\\
+% \multicolumn{2}{F}{First two columns}&
+% \multicolumn{1}{F}{Third column}\\
+% \multicolumn{2}{F}{p-type}&
+% \multicolumn{1}{F}{D-type (\textsf{dcolumn})}\endhead
+% \multicolumn{3}{E}{Continued\ldots}\endfoot
+% \multicolumn{3}{E}{The End}\endlastfoot
+% P-column&and another one&12.34\\
+% \multicolumn{1}{G}{Total}&
+% \multicolumn{1}{H}{(wrong)}&
+% \multicolumn{1}{I}{100.6}\\
+% Some long text in the first column&bbb&1.2\\
+% aaa&and some long text in the second column&1.345\\
+% \multicolumn{1}{G}{Total}&
+% \multicolumn{1}{H}{(wrong)}&
+% \multicolumn{1}{I}{100.6}\\
+% aaa&bbb&1.345\\
+% Note that the coloured rules in all columns stretch to accomodate
+% large entries in one column. &bbb&1.345\\
+% aaa&bbb&100\\
+% aaa&Depending on your driver you may get unsightly gaps or lines
+% where the `screens' used to produce different shapes interact
+% badly. You may want to cause adjacent panels of the same colour by
+% specifying a larger overhang
+% or by adding some negative space (in a "\noalign" between rows.&12.4\\
+% aaa&bbb&45.3\\
+% \end{longtable}
+%
+% This
+% example shows rather poor taste but is quite colourful!
+% Inspect the source file, "colortbl.dtx", to see the full code for
+% the example, but it uses the following column types.
+%\begin{verbatim}
+% \newcolumntype{A}{%
+% >{\color{white}\columncolor{red}[.5\tabcolsep]%
+% \raggedright}%
+% p{2cm}}
+% \newcolumntype{B}{%
+% >{\columncolor{blue}[.5\tabcolsep]%
+% \color{yellow}\raggedright}
+% p{3cm}}
+% \newcolumntype{C}{%
+% >{\columncolor{yellow}[.5\tabcolsep]}%
+% D{.}{\cdot}{3.3}}
+% \newcolumntype{E}{%
+% >{\large\bfseries
+% \columncolor{cyan}[.5\tabcolsep]}c}
+% \newcolumntype{F}{%
+% >{\color{white}
+% \columncolor{magenta}[.5\tabcolsep]}c}
+% \newcolumntype{G}{%
+% >{\columncolor[gray]{0.8}[.5\tabcolsep][\tabcolsep]}l}
+% \newcolumntype{H}{>{\columncolor[gray]{0.8}}l}
+% \newcolumntype{I}{%
+% >{\columncolor[gray]{0.8}[\tabcolsep][.5\tabcolsep]}%
+% D{.}{\cdot}{3.3}}
+%\end{verbatim}
+%
+% \section{Using the `overhang' arguments for \textsf{tabular*}}
+%
+% The above is all very well for \textsf{tabular}, but what about
+% \textsf{tabular*}?
+%
+% Here the problem is rather harder. Although \TeX's "\leader" mechanism
+% which is used by this package to insert the `stretchy' coloured panels
+% is rather like \emph{glue}, the "\tabskip" glue that is inserted
+% between columns of \textsf{tabular*} (and \textsf{longtable} for that
+% matter) has to be `real glue' and not `leaders'.
+%
+% Within limits the overhang options may be used here. Consider the
+% first table example above. If we use \textsf{tabular*} set to 3\,cm
+% with a preamble setting of
+% \begin{center}
+%\begin{minipage}{.6\textwidth}
+%\begin{verbatim}
+%\begin{tabular*}{3cm}{%
+%@{\extracolsep{\fill}}
+%>{\columncolor[gray]{.8}[0pt][20mm]}l
+%>{\columncolor[gray]{.8}[5mm][0pt]}l
+%@{}}
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular*}{3cm}{%
+% @{\extracolsep{\fill}}
+% >{\columncolor[gray]{.8}[0pt][20mm]}l
+% >{\columncolor[gray]{.8}[5mm][0pt]}l
+% @{}%
+% }
+% one&two\\
+% three&four
+% \end{tabular*}}
+% \end{center}
+%
+% Changing the specified width to 4\,cm works, but don't push your
+% luck to 5\,cm\ldots
+% \begin{center}
+% \bfseries
+% \begin{tabular*}{4cm}{%
+% @{\extracolsep{\fill}}
+% >{\columncolor[gray]{.8}[0pt][20mm]}l
+% >{\columncolor[gray]{.8}[5mm][0pt]}l
+% @{}%
+% }
+% one&two\\
+% three&four
+% \end{tabular*}\hfill
+% \begin{tabular*}{5cm}{%
+% @{\extracolsep{\fill}}
+% >{\columncolor[gray]{.8}[0pt][20mm]}l
+% >{\columncolor[gray]{.8}[5mm][0pt]}l
+% @{}%
+% }
+% one&two\\
+% three&four
+% \end{tabular*}
+% \end{center}
+%
+% \section{The \cs{rowcolor} command}
+%
+% As demonstrated above, one may change the colour of specified rows
+% of a table by the use of "\multicolumn" commands in each entry of
+% the row. However if your table is to be marked principally by
+% \emph{rows}, you may find this rather inconvenient. For this reason
+% a new mechanism, "\rowcolor", has been introduced\footnote{At some
+% cost to the internal complexity of this package}.
