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+% \iffalse meta-comment
+%
+% powerdot class by Hendri Adriaens and Christopher Ellison.
+%
+% Extract package files and create documentation:
+%   Find powerdot.dtx
+%   latex powerdot.dtx
+%   latex powerdot.dtx
+%   bibtex powerdot
+%   makeindex -s gglo.ist -o powerdot.gls powerdot.glo
+%   makeindex -s gind.ist -o powerdot.ind powerdot.idx
+%   latex powerdot.dtx
+%   latex powerdot.dtx
+%
+% If you also want to generate the source code documentation,
+% remove \OnlyDescription from the preamble of powerdot.dtx
+% prior to compiling the source.
+%
+% To generate style examples, do
+% (after extracting powerdot-styleexample.tex):
+%   latex "\def\style{default}\input{powerdot-styleexample}"
+%   latex "\def\style{default}\input{powerdot-styleexample}"
+%   dvips -i powerdot-styleexample -o powerdot-styleexample-default.ps
+% Do this for all available styles (replace `default' by any
+% other style name) to generate .001 and .002 files which
+% will be included by the documentation.
+%
+%% ----------------------------------------------------------
+%% Copyright (C) 2005 Hendri Adriaens and Christopher Ellison
+%% ----------------------------------------------------------
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2003/12/01 or later.
+%%
+%% This work has the LPPL maintenance status "maintained".
+%%
+%% This Current Maintainer of this work is Christopher Ellison.
+%%
+%% This work consists of all files listed in manifest.txt.
+%%
+% \fi
+%
+% \iffalse
+%<*batchfile>
+\begingroup
+\input docstrip
+\keepsilent
+\preamble
+\endpreamble
+\askforoverwritefalse
+\generate{
+  \file{powerdot.cls}{\from{powerdot.dtx}{powerdot}}
+  \file{powerdot-default.sty}{\from{powerdot.dtx}{pddefault}}
+  \file{powerdot-tycja.sty}{\from{powerdot.dtx}{pdtycja}}
+  \file{powerdot-ikeda.sty}{\from{powerdot.dtx}{pdikeda}}
+  \file{powerdot-fyma.sty}{\from{powerdot.dtx}{pdfyma}}
+  \file{powerdot-simple.sty}{\from{powerdot.dtx}{pdsimple}}
+  \file{powerdot-ciment.sty}{\from{powerdot.dtx}{pdciment}}
+  \file{powerdot-elcolors.sty}{\from{powerdot.dtx}{pdelcolors}}
+  \file{powerdot-aggie.sty}{\from{powerdot.dtx}{pdaggie}}
+  \file{powerdot-husky.sty}{\from{powerdot.dtx}{pdhusky}}
+  \file{powerdot-sailor.sty}{\from{powerdot.dtx}{pdsailor}}
+  \file{powerdot-upen.sty}{\from{powerdot.dtx}{pdupen}}
+  \file{powerdot-bframe.sty}{\from{powerdot.dtx}{pdbframe}}
+  \file{powerdot-styletest.tex}{\from{powerdot.dtx}{pdstyletest}}
+  \file{powerdot-styleexample.tex}{\from{powerdot.dtx}{pdstyleexample}}
+  \file{powerdot-example1.tex}{\from{powerdot.dtx}{pdexample1}}
+  \file{powerdot-example2.tex}{\from{powerdot.dtx}{pdexample2}}
+  \file{pdpream.ble}{\from{powerdot.dtx}{preamble}}
+  \file{powerdot.bib}{\from{powerdot.dtx}{bib}}
+}
+\endgroup
+%</batchfile>
+%<*driver>
+\documentclass[a4paper]{ltxdoc}
+\input{pdpream.ble}
+\OnlyDescription
+%\EnableCrossrefs
+\def\fileversion{v1.2}
+\def\filedate{2005/10/09}
+\begin{document}
+\DocInput{powerdot.dtx}
+\let\Section\section\def\section*#1{\Section*{#1}\addcontentsline{toc}{section}{#1}}
+\bibliographystyle{plain}
+\bibliography{powerdot}
+\section*{Acknowledgements}
+The authors are grateful to Mael Hill\'ereau for contributing the
+\LyX\ layout file and description. Further, we like to thank all
+style contributors (see section~\ref{sec:styles}). Moreover, we wish
+to thanks everyone who contributed to this
+package in any other way.\\[1em]
+\hspace*{\stretch{1}}
+\begin{minipage}{.9\linewidth}
+Ramon van den Akker, Pavel Cizek, Darren Dale, Andr\'as Horv\'ath,
+Laurent Jacques, Akira Kakuto, Thomas Koepsell, Theo Stewart and
+Herbert Vo\ss.
+\end{minipage}
+\hspace*{\stretch{1}}\\[1em]
+We hope not to have forgotten anyone.
+
+\PrintChangesX\PrintIndexX
+\end{document}
+%</driver>
+% \fi
+%
+% \changes{v1.0}{2005/09/04}{Initial release}
+% \changes{v1.1}{2005/09/19}{Fixed some small bugs}
+% \changes{v1.1}{2005/09/19}{Added \texttt{tocsecindent} and
+%   \texttt{tocslideindent} options}
+% \changes{v1.1}{2005/09/19}{Added \pf{elcolors}, \pf{aggie}, \pf{husky}
+%   and \pf{sailor} styles}
+% \changes{v1.1}{2005/09/19}{Changed \texttt{size\protect\equals 10}
+%   to \texttt{size\protect\equals 10pt}}
+% \changes{v1.1}{2005/09/19}{Added \LyX\ layout, description and example}
+% \changes{v1.1}{2005/09/19}{Added graphical examples of styles to documentation}
+% \changes{v1.1}{2005/09/19}{Improved section title handling}
+% \changes{v1.1}{2005/09/19}{\texttt{blackslide} options adds hyperlink
+%   to slide and section titles}
+% \changes{v1.1}{2005/09/19}{Extended FAQ}
+% \changes{v1.1}{2005/09/19}{Improved \pf{tycja}, \pf{ciment} and \pf{fyma} styles}
+% \changes{v1.2}{2005/10/09}{Added \pf{upen} and \pf{bframe} styles}
+% \changes{v1.2}{2005/10/09}{Solved some small bugs}
+% \changes{v1.2}{2005/10/09}{Simplified coding of most styles}
+% \changes{v1.2}{2005/10/09}{Speeded up compilations}
+%
+% \CheckSum{2426}
+%
+% \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         \~}
+%
+%\title{\vspace*{-2cm}\mktitledecor The \pf{powerdot} class
+%\thanks{This class can be downloaded from the CTAN mirrors:
+%\texttt{/macros/latex/contrib/powerdot}. See \texttt{powerdot.dtx} for
+%information on installing \pf{powerdot} into your \LaTeX\
+%distribution and for the license of this class.}}
+%\author{Hendri Adriaens\and Christopher Ellison}
+%\date{\fileversion\ (\filedate)}
+%\maketitle
+%
+%\begin{abstract}\noindent
+%\pf{powerdot} is a presentation class for \LaTeX\ that allows for
+%the quick and easy development of professional presentations. It
+%comes with many tools that enhance presentations and aid the
+%presenter. Examples are automatic overlays, personal notes and a
+%handout mode. To view a presentation, DVI, PS or PDF output can be
+%used. A powerful template system is available to easily develop new
+%styles. A \LyX\ layout file is provided.
+%\end{abstract}
+%
+%\begin{multicols}{2}
+%[\section*{Contents}
+%\setlength{\columnseprule}{.4pt}
+%\setlength{\columnsep}{18pt}]
+%\tableofcontents
+%\end{multicols}
+%
+%\newpage
+%\section{Introduction}\label{sec:intro}
+%This class gives you the possibility to easily create professionally
+%looking slides. The class is designed to make the development of
+%presentations as simple as possible so that you can concentrate on
+%the actual content instead of keeping yourself busy with technical
+%details. Of course, some knowledge of \LaTeX\ is still required
+%though.
+%
+%This class builds on and extends the \pf{prosper} class
+%\cite{prosper} and the \pf{HA-prosper} package \cite{HA-prosper}.
+%The \pf{HA-prosper} package was initially intended to extend
+%\pf{prosper} and correct some bugs and problems of that class. As
+%developments on that package progressed, it was found that
+%unfortunately, not all of the problems could be overcome with the
+%package. That discovery was the start of a new project set up to
+%make a new class to replace the \pf{prosper} plus \pf{HA-prosper}
+%combination. You're currently reading the result of that project.
+%
+%The remainder of this section will be devoted to giving a feel of
+%what the \pf{powerdot} presentation source looks like and giving an
+%overview of this documentation.
+%
+%The document structure of a presentation is always the same. You can
+%find it in the example below.
+%
+%\begin{example}
+% \documentclass[<class options>]{powerdot}
+% \pdsetup{<presentation options>}
+% \begin{document}
+%   \begin{slide}{a slide}
+%     Contents of the slide.
+%   \end{slide}
+%   \section{first section}
+%   \begin{slide}[<slide options>]{another slide}
+%     Contents of the slide.
+%   \end{slide}
+%   \begin{note}{personal note}
+%     The note.
+%   \end{note}
+% \end{document}
+%\end{example}
+%
+%There are several elements that define the document structure. First
+%of all, the class accepts some class options that control the output
+%of the class, for instance, paper type and style. These class
+%options will be discussed in section~\ref{sec:classopts}. Then there
+%are presentation specific options which control some of the elements
+%of the presentation globally, for instance, the footers. These will
+%be discussed in section~\ref{sec:pdsetup}.
+%
+%Once the setup has been decided on, you can use the slide
+%environment to produce slides (see section~\ref{sec:slides}) and the
+%note environment to produce notes that go with the slides (see
+%section~\ref{sec:notes}). You can use overlays to display material
+%in steps. This is described in section~\ref{sec:overlays}. The
+%|\section| command provides a way to structure your presentation.
+%This is discussed in section~\ref{sec:structure}.
+%Section~\ref{sec:styles} will show an overview of the styles that
+%come with this class and the characteristics of each style.
+%Section~\ref{sec:compiling} will tell you more about how to produce
+%output. This section contains important information on required
+%packages.
+%
+%Section~\ref{sec:writestyle} is mostly interesting for people that
+%want to develop their own style for this class or want to modify an
+%existing style. Section~\ref{sec:lyx} explains how \LyX\
+%\cite{LyXWeb} can be used to create \pf{powerdot} presentations.
+%This documentation concludes with a section devoted to questions
+%(section~\ref{sec:questions}), like `Where can I find examples?'. It
+%also tells you where to turn to in case your questions are still not
+%solved.
+%
+%\section{Setting up the presentation}\label{sec:setup}
+%This section will describe all options that are available to control
+%the output of the presentation and the looks of it.
+%
+%\subsection{Document class options}\label{sec:classopts} We will
+%start with the class options that are typed in the |\documentclass|
+%command as a comma-separated list. For each option, the default
+%value will be mentioned in the description. This is the value that
+%will be used if you decide to not give a value to the option or not
+%use the option at all.
+%
+%\DescribeOption{mode}
+%This options controls the kind of output that we want to produce.
+%The default value is |present|.
+%\begin{description}
+%\item\option{mode=present}\\
+%This mode is used when you want to create the actual presentation. It
+%will enable overlays and transition effects. You can read more about
+%overlays in section~\ref{sec:overlays}.
+%\item\option{mode=print}\\
+%This mode can be used when printing the slides including their visual
+%markup, but without any overlay or transition effects.
+%\item\option{mode=handout}\\
+%This mode will produce a black and white overview of your slides that
+%can be used to make personal notes on, for distribution to students,
+%a personal guide during your talk, etcetera.
+%\begin{description}
+%\item\option{nopagebreaks}\\
+%By default, the handout mode produces a document with two slides per
+%page. If you want to fit more slides on a page, specify this option
+%in the |\documentclass| command and \pf{powerdot} will let \LaTeX\
+%decide on the places to insert a page break, namely when a page is
+%full.
+%\end{description}
+%\end{description}
+%
+%\DescribeOption{paper} This option has three possible values. The default
+%value is |screen|.
+%\begin{description}
+%\item\option{paper=screen}\\
+%This is a special format with screen optimized ratio (4/3). The
+%actual page dimensions will be 8.25 inch by 11 inch. This paper format
+%is not available for print or handout mode. In these modes, \pf{powerdot}
+%will switch to a4 paper and put a warning that it did this in the
+%log file of your presentation.
+%\item\option{paper=a4paper}\\
+%A4 paper will be used for the presentation or handout.
+%\item\option{paper=letterpaper}\\
+%Letter size paper will be used.
+%\end{description}
+%Some important information with respect to paper size, compiling and
+%viewing presentations is available in section~\ref{sec:compiling}.
+%
+%\DescribeOption{orient} This controls the orientation of the
+%presentation. The default value is |landscape|.
+%\begin{description}
+%\item\option{orient=landscape}\\
+%The presentation will be in landscape format. This value is not
+%available in handout mode. In that mode, \pf{powerdot} will switch
+%to portrait orientation and will warn you about this in the log
+%file.
+%\item\option{orient=portrait}\\ This produces slides in portrait
+%format. Notice that not all styles support portrait orientation. Please
+%refer to section~\ref{sec:styles} for information about which styles
+%do support the portrait orientation.
+%\end{description}
+%
+%\DescribeOption{display} This controls the production of slides and
+%notes. The default value is |slides|.
+%\begin{description}
+%\item\option{display=slides}\\
+%This will only typeset the slides in your presentation.
+%\item\option{display=slidesnotes}\\
+%This will typeset both the slides and the notes in your
+%presentation. See also section~\ref{sec:notes} for more information
+%about notes.
+%\item\option{display=notes}\\ This will typeset the notes only. To
+%be able to typeset the slide numbers of the notes correctly, one should
+%first run the presentation in slidesnotes mode once.
+%\end{description}
+%
+%Here are some more options to control the output.
+%\begin{description}
+%\item\DescribeOption{size}\option{size}\\
+%This is the size of the normal text font in points. Possible values
+%are 8pt, 9pt, 10pt, 11pt, 12pt, 14pt, 17pt and 20pt and the default value is
+%11pt.\footnote{Note that sizes other than 10pt, 11pt and 12pt are
+%non-standard and it is assumed that you have the \pf{extsizes}
+%bundle \cite{extsizes} installed, which provides these sizes.}
+%\item\DescribeOption{style}\option{style}\\
+%This controls the style to be loaded for the presentation. By
+%default, the \pf{default} style will be loaded. For more styles, see
+%section~\ref{sec:styles}.
+%\item\DescribeOption{fleqn}\option{fleqn}\\
+%This option makes equations flushed left. It does the same as the
+%equally named option for the article class.
+%\item\DescribeOption{leqno}\option{leqno}\\
+%Put equation numbers at the left. Also the same as in the article
+%class.
+%\item\DescribeOption{nopsheader}\option{nopsheader}\\
+%By default, \pf{powerdot} will write a postscript command to the ps
+%file to make sure that post processors like ps2pdf know which paper
+%to use without the need to specify it on the command line. See also
+%section~\ref{sec:compiling}. If you experience problems with post
+%processing or printing or you want to specify the paper size in the
+%post processing steps yourself, use this option.
+%\item\DescribeOption{hlentries}\option{hlentries}\\
+%This highlights table of contents entries when the entry matches
+%with the current slide and is |true| by default. See also
+%section~\ref{sec:structure}. If you don't want highlighting of table
+%of contents entries (for instance in print mode), use
+%|hlentries=false|.
+%\item\DescribeOption{hlsections}\option{hlsections}\\
+%This highlights table of contents sections when the section matches
+%with the current section in the presentation and is |false| by
+%default. See also section~\ref{sec:structure}. Specifying this
+%option turns highlighting of sections on. This could be useful when
+%you are using a style that implements a split table of contents.
+%\item\DescribeOption{blackslide}\option{blackslide}\\
+%This option inserts a black slide in the presentation on page 1 and
+%will automatically advance to page 2 when opening the presentation
+%in a PDF viewer like Acrobat (Reader). The option also inserts a
+%link behind every slide or section title that brings you to the
+%black slide when clicked. When you click anywhere in the black
+%slide, you will go back to the originating slide. This option can be
+%used to temporarily pause a presentation, for instance, to do a
+%proof on the black board.
+%\end{description}
+%
+%Here is an example of a |\documentclass| command.
+%\begin{example}
+% \documentclass[
+%   size=12pt,
+%   paper=screen,
+%   mode=present,
+%   display=slidesnotes,
+%   style=tycja,
+%   nopagebreaks,
+%   blackslide,
+%   fleqn
+% ]{powerdot}
+%\end{example}
+%This example sets up a presentation in \pf{tycja} style, with a black
+%slide, normal size 12 points and flushed left equations.
+%\begin{example}
+% \documentclass[
+%   size=12pt,
+%   paper=letterpaper,
+%   mode=handout,
+%   display=slidesnotes,
+%   style=tycja,
+%   nopagebreaks,
+%   blackslide,
+%   fleqn
+% ]{powerdot}
+%\end{example}
+%Changing the |paper| and |mode| options, now produces a handout with
+%possibly more than two slides per page due to the |nopagebreaks|
+%option.
+%
+%\subsection{Setup options}\label{sec:pdsetup}
+%\DescribeMacro{\pdsetup}
+%There are several extra options that can help customizing your
+%presentation. These options are not available via the
+%|\documentclass| command. This has a technical reason.\footnote{The
+%interested reader is referred to the section about the \pf{xkvltxp}
+%package in the \pf{xkeyval} package documentation \cite{xkeyval}.}
+%The options can be accessed via the |\pdsetup| command, which can
+%only be used in the preamble of your presentation. The command takes
+%one argument, which should contain a comma-separated list of
+%options. The available options are described below.
+%
+%\begin{description}
+%\item\DescribeOption{lf}\option{lf}\\
+%This determines the content of the left footer. By default, this is
+%empty.
+%\item\DescribeOption{rf}\option{rf}\\
+%This determines the content of the right footer. By default, this is
+%empty.
+%\item\DescribeOption{theslide}\option{theslide}\\
+%This option controls how the slide number appears on the slide. By
+%default this has the value |\arabic{slide}~/~\pageref*{lastslide}|,
+%which could appear like |5/22|. Notice that the |\arabic{slide}|
+%typesets the number of the current slide and that
+%|\pageref*{lastslide}| typesets the number of the last
+%slide.\footnote{We use the starred version of \cs{pageref} which is
+%defined by \pf{hyperref} and does not create a link to the page that
+%it is referring to.}
+%\item\DescribeOption{thenote}\option{thenote}\\
+%This is similar to the |theslide| option, but typesets the slide
+%numbers of notes. The default value is
+%|note~\arabic{note}~of~slide~\arabic{slide}| and |\arabic{note}|
+%here typesets the number of the current note that goes with the
+%current slide. This could appear like |note 2 of slide 7|.
+%\item\DescribeOption{trans}\option{trans}\\
+%This option sets the default transition effect to be used in the
+%presentation. These transition effects only work after compiling the
+%presentation to PDF format. See also section~\ref{sec:compiling}.
+%The following transition effects are supported: |Split|, |Blinds|,
+%|Box|, |Wipe|, |Dissolve|, |Glitter| and |Replace|. When you are using
+%a viewer that understands PDF 1.5, you can also use |Fly|, |Push|,
+%|Cover|, |Uncover| or |Fade|. It is important to notice that most
+%viewers are case sensitive, so, for instance, |box| will not work.
+%
+%The default effect is |Replace| which just replaces one slide with
+%another when browsing the slides. Note that some PDF viewers (like
+%Acrobat Reader 5 and higher) only produce the transition effect in
+%full screen mode. If you want to use a custom transition effect that
+%is not listed in the list above (for instance, a wipe effect with a
+%custom wipe direction), then that is possible. However,
+%\pf{powerdot} will put a warning in your log file that the effect
+%that you have chosen, might not work in the PDF viewer. Here is an
+%example that does work.
+%\begin{example}
+% trans=Wipe /Di 0
+%\end{example}
+%In Acrobat (Reader), this wipes from left to right instead of the
+%default top to bottom. For more information, see a PDF Reference
+%Manual.
+%\item\DescribeOption{counters}\option{counters}\\
+%The |counters| option lists counters that you might want to protect
+%on overlays. As material on overlays (see
+%section~\ref{sec:overlays}) is processed multiple times, also
+%\LaTeX\ counters, like the |equation| counter, might be increased
+%too often. To avoid that your equations get different numbers on
+%every overlay, use this option. The |equation|, |table|, |figure|,
+%|footnote| and |mpfootnote| counters are already protected for you.
+%If you use extra counters, for instance for theorems, list them in
+%this option. Example:
+%\begin{example}
+% counters={theorem,lemma}
+%\end{example}
+%\item\DescribeOption{list}\option{list}\\
+%This option takes a list of options that will be passed on to the
+%\pf{enumitem} package that controls the layout of lists created by
+%the |enumerate| and |itemize| environments. Example:
+%\begin{example}
+% list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+%\end{example}
+%See for more information on controlling the layout of lists the
+%\pf{enumitem} package \cite{enumitem}.
+%\item\DescribeOption{enumerate}\option{enumerate}\\
+%As the |list| option, but only control |enumerate| environments.
+%\item\DescribeOption{itemize}\option{itemize}\\
+%As the |list| option, but only control |itemize| environments.
+%\end{description}
+%
+%Here is an example of a |\pdsetup| command that one could use to set up
+%the presentation.
+%\begin{example}
+% \pdsetup{
+%   lf=My first presentation,
+%   rf=For some conference,
+%   trans=Wipe,
+%   theslide=\arabic{slide}
+% }
+%\end{example}
+%This sets the left and right footers and will initialize the
+%transition effect to |Wipe|. Further, slide numbers will not include
+%the number of the last slide, but only the number of the current
+%slide.
+%
+%A small note is necessary with respect to the appearance of footers.
+%The slide number (controlled by the |theslide| option) will be added
+%to a footer. Most styles add it too the right footer. If both the
+%footer and the slide number are non empty, |~--~| will be inserted
+%in between them to separate them. Styles might modify this default
+%behavior however.
+%
+%\section{Making slides}\label{sec:slides}
+%\subsection{The title slide}\label{sec:titleslide}
+%\DescribeMacro{\title}
+%\DescribeMacro{\author}
+%\DescribeMacro{\and}
+%\DescribeMacro{\date}
+%\DescribeMacro{\maketitle}
+%The title slide is created by the |\maketitle| command. Its use is
+%the same as in the standard \LaTeX\ document classes. See an example
+%below.
+%\begin{example}
+% \documentclass{powerdot}
+%   \title{Title}
+%   \author{You \and me}
+%   \date{August 21, 2005}
+% \begin{document}
+%    \maketitle
+%    ...
+% \end{document}
+%\end{example}
+%The |author|, |title| and |date| declarations provide the text to be
+%used when making a title page. The design of the title page is
+%specific to the style in use. Notice the use of |\and| for
+%separating multiple authors. See a \LaTeX\ manual \cite{companion}
+%for more information on commands such as |\title| and |\author|.
+%
+%\subsection{Other slides}\label{sec:otherslides}
+%\DescribeEnv{slide} The centerpiece of every presentation is the
+%slide. In \pf{powerdot}, the content of each slide is placed in a
+%|slide| environment.
+%\begin{command}
+% `\cs{begin}\texttt{\{slide\}}\oarg{options}\marg{slide title}'
+% `\meta{body}'
+% `\cs{end}\texttt{\{slide\}}'
+%\end{command}
+%
+%In section~\ref{sec:overlays} we'll see how to give some life to the
+%slides, but for now, let's look at a simple example.
+%\begin{example}
+% \begin{slide}{First slide}
+%   Hello World.
+% \end{slide}
+%\end{example}
+%The slide environment has one required argument, namely the slide
+%title. When a slide is created, the slide title is used to create an
+%entry in the table of contents and in the list of bookmarks. The
+%table of contents is a listing of the slides and section titles in
+%the presentation that appears on each slide.
+%
+%The table of contents is clickable (when the presentation is
+%compiled into PDF) and serves as a nice way to jump from location to
+%location within the presentation. The bookmark list is only present
+%when compilation is taken all the way to the PDF file format. It
+%also serves as a table of contents, but this list does not appear on
+%\textit{any} of the slides, but in a separate window in a PDF
+%viewer. In the example above, the entries in both table contents and
+%the list of bookmarks would be titled |First slide|.
+%
+%The \meta{options} for the |slide| environment allow the user to
+%specify alternative titles for the table of contents and bookmark
+%entries. There is also a |trans| option that works only for the
+%current slide.
+%\begin{description}
+%\item\DescribeOption{toc}\option{toc}\\
+%When specified, the value is used for the entry in the table of
+%contents; otherwise, the slide title is used. If |toc=| is
+%specified, then no entry is created.
+%\item\DescribeOption{bm}\option{bm}\\
+%When specified, the value is used for the bookmark entry; otherwise,
+%the slide title is used. If |bm=| is specified, then no entry is
+%created.
+%\item\DescribeOption{trans}\option{trans}\\
+%This works the same as the |trans| option described in
+%section~\ref{sec:pdsetup}, except that it sets the transition effect
+%of the current slide only (when used in the slide \meta{options})
+%and not for the entire presentation.
+%\end{description}
+%
+%These optional arguments are especially useful when the title of a
+%slide is extremely long or when the title contains \LaTeX\ commands
+%that do not render correctly in the bookmarks.\footnote{The
+%bookmarking procedure uses \cs{pdfstringdef} from the \pf{hyperref}
+%package, and it can process accented characters such as \cs{"i}.}
+%When specifying entries, be sure to hide special characters `|,|'
+%and `|=|' between curly brackets `|{|' and `|}|'. Let's look at an
+%example that uses these optional arguments.
+%\begin{example}
+% \begin{slide}[toc=,bm={LaTeX, i*i=-1}]{\color{red}\LaTeX, $i^2=-1$}
+%   My slide contents.
+% \end{slide}
+%\end{example}
+%
+%In this example, the slide title will appear as {\color{red}\LaTeX,
+%$i^2=-1$}. This text will not render correctly in a bookmark entry.
+%An attempt is made to correct this, but often, the correction does
+%not produce an equivalent text. This particular title would be
+%rendered in the bookmark list as |redLaTeX, i2=-1|. On the other
+%hand, the manually specified bookmark entry is rendered as:
+%|LaTeX, i*i=-1|. Notice, no entry is created in the table of contents,
+%because of the use of |toc=|.
+%
+%In addition to the |slide| environment, each individual style can
+%define its own environments. Many styles have a |wideslide|
+%environment. The idea is that one might have information that does
+%not fit nicely on a slide with a table of contents listed, as this
+%consumes some space. In such cases, it is preferable to use a slide
+%that does not list the table of contents. The |wideslide|
+%environment provides this functionality and has more space for the
+%actual slide content. See section~\ref{sec:styles} for information
+%on the various environments provided by the styles.
+%
+%\section{Overlays}\label{sec:overlays}
+%It is often the case that you don't want all the information on the
+%slide to appear at once. Rather, the information should appear one
+%item at a time. In \pf{powerdot}, this is achieved with overlays.
+%Each slide can be comprised of many overlays, and the overlays are
+%displayed one at a time.
+%
+%\subsection{The \cs{pause} command}\label{sec:pause}
+%\DescribeMacro{\pause} The easiest way to display information
+%sequentially is to use the |\pause| command.
+%\begin{command}
+% `\cs{pause}\oarg{number}'
+%\end{command}
+%Below is a simple example:
+%\begin{example}
+% \begin{slide}{Simple overlay}
+%   power\pause dot
+% \end{slide}
+%\end{example}
+%The slide's information is displayed and continues until the
+%|\pause| command is encountered. No further output within the same
+%slide is displayed until the click of the mouse or the touch of the
+%keyboard. Then, the content will continue to display until all the
+%information is displayed or until another |\pause| command is
+%encountered. In this example, |power| is displayed on the first
+%overlay, and |powerdot| is the displayed on the second overlay.  The
+%|\pause| command is often used within the |itemize| and |enumerate|
+%environments. For example,
+%\begin{example}
+% \begin{slide}{Multiple pauses}
+%   power\pause dot \pause
+%   \begin{itemize}
+%     \item Let me pause\ldots \pause
+%     \item \ldots while I talk \pause and chew bubble gum. \pause
+%     \item Perhaps you'll be persuaded.
+%     \item Perhaps not.
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%Since |\pause| was used before the |itemize| environment, no item
+%will appear until the third overlay. Then, each item will be
+%displayed one at a time, each on their own overlay. More information
+%on using lists will follow in the next section.
+%
+%The optional argument of the |\pause| command specifies the number
+%of overlays to pause. An example usage is:
+%\begin{example}
+% \begin{slide}{Pause longer}
+%   \begin{itemize}
+%     \item A \pause
+%     \item B \pause[2]
+%     \item C
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%In the example above, item |C| will appear on the fourth overlay.
+%The usefulness of this option will become more apparent in the next
+%section; so we will revisit a similar example at that time.
+%
+%\subsection{List environments}\label{sec:lists}
+%The list environments, |itemize| and |enumerate|, have special
+%treatments in \pf{powerdot}. They have an optional argument that
+%will be taken care off by the \pf{enumitem} package (see
+%\cite{enumitem}). \pf{powerdot} supplies an extra key for this
+%optional argument. In the examples that follow, features will be
+%described using the |itemize| environment but they also apply to the
+%|enumerate| environment.
+%
+%Here is the typical usage of the |itemize| environment:
+%\begin{example}
+% \begin{slide}{Basic itemize}
+%   \begin{itemize}
+%     \item A \pause
+%     \item B \pause
+%     \item C
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%The display is simple, each item appears one at a time with each
+%overlay.
+%
+%\DescribeOption{type}
+%Suppose we wanted every item to show, but we only wanted one item to
+%appear `active' at once. This can be accomplished via the |type|
+%option for the |itemize| environment. The default value is |0|.
+%\begin{example}
+% \begin{slide}{Type 1 itemize}
+%   \begin{itemize}[type=1]
+%     \item A \pause
+%     \item B \pause
+%     \item C
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%Now, every item will be displayed in the \emph{inactive
+%color}\index{inactive color} (which is defined by the style that you
+%use), and the item's font color will become the active one on the
+%overlay that it would normally appear on. The default behavior is
+%given by |type=0|.
+%
+%Lists can also be nested to create complicated structures. When a
+%list is nested, it inherits the setting of the |type| option from
+%the `parent' list, but that can be overruled by specifying the
+%|type| option in the optional argument of the nested list. We
+%present here one example, but many more can be created by nesting
+%lists of different types in different ways.
+%\begin{example}
+% \begin{slide}{Nested lists}
+%   \begin{itemize}
+%     \item A\pause
+%     \begin{itemize}[type=1]
+%       \item B\pause
+%     \end{itemize}
+%     \item C
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%This displays |A| and |B| on the first overlay, but |B| is inactive.
+%On overlay 2, |B| will become active and on overlay 3, |C| will
+%become visible.
+%
+%\subsection{The \cs{item} command}
+%\DescribeMacro{\item}
+%The |\item| command has an extra \emph{optional} argument in
+%\pf{powerdot} which allows for creating overlays in a more flexible
+%way then |\pause| provides.
+%\begin{command}
+% `\cs{item}\oarg{label}\larg{overlays}'
+%\end{command}
+%This optional argument should contain an overlay specification
+%stating on which overlays you want the item to appear. This
+%specification is a comma separated list where each item can used the
+%notation as in table \vref{tab:item}.
+%\begin{table}[htb]\centering
+%\begin{tabular}{d}
+%Syntax&Meaning\\\hline
+%\texttt{x}&Only overlay \texttt{x}\\
+%\texttt{-x}&All overlays up to and including \texttt{x}\\
+%\texttt{x-}&All overlays from \texttt{x}, including \texttt{x}\\
+%\texttt{x-y}&All overlays from \texttt{x} to \texttt{y},
+%including \texttt{x} and \texttt{y}\\
+%\end{tabular}
+%\caption{\cs{item} and \cs{onslide} notation}\label{tab:item}
+%\end{table}
+%The \meta{label} argument is the standard optional argument for
+%|\item| in \LaTeX. A \LaTeX\ manual \cite{companion} can tell you
+%more about this argument.
+%
+%Here is an example.
+%\begin{example}
+% \begin{slide}{Active itemize}
+%   \begin{itemize}[type=1]
+%    \item<1> A
+%    \item<2> B
+%    \item<3> C
+%   \end{itemize}
+% \end{slide}
+%\end{example}
+%Here we have said that |A| should only be active on overlay 1, |B|
+%should only be active on overlay 2, and |C| should only be active on
+%overlay 3. Again, when the item is not active, it appears in the
+%inactive color because of |type=1|.
+%
+%If |type=0| is specified and if each item is given an overlay
+%option, then each item will appear only when it is active. When the
+%item is not active, then it will not show on the slide at all. More
+%examples demonstrating the syntax for \meta{overlays} will be
+%discussed in the next section.
+%
+%\subsection{The \cs{onslide} command}\label{sec:onslide}
+%\DescribeMacro{\onslide} Overlays can also be achieved using the
+%|\onslide| command.
+%\begin{command}
+% `\cs{onslide}\marg{overlays}\marg{text}'
+%\end{command}
+%This command takes an \meta{overlays} specification as first
+%argument and the \meta{text} to apply it to as second argument. The
+%\meta{overlays} on which the text will appear are specified as a
+%comma separated list with syntax as in table \vref{tab:item}. We
+%start off with a simple example.
+%\begin{example}
+% \begin{slide}{Simple onslide}
+%   \onslide{1,2}{power}\onslide{2}{dot}
+% \end{slide}
+%\end{example}
+%We have instructed |power| to appear on overlays one and two, and
+%|dot| to appear only on overlay two. As you might guess, this
+%example has the same output as our first |\pause| example. Yet, it
+%is clearly the case that our syntax is more complicated. However,
+%this slight ``complication'' also allows for much more flexibility.
+%
+%\DescribeMacro{\onslide+}Consider the above example with the
+%following modifications:
+%\begin{example}
+% \begin{slide}{Simple onslide+}
+%  \texttt{onslide }: \onslide{1}{power}\onslide{2}{dot}\\
+%  \texttt{onslide+}: \onslide+{1}{power}\onslide+{2}{dot}
+% \end{slide}
+%\end{example}
+%The |\onslide+| command displays its content in a different manner
+%altogether. Now, |dot| appears on every overlay, but it is in
+%inactive color\index{inactive color} and matches the normal font
+%color \textit{only} on overlay two. This is comparable to the
+%|type=1| behavior for lists (see section~\ref{sec:lists}).
+%
+%When executing this example, we will also notice that the |\onslide|
+%command does hide material, but still reserves the right amount of
+%space for it: on overlay 2, the |dot|s appear right above each
+%other. The next command does not reserve space.
+%
+%\DescribeMacro{\onslide*} Instead of hiding and reserving space
+%(|\onslide|) or putting \meta{text} in the inactive color
+%(|\onslide+|) when the overlay doesn't match \meta{overlays}, this
+%command just eats the material altogether. To understand the
+%differences, consider the following example:
+%\begin{example}
+% \begin{slide}{Simple onslide*}
+%  \texttt{onslide }: \onslide{1}{power}\onslide{2}{dot}\\
+%  \texttt{onslide+}: \onslide+{1}{power}\onslide+{2}{dot}\\
+%  \texttt{onslide*}: \onslide*{1}{power}\onslide*{2}{dot}
+% \end{slide}
+%\end{example}
+%The output of the first two lines, we are already familiar with. The
+%third line displays |power| on overlay 1 and |dot| on overlay 2, but
+%no space for |power| is reserved on overlay 2. Hence |dot| will
+%start on the cursor position that |power| started on overlay 1 and
+%it is not aligned below the other two |dots|.
+%
+%We finish with an example of the syntax that is possible with
+%|\item| and |\onslide|. Remember that these commands take a comma
+%separated list for the \meta{overlays} specification and that each
+%element can used the syntax as explained in table \vref{tab:item}.
+%The various variations are demonstrated in the example below.
+%\begin{example}
+% \begin{slide}{Lists}
+%   \onslide{10}{on overlay 10 only}\par
+%   \onslide{-5}{on every overlay before and including overlay 5}\par
+%   \onslide{5-}{on every overlay after  and including overlay 5}\par
+%   \onslide{2-5}{on overlays 2 through 5, inclusive}\par
+%   \onslide{-3,5-7,9-}{on every overlay except overlays 4 and 8}
+% \end{slide}
+%\end{example}
+%
+%\subsection{Relative overlays}
+%Sometimes it is a pain to keep track of when an item should appear
+%or become active. You might, for example, just care that some text
+%appears on the overlay \textit{after} some other item. This
+%functionality is provided through the use of relative overlays which
+%should not be used outside list environments that use |\item|. Let's
+%consider a simple, illuminating example.
+%\begin{example}
+% \begin{slide}{Relative overlays}
+%   \begin{itemize}
+%     \item A \pause
+%     \item B \onslide{+1}{(visible 1 overlay after B)}\pause
+%     \item C \onslide{+2-}{(appears 2 overlays after C, visible until the end)}
+%     \pause
+%     \item D \onslide{+1-6}{(appears 1 overlay after D, visible until overlay 6)}
+%     \pause
+%     \item E \pause
+%     \item F \pause
+%     \item G \onslide{+1-+3}{(appears 1 overlay after G for 3 overlays)}\pause
+%     \item H \pause
+%     \item I \pause
+%     \item J \pause
+%     \item K
+%   \End{itemize}
+% \end{slide}
+%\end{example}
+%As you can see, we still use |\onslide|. The only change is with the
+%syntax of the list of overlays. Now, we can specify a `|+|' symbol
+%in the list. In its simplest usage, |\onslide{+1}| will make text
+%display one overlay after the overlay it would \textit{normally}
+%appear on. You can still use the syntax in table \vref{tab:item}.
+%These are demonstrated in the above example. Notice,
+%|\onslide{+1-6}| means that the text will appear one overlay after
+%the overlay it would normally appear on and that the text should
+%remain shown until overlay seven. To make text appear for a range of
+%relative overlays, see the final demonstration in the above example.
+%
+%\section{Presentation structure}\label{sec:structure}
+%\subsection{Making sections}\label{sec:section}
+%\DescribeMacro{\section}
+%This section describes the |\section| command which provides a way
+%to structure a presentation.
+%\begin{command}
+% `\cs{section}\oarg{options}\marg{section title}'
+%\end{command}
+%This command will produce a slide with \meta{section title} on it
+%and will also use this text to create sections in the table of
+%contents and in the bookmarks list. There are several \meta{options}
+%to control its output.
+%
+%\DescribeOption{tocsection} This option controls the creation of a
+%section in the table of contents. The default value is |true|.
+%\begin{description}
+%\item\option{tocsection=true}\\
+%This does create a section in the table of contents. This means that
+%all following slides, until the next section, will be nested under
+%this section.
+%\item\option{tocsection=false}\\
+%This does not create a section in the table of contents and hence
+%the section will be listed as an ordinary slide.
+%\item\option{tocsection=hidden}\\
+%This does create a section in the table of contents, but this is
+%only visible when you view a slide that is part of this section.
+%This could be used to append a section to the presentation which you
+%can discuss if there is some extra time.
+%\end{description}
+%
+%\DescribeOption{slide} This option controls whether the |\section|
+%command creates a slide. The default value is |true|.
+%\begin{description}
+%\item\option{slide=true}\\
+%A slide is created.
+%\item\option{slide=false}\\
+%No slide will be created. If also |tocsection| is |false|, the
+%|\section| command doesn't do anything. If it does create a table of
+%contents section (|tocsection=| |true| or |hidden|), its link will
+%point to the first slide in the section as the section itself
+%doesn't have a slide.
+%\end{description}
+%
+%\DescribeOption{template} This option can be used to make the
+%section slide with another template. By default, a normal |slide|
+%environment is used to create the section slide, but if a style
+%offers other templates that could be used for this purpose (for
+%instance, the |wideslide| environment), then you can use this option
+%to select that template. See section~\ref{sec:styles} for an
+%overview of the available templates with every style.
+%
+%Finally, all options available to normal slides are available to
+%slides created by |\section| as well (see section~\ref{sec:slides}).
+%However, when the section does make a |tocsection|, |toc=| or |bm=|
+%won't remove the table of contents entry or the bookmark
+%respectively.
+%
+%\subsection{Making an overview}\label{sec:tableofcontents}
+%\DescribeMacro{\tableofcontents}
+%This command creates an overview of your presentation and can only
+%be used on a slide.
+%\begin{command}
+% `\cs{tableofcontents}\oarg{options}'
+%\end{command}
+%There are several \meta{options} to control the output of this
+%command.
+%
+%\DescribeOption{type}
+%This option controls whether certain material (depending on the
+%input in the |content| option below) will be hidden or displayed in
+%the inactive color\index{inactive color}. The default value is |0|.
+%Compare with the |type| option for list environments
+%(section~\ref{sec:lists}).
+%
+%\begin{description}
+%\item\option{type=0}\\
+%When material is not of the requested type as specified in the
+%|content| option, it will be hidden.
+%\item\option{type=1}\\
+%As |type=0|, but instead of hiding material, it will be typeset in
+%the inactive color.
+%\end{description}
+%
+%\DescribeOption{content}
+%The |content| option controls which elements will be included in the
+%overview. The default value is |all|. The description below assumes
+%that |type=0| was chosen, but the alternative text for |type=1| can
+%easily be deduced.
+%
+%\begin{description}
+%\item\option{content=all}\\
+%This will display a full overview of your presentation including all
+%sections and slides, except the slides in hidden sections (see
+%section~\ref{sec:section}).
+%\item\option{content=sections}\\
+%This displays only the sections in the presentation.
+%\item\option{content=currentsection}\\
+%This displays the current section only.
+%\item\option{content=future}\\
+%This displays all content starting from the current slide.
+%\item\option{content=futuresections}\\
+%This displays all sections, starting from the current section.
+%\end{description}
+%
+%We finish this section with a small example that will demonstrate
+%how you can make a presentation that contains an overall overview of
+%sections in the presentation, giving a general idea of the content,
+%and per section a detailed overview of the slides in that section.