+%
+% "\rowcolor" takes the same argument forms as "\columncolor". It must
+% be used at the \emph{start} of a row. If the optional overhang
+% arguments are not used the overhangs will default to the overhangs
+% specified in any "\columncolor" comands for that column, or
+% "\tabcolsep" ("\arraycolsep" in \textsf{array}).
+%
+% If a table entry is in the scope of a "\columncolor" specified in the
+% table preamble, and also a "\rowcolor" at the start of the current
+% row, the colour specified by "\rowcolor" will take effect. A
+% "\multicolumn" command may contain ">{\rowcolor"\ldots\ which will
+% override the default colours for both the current row and column.
+% \begin{center}
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+% \begin{tabular}{|l|c|}
+% \rowcolor[gray]{.9}
+% one&two\\
+% \rowcolor[gray]{.5}
+% three&four
+% \end{tabular}
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{|l|c|}
+% \rowcolor[gray]{.9}
+% one&two\\
+% \rowcolor[gray]{.5}
+% three&four
+% \end{tabular}}
+% \end{center}
+%
+% \section{The \cs{cellcolor} command}
+%
+% A background colour can be applied to a single cell of a table by
+% beginning it with
+% "\multicolumn"\nolinebreak[3]"{1}"\nolinebreak[3]"{>{\rowcolor"\ldots,
+% (or "\columncolor" if no row-colour is in effect) but this has some
+% deficiencies:
+% 1)~It prevents data within the cell from triggering the colouration; \
+% 2)~The alignment specification must be copied from the top of the tabular,
+% which is prone to errors, especially for "p{}" columns; \
+% 3)~"\multicolumn{1}" is just silly. \
+% Therefore, there is the \cs{cellcolor} command, which works like
+% \cs{columncolor} and \cs{rowcolor}, but over-rides both of them;
+% \cs{cellcolor} can be placed anywhere in the tabular cell to which
+% it applies.
+%
+% \section{Colouring rules.}
+%
+% So you want coloured rules as well?
+%
+% One could do vertical rules without any special commands, just use
+% something like "!{\color{green}\vline}" where you'd
+% normally use "|". The space between "||" will normally be left white.
+% If you want to colour that as well, either increase the overhang of
+% the previous column (to
+% "\tabcolsep" + "\arrayrulewidth" + "\doublerulesep")
+% Or remove the inter rule glue, and replace by a coloured rule of the
+% required thickness. So
+%\begin{verbatim}
+%!{\color{green}\vline}
+%@{\color{yellow}\vrule width \doublerulesep}
+%!{\color{green}\vline}
+%\end{verbatim}
+% Should give the same spacing as "||" but more colour.
+%
+% However colouring "\hline" and "\cline" is a bit more tricky, so
+% extra commands are provided (which then apply to vertical rules as
+% well).
+%
+% \section{\cs{arrayrulecolor}}
+% "\arrayrulecolor" takes the same arguments as "\color", and is a
+% global declaration which affects all following horizontal and
+% vertical rules in tables. It may be given outside any table, or at
+% the start of a row, or in a ">" specification in a table preamble.
+% You should note however that if given mid-table it only affects
+% rules that are specified after this point, any vertical rules
+% specified in the preamble will keep their original colours.
+%
+% \section{\cs{doublerulesepcolor}}
+% Having coloured your rules, you'll probably want something other
+% than white to go in the gaps made by "||" or "\hline\hline".
+% "\doublerulesepcolor" works just the same way as "\arrayrulecolor".
+% The main thing to note that if this command is used, then
+% \textsf{longtable} will not `discard' the space between
+% "\hline\hline" at a page break. (\TeX\ has a built-in ability to
+% discard space, but the coloured `space' which is used once
+% "\doublerulesep" is in effect is really a third rule of a different
+% colour to the two outer rules, and rules are rather harder to
+% discard.)
+%
+% \begin{center}
+% \setlength\arrayrulewidth{2pt}\arrayrulecolor{blue}
+% \setlength\doublerulesep{2pt}\doublerulesepcolor{yellow}
+%
+%\begin{minipage}{.75\textwidth}
+%\begin{verbatim}
+%\setlength\arrayrulewidth{2pt}\arrayrulecolor{blue}
+%\setlength\doublerulesep{2pt}\doublerulesepcolor{yellow}
+% \begin{tabular}{||l||c||}
+% \hline\hline
+% one&two\\
+% three&four\\
+% \hline\hline
+% \end{tabular}
+%\end{verbatim}
+%\end{minipage}
+% {\bfseries
+% \begin{tabular}{|l||c||}
+% \hline\hline
+% one&two\\
+% three&four\\
+% \hline\hline
+% \end{tabular}}
+% \end{center}
+%
+% \section{More fun with \cs{hhline}}
+% The above commands work with "\hhline" from the \textsf{hhline}
+% package, however if \textsf{hhline} is loaded in addition to this
+% package, a new possibility is added. You may use ">{"\ldots"}" to add
+% declarations that apply to the following "-" or "=" column rule.