+%\begin{example}
+% \begin{slide}[toc=,bm=]{Overview}
+%   \tableofcontents[content=sections]
+% \end{slide}
+% \section{First section}
+% \begin{slide}[toc=,bm=]{Overview of the first section}
+%   \tableofcontents[content=currentsection,type=1]
+% \end{slide}
+% \begin{slide}{Some slide}
+% \end{slide}
+% \section{Second section}
+% ...
+%\end{example}
+%
+%\section{Miscellaneous}
+%\subsection{The \cs{twocolumn} command}\label{sec:twocolumn}
+%\DescribeMacro{\twocolumn}
+%The |\twocolumn| macro allows to split content into two columns.
+%\begin{command}
+% `\cs{twocolumn}\marg{options}\marg{left}\marg{right}'
+%\end{command}
+%This typesets \meta{left} and \meta{right} in two columns. The
+%dimensions of those columns can be controlled by \meta{options}.
+%Below are the available options.
+%\begin{description}
+%\item\DescribeOption{lineheight}\option{lineheight}\\
+%If |lineheight| is specified, a line of the specified height will be
+%created using |\psline| in between the two columns. Example:
+%|lineheight=6cm|.
+%\item\DescribeOption{lineprop}\option{lineprop}\\
+%Any \pf{pstricks} declaration to specify the line properties. Example:
+%\begin{example}
+% lineprop={linestyle=dotted,linewidth=3pt}
+%\end{example}
+%\item\DescribeOption{lfrheight}\option{lfrheight}\\
+%Creates a frame of the specified height around the left
+%column.
+%\item\DescribeOption{lfrprop}\option{lfrprop}\\
+%As |lineprop|, but for the left frame.
+%\item\DescribeOption{rfrheight}\option{rfrheight}\\
+%Creates a frame of the specified height around the right
+%column.
+%\item\DescribeOption{rfrprop}\option{rfrprop}\\
+%As |lineprop|, but for the left frame.
+%\item\DescribeOption{frsep}\option{frsep}\\
+%Space between text and the frames. Default: |1.5mm|.
+%\item\DescribeOption{colsep}\option{colsep}\\
+%Space between the two columns. Default: |0.06\linewidth|.
+%\item\DescribeOption{lcolwidth}\option{lcolwidth}\\
+%Width of the left column. Default: |0.47\linewidth|.
+%\item\DescribeOption{rcolwidth}\option{rcolwidth}\\
+%Width of the right column. Default: |0.47\linewidth|.
+%\item\DescribeOption{topsep}\option{topsep}\\
+%The extra space (additional to |\baselineskip|) between text above
+%the columns and the text within the columns. Default: |0cm|.
+%\item\DescribeOption{bottomsep}\option{bottomsep}\\
+%Idem for the bottom of the columns. Default: |0cm|.
+%\item\DescribeOption{indent}\option{indent}\\
+%Horizontal indent left to the left column. Default: |0cm|.
+%\end{description}
+%The dimensions described above are represented graphically in
+%figure \vref{fig:twocolumndim}.
+%\begin{figure}[htb]
+%\centering
+%\begin{pspicture}(0,.5)(13,10.5)
+%\psline(0,0.5)(0,10)
+%\rput[tl](.05,9.95){Top}
+%\psframe[dimen=middle](1,9)(7,2)
+%\psline{C-C}(8.5,9)(11,9)
+%\psline{C-C}(8.5,2)(8.5,9)
+%\psline{C-C}(8.5,2)(11,2)
+%\qdisk(1.7,8.3){.1cm}
+%\psset{linestyle=dashed}
+%\psline{C-C}(1.7,8.3)(6.3,8.3)
+%\psline{C-C}(1.7,8.3)(1.7,3)
+%\psline{C-C}(6.3,5)(6.3,8.3)
+%\psline{C-C}(11,9)(12,9)
+%\psline{C-C}(11,2)(12,2)
+%\psline{C-C}(11,7)(12,7)
+%\psline{C-C}(9.2,8.3)(12,8.3)
+%\psline{C-C}(9.2,8.3)(9.2,3)
+%\rput[tl](1.75,8.25){Left column text}
+%\rput[tl](9.25,8.25){Right column text}
+%\rput[tl](.05,1){Bottom}
+%\psset{linestyle=dotted,dotsep=2pt}
+%\psline(0,8.3)(1.7,8.3)
+%\psline(0,9.6)(1,9.6)
+%\psline(0,2)(1,2)
+%\psline(0,1.1)(1,1.1)
+%\psset{linestyle=solid}
+%\psline{<->}(.2,8.33)(.2,9.57)
+%\psline{<->}(4,8.33)(4,8.97)
+%\psline{<->}(1.73,7)(6.27,7)
+%\psline{<->}(1.03,6.5)(1.67,6.5)
+%\psline{<->}(0.03,5.5)(1.67,5.5)
+%\psline{<->}(6.33,7.4)(9.17,7.4)
+%\psline{<->}(8.53,6.5)(9.17,6.5)
+%\psline{<->}(6.33,6.5)(6.97,6.5)
+%\psline{<->}(10.7,8.33)(10.7,8.97)
+%\psline{<->}(7.3,8.97)(7.3,2.03)
+%\psline{<->}(.2,1.13)(.2,1.97)
+%\psline{->}(1.7,9.3)(1.7,8.45)
+%\psline{<-}(9.23,7)(11,7)
+%\cput(4,6.6){\small 1}
+%\cput(11.1,6.6){\small 2}
+%\cput(8,7){\small 3}
+%\cput(7.7,3){\small 4}
+%\cput(4.4,8.65){\small 5}
+%\cput(1.35,6.1){\small 5}
+%\cput(8.85,6.1){\small 5}
+%\cput(11.1,8.65){\small 5}
+%\cput(6.65,6.1){\small 5}
+%\cput(0.6,8.95){\small 6}
+%\cput(0.6,5.1){\small 7}
+%\cput(0.6,1.55){\small 8}
+%\cput(1.7,9.6){\small 9}
+%\end{pspicture}
+%\begin{tabular}{c p{4cm}cl}
+%\multicolumn{4}{c}{Meaning of the labels}\\\hline
+%1&|lcolwidth|&5&|frsep|\\
+%2&|rcolwidth|&6&|topsep|\\
+%3&|colsep|&7&|indent|\\
+%4&|lfrheight|, |rfrheight|,&8&|bottomsep|\\
+%&|lineheight|&9&Reference point
+%\end{tabular}
+%\caption{Two-column dimensions.}\label{fig:twocolumndim}
+%\end{figure}
+%Important to notice is that the |\twocolumn| macro uses the current
+%cursor position as the reference point to position the first line of
+%text of the left column (see also figure \vref{fig:twocolumndim}). This
+%means that optional frames can extend to the text on the previous
+%line. Use for instance |topsep=0.3cm| in that case to add extra
+%space between the two lines of text. The default value of |topsep|
+%is based on the situation that there is no text on top of the two
+%columns. In that case, it is best to locate the first line of text
+%of the left column at the same spot as text that is not created by
+%|\twocolumn| on other slides. The setting |topsep=0cm| does exactly
+%this. However, with a combination of |topsep| and |indent| you can
+%change this behavior and position the first line of text of the left
+%column anywhere you want.
+%
+%The |\twocolumn| macro computes the height of the construction to
+%position text below the construction correctly. The computation is
+%done by taking the maximum height of |lfrheight|, |rfrheight|,
+%|lineheight| (if requested) and the left and right column content.
+%Hence when frames nor a line is requested, |bottomsep| is the
+%vertical space between the lowest line of text in the columns and
+%the text below the columns (additional to |\baselineskip|). Here is
+%an example.
+%\begin{example}
+% \begin{slide}{Two columns}
+%   Here are two columns.
+%   \twocolumn{lfrprop={linestyle=dotted,linewidth=3pt},
+%     lfrheight=4cm,rfrheight=5cm,lineheight=3cm,topsep=0.3cm
+%   }{left}{right}
+%   That were two columns.
+% \end{slide}
+%\end{example}
+%
+%\subsection{Notes}\label{sec:notes}
+%\DescribeEnv{note}
+%The |note| environment can be used to make personal notes that
+%accompany a slide. You can control displaying notes using the
+%|display| option (see section~\ref{sec:classopts}). Here is an
+%example.
+%\begin{example}
+% \begin{slide}{Chewing gum}
+% ...
+% \end{slide}
+% \begin{note}{Reminder for chewing gum}
+%   Don't forget to mention that chewing gum is sticky.
+% \end{note}
+%\end{example}
+%
+%\subsection{Empty slides}\label{sec:emptyslides}
+%\DescribeEnv{emptyslide}
+%The |emptyslide| environment creates a totally empty slide. The text
+%box on the slide can be used for special things like displaying
+%photos. This allows for creating a dia show. Example:
+%\begin{example}
+% \begin{emptyslide}{}
+%   \centering
+%   \vspace{\stretch{1}}
+%   \includegraphics[height=0.8\slideheight]{me_chewing_gum.eps}
+%   \vspace{\stretch{1}}
+% \end{emptyslide}
+%\end{example}
+%The |\includegraphics| command is defined by the \pf{graphicx}
+%package \cite{graphics}. The |\stretch| command is used to
+%vertically center the picture. Both commands are described in your
+%favorite \LaTeX\ manual, for instance \cite{companion}. Note that
+%you can use the lengths |\slideheight| and |\slidewidth| to scale
+%pictures to fit nicely on the slide.
+%
+%\subsection{Bibliography slide}\label{sec:bib}
+%\DescribeEnv{thebibliography}
+%\pf{powerdot} redefines the standard \pf{article}
+%|thebibliography| environment to suppress the creation of a section
+%heading and running headers. All other properties are maintained.
+%You can do either of the next two (depending whether you are
+%using BiB\TeX\ or not):\\
+%\begin{minipage}[t]{.49\linewidth}
+%\begin{example}
+% \begin{slide}{Slide}
+%   \cite{someone}
+%  \end{slide}
+% \begin{slide}{References}
+%   \begin{thebibliography}{1}
+%   \bibitem{someone} Article of someone.
+%   \end{thebibliography}
+% \end{slide}
+%\end{example}
+%\end{minipage}\hfill
+%\begin{minipage}[t]{.49\linewidth}
+%\begin{example}
+% \begin{slide}{Slide}
+%   \cite{someone}
+% \end{slide}
+% \begin{slide}{References}
+%   \bibliographystyle{plain}
+%   \bibliography{YourBib}
+% \end{slide}
+%\end{example}
+%\end{minipage}
+%
+%In case you have a big reference list that you want to spread over
+%multiple slides, have a look at the packages \pf{natbib} and
+%\pf{bibentry} \cite{natbib}. Using both packages allows you to do:
+%\begin{example}
+% \begin{slide}{References (1)}
+%   \bibliographystyle{plain}
+%   \nobibliography{YourBib}
+%   \bibentry{someone1}
+%   \bibentry{someone2}
+% \end{slide}
+% \begin{slide}{References (2)}
+%   \bibentry{someone3}
+% \end{slide}
+%\end{example}
+%Have a look at your favorite \LaTeX\ manual for more information
+%about citations and bibliographies.
+%
+%\section{Available styles}\label{sec:styles}
+%\pf{powerdot} comes with a number of styles which are listed in the
+%overview below. The characteristics of each style are described
+%shortly and a sample of a title slide and a normal slide is provided
+%for each style. Styles support the |wideslide| environment, have a
+%table of contents on the left part of the paper in landscape
+%orientation and on the bottom part in portrait orientation and
+%support portrait orientation unless states otherwise.
+%\begin{description}
+%\item\pf{default}\\
+%This style has as main colors light blue and white. A flower in the
+%top left corner decorates the slide.\\
+%\styleexample{default}
+%\item\pf{simple}\\
+%This is a simple style in black and white. This style could be
+%useful if you want to print your slides.\\
+%\styleexample{simple}
+%\item\pf{tycja}\\
+%This style is set in shades of yellow and dark blue. The table of
+%contents on slides is on the right side of the paper in landscape
+%orientation and on the bottom part in portrait.\\
+%\styleexample{tycja}
+%\item\pf{ikeda}\\
+%This style uses dark shades of red and blue and a light text color.
+%It has nice patterns on the slide for decoration.\\
+%\styleexample{ikeda}
+%\item\pf{fyma}\\
+%This style was originally created by Laurent Jacques for
+%\pf{prosper}. Based on that style, he created a version for
+%\pf{HA-prosper} with extended features. With his kind permission,
+%this style has been converted by Shun'ichi J. Amano for
+%\pf{powerdot}. The style has an elegant design with a light blue and
+%white gradient background. It has special templates for sections on
+%slides and sections on wide slides.\\
+%\styleexample{fyma}
+%\item\pf{ciment}\\
+%This style was originally created by Mathieu Goutelle for
+%\pf{prosper} and \pf{HA-prosper}. With his kind permission, this style
+%has been converted for \pf{powerdot}. The style has a background
+%that is hatched with light gray horizontal lines. Titles and table
+%of contents highlighting are done with dark red.\\
+%\styleexample{ciment}
+%\item\pf{elcolors}\\
+%This is a style using light shades of the elementary colors red,
+%blue and yellow.\\
+%\styleexample{elcolors}
+%\item\pf{aggie}\\
+%This style was created by Jack Stalnaker for \pf{HA-prosper} and he
+%has converted this style for \pf{powerdot}. The style uses dark red
+%and light brown colors.\\
+%\styleexample{aggie}
+%\item\pf{husky}\\
+%This style is created by Jack Stalnaker and has a background of
+%light gray sun beams combined with dark red highlights.\\
+%\styleexample{husky}
+%\item\pf{sailor}\\
+%This style is contributed by Mael Hill\'ereau and uses rounded shapes
+%in dark blue and shades of light blue.\\
+%\styleexample{sailor}
+%\item\pf{upen}\\
+%This style has a nice dark blue background and text in yellow. It is
+%contributed by Piskala Upendran.\\
+%\styleexample{upen}
+%\item\pf{bframe}\\
+%The \pf{bframe} style has blue frames on the slide in which text is
+%positioned. The style is contributed by Piskala Upendran.\\
+%\styleexample{bframe}
+%\end{description}
+%
+%\section{Compiling your presentation}\label{sec:compiling}
+%\subsection{Dependencies}\label{sec:dependencies}
+%In table \vref{tab:dependencies} is a list of packages that
+%\pf{powerdot} uses to perform specific tasks. Dependencies of
+%packages in this table are not listed. In the table, `required'
+%means that you should have a version \emph{at least} as new as
+%listed and `tested' means that \pf{powerdot} was tested with this
+%version, but that it could equally well work with an older or newer
+%version than the one listed in the table. So, when trying to solve
+%an error, first concentrate on solving version issues for the
+%`required' packages. To find out which version of a package you are
+%currently using, put |\listfiles| on the first line of your
+%document, run it with \LaTeX, open the |.log| file and read the file
+%list (see a \LaTeX\ manual for more information). If you need to
+%update a package, you can get it from CTAN \cite{CTAN}.
+%\begin{table}[htb]
+%\centering
+%\begin{tabular}{e}
+%Package/file & Version & Date & Required/tested\\\hline
+%\pf{xkeyval} \cite{xkeyval} & 2.5c & 2005/07/10 & required\\
+%\texttt{pstricks.sty} \cite{PSTricksWeb,PSTricks} & 0.2l & 2004/05/12 & required\\
+%\pf{xcolor} \cite{xcolor} & 1.11 & 2004/05/09 & required\\
+%\pf{enumitem} \cite{enumitem} & 1.0 & 2004/07/19 & required\\
+%\pf{article} class & 1.4f & 2004/02/16 & tested\\
+%\pf{geometry} \cite{geometry} & 3.2 & 2002/07/08 & tested\\
+%\pf{hyperref} \cite{hyperref} & 6.74m & 2003/11/30 & tested\\
+%\pf{graphicx} \cite{graphics} & 1.0f & 1999/02/16 & tested\\
+%\pf{float} \cite{float} & 1.3d & 2001/11/08 & tested
+%\end{tabular}
+%\caption{Dependencies}\label{tab:dependencies}
+%\end{table}
+%
+%\subsection{Creating and viewing output}\label{sec:creation}
+%To compile your presentation, run it with \LaTeX. The DVI that is
+%produced this way can be viewed with MiK\TeX's DVI viewer
+%YAP.\footnote{Unless you are using \pf{pstricks-add} which distorts
+%the coordinate system in DVI.} Unfortunately, xdvi and kdvi (kile)
+%do not support all PostScript specials and hence these will display
+%the presentation incorrectly. If your DVI viewer does support
+%this, make sure that your DVI display settings match that of the
+%presentation. In case you are using the |screen| paper, you should
+%set the DVI display setting to using the letter paper format. If
+%your DVI viewer allows for custom paper formats, use 8.25 inch by 11
+%inch.
+%
+%Note that certain things that are produced with PostScript or PDF
+%techniques will not work in a DVI viewer. Examples are hiding of
+%material via postscript layers (as is done, for instance, by
+%|\pause|, see section~\ref{sec:overlays}) and hyperlinks, for
+%instance in the table of contents.
+%
+%If you want to produce a postscript document, run dvips over the DVI
+%\emph{without any particular command line options related to
+%orientation or paper size}. \pf{powerdot} will write information to
+%the DVI file that helps dvips and ps2pdf (ghostscript) to create a
+%proper document. If you have some reason that this does not work for
+%you and you want to specify the paper and orientation yourself, you
+%should use the |nopsheader| option that is described in
+%section~\ref{sec:setup}. The PostScript document could, for
+%instance, be used to put multiple slides on a page using the |psnup|
+%utility.
+%
+%To create a PDF document for your presentation, run ps2pdf over the
+%PS file created with dvips. Also here, you can \emph{leave out any
+%command line arguments related to paper size or orientation}. If
+%this is problematic for you somehow, use the |nopsheader| option as
+%before and specify the paper and orientation at each intermediate
+%step yourself.
+%
+%\section{Creating your own style}\label{sec:writestyle}
+%\subsection{General information}
+%Writing or customizing \pf{powerdot} styles is simple. If you want
+%to modify a style or build a new one, locate the style that you want
+%to use as basis in your \TeX\ tree (styles are named as
+%|powerdot-<style_name>.sty|), copy that and rename it as to avoid
+%license\footnote{The \LaTeX\ Public Project License requires
+%renaming files when modifying them, see
+%\url{http://www.latex-project.org/lppl}.} or naming conflicts. You
+%might want to install the new style in your local \TeX\ tree to be
+%able to access it from any place on your hard drive. See your
+%\LaTeX\ distribution for more information.
+%
+%Once that has been taken care of, we can start creating the style.
+%We strongly recommend to study a style file (for example,
+%|powerdot-default.sty|) while reading the remainder of this section
+%as it provides good examples for the content of this section.
+%
+%A style has several components. We describe these components below.
+%\begin{description}
+%\item\textbf{Identification}\\
+%This identifies the package in the log of a presentation. The default
+%style contains:
+%\begin{example}
+% \NeedsTeXFormat{LaTeX2e}[1995/12/01]
+% \ProvidesPackage{powerdot-default}[2005/09/04 v1.0 default style (HA)]
+%\end{example}
+%See for more information about these commands a \LaTeX\ manual, for
+%instance \cite{companion}.
+%\item\textbf{Color definitions}\\
+%This section contains the definitions of the colors that you want to
+%use in the style. \pf{powerdot} uses \pf{xcolor} (via
+%\pf{pstricks}). Hence, for more information about colors, see the
+%\pf{xcolor} documentation.
+%\item\textbf{Template definitions}\\
+%We will come back to this in the subsequent sections.
+%\item\textbf{Custom declarations}\\
+%These can include anything that you want to be part of the style.
+%The default style, for instance, includes definitions for the labels
+%in list environments like |itemize| and some initializations for
+%lists in general (done with |\pdsetup|, see
+%section~\ref{sec:pdsetup}).
+%\item\textbf{Color and font initializations}\\
+%This is a very important part. Here you \emph{must} initialize the
+%main text color and put font definitions (which can be done by
+%loading a package like \pf{helvet}). If you don't initialize the
+%color here, most of the text will appear in black.
+%\end{description}
+%
+%\subsection{Defining templates}
+%We start off with a definition of what a template is. A template is
+%a collection of settings for slide components together with custom
+%definitions, which controls the visual appearance of a slide. A
+%style can contain multiple templates.
+%
+%\begin{command}
+% `\cs{pddefinetemplate}\oarg{basis}\marg{name}\marg{options}\marg{commands}'
+%\end{command}
+%\DescribeMacro{\pddefinetemplate}
+%This defines the environment \meta{name} to produce a slide with
+%characteristics determined by \meta{basis}, \meta{options} and
+%\meta{commands}. We will discuss these elements in more detail
+%in the coming sections.
+%
+%If you want to create several templates that differ only slightly
+%from each other, define a \meta{basis} template, and then use it to
+%define other templates. All \meta{options} and \meta{commands} for
+%the new template \meta{name} will be appended to the existing list
+%of \meta{options} and \meta{commands} from the \meta{basis}
+%template.
+%
+%Make sure you choose a \emph{proper} name for the template, and
+%avoid redefining existing templates or environments. \pf{powerdot}
+%defines |blackslide|, |note| and |emptyslide| internally, so you
+%shouldn't use these names unless you know what you're doing.
+%Furthermore, each style needs to define at least the templates
+%|slide| and |titleslide|. The |titleslide| environment will be used
+%to create the title slide and |slide| will (by default) also be used
+%to create section slides. Titles and sections are a bit special in
+%the way they use the \meta{options} and will be discussed in more
+%detail in section~\ref{sec:specialtemps}.
+%
+%\subsection{Controlling setup}
+%\DescribeOption{ifsetup}
+%The \meta{options} (keys) are described in the following sections.
+%You can control how these options apply to the various setups by
+%using the |ifsetup| key. Any key appearing before the first
+%|ifsetup| declaration in \meta{options} will apply to every possible
+%setup. Once the |ifsetup| key is used, then all subsequent key
+%declarations will apply \textit{only} to the setups declared in the
+%|ifsetup| key. The |ifsetup| key can be used multiple times.
+%
+%By possible setups, we mean the allowed values of the |mode|,
+%|paper|, |orient|, and |display| keys that are described in
+%section~\ref{sec:classopts}. If a value (or values!) for any of
+%these four keys is not specified in a |ifsetup| declaration, then
+%all subsequent key declarations will apply to any layout of that
+%type. Consider the following as an example.
+%\begin{example}[numbers=left,numberstyle=\tiny\ttfamily,%
+%  escapeinside=`',numbersep=1em,xleftmargin=1em]
+% ...
+% textpos={.2\slidewidth,.3\slideheight},%
+% ifsetup={portrait,screen},%
+% textpos={.3\slidewidth,.2\slideheight}%
+% ...
+% ifsetup=landscape,%
+% ...
+% ifsetup,
+% ...
+%\end{example}
+%Assuming there was no |ifsetup| declaration before the first
+%|textpos| declaration, this first |textpos| will apply to every
+%possible setup. However, for the screen format in portrait
+%orientation, the next |textpos| declaration will be used. In fact,
+%all declarations that appear until we switch to the next |ifsetup|
+%(which specifies all paper sorts and only landscape orientation)
+%will be used in the portrait screen layout. All keys after the next
+%|ifsetup| declaration will be used in landscape orientation,
+%\emph{with any paper, mode and display}. If, after declaring some
+%specializations, you want to switch back to settings that apply to
+%all possible setups, set |ifsetup| to empty as is done in the
+%example. All subsequent declarations will then again be applied
+%under any setup.
+%
+%The following command is a stand-alone implementation of the
+%mechanism described above. It allows you to control the setup
+%outside the \meta{options} argument of the |\pddefinetemplate|
+%command.
+%\begin{command}
+% `\cs{pdifsetup}\marg{desired}\marg{yes}\marg{no}'
+%\end{command}
+%\DescribeMacro{\pdifsetup}
+%This macro executes \meta{yes} when the setup that the user chose
+%matches with the \meta{desired} setup, \meta{no} in all other cases.
+%For instance, if the user has chosen landscape, then
+%\begin{example}
+% \pdifsetup{landscape}{yes}{no}
+%\end{example}
+%will typeset |yes|. If the user would have chosen portrait instead,
+%then |no| would have been typeset.
+%
+%This macro can be used to check setup requests from the user and,
+%for instance, generate an error if a certain setup is not supported
+%by your style. \pf{powerdot} provides one predefined error message
+%which can be used in one of the first lines of your style.
+%\begin{command}
+% `\cs{pd@noportrait}'
+%\end{command}
+%\DescribeMacro{\pd@noportrait}
+%This macro generates an error when the user requests portrait
+%orientation. Notice that the handout mode only works in portrait
+%orientation. This macro takes that into account and doesn't generate
+%an error in that case.
+%
+%\subsection{Main components}
+%The \meta{options} control several key components of a slide. Every
+%component has several properties. A key that can be used in the
+%\meta{options} argument is the name of the component postfixed by
+%its property that you want to control.
+%
+%The components |title|, |text|, |toc|, |stoc| and |ntoc| have
+%properties |hook|, |pos|, |width| and |font|. Additionally, the
+%|text| component has a |height| property. The components |lf| and
+%|rf| have properties |hook|, |pos|, |temp| and |font|. Hence,
+%examples of valid keys are |titlefont|, |tocpos| and |lftemp|. All
+%components and properties will be discussed below.
+%
+%Here is an overview of the components that can be controlled from
+%the \meta{options} argument in |\pddefinetemplate|.
+%\begin{description}
+%\item\DescribeOption{title-}\option{title-}\\
+%The slide title.
+%\item\DescribeOption{text-}\option{text-}\\
+%The main text box on the slide.
+%\item\DescribeOption{toc-}\option{toc-}\\
+%The (full) table of contents on a slide containing sections and
+%slides.
+%\item\DescribeOption{stoc-}\option{stoc-}\\
+%This is a table of contents containing only the sections. See also
+%|ntoc| below.
+%\item\DescribeOption{ntoc-}\option{ntoc-}\\
+%This is a table of contents containing only the entries for the
+%active section. Together with |stoc|, this can be used to create a
+%split table of contents. In a particular template, one would usually
+%have a |toc|, a combination of |stoc| and |ntoc| or no table of
+%contents at all.
+%\item\DescribeOption{lf-}\option{lf-}\\
+%The left footer.
+%\item\DescribeOption{rf-}\option{rf-}\\
+%The right footer.
+%\end{description}
+%
+%Notice that all positioning of components described above will be
+%done with |\rput| from \pf{pstricks} \cite{PSTricksWeb,PSTricks}
+%internally. See the \pf{pstricks} documentation for more information
+%about this command. It should also be noted that all components
+%(except |lf| and |rf|) put their content in a |minipage|
+%environment.
+%
+%Now we list all properties of the components listed above and
+%describe what they mean. Remember that keys are formed by combining
+%a component name and a property.
+%
+%\begin{description}
+%\item\DescribeOption{-hook}\option{-hook}\\
+%This option defines the |\rput| hook that will be used when
+%positioning the item. This can be |tl|, |t|, |tr|, |r|, |Br|, |br|,
+%|b|, |bl|, |Bl|, |l|, |B| and |c|. See the \pf{pstricks}
+%documentation for more information.
+%\item\DescribeOption{-pos}\option{-pos}\\
+%This defines the position of the |hook| on the paper. The lower left
+%corner of the paper is given by the point |{0,0}| and the upper right
+%corner by the point |{\slidewidth,\slideheight}|. So if you want to
+%position the main text box at 20\% from the left edge and 30\% from
+%the top edge of the paper, you have to do the following.
+%\begin{example}
+% textpos={.2\slidewidth,.7\slideheight}
+%\end{example}
+%If the position of any component has not been specified, this
+%component will not be placed on the slide. This gives an opportunity
+%to design slides without footers or table of contents, for instance.
+%\item\DescribeOption{-width}\option{-width}\\
+%The width of the component. All component positioned by
+%\pf{powerdot} will be put in a surrounding |minipage| environment.
+%The |width| property determines the width of the |minipage|. Example:
+%\begin{example}
+% textwidth=.7\slidewidth
+%\end{example}
+%This property does not exist for the |lf| and |rf| components.
+%\item\DescribeOption{-height}\option{-height}\\
+%This option is only available for the |text| component. In other
+%words, for this property, there is only one key, namely
+%|textheight|. This can be used to specify the height of the
+%|minipage| used for the main text. This does not imply that users
+%are restricted to this length or that \pf{powerdot} does automatic
+%slide breaking. This height is only used for vertical alignments of
+%material, for instance by footnotes. The default value is
+%|\slideheight|.
+%\item\DescribeOption{-font}\option{-font}\\
+%This will be inserted just before the text that is about to be
+%typeset. This can be used to declare deviations from the main text
+%font and color. It can be a font declaration, like
+%|\large\bfseries|, but can also contain other things like
+%|\color{red}| or |\raggedright|.
+%\item\DescribeOption{-temp}\option{-temp}\\
+%This property is only available for the footers (|lf| and |rf|) and
+%can be used to change the template of the footers. This means that
+%you can, for instance, add content to the footer, besides the
+%content specified by the user. The default declaration by
+%\pf{powerdot} is the following.
+%\begin{example}
+% rftemp=\pd@@rf\ifx\pd@@rf\@empty
+%   \else\ifx\theslide\@empty\else~--~\fi\fi\theslide
+%\end{example}
+%Here |\pd@@rf| will contain the content of the right footer defined
+%by the user via the |\pdsetup| command. Similarly, |\pd@@lf|
+%contains the content of the left footer. The above declaration
+%checks whether the footer and |\theslide| are both non-empty and if
+%so, it inserts |~--~| to separate both.
+%\end{description}
+%
+%Below, we have copied the default setting for the keys described
+%above done by \pf{powerdot}. These will be used if you didn't supply
+%other input for these keys in a particular template. If the default
+%value meets your needs, you don't have to specify it again in your
+%style.
+%\begin{example}
+% titlehook=Bl,titlepos,titlewidth=\slidewidth,
+% titlefont=\raggedright,texthook=lt,textpos,
+% textwidth=\slidewidth,textfont=\raggedright,
+% textheight=\slideheight,
+% tochook=lt,tocpos,tocwidth=.2\slidewidth,
+% tocfont=\tiny\raggedright,
+% stochook=lt,stocpos,stocwidth=.2\slidewidth,
+% stocfont=\tiny\raggedright,
+% ntochook=lt,ntocpos,ntocwidth=.2\slidewidth,
+% ntocfont=\tiny\raggedright,
+% tocfrsep=.5mm,tocsecsep=2ex,tocslidesep=0ex,
+% tocsecm,toctcolor=black,tochlcolor=black,tochltcolor=white,
+% tocsecindent=0pt,tocslideindent=0pt,
+% lfhook=lB,lfpos,lffont=\scriptsize,lftemp=\pd@@lf,
+% rfhook=rB,rfpos,rffont=\scriptsize,rftemp=\pd@@rf\ifx\pd@@rf\@empty
+%   \else\ifx\theslide\@empty\else~--~\fi\fi\theslide,
+% iacolor=lightgray
+%\end{example}
+%
+%\subsection{Slide toc}
+%The small table of contents that is placed on slides can be
+%controlled by four macros and several options.
+%
+%\DescribeMacro{\pd@tocslide}
+%\DescribeMacro{\pd@tocsection}
+%These macros take one argument. When building the table of contents,
+%\pf{powerdot} first passes the content through |\pd@tocslide| or
+%|\pd@tocsection|, depending on the type of entry that it is building
+%at that moment. You could, for instance, do
+%\begin{example}
+% \def\pd@tocslide#1{$\bullet$\ #1}
+% \def\pd@tocsection#1{#1}
+%\end{example}
+%which will prefix all normal entries (not the sections) with a
+%bullet. By default, these two macros are defined to just pass on
+%their argument.
+%
+%\DescribeMacro{\pd@tocdisplay}
+%\DescribeMacro{\pd@tochighlight}
+%These two macros also take one argument. After processing an entry
+%with the command |\pd@tocslide| or |\pd@tocsection|, \pf{powerdot}
+%continues building the entry by passing it through |\pd@tocdisplay|,
+%when the entry needs to be displayed only, or |\pd@tochighlight|,
+%when the entry needs to be highlighted. These macros are a little
+%more involved and take care of putting the content in the proper
+%font and color in a |minipage|. Further, |\pd@tochighlight| also
+%puts a box around the item.
+%
+%Several aspects of this process can be controlled via the keys that
+%are available in the |\pddefinetemplate| command that will be
+%described in a moment. If these keys do not provide enough handles
+%to do what you want, you might need to have a look at these two
+%macros in the source and decide to rewrite them in your style as to
+%fit your needs.
+%
+%\begin{description}
+%\item\DescribeOption{tocfrsep}\option{tocfrsep}\\
+%This length is the distance between the box around the content
+%created by the |minipage| and the highlight frame box created by
+%|\pd@tochighlight|. Default: |0.5mm|.
+%\item\DescribeOption{tocsecsep}\option{tocsecsep}\\
+%The vertical distance inserted above a section (unless it is the
+%first element in the table of contents). Default: |2ex|
+%\item\DescribeOption{tocslidesep}\option{tocslidesep}\\
+%The vertical distance inserted above other entries (unless it is the
+%first element in the table of contents). Default: |0ex|.
+%\item\DescribeOption{tocsecindent}\option{tocsecindent}\\
+%The horizontal space left to a section entry. Default: |0pt|.
+%\item\DescribeOption{tocslideindent}\option{tocslideindent}\\
+%The horizontal space left to a slide entry. The horizontal skip will
+%not be inserted left to slide entries that appear before the first
+%section. Default: |0pt|.
+%\item\DescribeOption{tocsecm}\option{tocsecm}\\
+%This is inserted just before typesetting a section. This can be used
+%to mark a section, for instance with a line as in the \pf{default}
+%style. Default: empty.
+%\item\DescribeOption{toctcolor}\option{toctcolor}\\
+%This is the text color used for non-highlighted elements in the
+%table of contents. Default: |black|.
+%\item\DescribeOption{tochltcolor}\option{tochltcolor}\\
+%This is the text color used for highlighted elements in the table of
+%contents. Default: |white|.
+%\item\DescribeOption{tochlcolor}\option{tochlcolor}\\
+%This is the color used for the frame behind highlighted elements.
+%Default: |black|.
+%\end{description}
+%
+%\subsection{Miscellaneous options}\label{sec:miscoptions}
+%There is one option that fall outside of the scope of the previous
+%section. It will be discussed here.
+%
+%\DescribeOption{iacolor}
+%The |iacolor| option can be used to specify the color that is used
+%for inactive things, produced for instance by |\onslide|, |\pause|
+%(see section~\ref{sec:overlays}) and |\tableofcontents| (see
+%section~\ref{sec:tableofcontents}). As \pf{xcolor} is used by
+%\pf{powerdot}, one can use special notation here, like
+%\begin{example}
+% iacolor=black!20
+%\end{example}
+%The default value for this key is |lightgray|.
+%
+%\subsection{The background}
+%This leaves only one argument of the |\pddefinetemplate| macro
+%undiscussed. This is the \meta{commands} argument. This argument can
+%contain any code that you want to execute \textit{after} setting the
+%options and \textit{before} building the slide components like the
+%slide title, main text, and footers. This argument is designed to
+%contain declarations that will build the background of a template
+%using, for instance, \pf{pstricks}, but it can also hold other
+%commands you might need for building your template.
+%
+%Important to notice is that these commands may not create \TeX\
+%material as that might destroy the construction of the slide. So, if
+%you want to place the word `Hello' in the bottom left corner of the
+%slide, don't type `Hello', but make its width, height and depth
+%equal to zero, for instance by using \pf{pstricks}' |\rput|.
+%\begin{example}
+% \rput[bl](0,0){Hello}
+%\end{example}
+%
+%\subsection{Title slide, titles and sections}\label{sec:specialtemps}
+%As mentioned before, the style that you write needs to define at
+%least the templates |slide| and |titleslide|. The latter treats some
+%of the keys in a special way. Besides, a section slide is also done
+%in a special way.
+%
+%The title slide (made with |\maketitle|) puts the title with
+%author(s) and date in the main text box. This means that you have to
+%supply a position for the main text box (|textpos|). It will use the
+%main text font for the text (together with declarations in the
+%|textfont| key) for the author(s) and the date. But it will use the
+%declarations in |titlefont| for the title of the presentation. This
+%is done so that title and author(s) form a coherent block and to
+%make sure that long titles can push down the author(s) instead of
+%overwriting it.
+%
+%\DescribeMacro{\pd@slidetitle}
+%The |\pd@slidetitle| macro is used to typeset the slide title on
+%slides. This macro is comparable to for instance |\pd@tocslide|. The
+%macro takes one argument which is the slide title in the right font
+%and formatting. By default, this macro just passes on the content
+%for typesetting, but you could redefine this macro so do something
+%with its input prior to typesetting it. An example is in the
+%\pf{fyma} style which underlines the title after putting it in a
+%|minipage| to support multi line titles.
+%
+%\DescribeMacros{\pd@title,\pd@sectiontitle}
+%These macros are similar to |\pd@slidetitle| and typeset the title
+%on the title slide and the title on section slides respectively. By
+%default, these also pass there argument (which is the presentation
+%title or section title), but these can be redefined to do something
+%with the input prior to typesetting it, just as |\pd@slidetitle|.
+%
+%\DescribeOptions{sectemp,widesectemp}
+%The |\section| command uses (by default) the |slide| environment and
+%puts the section title in the title box with font |titlefont|. If
+%you want to change the default use of the |slide| environment for
+%sections to, for instance, the |sectionslide| environment or any
+%other especially designed section template, change the section
+%template preset in your style, using
+%\begin{example}
+% \setkeys[pd]{section}{sectemp=sectionslide}
+%\end{example}
+%This means that if the user asks for |template=slide| in the
+%|\section| command, the |sectionslide| environment will be used
+%silently. To avoid surprises, |sectionslide| should preferably be
+%based on the |slide| environment.
+%
+%A similar option is available in case the user asks for
+%|template=wideslide|. One could for instance do the following.
+%\begin{example}
+% \setkeys[pd]{section}{widesectemp=sectionwideslide}
+%\end{example}
+%Whenever the user requests a |wideslide| to be used for a
+%|\section|, instead, the |sectionwideslide| environment will be
+%used. Other input to the |template| key by the user does not get a
+%special treatment.
+%
+%Notice that these keys are available in the |section| family of keys
+%and that you cannot use them in the |\pddefinetemplate| command.
+%
+%\subsection{Testing the style}\label{sec:styletest}
+%\pf{powerdot} has a test file that should test most of the style.
+%This test file can be produced by running \LaTeX\ over
+%|powerdot.dtx|. This generates |powerdot-styletest.tex| which will
+%help you with the testing job. Feel free to contact us when you
+%would like to contribute your style to \pf{powerdot}. See also
+%section~\ref{sec:questions}.
+%
+%\section{Using \LyX\ for presentations}\label{sec:lyx}
+%\LyX\ \cite{LyXWeb} is a WYSIWYM (What You See Is What You Mean)
+%document processor based on \LaTeX. It supports standard \LaTeX\
+%classes but needs special files, called layout files, in order to
+%support non-standard classes such as \pf{powerdot}.
+%
+%To start using \LyX\ for \pf{powerdot} presentations, copy the
+%layout file |powerdot.layout| to the \LyX\ layout directory. You can
+%find this file in the doc tree of your \LaTeX\ installation:
+%\url{texmf/doc/latex/powerdot}. If you can't find it there, download
+%it from \url{CTAN:/macros/latex/contrib/powerdot/doc}. Once that is
+%done, reconfigure \LyX\ (\texttt{Edit\LyXarrow Reconfigure} and
+%restart \LyX\ afterwards). Now you can use the \pf{powerdot}
+%document class as any other supported class. Go to
+%\texttt{Layout\LyXarrow Document} and select \texttt{powerdot
+%presentation} as document class. For more information, see the \LyX\
+%documentation, which is accessible from the |Help| menu.
+%
+%\subsection{How to use the layout}
+%\pf{powerdot} \LyX\ layout provides some environments\footnote{Don't
+%confuse these with \LaTeX\ environments.} which can be used in \LyX.
+%Some of these environments (for instance |Title| or |Itemize|) are
+%natural to use since they exist also in the standard document
+%classes such as \pf{article}. For more information on these standard
+%environments, see the \LyX\ documentation.
+%
+%This section will explain how to use the \pf{powerdot} specific
+%environments |Slide|, |WideSlide|, |EmptySlide| and |Note|. These
+%environments correspond to the \pf{powerdot} environments |slide|,
+%|emptyslide|, |wideslide| and |note|.
+%
+%We start with a simple example. The following \LaTeX\ code
+%\begin{example}
+% \begin{slide}{Slide title}
+%   Slide content.
+% \end{slide}
+%\end{example}
+%can be obtained using the following \LyX\ environments. The right
+%column represents the text typed into the \LyX\ window and the left
+%column represents the environment applied to this text).
+%\begin{example}
+% Slide         Slide title
+% Standard      Slide content.
+% EndSlide
+%\end{example}
+%Some remarks concerning this example.
+%\begin{itemize}[leftmargin=0pt,itemsep=0pt,parsep=0pt]
+%\item You can use the environment menu (under the menu bar, top-left
+%corner) to change the environment applied to text.
+%\item The slide title should be typed on the line of the |Slide|
+%environment.
+%\item |EndSlide| finishes the slide and its line is left blank.
+%\end{itemize}
+%
+%In the \LyX\ window, the |Slide| environment (that is, the slide
+%title) is displayed in magenta, the |WideSlide| style in green, the
+%|EmptySlide| style in cyan and the |Note| style in red and hence
+%these are easily identifiable.
+%
+%Here is another example.
+%\begin{example}
+% \begin{slide}{First slide title}
+%   The first slide.
+% \end{slide}
+% \begin{note}{First note title}
+%   The first note, concerning slide 1.
+% \end{note}
+% \begin{slide}{Second slide title}
+%   The second slide.