+% In particular you may give "\arrayrulecolor" and
+% "\doublerulesepcolor" declarations in this argument.
+%
+% Most manuals of style warn against over use of rules in tables.
+% I hate to think what they would make of the following rainbow
+% example:
+% \begin{center}
+% \setlength\arrayrulewidth{5pt}
+% \setlength\doublerulesep{5pt}
+% \renewcommand{\arraystretch}{2}
+% \definecolor{orange}{cmyk}{0,0.61,0.87,0}
+% \definecolor{indigo}{cmyk}{0.8,0.9,0,0}
+% \definecolor{violet}{cmyk}{0.6,0.9,0,0}
+% \newcommand\rainbowline[1]{%^^A
+% \hhline{%^^A
+% >{\arrayrulecolor {red}\doublerulesepcolor[rgb]{.3,.3,1}}%^^A
+% |#1:=%^^A
+% >{\arrayrulecolor{orange}\doublerulesepcolor[rgb]{.4,.4,1}}%^^A
+% =%^^A
+% >{\arrayrulecolor{yellow}\doublerulesepcolor[rgb]{.5,.5,1}}%^^A
+% =%^^A
+% >{\arrayrulecolor {green}\doublerulesepcolor[rgb]{.6,.6,1}}%^^A
+% =%^^A
+% >{\arrayrulecolor {blue}\doublerulesepcolor[rgb]{.7,.7,1}}%^^A
+% =%^^A
+% >{\arrayrulecolor{indigo}\doublerulesepcolor[rgb]{.8,.8,1}}%^^A
+% =%^^A
+% >{\arrayrulecolor{violet}\doublerulesepcolor[rgb]{.9,.9,1}}%^^A
+% =:#1|%^^A
+% }}
+% \arrayrulecolor{red}
+% \doublerulesepcolor[rgb]{.3,.3,1}
+% \begin{tabular}{||*7{>{\columncolor[gray]{.9}}c}||}
+% \rainbowline{t}%^^A
+% \arrayrulecolor{violet}\doublerulesepcolor[rgb]{.9,.9,1}
+% Richard&of&York&gave&battle&in&
+% \multicolumn{1}{>{\columncolor[gray]{.9}}c||}{vain}\\
+% \rainbowline{}%^^A
+% 1&2&3&4&5&6&
+% \multicolumn{1}{>{\columncolor[gray]{.9}}c||}{7}\\
+% \rainbowline{b}%^^A
+% \end{tabular}
+% \end{center}
+%\begin{verbatim}
+% \newcommand\rainbowline[1]{%
+% \hhline{%
+% >{\arrayrulecolor {red}\doublerulesepcolor[rgb]{.3,.3,1}}%
+% |#1:=%
+% >{\arrayrulecolor{orange}\doublerulesepcolor[rgb]{.4,.4,1}}%
+% =%
+% >{\arrayrulecolor{yellow}\doublerulesepcolor[rgb]{.5,.5,1}}%
+% =%
+% >{\arrayrulecolor {green}\doublerulesepcolor[rgb]{.6,.6,1}}%
+% =%
+% >{\arrayrulecolor {blue}\doublerulesepcolor[rgb]{.7,.7,1}}%
+% =%
+% >{\arrayrulecolor{indigo}\doublerulesepcolor[rgb]{.8,.8,1}}%
+% =%
+% >{\arrayrulecolor{violet}\doublerulesepcolor[rgb]{.9,.9,1}}%
+% =:#1|%
+% }}
+% \arrayrulecolor{red}
+% \doublerulesepcolor[rgb]{.3,.3,1}%
+% \begin{tabular}{||*7{>{\columncolor[gray]{.9}}c}||}
+% \rainbowline{t}%
+% \arrayrulecolor{violet}\doublerulesepcolor[rgb]{.9,.9,1}
+% Richard&of&York&gave&battle&in&
+% \multicolumn{1}{>{\columncolor[gray]{.9}}c||}{vain}\\
+% \rainbowline{}%
+% 1&2&3&4&5&6&
+% \multicolumn{1}{>{\columncolor[gray]{.9}}c||}{7}\\
+% \rainbowline{b}%
+% \end{tabular}
+%\end{verbatim}
+%
+% \section{Less fun with \cs{cline}}
+% Lines produced by "\cline" are coloured if you use
+% "\arrayrulecolor" but you may not notice as they are covered up by
+% any colour pannels in the following row. This is a `feature' of
+% "\cline". If using this package you would probably better using the
+% "-" rule type in a "\hhline" argument, rather than "\cline".
+%
+% \section{The \cs{minrowclearance} command}
+%
+% As this package has to box and measure every entry to figure out
+% how wide to make the rules, I thought I may as well add the
+% following feature. `Large' entries in tables may touch a preceding
+% "\hline" or the top of a colour panel defined by this style.
+% It is best to increase "\extrarowsep" or "\arraystretch"
+% sufficiently to ensure this doesn't happen, as that will keep the
+% line spacing in the table regular. Sometimes however, you just want
+% to \LaTeX\ to insert a bit of extra space above a large entry.
+% You can set the length "\minrowclearance" to a small value.