+% \end{slide}
+%\end{example}
+%This can be done in \LyX\ in the following way.
+%\begin{example}
+% Slide         First slide title
+% Standard      The first slide.
+% Note          First note title
+% Standard      The first note, concerning slide 1.
+% Slide         Second slide title
+% Standard      The second slide.
+% EndSlide
+%\end{example}
+%This example demonstrates that it is often sufficient to insert the
+%|EndSlide| style after the last slide or note only. Only when you
+%want certain material not to be part of a slide, you need to finish
+%the preceding slide manually using the |EndSlide| style. Example:
+%\begin{example}
+% Slide         First slide title
+% Standard      The first slide.
+% EndSlide
+% [ERT box with some material]
+% Slide         Second slide title
+% ...
+%\end{example}
+%You could use this, for instance, to have verbatim material on
+%slides (see also section~\ref{sec:FAQ}).
+%
+%\subsection{Support of syntax}
+%This section lists options, commands and environments that are
+%supported through the \LyX\ interface directly, without using an ERT
+%box (\TeX-mode).
+%
+%All class options (see section~\ref{sec:classopts}) are supported
+%via the \texttt{Layout\LyXarrow Document} dialog (|Layout| pane).
+%Options for the |\pdsetup| command (see section~\ref{sec:setup})
+%should be specified in the |Preamble| pane of the
+%\texttt{Layout\LyXarrow Document} dialog.
+%
+%Table \vref{tab:lyxcommands} lists the \pf{powerdot} commands that
+%are supported in \LyX.
+%\begin{table}[htb]
+%\centering
+%\begin{tabular}{f}
+%Command & Method in \LyX\\\hline
+%\cs{title} & Use \texttt{Title} environment.\\
+%\cs{author} & Use \texttt{Author} environment.\\
+%\cs{date} & Use \texttt{Date} environment.\\
+%\cs{maketitle} & Managed directly by \LyX.\\
+%\cs{section} & Use the \texttt{Section} environment. Options to this
+%command (see section~\ref{sec:section}) can be specified using
+%\texttt{Insert\LyXarrow Short title} in front of the section title.\\
+%\cs{tableofcontents} & Use \texttt{Insert\LyXarrow Lists \&
+%TOC\LyXarrow Table of contents}. You will need an ERT box if you
+%want to use the optional argument, see below.
+%\end{tabular}
+%\caption{Supported \pf{powerdot} commands in \LyX}\label{tab:lyxcommands}
+%\end{table}
+%Table \vref{tab:lyxenvs} lists the \pf{powerdot} environments that,
+%besides the earlier discussed |slide|, |wideslide|, |note| and
+%|emptyslide| environments, are supported in \LyX.
+%\begin{table}[htb]
+%\centering
+%\begin{tabular}{f}
+%Environment & Method in \LyX\\\hline
+%\texttt{itemize} & Use \texttt{Itemize} and \texttt{ItemizeType1}
+%environments. The latter will create a list with |type=1| (see
+%section~\ref{sec:lists}).\\
+%\texttt{enumerate} & Use \texttt{Enumerate} and
+%\texttt{EnumerateType1} environments.\\
+%\texttt{thebibliography} & Use \texttt{Bibliography} environment.
+%\end{tabular}
+%\caption{Supported \pf{powerdot} environments in \LyX}\label{tab:lyxenvs}
+%\end{table}
+%Table \vref{tab:lyxERT} lists commands that can only be done by using
+%an ERT box (via \texttt{Insert\LyXarrow TeX}).
+%\begin{table}[htb]
+%\centering
+%\begin{tabular}{f}
+%Command & Method in \LyX\\\hline
+%\cs{and} & Within \texttt{Author} environment.\\
+%\cs{pause} & \\
+%\cs{item} & An ERT box is only required for the optional argument,
+%not mandatory for overlays specifications.\\
+%\cs{onslide} & And the versions \cs{onslide+} and \cs{onslide*}.\\
+%\cs{twocolumn} & \\
+%\cs{tableofcontents} & Only when using the optional argument.
+%\end{tabular}
+%\caption{\pf{powerdot} commands needing an ERT box in \LyX}\label{tab:lyxERT}
+%\end{table}
+%Note that you may use the clipboard in order to repeat often used
+%commands like |\pause|. Finally, table \vref{tab:lyxadd} lists
+%additional commands and environments that are supported by the layout.
+%\begin{table}[htb]
+%\centering
+%\begin{tabular}{f}
+%Env./Command & Method in \LyX\\\hline
+%\texttt{quote} & Use \texttt{Quote} environment.\\
+%\texttt{quotation} & Use \texttt{Quotation} environment.\\
+%\texttt{verse} & Use \texttt{Verse} environment.\\
+%\cs{caption} & Use \texttt{Caption} environment within standard
+%float environments.
+%\end{tabular}
+%\caption{Additional environments for \LyX}\label{tab:lyxadd}
+%\end{table}
+%
+%\subsection{Compiling with \LyX}
+%First of all, make sure that you have also read
+%section~\ref{sec:compiling}. Then, in order to get a proper
+%PostScript or PDF file, you have to set your \LyX\ document
+%properties depending on which paper and orientation you want. When
+%your \LyX\ document is open, go to the \texttt{Layout\LyXarrow
+%Document} dialog. In the \texttt{Layout} pane, put the |nopsheader|,
+%|orient| and |paper| keys as class options (see
+%section~\ref{sec:classopts} for a description). Then, go to the
+%|Paper| pane and select corresponding paper size and orientation
+%(you may choose |letter| paper in the case you set |paper=screen| in
+%the class options). Finally, go to the |View| (or
+%\texttt{File\LyXarrow Export}) menu and select your output
+%(PostScript or PDF).
+%
+%\subsection{Extending the layout}
+%If you have created a custom style (see section~\ref{sec:writestyle})
+%which defines custom templates, you may want to extend the layout
+%file\footnote{The LPPL dictates to rename a file if you modify it as
+%to avoid confusion.} so that these templates are also supported in
+%\LyX. The explanation below assumes that you have defined a template
+%called |sunnyslide|.
+%
+%To support this new template in \LyX, you have to use the following
+%command.
+%\begin{command}
+% `\cs{pddefinelyxtemplate}\meta{cs}\marg{template}'
+%\end{command}
+%\DescribeMacro{\pddefinelyxtemplate}
+%This will define the control sequence \meta{cs} such that it will
+%create a slide with template \meta{template} (which has been defined
+%using |\pddefinetemplate|. This new control sequence can be used in
+%the layout file as follows.
+%\begin{example}
+% # SunnySlide environment definition
+% Style SunnySlide
+%   CopyStyle     Slide
+%   LatexName     lyxend\lyxsunnyslide
+%   Font
+%     Color       Yellow
+%   EndFont
+%   Preamble
+%     \pddefinelyxtemplate\lyxsunnyslide{sunnyslide}
+%   EndPreamble
+% End
+%\end{example}
+%Note that you must begin the |LatexName| field with |lyxend|. The
+%definition of the \LyX\ template has been inserted in between
+%|Preamble| and |EndPreamble| which assures that the new \LyX\
+%environment will work. After modifying the layout file, don't forget
+%to restart \LyX. See for more information about creating \LyX\
+%environments, the documentation of \LyX\ in the |Help| menu.
+%
+%\section{Questions}\label{sec:questions}
+%\subsection{Frequently Asked Questions}\label{sec:FAQ}
+%This section is devoted to Frequently Asked Questions. Please read
+%it carefully; your problem might be solved by this section.
+%\begin{itemize}[leftmargin=0pt]
+%\question
+%Does \pf{powerdot} have example files? Where can I find them?
+%\answer
+%\pf{powerdot} comes with several examples that should be in the doc
+%tree of your \LaTeX\ installation. More precisely:
+%\url{texmf/doc/latex/powerdot}. If you can't find them there,
+%download them from \url{CTAN:/macros/latex/contrib/powerdot}
+%\cite{CTAN}.
+%\question I'm getting errors or unexpected output when compiling
+%the simplest example!
+%\answer Did you read section~\ref{sec:compiling}?
+%\question I made a typo in the slide code, ran the file, got an
+%error, corrected the typo and reran, but now get an error that
+%doesn't go away.
+%\answer Remove the |.bm| and |.toc| files and try again.
+%\question
+%My figure/table produces the error: \texttt{Not in outer par mode}.
+%\answer
+%You have asked \LaTeX\ to float the figure or table using something like
+%\begin{example}
+% \begin{figure}[htb]
+%\end{example}
+%\LaTeX\ has nowhere to float the figure or table to. Remove the
+%optional argument (here |[htb]|) and the figure or table will work.
+%\question How can I put verbatim text on slides?
+%\answer You can do this by using a temporary box to store the material
+%in or, for instance, the \pf{fancyvrb} package which has a special
+%environment for this. See two examples below.
+%\begin{minipage}[t]{.49\linewidth}
+%\begin{example}
+% \documentclass{powerdot}
+% \usepackage{listings}
+% \newsavebox\someverb
+% \begin{document}
+% \begin{lrbox}{\someverb}
+% \begin{lstlisting}
+% Some text.
+% \end{lstlisting}
+% \end{lrbox}
+% \begin{slide}{Listing}
+%   \usebox\someverb
+% \end{slide}
+% \end{document}
+%\end{example}
+%\end{minipage}\hfill
+%\begin{minipage}[t]{.49\linewidth}
+%\begin{example}
+% \documentclass{powerdot}
+% \usepackage{fancyvrb}
+% \begin{document}
+% \begin{SaveVerbatim}{someverb}
+% Some text.
+% \end{SaveVerbatim}
+% \begin{slide}{Verbatim}
+%   \BUseVerbatim{someverb}
+% \end{slide}
+% \end{document}
+%\end{example}
+%\end{minipage}
+%\question |\pause| does not work in the |align|\footnote{There are
+%several environments doing similar things as \texttt{align}. Another
+%example is the \texttt{split} environment, but more (often from the
+%\pf{amsmath} package) can cause similar trouble for \cs{pause}.}
+%environment.
+%\answer |align| does several tricky things, which make it impossible
+%to use |\pause|. Use |\onslide| instead. See
+%section~\ref{sec:onslide}.
+%\question My \pf{pstricks} nodes appear on all overlays. Also: color
+%doesn't seem to work with |\onslide|.
+%\answer Some PostScript tricks like nodes and color do not work with
+%|\onslide|. Use |\onslide*| instead. See an example below.
+%\begin{example}
+% \documentclass{powerdot}
+% \usepackage{pst-node}
+% \begin{document}
+% \begin{slide}{Color}
+% \onslide*{2}{\cnode(0,-5pt){2pt}{A}}
+% This is {\onslide*{2-}{\color{red}} red} text.
+% \onslide*{2}{\cnode(0,-5pt){2pt}{B}}
+% \onslide{2}{\ncline{A}{B}}
+% \end{slide}
+% \end{document}
+%\end{example}
+%\question Can I contribute to this project?
+%\answer
+%Certainly. If you find bugs\footnote{Make sure that you confirm that
+%the bug is really caused by \pf{powerdot} and not by another package
+%that you use.} or typos, please send a message to the mailinglist
+%(see section~\ref{sec:mailinglist}). If you have developed your own
+%style that is distinct from existing styles and would like to see it
+%included in \pf{powerdot}, please inform us by private e-mail and we
+%will consider your contribution. Notice that included contributions
+%will fall under the overall \pf{powerdot} license and copyright
+%notice, but that your name will be included in the documentation
+%when you make a contribution. This is done to guarantee that we can
+%adapt files if maintenance is needed.
+%\end{itemize}
+%
+%If your question has not been answered at this point, advance to the
+%next section to read where to find more answers.
+%
+%\subsection{Mailinglist}\label{sec:mailinglist}
+%\pf{powerdot} has a mailinglist from \url{freelists.org} and has its
+%website here:
+%\begin{center}
+%\url{http://www.freelists.org/list/powerdot}
+%\end{center}
+%There is a link to `List Archive'. Please search this archive before
+%posting a question. Your problem might already have been solved in
+%the past.
+%
+%If that is not the case, use the box on the page to type your e-mail
+%address, choose the action `Subscribe' and click `Go!'. Then follow
+%the instructions that arrive to you by e-mail. At a certain moment,
+%you can login for the first time using an authorization code sent to
+%you by e-mail. After logging in, you can create a password for
+%future sessions using the `Main Menu' button. The other buttons
+%provide you some info and options for your account.
+%
+%When you are all set, you can write to the list by sending an e-mail
+%to
+%\begin{center}
+%\url{powerdot [at] freelists [dot] org}
+%\end{center}
+%
+%When writing to the list, please keep in mind the following very
+%important issues.
+%\begin{enumerate}[leftmargin=0pt,itemsep=0pt,parsep=0pt]
+%\item We are volunteers!
+%\item Keep your questions related to \pf{powerdot}.
+%\item Always supply a \emph{minimal} example demonstrating your
+%problem.
+%\item Don't send big files over the list.
+%\end{enumerate}
+%
+%We hope you will enjoy this service.
+%
+%\section{Source code documentation}\label{sec:source}
+%In case you want regenerate the package files from the source or
+%want to have a look at the source code description, locate
+%|powerdot.dtx|, search in the file for |\OnlyDescription| and remove
+%that and do
+%\begin{example}
+% latex powerdot.dtx
+% latex powerdot.dtx
+% bibtex powerdot
+% makeindex -s gglo.ist -o powerdot.gls powerdot.glo
+% makeindex -s gind.ist -o powerdot.ind powerdot.idx
+% latex powerdot.dtx
+% latex powerdot.dtx
+%\end{example}
+%
+%\StopEventually{}
+%
+%\section{Implementation}\label{sec:imple}
+%\subsection{General construction}
+%This section explains the general idea of the class, how paper
+%dimensions are chosen and how slides are created. We start with the
+%paper.
+%
+%This class uses the same idea as \pf{prosper} and \pf{HA-prosper},
+%namely that we create a background with \pf{pstricks} and position
+%text on it using |\rput| and some |minipage| environments. This is
+%easier than writing a dedicated output routine that can handle all
+%the material, but doesn't break pages when we don't want that. So,
+%when starting to write the class, we first investigated how to deal
+%with landscape slides and paper dimensions.
+%
+%The job of making landscape slides can be done using \pf{geometry}.
+%The paper dimension was more of a problem. As \LaTeX\ doesn't have
+%the huge fonts that we need for presentations, we need to scale the
+%usual fonts somehow. This could be done by using unusual paper
+%dimensions (as \pf{beamer} does) and hence relying on ps2pdf to cut
+%off all the redundant material. But this doesn't produce a usable
+%DVI or PS file. Instead, it was chosen to use DVI magnification. The
+%entire slide is magnified by a factor of 2 and only the top left
+%quarter of the paper is used (but you will never notice that due to
+%the magnification). As we already decided to place all material in
+%|minipage|s using |\rput|, we didn't need the page anymore and it
+%was easiest to use \pf{geometry} to just remove the page margins
+%altogether so that the bottom left corner would be |(0,0)| and the
+%top right corner |(\slidewidth,\slideheight)|.
+%
+%One extra remark on the paper type is necessary. We found that most
+%common configurations of dvips use the |A4size| code when A4
+%dimensions are found. This code doesn't write an explicit PostScript
+%paper command in the PS document and hence programs using this PS
+%(like ps2pdf) don't know what paper to use and revert to the
+%default, which is letter paper in most cases. This, of course, is
+%something that we don't want and hence, \pf{powerdot} will write
+%these commands to the PS itself as to guarantee proper post
+%processing of the PS.
+%
+%Now that we made the decisions on how to create proper DVI, PS and
+%PDF output, the next task was to create an easy interface to
+%overlays. To avoid counting the overlays as is necessary with
+%\pf{prosper}, we implemented a system that first collects the entire
+%body of an environment in a macro which can be reused multiple
+%times. During execution of the body, the overlay commands like
+%|\onslide| will keep a record of the biggest number that they find
+%and that is the number of overlays to produce. Getting the body of
+%the environment is done by collecting all material up to the next
+%|\end| occurrence. If that control sequence has the proper argument
+%(namely the slide that we started with), then we stop scanning and
+%start processing the slide. With normal use, you will not notice
+%this, but when doing special tricks like hiding |\end{slide}| in a
+%macro, the process will fail as it relies on finding |\end{slide}|
+%in the input stream without doing expansions. Often a work around
+%can be found though. Have a look for instance at how |\section|
+%creates a slide.
+%
+%The next task was to provide a simple way to create templates. As
+%the class is based on the idea of having a background with some
+%material spread out over it, the template system follows this idea.
+%One argument can be used to create the background, the other
+%argument controls, via keys and options, several properties of the
+%material that should be placed. By adding an |ifsetup| key, full
+%control could be gained over the design of the template in every
+%possible setup chosen by the user.
+%
+%The final task for the class was to fill in all the `details'. All
+%the mechanisms were present, but sometimes they should not be
+%active. For instance, overlays should not be created in handout
+%mode. Other things to add to the class were counter protection on
+%overlays, handles to the layout of the slide number, footnotes, a
+%bibliography environment, empty slides, etcetera.
+%
+%We hope that this section has made clear a little bit what you will
+%be seeing when reading the next section with coding and why we chose
+%to do it this way.
+%
+% \subsection{The code}
+%    \begin{macrocode}
+%<*powerdot>
+%    \end{macrocode}
+% Identification.
+%    \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesClass{powerdot}
+  [2005/10/09 v1.2 powerdot presentation class (HA,CE)]
+%    \end{macrocode}
+% Initializations.
+%    \begin{macrocode}
+\newif\ifpd@overlay
+\newif\ifpd@section
+\newif\ifpd@ifsetup
+\newcounter{note}
+\newcounter{slide}
+\newcounter{pd@pause}
+\newcounter{pd@section}
+\newcounter{pd@overlay}
+\newcounter{pd@trivlist}
+\newcounter{pd@onslidedepth}
+\newbox\pd@tba
+\newbox\pd@tbb
+\newtoks\pd@body
+\newwrite\pd@bmout
+\newwrite\pd@tocout
+\newlength\pd@frsep
+\newlength\pd@colsep
+\newlength\slidewidth
+\newlength\slideheight
+\let\pd@cursetup\@empty
+%    \end{macrocode}
+% Setup options section.
+%    \begin{macrocode}
+\RequirePackage{xkeyval}[2005/07/10]
+%    \end{macrocode}
+% Orientation.
+%    \begin{macrocode}
+\define@choicekey*[pd]{class}{orient}[\pd@tempa\pd@orient]{%
+  landscape,portrait}[landscape]{%
+  \XKV@addtolist@x\pd@cursetup\pd@tempa
+}
+%    \end{macrocode}
+% Paper type.
+%    \begin{macrocode}
+\define@choicekey*[pd]{class}{paper}[\pd@tempa\pd@paper]{%
+  screen,a4paper,letterpaper}[screen]{%
+  \XKV@addtolist@x\pd@cursetup\pd@tempa
+}
+%    \end{macrocode}
+% Display type.
+%    \begin{macrocode}
+\define@choicekey*[pd]{class}{display}[\pd@tempa\pd@display]{%
+  slides,notes,slidesnotes}[slides]{%
+  \XKV@addtolist@x\pd@cursetup\pd@tempa
+}
+%    \end{macrocode}
+% Mode.
+%    \begin{macrocode}
+\define@choicekey*[pd]{class}{mode}[\pd@tempa\pd@mode]{%
+  present,print,handout}[present]{%
+  \XKV@addtolist@x\pd@cursetup\pd@tempa
+}
+%    \end{macrocode}
+% Some boolean keys.
+%    \begin{macrocode}
+\define@boolkeys[pd]{class}[pd@@]{%
+  nopsheader,hlentries,hlsections,blackslide,nopagebreaks%
+}[true]
+%    \end{macrocode}
+% The size and style to be used.
+%    \begin{macrocode}
+\define@cmdkey[pd]{class}[pd@@]{size}[11pt]{%
+  \def\pd@tempa##1pt{##1}%
+  \edef\pd@@size{\expandafter\pd@tempa\pd@@size}%
+}
+\define@cmdkey[pd]{class}[pd@@]{style}[default]{}
+%    \end{macrocode}
+% Some usual article options.
+%    \begin{macrocode}
+\define@key[pd]{class}{fleqn}[]{\input{fleqn.clo}}
+\define@key[pd]{class}{leqno}[]{\input{leqno.clo}}
+%    \end{macrocode}
+% Some presets, used in case the user doesn't supply enough input.
+%    \begin{macrocode}
+\presetkeys[pd]{class}{%
+  size,style,orient,paper,display,hlentries,mode}{}
+%    \end{macrocode}
+% Process all options.
+%    \begin{macrocode}
+\ProcessOptionsX[pd]<class>\relax
+%    \end{macrocode}
+% \begin{macro}{\pd@warn}
+% \begin{macro}{\pd@error}
+% \marg{msg}\\
+% Warnings and errors.
+%    \begin{macrocode}
+\def\pd@warn{\ClassWarning{powerdot}}
+\def\pd@error#1{\ClassError{powerdot}{#1}\@ehd}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@noportrait}
+% The standard error for styles that do not support portrait orientation.
+%    \begin{macrocode}
+\def\pd@noportrait{%
+  \ifnum\pd@orient=\@ne\ifnum\pd@mode=2\else\pd@error{%
+    `\pd@@style' style does not support portrait orientation
+  }\fi\fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\@nameedef}
+% \marg{csname}\\
+% Similar as |\@namedef|, but uses |\edef| to define the command with
+% name \meta{csname}.
+%    \begin{macrocode}
+\def\@nameedef#1{\expandafter\edef\csname#1\endcsname}
+%    \end{macrocode}
+% \end{macro}
+% Check paper for print and handout mode. No |screen| allowed.
+%    \begin{macrocode}
+\ifnum\pd@mode>0
+  \ifnum\pd@paper=\z@
+%    \end{macrocode}
+% Remove erroneous input.
+%    \begin{macrocode}
+    \@expandtwoargs\@removeelement{screen}\pd@cursetup\pd@cursetup
+%    \end{macrocode}
+% Switch to a4paper.
+%    \begin{macrocode}
+    \XKV@addtolist@x\pd@cursetup{a4paper}
+    \def\pd@paper{1}
+    \pd@warn{you can't use `screen' format for this mode;
+      \MessageBreak I've switched to a4paper
+    }
+  \fi
+\fi
+%    \end{macrocode}
+% Check orientation for handout mode. No |landscape| allowed.
+%    \begin{macrocode}
+\ifnum\pd@mode=2
+  \ifnum\pd@orient=\z@
+%    \end{macrocode}
+% Remove erroneous input.
+%    \begin{macrocode}
+    \@expandtwoargs\@removeelement{landscape}\pd@cursetup\pd@cursetup
+%    \end{macrocode}
+% Switch to portrait.
+%    \begin{macrocode}
+    \XKV@addtolist@x\pd@cursetup{portrait}
+    \def\pd@orient{1}
+    \pd@warn{you can't use `landscape' for handout mode;
+      \MessageBreak I've switched to portrait
+    }
+  \fi
+\fi
+%    \end{macrocode}
+% Pass paper size and orientation to \pf{geometry} package.
+%    \begin{macrocode}
+\ifcase\pd@paper
+  \def\pd@tempa{papersize={8.25in,11in}}
+\or
+  \def\pd@tempa{papersize={210mm,297mm}}
+\or
+  \def\pd@tempa{papersize={8.5in,11in}}
+\fi
+\ifnum\pd@orient=\z@
+  \edef\pd@tempa{\pd@tempa,landscape}
+\else
+  \edef\pd@tempa{\pd@tempa,portrait}
+\fi
+\PassOptionsToPackage\pd@tempa{geometry}
+%    \end{macrocode}
+% Load class and packages.
+%    \begin{macrocode}
+\LoadClass{article}
+%    \end{macrocode}
+% Load font size definitions. Take into account that article has
+% loaded some already. This trick actually also allows bigger sizes like
+% 14pt or 20pt.
+%    \begin{macrocode}
+\let\pd@tempa\newcommand
+\let\newcommand\def
+\input{size\pd@@size.clo}
+\let\newcommand\pd@tempa
+%    \end{macrocode}
+% Remaining packages.
+%    \begin{macrocode}
+\ifnum\pd@mode=2
+%    \end{macrocode}
+% Handout mode.
+%    \begin{macrocode}
+  \RequirePackage[margin=2cm,includefoot]{geometry}
+\else
+%    \end{macrocode}
+% Magnify DVI by factor 2, no margins at all.
+% The offset is to neutralize the |\vskip| inserted by TeX to
+% go from the top of the letters to the baseline and position chars
+% there. Here we don't want any offset and start at the bottom left
+% corner of the paper.
+%    \begin{macrocode}
+  \RequirePackage[mag=2000,margin=0pt,voffset=-\pd@@size pt]{geometry}
+  \geometry{top=.5\paperheight}
+\fi
+%    \end{macrocode}
+% Mute \pf{geometry}.
+% The info slows down compilation. Further, it is not at all
+% informative for the user as we made the design decisions already.
+%    \begin{macrocode}
+\let\Gm@showparams\@empty
+%    \end{macrocode}
+% \pf{hyperref} should not set ps paper size as it doesn't do landscape format
+% we don't want it to redefine internals either.
+%    \begin{macrocode}
+\RequirePackage[setpagesize=false,dvips,pdfstartview=Fit,%
+  pageanchor=false,bookmarks=false]{hyperref}
+%    \end{macrocode}
+% For some strange reason, it doesn't work to put the below in the above.
+% So we do it here as we don't want colored borders.
+%    \begin{macrocode}
+\AtBeginDocument{\def\@pdfborder{0 0 0}}
+%    \end{macrocode}
+% Necessary for inserting and creating graphics. Notice: \pf{pstricks}
+% needs to be loaded after \pf{graphicx} for proper |\scalebox| definition.
+% We make sure that \pf{xcolor} is loaded.
+%    \begin{macrocode}
+\RequirePackage{graphicx}
+\RequirePackage{pstricks}[2004/05/12]
+\RequirePackage{xcolor}[2004/05/09]
+%    \end{macrocode}
+%    \begin{macrocode}
+\RequirePackage{enumitem}[2004/07/19]
+%    \end{macrocode}
+% Avoid floating tables and figures.
+%    \begin{macrocode}
+\RequirePackage{float}
+\newfloat{table}{H}{lot}
+\newfloat{figure}{H}{lof}
+%    \end{macrocode}
+% Here are some basic properties of the slides.
+%    \begin{macrocode}
+\ifnum\pd@mode<2
+  \pagestyle{empty}
+\fi
+%    \end{macrocode}
+% \changes{v1.1}{2005/09/19}{Avoid making black slide in print mode}
+% No black slide in handout or print mode.
+%    \begin{macrocode}
+\ifnum\pd@mode>0
+  \pd@@blackslidefalse
+\fi
+\setlength\parindent{0pt}
+%    \end{macrocode}
+% Slide dimensions.
+%    \begin{macrocode}
+\setlength\slidewidth{.5\paperwidth}
+\setlength\slideheight{.5\paperheight}
+%    \end{macrocode}
+% Write landscape correction to the ps to avoid ps to be rotated by
+% 180 degrees.
+%    \begin{macrocode}
+\ifnum\pd@orient=\z@
+  \AtBeginDvi{\special{!/landplus90 true store}}
+\fi
+%    \end{macrocode}
+% Write paper dimensions.
+% The specials solve a config problem with ghostscript not picking up info from
+% ps, due to the fact that some paper formats defined in config.ps do
+% not write explicit ps commands. For instance, when dvips finds a4 paper dimensions,
+% it writes |%%Papersize: A4|, but no ps command. So ghostscript doesn't
+% find a paper size and takes it's default which could be |letter|
+% in fact.
+% Notice further that screen size is based on letter, but will be cropped in pdf.
+%    \begin{macrocode}
+\ifpd@@nopsheader\else
+  \AtBeginDvi{\special{papersize=\the\paperwidth,\the\paperheight}}
+  \ifcase\pd@paper
+    \AtBeginDvi{\special{!%
+      \@percentchar\@percentchar BeginPaperSize: letter
+      ^^Jletter^^J\@percentchar\@percentchar EndPaperSize
+    }}
+  \or
+    \AtBeginDvi{\special{!%
+      \@percentchar\@percentchar BeginPaperSize: a4
+      ^^Ja4^^J\@percentchar\@percentchar EndPaperSize
+    }}
+  \or
+    \AtBeginDvi{\special{!%
+      \@percentchar\@percentchar BeginPaperSize: letter
+      ^^Jletter^^J\@percentchar\@percentchar EndPaperSize
+    }}
+  \fi
+\fi
+%    \end{macrocode}
+% Crop pdf for optimal screen ratio. This does not work in DVI or PS.
+% Note, the ps rotation takes care of orientation irrespective of
+% crop dimensions.
+%    \begin{macrocode}
+\ifcase\pd@paper\def\@pdfpagescrop{0 0 594 842}\fi
+%    \end{macrocode}
+% \pf{hyperref} writes this to the pdf.
+%    \begin{macrocode}
+\def\@pdfcreator{LaTeX with powerdot class}
+\ifpd@@blackslide\def\@pdfstartpage{2}\fi
+%    \end{macrocode}
+% Some things to be done |\AtBeginDocument|. We make a
+% copy of |\default@color| for several things below. Then we insert
+% a black slide if requested.
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \let\pd@color\XC@current@color
+  \ifpd@@blackslide
+    \begin{blackslide}[toc=,bm=,trans=Replace]{}%
+    \end{blackslide}%
+  \fi
+}
+%    \end{macrocode}
+% Save the number of the last slide at the end of the document.
+%    \begin{macrocode}
+\AtEndDocument{%
+  \immediate\write\@auxout{\string\newlabel{lastslide}%
+    {{}{\the\c@slide}{\relax}{}{}}}%
+}
+%    \end{macrocode}
+% Set up options. |global| is for global only keys (so to be used only
+% in the preamble. |slide| is only for slides. |glslide| keys can be
+% used in both locations.
+% The following keys just store their input to be positioned by the slide later.
+%    \begin{macrocode}
+\define@cmdkeys[pd]{global}[pd@@]{lf,rf}[]
+%    \end{macrocode}
+% Create an interface to change the typesetting of the page numbers.
+% This follows the usual \LaTeX\ idea to change typesetting of numbers
+% via |\thepage| etcetera.
+%    \begin{macrocode}
+\define@key[pd]{global}{theslide}[]{\def\theslide{#1}}
+\define@key[pd]{global}{thenote}[]{\def\thenote{#1}}
+%    \end{macrocode}
+% Options to be used by \pf{enumitem}. These store input incrementally
+% in macros used by \pf{enumitem} to store options. By allowing options
+% to be added, both the style and the user can insert options.
+%    \begin{macrocode}
+\define@key[pd]{global}{enumerate}{%
+  \ifx\enit@enum\@undefined
+    \def\enit@enum{#1}%
+  \else
+    \XKV@addtolist@n\enit@enum{#1}%
+  \fi
+}
+\define@key[pd]{global}{itemize}{%
+  \ifx\enit@item\@undefined
+    \def\enit@item{#1}%
+  \else
+    \XKV@addtolist@n\enit@item{#1}%
+  \fi
+}
+\define@key[pd]{global}{list}{%
+  \ifx\enit@list\@undefined
+    \def\enit@list{#1}%
+  \else
+    \XKV@addtolist@n\enit@list{#1}%
+  \fi
+}
+%    \end{macrocode}
+% Counters that need overlay protection.
+%    \begin{macrocode}
+\define@key[pd]{global}{counters}{%
+  \XKV@addtolist@n\pd@@counters{#1}%
+}
+%    \end{macrocode}
+% Initialize the counters list.
+%    \begin{macrocode}
+\def\pd@@counters{table,figure,equation,footnote,mpfootnote}
+%    \end{macrocode}
+% Transition effect.
+%    \begin{macrocode}
+\define@cmdkey[pd]{glslide}[pd@@]{trans}{}
+%    \end{macrocode}
+% Initialize some of the keys that we just defined.
+%    \begin{macrocode}
+\setkeys[pd]{global,glslide}{%
+  lf,rf,theslide=\arabic{slide}~/~\pageref*{lastslide},%
+  thenote=note~\arabic{note}~of~slide~\arabic{slide},%
+  trans=Replace%
+}
+%    \end{macrocode}
+% Disable global only keys |\AtBeginDocument|.
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \disable@keys[pd]{global}{lf,rf,list,counters,theslide,thenote}%
+}
+%    \end{macrocode}
+% \begin{macro}{\pdsetup}
+% The interface for users.
+%    \begin{macrocode}
+\def\pdsetup{\setkeys[pd]{global,glslide}}
+%    \end{macrocode}
+% \end{macro}
+% Local keys: |toc| and |bm|.
+%    \begin{macrocode}
+\define@cmdkeys[pd]{slide}[pd@@]{toc,bm}
+%    \end{macrocode}
+% \begin{macro}{\pdifsetup}
+% \marg{desired}\marg{yes}\marg{no}\\
+% Execute \meta{yes} if the \meta{desired} setup matches with the
+% current (user) setup. Execute \meta{no} else. We first check whether
+% information in \meta{desired} is complete. If not, we amend it.
+%    \begin{macrocode}
+\def\pdifsetup#1{%
+  \edef\pd@tempb{#1}%
+  \pd@pdifsetup\pd@tempb{landscape,portrait}%
+  \pd@pdifsetup\pd@tempb{screen,a4paper,letterpaper}%
+  \pd@pdifsetup\pd@tempb{slides,notes,slidesnotes}%
+  \pd@pdifsetup\pd@tempb{present,print,handout}%
+  \pd@pdifs@tup\pd@tempb
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdifsetup}
+% \meta{desired}\marg{check}\\
+% This macro checks whether at least one element of \meta{check}
+% occurs in the list in \meta{desired}. If not, the entire list in
+% \meta{check} is added to \meta{desired}, meaning that later on, any
+% setup for this type will satisfy the check.
+%    \begin{macrocode}
+\def\pd@pdifsetup#1#2{%
+  \in@true
+  \@tempcnta\z@
+  \XKV@for@n{#2}\pd@tempa{%
+    \@expandtwoargs\in@{,\pd@tempa,}{,#1,}%
+    \ifin@\advance\@tempcnta\@ne\fi
+  }%
+  \ifnum\@tempcnta=\z@\XKV@addtolist@x#1{#2}\fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdifs@tup}
+% \marg{desired}\marg{yes}\marg{no}\\
+% Checks whether the \meta{desired} setup matches the current setup.
+% This macro is used internally when setting template keys. The idea
+% is to first correct the input in the |ifsetup| key by amending
+% specifications if they where not there. Then, when setting a
+% template key, we just check whether all elements of the current
+% setup appear in the \meta{desired} setup.
+%    \begin{macrocode}
+\def\pd@pdifs@tup#1{%
+  \in@true
+  \XKV@whilist\pd@cursetup\pd@tempa\ifin@\fi{%
+    \@expandtwoargs\in@{,\pd@tempa,}{,#1,}%
+  }%
+  \ifin@\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi
+}
+%    \end{macrocode}
+% \end{macro}
+% Set up the template system.
+% First define all the options and presets available to create
+% templates. All options save their argument to be used later.
+% The |ifsetup| option controls for which the following options should
+% be used. This:
+% |textfont=\raggedright,| |ifsetup={a4paper,portrait},textfont=\small|
+% makes the text font |\small|, but only for a4 portrait slides.
+%    \begin{macrocode}
+\def\pd@tempa#1{%
+  \define@key[pd]{template}{#1}[]{%
+    \ifpd@ifsetup\@namedef{pd@@#1}{##1}\fi
+  }%
+}
+%    \end{macrocode}
+% Define all keys.
+%    \begin{macrocode}
+\XKV@for@n{%
+  titlehook,titlepos,titlewidth,titlefont,%
+  texthook,textpos,textwidth,textfont,textheight,%
+  tochook,tocpos,tocwidth,tocfont,%
+  stochook,stocpos,stocwidth,stocfont,%
+  ntochook,ntocpos,ntocwidth,ntocfont,%
+  tocfrsep,tocsecsep,tocslidesep,%
+  tocsecm,toctcolor,tochlcolor,tochltcolor,%
+  tocsecindent,tocslideindent,%
+  lfhook,lfpos,lffont,lftemp,%
+  rfhook,rfpos,rffont,rftemp,%
+  iacolor%
+}\pd@tempb{\expandafter\pd@tempa\expandafter{\pd@tempb}}
+%    \end{macrocode}
+% The |ifsetup| key first amends missing input using |\pd@pdifsetup|.
+%    \begin{macrocode}
+\define@cmdkey[pd]{template}[pd@@]{ifsetup}[]{%
+  \pd@pdifsetup\pd@@ifsetup{landscape,portrait}%
+  \pd@pdifsetup\pd@@ifsetup{screen,a4paper,letterpaper}%
+  \pd@pdifsetup\pd@@ifsetup{slides,notes,slidesnotes}%
+  \pd@pdifsetup\pd@@ifsetup{present,print,handout}%
+  \pd@pdifs@tup\pd@@ifsetup\pd@ifsetuptrue\pd@ifsetupfalse
+}
+%    \end{macrocode}
+% Default layout so that templates do not need to specify every key.
+% This also initializes some keys as to avoid errors in constructing
+% the slide.
+%    \begin{macrocode}
+\setkeys[pd]{template}{%
+  ifsetup,%
+  titlehook=Bl,titlepos,titlewidth=\slidewidth,%
+  titlefont=\raggedright,texthook=lt,textpos,%
+  textwidth=\slidewidth,textfont=\raggedright,%
+  textheight=\slideheight,%
+  tochook=lt,tocpos,tocwidth=.2\slidewidth,%
+  tocfont=\tiny\raggedright,%
+  stochook=lt,stocpos,stocwidth=.2\slidewidth,%
+  stocfont=\tiny\raggedright,%
+  ntochook=lt,ntocpos,ntocwidth=.2\slidewidth,%
+  ntocfont=\tiny\raggedright,%
+  tocfrsep=.5mm,tocsecsep=2ex,tocslidesep=0ex,%
+  tocsecm,toctcolor=black,tochlcolor=black,tochltcolor=white,%
+  tocsecindent=0pt,tocslideindent=0pt,%
+  lfhook=lB,lfpos,lffont=\scriptsize,lftemp=\pd@@lf,%
+  rfhook=rB,rfpos,rffont=\scriptsize,rftemp=\pd@@rf\ifx\pd@@rf\@empty
+    \else\ifx\theslide\@empty\else~--~\fi\fi\theslide,%
+  iacolor=lightgray%
+}
+%    \end{macrocode}
+% \begin{macro}{\pddefinetemplate}
+% Define a template. This stores options and the background to macros.s
+%    \begin{macrocode}
+\def\pddefinetemplate{\@testopt\pd@pddefinetemplate{}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pddefinetemplate}
+% \changes{v1.2}{2005/10/09}{Changed to \cs{pd@namelet} for changed \pf{xcolor}}
+% \oarg{basis}{name}{options}{background}\\
+% Store options and background and define the environment \meta{name}.
+%    \begin{macrocode}
+\def\pd@pddefinetemplate[#1]#2#3#4{%
+%    \end{macrocode}
+% The beginning of the environment just gets and sets its arguments
+% and gets the body of the environment.
+%    \begin{macrocode}
+  \@namedef{#2}{\pd@getargsandbody{#2}}%
+%    \end{macrocode}
+% The end of the environment. We process the body at least once, maybe
+% more times, but that we will find out along the way.
+%    \begin{macrocode}
+  \@namedef{end#2}{\pd@slide}%
+%    \end{macrocode}
+% If there is no basis, we just store the options and the background.
+%    \begin{macrocode}
+  \ifx\@empty#1\@empty
+    \@namedef{pd@template@#2@options}{\setkeys[pd]{template}{#3}}%
+    \@namedef{pd@template@#2@bg}{#4}%
+  \else
+%    \end{macrocode}
+% Otherwise, add options and background to existing macros.
+%    \begin{macrocode}
+    \XKV@ifundefined{pd@template@#1@options}{%
+      \pd@error{template `#1' undefined}}{%
+      \pd@namelet{pd@template@#2@options}{pd@template@#1@options}%
+      \expandafter
+%    \end{macrocode}
+% Make sure to reset the |ifsetup| key so that options are for all
+% possible setups again.
+%    \begin{macrocode}
+        \XKV@addtomacro@n\csname pd@template@#2@options\endcsname
+        {\setkeys[pd]{template}{ifsetup,#3}}%
+      \pd@namelet{pd@template@#2@bg}{pd@template@#1@bg}\expandafter
+      \XKV@addtomacro@n\csname pd@template@#2@bg\endcsname{#4}%
+    }%
+  \fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@namelet}
+% \marg{cs1}\marg{cs2}\\
+% Copy the replacement text of macro with name \meta{cs2} to the macro
+% with name \meta{cs1}. We use a private version as |\@namelet| has
+% many conflicting definitions is different packages.
+%    \begin{macrocode}
+\def\pd@namelet#1#2{%
+  \expandafter\let\csname#1\expandafter\endcsname\csname#2\endcsname
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@getargsandbody}
+% \marg{name}\\
+% First eat the optional argument and the slide title. Then
+% collect the body of the slide: we
+% read every time up to |\end|, we check whether we find the |\end| that
+% has the name of the current slide environment. If not, we add all
+% content and continue the search.
+%    \begin{macrocode}
+\def\pd@getargsandbody#1{\@testopt{\pd@get@rgsandbody{#1}}{}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@get@rgsandbody}
+% \marg{name}\oarg{options}\marg{title}
+%    \begin{macrocode}
+\def\pd@get@rgsandbody#1[#2]#3{%
+%    \end{macrocode}
+% Set user keys.
+%    \begin{macrocode}
+  \setkeys[pd]{glslide,slide}{#2}%
+%    \end{macrocode}
+% Save title.
+%    \begin{macrocode}
+  \def\pd@t@tle{#3}%
+%    \end{macrocode}
+% Initialize the token and start parsing.