+% (The height of a capital letter plus this value should not be
+% greater than the normal height of table rows, else a very uneven
+% table spacing will result.)
+%
+% Donald Arseneau's \textsf{tabls} packages provides a similar
+% "\tablinesep". I was going to give this the same name for
+% compatibility with \textsf{tabls}, but that is implemented quite
+% differently and probably has different behaviour. So I'll keep a new
+% name for now.
+%
+% \StopEventually{}
+%
+% \section{The Code}
+% \begin{macrocode}
+%<*package>
+% \end{macrocode}
+%
+% Nasty hacky way used by all the graphics packages to include debugging
+% code.
+% \begin{macrocode}
+\edef\@tempa{%
+ \noexpand\AtEndOfPackage{%
+ \catcode`\noexpand\^^A\the\catcode`\^^A\relax}}
+\@tempa
+\catcode`\^^A=\catcode`\%
+\DeclareOption{debugshow}{\catcode`\^^A=9 }
+% \end{macrocode}
+%
+% All the other options are handled by the \textsf{color} package.
+% \begin{macrocode}
+\DeclareOption*{\PassOptionsToPackage\CurrentOption{color}}
+\ProcessOptions
+% \end{macrocode}
+%
+% I need these so load them now. Actually Mark Wooding's
+% \textsf{mdwtab} package could probably work instead of \textsf{array},
+% but currently I assume \textsf{array} package internals so\ldots
+% \begin{macrocode}
+\RequirePackage{array,color}
+% \end{macrocode}
+%
+%
+% \begin{macro}{\@classz}
+% "\@classz" is the main function in the \textsf{array} package handling
+% of primitive column types: It inserts the code for each of the column
+% specifiers, `"clrpmb"'. The other classes deal with the other preamble
+% tokens such as `"@" 'or `">"'.
+% \begin{macrocode}
+\def\@classz{\@classx
+ \@tempcnta \count@
+ \prepnext@tok
+% \end{macrocode}
+% At this point the colour specification for the background panel will
+% be in the code for the `">"' specification of this column. This is
+% saved in "\toks\@temptokena" but \textsf{array} will insert it too
+% late (well it would work for "c", but not for "p") so fish the colour
+% stuff out of that token register by hand, and then insert it around
+% the entry.
+%
+% Of course this is a terrible hack. What is really needed is a new
+% column type that inserts stuff in the right place (rather like "!"
+% but without the spacing that that does). The "\newcolumntype"
+% command of \textsf{array} only adds `second class' column types.
+% The re-implementations of "\newcolumntype" in my \textsf{blkarray} or
+% Mark Wooding's \textsf{mdwtab} allow new `first class' column types
+% to be declared, but stick with \textsf{array} for now. This means we
+% have to lift the stuff out of the register before the register gets
+% emptied in the wrong place.
+% \begin{macrocode}
+\expandafter\CT@extract\the\toks\@tempcnta\columncolor!\@nil
+% \end{macrocode}
+% Save the entry into a box (using a double group for colour safety as
+% usual).
+% \begin{macrocode}
+ \@addtopreamble{%
+ \setbox\z@\hbox\bgroup\bgroup
+ \ifcase \@chnum
+% \end{macrocode}
+% "c" code: This used to use twice as much glue as "l" and "r" (1fil
+% on each side). Now modify it to use 1fill total. Also increase the
+% order from 1fil to 1fill to dissuade people from putting stretch glue
+% in table entries.
+% \begin{macrocode}
+ \hskip\stretch{.5}\kern\z@
+ \d@llarbegin
+ \insert@column
+ \d@llarend\hskip\stretch{.5}\or
+% \end{macrocode}
+% "l" and "r" as before, but using fill glue.
+% \begin{macrocode}
+ \d@llarbegin \insert@column \d@llarend \hfill \or
+ \hfill\kern\z@ \d@llarbegin \insert@column \d@llarend \or
+% \end{macrocode}
+% "m", "p" and "b" as before.
+% \begin{macrocode}
+ $\vcenter
+ \@startpbox{\@nextchar}\insert@column \@endpbox $\or
+ \vtop \@startpbox{\@nextchar}\insert@column \@endpbox \or
+ \vbox \@startpbox{\@nextchar}\insert@column \@endpbox
+ \fi
+% \end{macrocode}
+% Close the box register assignment.
+% \begin{macrocode}
+ \egroup\egroup
+% \end{macrocode}
+% \changes{v0.1d}{1996/10/05}
+% {add \cs{CT@row@color} to support \cs{rowcolor}}
+% The main new stuff.
+% \begin{macrocode}
+\begingroup
+% \end{macrocode}
+% Initalise colour command and overhands.
+% \begin{macrocode}
+ \CT@setup
+% \end{macrocode}
+% Run any code resulting from "\columncolor" commands.
+% \begin{macrocode}
+ \CT@column@color
+% \end{macrocode}
+% Run code from "\rowcolor" (so this takes precedence over
+% "\columncolor").
+% \begin{macrocode}
+ \CT@row@color
+% \end{macrocode}
+% Run code from "\cellcolor" (so this takes precedence over
+% both "\columncolor" and "\rowcolor").
+% \begin{macrocode}
+ \CT@cell@color
+% \end{macrocode}
+% This is "\relax" unless one of the three previous commands has requested
+% a colour, in which case it will be "\CT@@do@color" which will insert
+% "\leaders" of appropriate colour.
+% \begin{macrocode}
+ \CT@do@color
+\endgroup
+% \end{macrocode}
+% Nothing to do with colour this bit, since we are boxing and measuring
+% the entry anyway may as well check the height, so that large entries
+% don't bump into horizontal rules (or the top of the colour panels).
+% \begin{macrocode}
+ \@tempdima\ht\z@
+ \advance\@tempdima\minrowclearance
+ \vrule\@height\@tempdima\@width\z@
+% \end{macrocode}
+% It would be safer to leave this boxed, but unboxing allows some
+% flexibilty. However the total glue stretch should either be finite
+% or fil (which will be ignored). There may be fill glue (which will not
+% be ignored) but it should \emph{total 0fill}. If this box contributes
+% fill glue, then the leaders will not reach the full width of the
+% entry. In the case of "\multicolumn" entries it is actually possible
+% for this box to contribute \emph{shrink} glue, in which case the
+% coloured panel for that entry will be too wide. Tough luck.
+% \begin{macrocode}
+ \unhbox\z@}%
+% \end{macrocode}
+%
+% \begin{macrocode}
+ \prepnext@tok}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@setup}
+% Initialise the overhang lengths and the colour command.
+% \begin{macrocode}
+\def\CT@setup{%
+ \@tempdimb\col@sep
+ \@tempdimc\col@sep
+ \def\CT@color{%
+ \global\let\CT@do@color\CT@@do@color
+ \color}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@@do@color}
+% The main point of the package: Add the colour panels.
+%
+% Add a leader of the specified colour, with natural width the
+% width of the entry plus the specified overhangs and 1fill stretch.
+% Surround by negative kerns so total natural width is not affected by
+% overhang.
+% \begin{macrocode}
+\def\CT@@do@color{%
+ \global\let\CT@do@color\relax
+ \@tempdima\wd\z@
+ \advance\@tempdima\@tempdimb
+ \advance\@tempdima\@tempdimc
+ \kern-\@tempdimb
+ \leaders\vrule
+% \end{macrocode}
+% For quick debugging with xdvi (which can't do colours). Limit the size
+% of the rule, so I can see the text as well.
+% \begin{macrocode}
+^^A \@height\p@\@depth\p@
+% \end{macrocode}
+%
+% \begin{macrocode}
+ \hskip\@tempdima\@plus 1fill
+ \kern-\@tempdimc
+% \end{macrocode}
+% Now glue to exactly compensate for the leaders.
+% \begin{macrocode}
+ \hskip-\wd\z@ \@plus -1fill }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@extract}
+% Now the code to extract the "\columncolor" commands.
+% \begin{macrocode}
+\def\CT@extract#1\columncolor#2#3\@nil{%
+ \if!#2%
+% \end{macrocode}
+% "!" is a fake token inserted at the end.
+% \begin{macrocode}
+ \let\CT@column@color\@empty
+ \else
+% \end{macrocode}
+% If there was an optional argument
+% \begin{macrocode}
+ \if[#2%
+ \CT@extractb{#1}#3\@nil
+ \else
+% \end{macrocode}
+% No optional argument
+% \begin{macrocode}
+ \def\CT@column@color{%
+ \CT@color{#2}}%
+ \CT@extractd{#1}#3\@nil
+ \fi
+ \fi}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@extractb}
+% Define "\CT@column@color" to add the right colour, and save the
+% overhang lengths. Finally reconstitute the saved `">"' tokens,
+% without the colour specification.
+% First grab the colour spec, with optional arg.
+% \begin{macrocode}
+\def\CT@extractb#1#2]#3{%
+ \def\CT@column@color{%
+ \CT@color[#2]{#3}}%
+ \CT@extractd{#1}}%
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@extractd}
+% Now look for left-overhang (default to "\col@sep").
+% \begin{macrocode}
+\def\CT@extractd#1{\@testopt{\CT@extracte{#1}}\col@sep}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@extracte}
+% Same for right-overhang (default to left-overhang).
+% \begin{macrocode}
+\def\CT@extracte#1[#2]{\@testopt{\CT@extractf{#1}[#2]}{#2}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@extractf}
+% Add the overhang info to "\CT@do@color", for excuting later.