+%    \begin{macrocode}
+  \pd@body{}%
+  \pd@get@rgs@ndbody{#1}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@get@rgs@ndbody}
+% \marg{name}\meta{text}|\end|\marg{envir}\\
+% If \meta{envir} is equal to \meta{name}, we found the end of the
+% environment and stop parsing. Otherwise, we add material to the token
+% and continue.
+%    \begin{macrocode}
+\long\def\pd@get@rgs@ndbody#1#2\end#3{%
+  \def\pd@tempa{#1}%
+  \def\pd@tempb{#3}%
+  \ifx\pd@tempa\pd@tempb
+    \pd@body\expandafter{\the\pd@body#2}%
+    \def\pd@tempa{\end{#1}}%
+  \else
+    \pd@body\expandafter{\the\pd@body#2\end{#3}}%
+    \def\pd@tempa{\pd@get@rgs@ndbody{#1}}%
+  \fi
+  \pd@tempa
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@slide}
+% Perform some initial checks to see whether we actually need to process
+% this slide or not.
+%    \begin{macrocode}
+\def\pd@slide{%
+  \def\pd@tempa{note}%
+  \let\pd@tempb\pd@sl@de
+  \ifcase\pd@display
+    \ifx\@currenvir\pd@tempa\let\pd@tempb\relax\fi
+  \or
+    \ifx\@currenvir\pd@tempa\else
+      \def\pd@tempa{titleslide}%
+      \ifx\@currenvir\pd@tempa\else
+        \let\pd@tempb\relax
+        \stepcounter{slide}%
+      \fi
+    \fi
+  \fi
+  \pd@tempb
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@sl@de}
+% This macro processes the slide, possibly many times, depending on
+% what we encounter on the first run.
+%    \begin{macrocode}
+\def\pd@sl@de{%
+  \pd@overlayfalse
+  \def\pd@nooverlays{1}%
+  \setcounter{pd@overlay}\@ne
+  \let\pd@labels\@empty
+  \pd@savecounters
+  \pd@sl@d@
+  \@whilenum\c@pd@overlay<\pd@nooverlays\do{%
+    \pd@overlaytrue
+    \pd@restorecounters
+    \stepcounter{pd@overlay}%
+    \pd@sl@d@
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@sl@d@}
+% \changes{v1.1}{2005/09/19}{Added missing \cs{pd@currenttype} initialization}
+% \changes{v1.2}{2005/10/09}{Added \cs{@currentlabel} definition}
+% This is the main slide producing macro.
+%    \begin{macrocode}
+\def\pd@sl@d@{%
+  \stepcounter{slide}\newpage
+  \edef\@currentlabel{\the\c@slide}%
+%    \end{macrocode}
+% Initialize the overlays and switch to overlay 0. The material on this
+% overlay will be visible.
+%    \begin{macrocode}
+  \pst@Verb{InitOL /TheOL (0) def}%
+  \pst@Verb{(0) BOL}%
+%    \end{macrocode}
+% Load all template settings.
+%    \begin{macrocode}
+  \@nameuse{pd@template@\@currenvir @options}%
+%    \end{macrocode}
+% Insert background. Execute in a group to avoid local settings getting out.
+%    \begin{macrocode}
+  {\@nameuse{pd@template@\@currenvir @bg}}%
+%    \end{macrocode}
+% Write transition effect to PDF.
+%    \begin{macrocode}
+  \pd@pdftrans
+  \ifpd@overlay
+%    \end{macrocode}
+% If this is an overlay, reset the page counter.
+%    \begin{macrocode}
+    \addtocounter{slide}\m@ne
+  \else
+%    \end{macrocode}
+% When not an overlay or note, make a bookmark and toc entry.
+%    \begin{macrocode}
+    \def\pd@tempa{note}%
+    \ifx\@currenvir\pd@tempa\else
+      \pd@maketocbm0%
+%    \end{macrocode}
+% Make a target on this page so that we can make links to this page.
+% We don't use pdf page links as that won't give good link in handout
+% mode with 2 slides per page.
+%    \begin{macrocode}
+      \hyper@anchorstart{slide.\the\c@slide}\hyper@anchorend
+    \fi
+  \fi
+%    \end{macrocode}
+% Initialize numbers and macros for relative stepping and pausing.
+% |\pd@currentstate| remembers the state when doing overlays.
+%    \begin{macrocode}
+  \def\pd@reloverlay{1}%
+  \let\pd@closeitem\relax
+  \def\pd@currentstate{0}%
+  \let\pd@currenttype\relax
+  \setcounter{pd@pause}\@ne
+  \let\pd@revert\@firstofone
+  \setcounter{pd@onslidedepth}\z@
+%    \end{macrocode}
+% Position the title.
+%    \begin{macrocode}
+  \ifx\pd@@titlepos\@empty\else
+    \def\pd@tempa{%
+      \begin{minipage}\pd@@titlewidth
+      \pd@@titlefont\strut
+      \ifpd@section
+        \expandafter\pd@sectiontitle\expandafter{\pd@t@tle}%
+      \else
+        \expandafter\pd@slidetitle\expandafter{\pd@t@tle}%
+      \fi
+      \end{minipage}%
+    }%
+    \rput[\pd@@titlehook](\pd@@titlepos){%
+      \ifpd@@blackslide
+        \hyperlink{blackslide}{\pd@tempa}%
+      \else
+        \pd@tempa
+      \fi
+    }%
+  \fi
+%    \end{macrocode}
+% Position the table of contents, possibly split.
+%    \begin{macrocode}
+  \ifx\pd@@tocpos\@empty\else
+    \rput[\pd@@tochook](\pd@@tocpos){%
+      \begin{minipage}\pd@@tocwidth
+      \let\pd@usedtocfont\pd@@tocfont\pd@puttoc0%
+      \end{minipage}%
+    }%
+  \fi
+  \ifx\pd@@stocpos\@empty\else
+    \rput[\pd@@stochook](\pd@@stocpos){%
+      \begin{minipage}\pd@@stocwidth
+      \let\pd@usedtocfont\pd@@stocfont\pd@puttoc1%
+      \end{minipage}%
+    }%
+  \fi
+  \ifx\pd@@ntocpos\@empty\else
+    \rput[\pd@@ntochook](\pd@@ntocpos){%
+      \begin{minipage}\pd@@ntocwidth
+      \let\pd@usedtocfont\pd@@ntocfont\pd@puttoc2%
+      \end{minipage}%
+    }%
+  \fi
+%    \end{macrocode}
+% Position left and right footer.
+%    \begin{macrocode}
+  \ifx\pd@@lfpos\@empty\else
+    \rput[\pd@@lfhook](\pd@@lfpos){\pd@@lffont\pd@@lf}%
+  \fi
+  \ifx\pd@@rfpos\@empty\else
+    \rput[\pd@@rfhook](\pd@@rfpos){\pd@@rffont\pd@@rftemp}%
+  \fi
+%    \end{macrocode}
+% Position the main text box and put the material in.
+%    \begin{macrocode}
+  \ifx\pd@@textpos\@empty\else
+    \rput[\pd@@texthook](\pd@@textpos){%
+      \begin{pd@minipage}%
+      \pd@@textfont\the\pd@body
+      \end{pd@minipage}%
+    }%
+  \fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@minipage}
+% \begin{macro}{\endpd@minipage}
+% Adapted version of the |minipage| environment to do normal footnote
+% typesetting.
+%    \begin{macrocode}
+\def\pd@minipage{%
+  \leavevmode
+  \@pboxswfalse
+  \setlength\@tempdima\pd@@textwidth
+  \def\@mpargs{{t}{\pd@@textheight}[t]{\pd@@textwidth}}%
+  \setbox\@tempboxa\vbox\bgroup
+    \color@begingroup
+      \hsize\@tempdima
+      \textwidth\hsize
+      \columnwidth\hsize
+      \@parboxrestore
+      \let\@footnotetext\@mpfootnotetext
+      \let\@listdepth\@mplistdepth
+      \@mplistdepth\z@
+      \@minipagerestore
+      \@setminipage
+}
+\def\endpd@minipage{%
+    \par
+    \unskip
+    \ifvoid\@mpfootins\else
+      \vfill
+      \normalcolor
+      \footnoterule
+      \unvbox\@mpfootins
+    \fi
+    \@minipagefalse
+  \color@endgroup
+  \egroup
+  \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@savecounters}
+% Store the value of counters before entering the first overlay.
+%    \begin{macrocode}
+\def\pd@savecounters{%
+  \XKV@for@o\pd@@counters\pd@tempa{%
+    \expandafter\xdef\csname pd@counter@\pd@tempa\endcsname{%
+      \expandafter\the\csname c@\pd@tempa\endcsname
+    }%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@restorecounters}
+% Reset counters on following overlays.
+%    \begin{macrocode}
+\def\pd@restorecounters{%
+  \XKV@for@o\pd@@counters\pd@tempa{%
+    \setcounter{\pd@tempa}{\csname pd@counter@\pd@tempa\endcsname}%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \changes{v1.2}{2005/10/09}{Redefine \cs{pd@slidetitle} in note template}
+% The implementation of notes.
+% The first macro is a temporary counter to find whether the new note
+% still belongs to the current slide or that it belongs to a new slide.
+%    \begin{macrocode}
+\def\pd@notet{0}
+%    \end{macrocode}
+% Define the template using our mechanism.
+%    \begin{macrocode}
+\pddefinetemplate{note}{%
+  titlepos={.04\slidewidth,.92\slideheight},%
+  titlefont=\let\pd@slidetitle\@firstofone\color{black}\Large,%
+  textpos={.07\slidewidth,.82\slideheight},%
+  textfont=\color{black},textwidth=.86\slidewidth,%
+  lfpos={.04\slidewidth,.035\slideheight},%
+  lffont=\color{black}\scriptsize,%
+  rfpos={.96\slidewidth,.035\slideheight},%
+  rffont=\color{black}\scriptsize,%
+  rftemp=\pd@@rf\ifx\pd@@rf\@empty\else
+    \ifx\thenote\@empty\else~--~\fi\fi\thenote,%
+}{%
+  \addtocounter{slide}\m@ne
+%    \end{macrocode}
+% If this is another note with the same slide, count it.
+%    \begin{macrocode}
+  \ifnum\c@slide=\pd@notet
+    \stepcounter{note}%
+  \else
+    \setcounter{note}{1}%
+  \fi
+  \xdef\pd@notet{\the\c@slide}%
+%    \end{macrocode}
+% The background.
+%    \begin{macrocode}
+  \psline[linewidth=.5pt](0,.87\slideheight)%
+    (\slidewidth,.87\slideheight)%
+  \psline[linewidth=.5pt](0,.08\slideheight)%
+    (\slidewidth,.08\slideheight)%
+}
+%    \end{macrocode}
+% Implement blackslide.
+% This is an empty slide with just a very big button on it to go back
+% to the original page where we came from.
+%    \begin{macrocode}
+\pddefinetemplate{blackslide}{}{%
+  \addtocounter{slide}\m@ne
+  \hyper@anchorstart{blackslide}\hyper@anchorend
+  \psframe*[linecolor=black](0,0)(\slidewidth,\slideheight)%
+  {\color{black}%
+  \rput[cm](.5\slidewidth,.5\slideheight){%
+  \Acrobatmenu{GoBack}{\setlength\fboxsep{10cm}\fbox{GoBack}}}}%
+}
+%    \end{macrocode}
+% Empty slides. For special uses like displaying big tables or photos.
+%    \begin{macrocode}
+\pddefinetemplate{emptyslide}{textpos={0,\slideheight}}{}
+%    \end{macrocode}
+% \begin{macro}{\maketitle}
+% This implementation
+% is more or less similar as what is in \pf{article}. First we make a
+% backup of the original |\maketitle| to be used maybe in handout mode,
+% see below.
+%    \begin{macrocode}
+\let\pd@orig@maketitle\maketitle
+\def\maketitle{%
+  \begin{titleslide}[toc=,bm=,trans=Replace]{}%
+    \let\footnote\thanks
+    \def\thefootnote{\@fnsymbol\c@footnote}%
+    {\pd@title{\pd@@titlefont\@title}\par}{%
+      \vskip2em\pd@@textfont
+      \begin{tabular}[t]{c}%
+        \@author
+      \end{tabular}\par
+      \vskip1.5em\small\@date
+    }\par
+    \small\@thanks
+    \vfil\null
+  \end{titleslide}%
+  \c@footnote\z@
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@maketocbm}
+% \marg{type}\\
+% \meta{type} indicates the kind of entry that we need to write to toc and
+% or bookmark file. 0 is a normal slide, 1 is a section, 2 is a hidden
+% section. The title of the entry is assumed to be in |\pd@slidetitle|.
+%    \begin{macrocode}
+\def\pd@maketocbm#1{%
+%    \end{macrocode}
+% Make the bookmark entry so that it allows for easy counting of entries
+% in sections.
+%    \begin{macrocode}
+  \def\pd@tempa{\immediate\write\pd@bmout{%
+    \string\pdbookmark{sec.\the\c@pd@section\ifnum#1=\z@.slide\fi}{%
+    \ifnum#1=\z@ sec.\the\c@pd@section\fi}{\the\c@slide}%
+    {\the\@temptokena}%
+  }}%
+%    \end{macrocode}
+% Notice that |\pd@@bm| can be undefined at every slide, even after
+% use on one slide, as the definition is done locally in the slide
+% environment. So no resetting is necessary on the start of a slide.
+%    \begin{macrocode}
+  \ifx\pd@@bm\@undefined
+    \@temptokena\expandafter{\pd@t@tle}%
+  \else
+    \ifx\pd@@bm\@empty
+      \let\pd@tempa\relax
+    \else
+      \@temptokena\expandafter{\pd@@bm}%
+    \fi
+  \fi
+  \pd@tempa
+%    \end{macrocode}
+% Write the toc entry.
+%    \begin{macrocode}
+  \def\pd@tempa{\immediate\write\pd@tocout{%
+    \string\pdcontentsline{#1}{\the\c@slide}{\the\@temptokena}%
+  }}%
+  \ifx\pd@@toc\@undefined
+    \@temptokena\expandafter{\pd@t@tle}%
+  \else
+    \ifx\pd@@toc\@empty
+      \let\pd@tempa\relax
+    \else
+      \@temptokena\expandafter{\pd@@toc}%
+    \fi
+  \fi
+  \pd@tempa
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pdbookmark}
+% \marg{sec1}\marg{sec2}\marg{target}\marg{title}\\
+% First we defined |\pdbookmark| to count the number of bookmarks
+% that needs to be nested below every section bookmark. We need to
+% know that for the pdf bookmark specification.
+%    \begin{macrocode}
+\def\pdbookmark#1#2#3#4{%
+  \@tempcnta\pd@pdb@@kmark{#2}%
+  \advance\@tempcnta\@ne
+  \@nameedef{pd@be@#2}{\the\@tempcnta}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdb@@kmark}
+% \changes{v1.1}{2005/09/19}{Solved bug with unexpandable \cs{XKV@ifundefined}
+%   when not running the $\varepsilon$-\TeX\ engine (e.g. te\TeX\ 2)}
+% \marg{section}\\
+% Returns the number of slides that we already counter for the
+% current section. Don't use |\XKV@ifundefined| here as that is not
+% expandable when not running $\varepsilon$-\TeX\ engine.
+%    \begin{macrocode}
+\def\pd@pdb@@kmark#1{%
+  \@ifundefined{pd@be@#1}0{\csname pd@be@#1\endcsname}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdbookmark}
+% \changes{v1.2}{2005/10/09}{Solved bug with Acrobat Distiller}
+% \marg{sec1}\marg{sec2}\marg{target}\marg{title}\\
+% Redefine the macro to make the actual bookmark.
+%    \begin{macrocode}
+\def\pd@pdbookmark#1#2#3#4{%
+%    \end{macrocode}
+% Use |\pdfstringdef| to clean the title. Not everything can enter as
+% a bookmark in pdf.
+%    \begin{macrocode}
+  \pdfstringdef\pd@tempa{#4}%
+  \pdfmark{pdfmark=/OUT,%
+    Count={\pd@pdb@@kmark{#1}},Dest={slide.#3},%
+    View={/XYZ null null null},Title={\pd@tempa}%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pdcontentsline}
+% \marg{type}\marg{target}\marg{title}\\
+% Saves all input arguments to macros with names like |\pd@te@i|.
+% Further, it computes with a lag the starting and stopping targets
+% for every entry, |\pd@te@i@start| and |\pd@te@i@stop|.
+%    \begin{macrocode}
+\def\pdcontentsline#1#2#3{%
+  \ifnum\@tempcnta>\z@
+    \@nameedef{pd@te@\the\@tempcnta @start}{\pd@tempa}%
+    \@namedef{pd@te@\the\@tempcnta @stop}{#2}%
+  \fi
+  \def\pd@tempa{#2}%
+  \advance\@tempcnta\@ne
+  \@namedef{pd@te@\the\@tempcnta}{%
+    \pdcontentsline{#1}{#2}{#3}%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \changes{v1.1}{2005/09/19}{Reading \texttt{.bm} and \texttt{.toc}
+% file \cs{AtBeginDocument} to allow for using \pf{inputenc} for toc
+% and bm entries}
+% Read the bm and toc files into memory to speed up compilation.
+% Along the way, we compute the starting and stopping target numbers
+% for highlighting toc entries and the number of slides to be nested
+% under a section bookmark entry. At begin document for allowing
+% loading of \pf{inputenc} also for bm and toc entries.
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \InputIfFileExists{\jobname.bm}{}{}%
+  \let\pdbookmark\pd@pdbookmark
+  \InputIfFileExists{\jobname.bm}{}{}%
+%    \end{macrocode}
+% Rewrite the bookmarks file.
+%    \begin{macrocode}
+  \immediate\openout\pd@bmout\jobname.bm\relax
+  \@tempcnta\z@
+  \def\pd@tempa{0}%
+  \InputIfFileExists{\jobname.toc}{}{}%
+%    \end{macrocode}
+% Save the number of toc entries.
+%    \begin{macrocode}
+  \edef\pd@notocentries{\the\@tempcnta}%
+%    \end{macrocode}
+% Compute the starting and stopping number for the last entry.
+%    \begin{macrocode}
+  \@tempcntb\pd@tempa
+  \advance\@tempcntb\@ne
+  \@nameedef{pd@te@\the\@tempcnta @start}{\pd@tempa}%
+  \@nameedef{pd@te@\the\@tempcnta @stop}{\the\@tempcntb}%
+%    \end{macrocode}
+% Rewrite the toc file.
+%    \begin{macrocode}
+  \immediate\openout\pd@tocout\jobname.toc\relax
+%    \end{macrocode}
+% Initialize the |\pdcontentsline| macro for making toc entries.
+%    \begin{macrocode}
+  \let\pdcontentsline\pd@pdcontentsline
+}
+%    \end{macrocode}
+% \begin{macro}{\pd@puttoc}
+% \marg{type}\\
+% Typeset the table of contents of type \meta{type} from memory.
+%    \begin{macrocode}
+\def\pd@puttoc#1{%
+%    \end{macrocode}
+% Initialize some numbers that we will use.
+%    \begin{macrocode}
+  \@tempcnta\z@
+  \@tempcntb\z@
+  \@tempswatrue
+  \def\pd@toctype{#1}%
+%    \end{macrocode}
+% Parse all available toc entries.
+%    \begin{macrocode}
+  \@whilenum\@tempcnta<\pd@notocentries\do{%
+    \advance\@tempcnta\@ne
+    \@nameuse{pd@te@\the\@tempcnta}%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdcontentsline}
+% \changes{v1.1}{2005/09/19}{Solved bug using different toc widths}
+% \marg{type}\marg{target}\marg{title}\\
+% Typesets a toc entry.
+%    \begin{macrocode}
+\def\pd@pdcontentsline#1#2#3{%
+  \let\pd@tempa\relax
+%    \end{macrocode}
+% Full table of contents (sections and slides).
+%    \begin{macrocode}
+  \ifcase\pd@toctype
+%    \end{macrocode}
+% A normal slide.
+%    \begin{macrocode}
+    \ifcase#1\relax
+%    \end{macrocode}
+% Slides before section 1.
+%    \begin{macrocode}
+      \ifnum\@tempcntb=\z@
+        \let\pd@tempa\pd@tocdisplay
+      \else
+%    \end{macrocode}
+% A slide in the current section.
+%    \begin{macrocode}
+        \ifnum\@tempcntb=\c@pd@section
+          \let\pd@tempa\pd@tocdisplay
+        \fi
+      \fi
+    \or
+%    \end{macrocode}
+% A normal section.
+%    \begin{macrocode}
+      \global\advance\@tempcntb\@ne
+      \let\pd@tempa\pd@tocdisplay
+    \or
+%    \end{macrocode}
+% A hidden section.
+%    \begin{macrocode}
+      \global\advance\@tempcntb\@ne
+      \ifnum\@tempcntb=\c@pd@section
+        \let\pd@tempa\pd@tocdisplay
+      \fi
+    \fi
+  \or
+%    \end{macrocode}
+% Typeset only sections.
+%    \begin{macrocode}
+    \ifcase#1\relax\or
+%    \end{macrocode}
+% A normal section.
+%    \begin{macrocode}
+      \global\advance\@tempcntb\@ne
+      \let\pd@tempa\pd@tocdisplay
+    \or
+%    \end{macrocode}
+% A hidden section.