+% \begin{macrocode}
+\def\CT@extractf#1[#2][#3]#4\columncolor#5\@nil{%
+ \@tempdimb#2\relax
+ \@tempdimc#3\relax
+ \edef\CT@column@color{%
+ \CT@column@color
+ \@tempdimb\the\@tempdimb\@tempdimc\the\@tempdimc\relax}%
+ \toks\@tempcnta{#1#4}}%
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\CT@everycr}
+% Steal "\everypar" to initialise row colours
+% \begin{macrocode}
+\let\CT@everycr\everycr
+\newtoks\everycr
+\CT@everycr{\noalign{\global\let\CT@row@color\relax}\the\everycr}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@start}
+% \changes{v0.1f}{1996/10/10}
+% {Nested support for \cs{rowcolor} (prompted by Denis Girou)}
+%
+% \begin{macrocode}
+\def\CT@start{%
+ \let\CT@arc@save\CT@arc@
+ \let\CT@drsc@save\CT@drsc@
+ \let\CT@row@color@save\CT@row@color
+ \let\CT@cell@color@save\CT@cell@color
+ \global\let\CT@cell@color\relax}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@end}
+% \begin{macrocode}
+\def\CT@end{%
+ \global\let\CT@arc@\CT@arc@save
+ \global\let\CT@drsc@\CT@drsc@save
+ \global\let\CT@row@color\CT@row@color@save
+ \global\let\CT@cell@color\CT@cell@color@save}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\shortstack}
+% "\shortstack"
+% \begin{macrocode}
+\gdef\@ishortstack#1{%
+ \CT@start\ialign{\mb@l {##}\unskip\mb@r\cr #1\crcr}\CT@end\egroup}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@tabarray}
+% \textsf{array} and \textsf{tabular} (delayed for \textsf{delarray})
+% \begin{macrocode}
+\AtBeginDocument{%
+ \expandafter\def\expandafter\@tabarray\expandafter{%
+ \expandafter\CT@start\@tabarray}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\endarray}
+% \begin{macrocode}
+\def\endarray{\crcr \egroup \egroup \gdef\@preamble{}\CT@end}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\multicolumn}
+% "\multicolumn"
+% \begin{macrocode}
+\def\multicolumn#1#2#3{%
+ \multispan{#1}\begingroup
+ \def\@addamp{\if@firstamp \@firstampfalse \else
+ \@preamerr 5\fi}%
+ \@mkpream{#2}\@addtopreamble\@empty
+ \endgroup
+ \def\@sharp{#3}%
+ \let\CT@cell@color\relax
+ \let\CT@row@color\relax
+ \let\CT@column@color\relax
+ \let\CT@do@color\relax
+ \@arstrut \@preamble
+ \null
+ \ignorespaces}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\@classvi}
+% Coloured rules and rule separations.
+% \begin{macrocode}
+\def\@classvi{\ifcase \@lastchclass
+ \@acol \or
+ \ifx\CT@drsc@\relax
+ \@addtopreamble{\hskip\doublerulesep}%
+ \else
+ \@addtopreamble{{\CT@drsc@\vrule\@width\doublerulesep}}%
+ \fi\or
+ \@acol \or
+ \@classvii
+ \fi}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\doublerulesepcolor}
+% \begin{macrocode}
+\def\doublerulesepcolor#1#{\CT@drs{#1}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@drs}
+% \begin{macrocode}
+\def\CT@drs#1#2{%
+ \ifdim\baselineskip=\z@\noalign\fi
+ {\gdef\CT@drsc@{\color#1{#2}}}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@drsc@}
+% \begin{macrocode}
+\let\CT@drsc@\relax
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\arrayrulecolor}
+% \begin{macrocode}
+\def\arrayrulecolor#1#{\CT@arc{#1}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@arc}
+% \begin{macrocode}
+\def\CT@arc#1#2{%
+ \ifdim\baselineskip=\z@\noalign\fi
+ {\gdef\CT@arc@{\color#1{#2}}}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@arc@}
+% \begin{macrocode}
+\let\CT@arc@\relax
+% \end{macrocode}
+% \end{macro}
+%
+% hline
+%
+% \begin{macro}{\@arrayrule}
+% \begin{macrocode}
+\def\@arrayrule{\@addtopreamble {{\CT@arc@\vline}}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\hline}
+% \begin{macrocode}
+\def\hline{%
+ \noalign{\ifnum0=`}\fi
+ \let\hskip\vskip
+ \let\vrule\hrule
+ \let\@width\@height
+ {\CT@arc@\vline}%
+ \futurelet
+ \reserved@a\@xhline}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@xhline}
+% \begin{macrocode}
+\def\@xhline{\ifx\reserved@a\hline
+ {\ifx\CT@drsc@\relax
+ \vskip
+ \else
+ \CT@drsc@\hrule\@height
+ \fi
+ \doublerulesep}%
+ \fi
+ \ifnum0=`{\fi}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\cline}
+% "\cline" doesn't really work, as it comes behind the coloured panels,
+% but at least make it the right colour (the bits you can see, anyway).
+% \begin{macrocode}
+\def\@cline#1-#2\@nil{%
+ \omit
+ \@multicnt#1%
+ \advance\@multispan\m@ne
+ \ifnum\@multicnt=\@ne\@firstofone{&\omit}\fi
+ \@multicnt#2%
+ \advance\@multicnt-#1%
+ \advance\@multispan\@ne
+ {\CT@arc@\leaders\hrule\@height\arrayrulewidth\hfill}%
+ \cr
+ \noalign{\vskip-\arrayrulewidth}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\minrowclearance}
+% The row height fudge length.
+% \begin{macrocode}
+\newlength\minrowclearance
+\minrowclearance=0pt
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@mkpream}
+% While expanding the preamble \textsf{array} passes tokens through an
+% "\edef". It doesn't use "\protect"ion as it thinks it has full control
+% at that point. As the redefinition above adds "\color", I need to add
+% that to the list of commands made safe.
+% \begin{macrocode}
+\expandafter\def\expandafter\@mkpream\expandafter#\expandafter1%
+ \expandafter{%
+ \expandafter\let\expandafter\CT@setup\expandafter\relax
+ \expandafter\let\expandafter\CT@color\expandafter\relax
+ \expandafter\let\expandafter\CT@do@color\expandafter\relax
+ \expandafter\let\expandafter\color\expandafter\relax
+ \expandafter\let\expandafter\CT@column@color\expandafter\relax
+ \expandafter\let\expandafter\CT@row@color\expandafter\relax
+ \expandafter\let\expandafter\CT@cell@color\expandafter\relax
+ \@mkpream{#1}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@do@color}
+% For similar reasons, need to make this non-expandable
+% \begin{macrocode}
+\let\CT@do@color\relax
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\rowcolor}
+% \changes{v0.1f}{1996/10/10}
+% {Add \cs{noalign} (Denis Girou)}
+% \begin{macrocode}
+\def\rowcolor{%
+ \noalign{\ifnum0=`}\fi
+ \global\let\CT@do@color\CT@@do@color
+ \@ifnextchar[\CT@rowa\CT@rowb}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@rowa}
+% \begin{macrocode}
+\def\CT@rowa[#1]#2{%
+ \gdef\CT@row@color{\CT@color[#1]{#2}}%
+ \CT@rowc}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@rowb}
+% \begin{macrocode}
+\def\CT@rowb#1{%
+ \gdef\CT@row@color{\CT@color{#1}}%
+ \CT@rowc}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@rowc}
+% \begin{macrocode}
+\def\CT@rowc{%
+ \@ifnextchar[\CT@rowd{\ifnum`{=0\fi}}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@rowd}
+% \begin{macrocode}
+\def\CT@rowd[#1]{\@testopt{\CT@rowe[#1]}{#1}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CT@rowe}
+% \changes{v0.1h}{1998/05/06}
+% {Fix typo in \cs{ifnum} (Robin F.)}
+% \begin{macrocode}
+\def\CT@rowe[#1][#2]{%
+ \@tempdimb#1%
+ \@tempdimc#2%
+ \xdef\CT@row@color{%
+ \expandafter\noexpand\CT@row@color
+ \@tempdimb\the\@tempdimb
+ \@tempdimc\the\@tempdimc
+ \relax}%
+ \ifnum0=`{\fi}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\cellcolor}
+% "\cellcolor" applies the specified colour to just its own tabular cell.
+% It is defined robust, but without using "\DeclareRobustCommand" or
+% "\newcommand{}[][]" because those forms are not used elsewhere, and
+% would not work in \emph{very} old \LaTeX.
+% \begin{macrocode}
+\edef\cellcolor{\noexpand\protect
+ \expandafter\noexpand\csname cellcolor \endcsname}
+\@namedef{cellcolor }{%
+ \@ifnextchar[{\CT@cellc\@firstofone}{\CT@cellc\@gobble[]}%
+}
+\def\CT@cellc#1[#2]#3{%
+ \expandafter\gdef\expandafter\CT@cell@color\expandafter{%
+ \expandafter\CT@color#1{[#2]}{#3}%
+ \global\let\CT@cell@color\relax
+}}
+\global\let\CT@cell@color\relax
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\DC@endright}
+% \textsf{dcolumn} support. the "D" column sometimes internally converts
+% a "c" column to an "r" one by squashing the supplied glue. This is bad
+% news for this package, so redefine it to add negative glue to one
+% side and positive to the other to keep the total added zero.
+% \begin{macrocode}
+\AtBeginDocument{%
+ \def\@tempa{$\hfil\egroup\box\z@\box\tw@}%
+ \ifx\@tempa\DC@endright
+% \end{macrocode}
+%
+% New version of \textsf{dcolumn}, only want to fudge it
+% in the "D{.}{.}{3}" case, not the new "D{.}{.}{3.3}" possibility.
+% "\hfill" has already been inserted, so need to remove 1fill's worth
+% of stretch.
+% \begin{macrocode}
+ \def\DC@endright{%
+ $\hfil\egroup
+ \ifx\DC@rl\bgroup
+ \hskip\stretch{-.5}\box\z@\box\tw@\hskip\stretch{-.5}%
+ \else
+ \box\z@\box\tw@
+ \fi}%
+ \else
+ \def\@tempa{$\hfil\egroup\hfill\box\z@\box\tw@}%
+ \ifx\@tempa\DC@endright
+% \end{macrocode}
+%
+% Old \textsf{dcolumn} code.
+% \begin{macrocode}
+ \def\DC@endright{%
+ $\hfil\egroup%
+ \hskip\stretch{.5}\box\z@\box\tw@\hskip\stretch{-.5}}%
+ \fi
+ \fi}
+% \end{macrocode}
+% \end{macro}
+%
+% hhline support (almost the whole package, repeated, sigh).
+% \begin{macrocode}
+\AtBeginDocument{%
+ \ifx\hhline\@undefined\else
+\def\HH@box#1#2{\vbox{{%
+ {\CT@drsc@\dimen@\tw@\arrayrulewidth
+ \advance\dimen@\doublerulesep
+ \hrule \@height\dimen@
+ \vskip-\dimen@}%
+ \CT@arc@
+ \hrule \@height \arrayrulewidth \@width #1
+ \vskip\doublerulesep
+ \hrule \@height \arrayrulewidth \@width #2}}}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\def\HH@loop{%
+ \ifx\@tempb`\def\next##1{\the\toks@\cr}\else\let\next\HH@let
+ \ifx\@tempb|\if@tempswa
+ \ifx\CT@drsc@\relax
+ \HH@add{\hskip\doublerulesep}%
+ \else
+ \HH@add{{\CT@drsc@\vrule\@width\doublerulesep}}%
+ \fi
+ \fi\@tempswatrue
+ \HH@add{{\CT@arc@\vline}}\else
+ \ifx\@tempb:\if@tempswa
+ \ifx\CT@drsc@\relax
+ \HH@add{\hskip\doublerulesep}%
+ \else
+ \HH@add{{\CT@drsc@\vrule\@width\doublerulesep}}%
+ \fi
+ \fi\@tempswatrue
+ \HH@add{\@tempc\HH@box\arrayrulewidth\arrayrulewidth\@tempc}\else
+ \ifx\@tempb##\if@tempswa\HH@add{\hskip\doublerulesep}\fi\@tempswatrue
+ \HH@add{{\CT@arc@\vline\copy\@ne\@tempc\vline}}\else
+ \ifx\@tempb~\@tempswafalse
+ \if@firstamp\@firstampfalse\else\HH@add{&\omit}\fi
+ \ifx\CT@drsc@\relax
+ \HH@add{\hfil}\else
+ \HH@add{{%
+\CT@drsc@\leaders\hrule\@height\doublerulesep\hfil}}%
+ \fi
+ \else
+ \ifx\@tempb-\@tempswafalse
+ \if@firstamp\@firstampfalse\else\HH@add{&\omit}\fi
+ \HH@add{{%
+ \CT@arc@\leaders\hrule\@height\arrayrulewidth\hfil}}%
+ \else
+ \ifx\@tempb=\@tempswafalse
+ \if@firstamp\@firstampfalse\else\HH@add{&\omit}\fi
+ \HH@add
+ {\rlap{\copy\@ne}\leaders\copy\@ne\hfil\llap{\copy\@ne}}\else
+% \end{macrocode}
+% \changes{v0.1f}{1996/10/10}
+% {Remove backspacing for t and b in \cs{hhline}}
+% Stop the backspacing for "t" and "b", it messes up the underlying
+% colour.
+% \begin{macrocode}
+ \ifx\@tempb t\HH@add{\HH@box\doublerulesep\z@}\@tempswafalse\else
+ \ifx\@tempb b\HH@add{\HH@box\z@\doublerulesep}\@tempswafalse\else
+ \ifx\@tempb>\def\next##1##2{%
+ \HH@add{%
+ {\baselineskip\p@\relax
+ ##2%
+ \global\setbox\@ne\HH@box\doublerulesep\doublerulesep}}%
+ \HH@let!}\else
+ \PackageWarning{hhline}%
+ {\meaning\@tempb\space ignored in \noexpand\hhline argument%
+ \MessageBreak}%
+ \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi
+ \next}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\fi}
+% \end{macrocode}
+%
+%
+% longtable support.
+% \begin{macrocode}
+\AtBeginDocument{
+ \ifx\longtable\@undefined\else
+ \def\LT@@hline{%
+ \ifx\LT@next\hline
+ \global\let\LT@next\@gobble
+ \ifx\CT@drsc@\relax
+ \gdef\CT@LT@sep{%
+ \noalign{\penalty-\@medpenalty\vskip\doublerulesep}}%
+ \else
+ \gdef\CT@LT@sep{%
+ \multispan\LT@cols{%
+ \CT@drsc@\leaders\hrule\@height\doublerulesep\hfill}\cr}%
+ \fi
+ \else
+ \global\let\LT@next\empty
+ \gdef\CT@LT@sep{%
+ \noalign{\penalty-\@lowpenalty\vskip-\arrayrulewidth}}%
+ \fi
+ \ifnum0=`{\fi}%
+ \multispan\LT@cols
+ {\CT@arc@\leaders\hrule\@height\arrayrulewidth\hfill}\cr
+ \CT@LT@sep
+ \multispan\LT@cols
+ {\CT@arc@\leaders\hrule\@height\arrayrulewidth\hfill}\cr
+ \noalign{\penalty\@M}%
+ \LT@next}
+ \fi}
+% \end{macrocode}
+%
+%
+% \begin{macrocode}
+%</package>
+% \end{macrocode}
+%
+% \Finale
+%
diff --git a/Master/texmf-dist/source/latex/colortbl/colortbl.ins b/Master/texmf-dist/source/latex/colortbl/colortbl.ins
new file mode 100644
index 00000000000..6a2a99c3d01
--- /dev/null
+++ b/Master/texmf-dist/source/latex/colortbl/colortbl.ins
@@ -0,0 +1,5 @@
+\def\batchfile{colortbl.ins}
+\input docstrip
+\preamble
+\endpreamble
+\generate{\file{colortbl.sty}{\from{colortbl.dtx}{package}}}