+%    \begin{macrocode}
+      \global\advance\@tempcntb\@ne
+      \ifnum\@tempcntb=\c@pd@section
+        \let\pd@tempa\pd@tocdisplay
+      \fi
+    \fi
+  \or
+%    \end{macrocode}
+% Only slides in current section or before the first section.
+%    \begin{macrocode}
+    \ifnum#1=\z@
+%    \end{macrocode}
+% An entry in the current section.
+%    \begin{macrocode}
+      \ifnum\@tempcntb=\c@pd@section
+        \let\pd@tempa\pd@tocdisplay
+      \fi
+    \else
+%    \end{macrocode}
+% Count sections.
+%    \begin{macrocode}
+      \global\advance\@tempcntb\@ne
+    \fi
+  \fi
+  \ifpd@@hlentries\ifx\pd@tempa\relax\else
+    \ifnum#1=\z@
+%    \end{macrocode}
+% A normal highlighted slide.
+%    \begin{macrocode}
+      \ifnum\c@slide<\@nameuse{pd@te@\the\@tempcnta @start}%
+      \else
+        \ifnum\c@slide<\@nameuse{pd@te@\the\@tempcnta @stop}%
+          \let\pd@tempa\pd@tochighlight
+        \fi
+      \fi
+    \else
+      \ifpd@@hlsections
+%    \end{macrocode}
+% A highlighted section.
+%    \begin{macrocode}
+        \ifnum\@tempcntb=\c@pd@section
+          \let\pd@tempa\pd@tochighlight
+        \fi
+      \else
+%    \end{macrocode}
+% A section with a page.
+%    \begin{macrocode}
+        \ifnum#2=\c@slide\ifnum\@nameuse{pd@te@\the
+          \@tempcnta @stop}=\c@slide\else
+          \let\pd@tempa\pd@tochighlight
+        \fi\fi
+      \fi
+    \fi
+  \fi\fi
+%    \end{macrocode}
+% Build the entry, but only if the entry should be visible.
+%    \begin{macrocode}
+  \ifx\pd@tempa\relax\else
+%    \end{macrocode}
+% Some skip. Load the font settings so that skips like |.6ex| work
+% properly.
+%    \begin{macrocode}
+    \if@tempswa\@tempswafalse\else
+      \pd@usedtocfont
+      \ifnum#1=\z@\vskip\pd@@tocslidesep\else\vskip\pd@@tocsecsep\fi
+    \fi
+%    \end{macrocode}
+% Add a section marker.
+%    \begin{macrocode}
+    \ifnum#1=\z@\else\pd@@tocsecm\fi
+%    \end{macrocode}
+% Output the entry. This works as follows.
+% The text |#3| is passed through one macro of |\pd@tocslide| or
+% |\pd@tocsection| which adds a `per entry layout' (eg a bullet).
+% Then |\pd@tempa| (which is |\pd@tocdisplay| or |\pd@tochighlight|)
+% displays the item as requested and |\hyperlink| adds a link to the entry.
+% The lengths |\@tempdima| and |\@tempdimb| contain the horizontal
+% indent and the remaining space for the entry respectively. The first
+% entry does not get an indent if it is a slide.
+%    \begin{macrocode}
+    \ifcase\pd@toctype
+      \@tempdimb\pd@@tocwidth
+    \or
+      \@tempdimb\pd@@stocwidth
+    \or
+      \@tempdimb\pd@@ntocwidth
+    \fi
+    \ifnum#1=\z@
+      \ifnum\@tempcntb=\z@\@tempdima\z@\else
+        \@tempdima\pd@@tocslideindent
+        \advance\@tempdimb-\pd@@tocslideindent
+      \fi
+      \hyperlink{slide.#2}{\pd@tempa{\pd@tocslide{#3}}}%
+    \else
+      \@tempdima\pd@@tocsecindent
+      \advance\@tempdimb-\pd@@tocsecindent
+      \hyperlink{slide.#2}{\pd@tempa{\pd@tocsection{#3}}}%
+    \fi
+    \par
+  \fi
+}
+%    \end{macrocode}
+% \end{macro}
+% The keys for the |\tableofcontents| macro.
+%    \begin{macrocode}
+\define@choicekey[pd]{toc}{content}[\pd@tempa\pd@content]{%
+  all,sections,currentsection,future,futuresections}[all]{}
+\define@choicekey[pd]{toc}{type}[\pd@tempa\pd@type]{0,1}[0]{}
+\presetkeys[pd]{toc}{content,type}{}
+%    \end{macrocode}
+% \begin{macro}{\tableofcontents}
+% Typesets overviews.
+%    \begin{macrocode}
+\def\tableofcontents{\@testopt\pd@tableofcontents{}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@tableofcontents}
+% \oarg{options}\\
+% Workhorse.
+%    \begin{macrocode}
+\def\pd@tableofcontents[#1]{%
+%    \end{macrocode}
+% To keep definitions like |\pd@@type| (reused in |itemize|) local.
+%    \begin{macrocode}
+  \begingroup
+%    \end{macrocode}
+% Set keys with use input.
+%    \begin{macrocode}
+  \setkeys[pd]{toc}{#1}%
+%    \end{macrocode}
+% This keeps track of whether we are in a hidden section.
+%    \begin{macrocode}
+  \let\pd@tempc\z@
+  \def\pdcontentsline##1##2##3{%
+%    \end{macrocode}
+% Count sections in the toc.
+%    \begin{macrocode}
+    \ifnum##1>\z@\advance\@tempcntb\@ne\fi
+%    \end{macrocode}
+% Used for additional markup like |\bfseries|.
+%    \begin{macrocode}
+    \let\pd@tempb\@empty
+%    \end{macrocode}
+% The line that is to be typeset.
+%    \begin{macrocode}
+    \def\pd@tempa{\hyperlink{slide.##2}{\pd@tempb##3}\par}%
+%    \end{macrocode}
+% If a line should not be displayed, then here is the action to be
+% taken depending on the type. 0 leaves out material, 1 typesets it
+% in inactive color.
+%    \begin{macrocode}
+    \ifnum\pd@type=\z@
+      \def\pd@tempd{\let\pd@tempa\relax}%
+    \else
+      \def\pd@tempd{\def\pd@tempb{\color\pd@@iacolor}}%
+    \fi
+%    \end{macrocode}
+% Update whether we are in a hidden section.
+%    \begin{macrocode}
+    \ifcase##1\or\let\pd@tempc\z@\or
+      \ifnum\@tempcntb=\c@pd@section
+        \let\pd@tempc\z@
+      \else
+        \let\pd@tempc\@ne
+      \fi
+    \fi
+%    \end{macrocode}
+% If in hidden section, hide it.
+%    \begin{macrocode}
+    \ifnum\pd@tempc=\@ne\pd@tempd\fi
+%    \end{macrocode}
+% Here are the rules for displaying material, given the input of the user.
+% Case 0 is `all'.
+%    \begin{macrocode}
+    \ifcase\pd@content\or
+%    \end{macrocode}
+% Case `sections'.
+%    \begin{macrocode}
+      \ifnum##1=\z@\let\pd@tempa\relax\fi
+    \or
+%    \end{macrocode}
+% Case `currentsection'.
+%    \begin{macrocode}
+      \ifnum\@tempcntb=\c@pd@section\else\pd@tempd\fi
+    \or
+%    \end{macrocode}
+% Case `future'.
+%    \begin{macrocode}
+      \ifnum\@tempcnta<\c@slide\pd@tempd\fi
+    \or
+%    \end{macrocode}
+% Case `futuresections'.
+%    \begin{macrocode}
+      \ifnum\@tempcntb<\c@pd@section\pd@tempd\fi
+      \ifnum##1=\z@\pd@tempd\fi
+    \fi
+%    \end{macrocode}
+% If a section, use bold font.
+%    \begin{macrocode}
+    \ifnum##1>\z@\XKV@addtomacro@n\pd@tempb\bfseries\fi
+%    \end{macrocode}
+% Finally, typeset the entry and add some spacing.
+%    \begin{macrocode}
+    \ifx\pd@tempa\relax\else
+      \if@tempswa\@tempswafalse\else
+        \ifnum##1=\z@\else\vskip5pt\fi
+      \fi
+      \ifnum##1=\z@\ifnum\@tempcntb=\z@\else\hskip15pt\fi\fi
+      \pd@tempa
+    \fi
+  }%
+  \@tempcnta\z@
+  \@tempcntb\z@
+  \@tempswatrue
+%    \end{macrocode}
+% Loop over all available toc entries.
+%    \begin{macrocode}
+  \@whilenum\@tempcnta<\pd@notocentries\do{%
+    \advance\@tempcnta\@ne
+    \@nameuse{pd@te@\the\@tempcnta}%
+  }%
+%    \end{macrocode}
+% Restore everything.
+%    \begin{macrocode}
+  \endgroup
+}
+%    \end{macrocode}
+% \end{macro}
+% Options for parts and sections. The template key allows for modification
+% of user input for normal slide and wide slide. A style can define
+% the environment that should take the place of, eg, |wideslide| when
+% the user requests that template.
+%    \begin{macrocode}
+\define@choicekey*[pd]{section}{tocsection}[\pd@tempa\pd@tempb]{%
+  false,true,hidden}[true]{}
+\define@boolkey[pd]{section}[pd@@]{slide}[true]{}
+\define@cmdkey[pd]{section}[pd@@]{template}[slide]{%
+  \def\pd@tempa{slide}%
+  \ifx\pd@@template\pd@tempa
+    \let\pd@@template\pd@@sectemp
+  \else
+    \def\pd@tempa{wideslide}%
+    \ifx\pd@@template\pd@tempa
+      \let\pd@@template\pd@@widesectemp
+    \fi
+  \fi
+}
+\presetkeys[pd]{section}{tocsection,slide,template}{}
+%    \end{macrocode}
+% Keys for style developers to overwrite user requests silently.
+%    \begin{macrocode}
+\define@cmdkeys[pd]{section}[pd@@]{sectemp,widesectemp}[slide]
+\setkeys[pd]{section}{sectemp,widesectemp}
+\AtBeginDocument{\disable@keys[pd]{section}{sectemp,widesectemp}}
+%    \end{macrocode}
+% \begin{macro}{\pd@orig@section}
+% Make a backup of the original |\section|, to be used later.
+%    \begin{macrocode}
+\let\pd@orig@section\section
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\section}
+% \changes{v1.1}{2005/09/19}{Corrected bug not allowing commas in section titles}
+% Used to create parts in the presentation and sections in the toc.
+%    \begin{macrocode}
+\def\section{\@testopt\pd@section{}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@section}
+% \oarg{options}\marg{title}\\
+% Creates the part.
+%    \begin{macrocode}
+\def\pd@section[#1]#2{%
+%    \end{macrocode}
+% Necessary to keep toc and bm definitions local.
+%    \begin{macrocode}
+  \begingroup
+  \pd@sectiontrue
+%    \end{macrocode}
+% Extract the keys specific for |\part| first as to know what we are
+% going to produce.
+%    \begin{macrocode}
+  \setkeys*[pd]{section}{#1}%
+%    \end{macrocode}
+% |\pd@tempb| comes from the |tocsection| key.
+%    \begin{macrocode}
+  \ifnum\pd@tempb=\z@
+%    \end{macrocode}
+% |\XKV@rm|
+% contains all remaining keys that could not be set in the previous
+% |\setkeys| (namely, keys not in the |part| family).
+%    \begin{macrocode}
+    \ifpd@@slide
+      \toks@{#2}%
+      \@temptokena\expandafter{\XKV@rm}%
+      \edef\pd@tempa{%
+        \noexpand\begin{\pd@@template}%
+        [bm={\the\toks@},toc={\the\toks@},%
+        \the\@temptokena]{\the\toks@}%
+        \noexpand\end{\pd@@template}%
+      }%
+      \pd@tempa
+    \fi
+  \else
+%    \end{macrocode}
+% Set all slide specific keys as |bm| and |toc|.
+%    \begin{macrocode}
+    \setrmkeys*[pd]{slide}%
+%    \end{macrocode}
+% Make the toc and bm entries.
+%    \begin{macrocode}
+    \stepcounter{pd@section}%
+    \stepcounter{slide}%
+    \def\pd@t@tle{#2}%
+    \pd@maketocbm\pd@tempb
+    \addtocounter{slide}\m@ne
+    \ifpd@@slide
+%    \end{macrocode}
+% Produce a slide if necessary.
+%    \begin{macrocode}
+      \toks@{#2}%
+      \@temptokena\expandafter{\XKV@rm}%
+      \edef\pd@tempa{%
+        \noexpand\begin{\pd@@template}%
+        [\the\@temptokena,bm=,toc=]{\the\toks@}%
+        \noexpand\end{\pd@@template}%
+      }%
+      \pd@tempa
+    \fi
+  \fi
+  \endgroup
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\onslide}
+% The normal version puts material on overlay 1, hence invisible in
+% ps or pdf. The starred version eats its argument, hence does not
+% move the cursor. The plus version put material in the inactive
+% color.
+%    \begin{macrocode}
+\def\onslide{\XKV@ifstar{\pd@onslide1}{%
+  \XKV@ifplus{\pd@onslide2}{\pd@onslide0}}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@onslide}
+% \changes{v1.2}{2005/10/09}{Replaced \cs{ignorespaces} by \cs{@bsphack}
+%   \cs{@esphack} in starred version}
+% \marg{type}\marg{overlays}\\
+% The workhorse. First determine whether the material should be
+% visible from the \meta{overlays} information. If not, process it in
+% the chosen way in \meta{type}.
+%    \begin{macrocode}
+\def\pd@onslide#1#2{%
+%    \end{macrocode}
+% Display or not?
+%    \begin{macrocode}
+  \pd@testdisp0{#2}%
+  \if@tempswa
+%    \end{macrocode}
+% Display.
+%    \begin{macrocode}
+    \let\pd@tempa\@firstofone
+  \else
+    \ifcase#1\relax
+%    \end{macrocode}
+% Switch to overlay 1 (invisible), output |#1|, switch back to overlay 0.
+% We record the depth. This allows us to check whether we are in
+% hidden material already. If that is the case, don't step back to
+% overlay 0 as that will make following material visible again.
+%    \begin{macrocode}
+      \long\def\pd@tempa##1{%
+        \pst@Verb{(1) BOL}%
+        \stepcounter{pd@onslidedepth}%
+        ##1%
+        \addtocounter{pd@onslidedepth}\m@ne
+        \ifnum\c@pd@onslidedepth=\z@\ifnum\pd@currentstate=\z@
+          \pst@Verb{(0) BOL}%
+        \fi\fi
+      }%
+    \or
+%    \end{macrocode}
+% Eat material.
+%    \begin{macrocode}
+      \long\def\pd@tempa##1{\@bsphack\@esphack}%
+    \or
+%    \end{macrocode}
+% Put material in inactive color.
+%    \begin{macrocode}
+      \long\def\pd@tempa##1{{\color\pd@@iacolor##1}}%
+    \fi
+  \fi
+  \pd@tempa
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@testdisp}
+% \marg{type}\marg{overlays}\\
+% This macro is used by both |\onslide| and |\item|. The former can
+% use relative notation for which \meta{type} should be 0. For the
+% latter, \meta{type} is 1. \meta{overlays} is a specification of
+% overlays where material should be visible.
+%    \begin{macrocode}
+\def\pd@testdisp#1#2{%
+  \@tempswafalse
+%    \end{macrocode}
+% Parse the comma separated specification.
+%    \begin{macrocode}
+  \XKV@for@n{#2}\pd@tempa{\expandafter\pd@t@stdisp\pd@tempa--\@nil#1}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@t@stdisp}
+% \meta{s1}|-|\meta{s2}|-|\meta{s3}|\@nil|\marg{type}\\
+% Separate the input and check in which case we ended up. This macro
+% also computes the number of overlays that is necessary for this
+% slide. Notice several |\relax| at possibly unexpected places. This
+% seemed necessary for \TeX\ to properly set |\@tempswa|.
+%    \begin{macrocode}
+\def\pd@t@stdisp#1-#2-#3\@nil#4{%
+  \ifx\@empty#1\@empty\relax
+%    \end{macrocode}
+% |-x| case.
+%    \begin{macrocode}
+    \ifnum#4=\z@
+%    \end{macrocode}
+% Parse input further to find if relative syntax was used.
+%    \begin{macrocode}
+      \pd@checkrel#2\@nil\@tempcnta
+    \else
+      \@tempcnta#2%
+%    \end{macrocode}
+% The item has no particular starting point, so it starts from overlay
+% 1. Save this for relative |\onslide| syntax in the current item.
+%    \begin{macrocode}
+      \def\pd@reloverlay{1}%
+    \fi
+%    \end{macrocode}
+% |\@tempcnta| now contains the number of overlays necessary for this
+% part of the specification. Take the maximum.
+%    \begin{macrocode}
+    \pd@compnooverlays\@tempcnta
+    \ifnum\c@pd@overlay>\@tempcnta\else\@tempswatrue\fi
+  \else
+%    \end{macrocode}
+% |x|, |x-| and |x-y| cases. Check relative syntax and store the
+% corrected number in |\@tempcnta|.
+%    \begin{macrocode}
+    \ifnum#4=\z@
+      \pd@checkrel#1\@nil\@tempcnta
+    \else
+      \@tempcnta#1%
+%    \end{macrocode}
+% Here, the item has a special starting point. Save that to be able
+% to compute relative syntax in subsequent |\onslide|s.
+%    \begin{macrocode}
+      \def\pd@reloverlay{#1}%
+    \fi
+    \ifx\@empty#2\@empty\relax
+%    \end{macrocode}
+% |x| and |x-| cases.
+%    \begin{macrocode}
+      \pd@compnooverlays\@tempcnta
+      \ifx\@empty#3\@empty\relax
+%    \end{macrocode}
+% |x| case.
+%    \begin{macrocode}
+        \ifnum\c@pd@overlay=\@tempcnta\@tempswatrue\fi
+      \else
+%    \end{macrocode}
+% |x-| case.
+%    \begin{macrocode}
+        \ifnum\c@pd@overlay<\@tempcnta\else\@tempswatrue\fi
+      \fi
+    \else
+%    \end{macrocode}
+% |x-y| case. Store the final number |y| in |\@tempcntb|, maybe
+% corrected for relative syntax.
+%    \begin{macrocode}
+      \ifnum#4=\z@
+        \pd@checkrel#2\@nil\@tempcntb
+      \else
+        \@tempcntb#2%
+      \fi
+      \pd@compnooverlays\@tempcntb
+      \ifnum\c@pd@overlay<\@tempcnta\else
+        \ifnum\c@pd@overlay>\@tempcntb\else\@tempswatrue\fi
+      \fi
+    \fi
+  \fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@checkrel}
+% \meta{number}|\@nil|\marg{counter}\\
+% Checks whether \meta{number} starts with a |+| and if yes, adds the
+% current item number in |\pd@reloverlay| to \meta{counter} to make
+% relative syntax possible.
+%    \begin{macrocode}
+% Check whether relative syntax has been used.
+\def\pd@checkrel#1#2\@nil#3{%
+  \def\pd@tempa{#1}%
+  \def\pd@tempb{+}%
+  \ifx\pd@tempa\pd@tempb
+    #3#2\advance#3\pd@reloverlay
+  \else#3#1#2\fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@compnooverlays}
+% Keep track of the biggest number that we see as to compute the
+% number of overlays that we need to produce. Notice the |\relax| again.
+%    \begin{macrocode}
+\def\pd@compnooverlays#1{%
+  \ifnum#1>\pd@nooverlays\xdef\pd@nooverlays{\the#1}\fi\relax
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@orig@item}
+% Copy of \LaTeX's |\@item|.
+%    \begin{macrocode}
+\let\pd@orig@item\@item
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\@item}
+% \oarg{label}\\
+% Creates the item label etcetera. We add an optional argument for
+% overlay specifications.
+%    \begin{macrocode}
+\def\@item[#1]{\@ifnextchar<{\pd@item[#1]}{\pd@item[#1]<>}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@item}
+% \oarg{label}\larg{overlays}\\
+% This item allows for hiding the bullet and following content.
+%    \begin{macrocode}
+\def\pd@item[#1]<#2>{%
+%    \end{macrocode}
+% Possibly switch state.
+%    \begin{macrocode}
+  \pd@closeitem
+%    \end{macrocode}
+% Enter some corrections when switching list type.
+%    \begin{macrocode}
+  \ifx\pd@@type\pd@currenttype\else
+    \ifnum\pd@@type=\z@
+      \pst@Verb{(1) BOL}%
+    \else
+      \pst@Verb{(0) BOL}%
+      \normalcolor
+    \fi
+    \global\let\pd@currenttype\pd@@type
+  \fi
+%    \end{macrocode}
+% Make sure that we are on overlay 0 when the current state is such.
+% Then check if we need hiding.
+%    \begin{macrocode}
+  \ifnum\pd@currentstate=\z@
+    \normalcolor\pst@Verb{(0) BOL}%
+    \pd@hide{#2}%
+  \else
+%    \end{macrocode}
+% Enter this color, just in case no other declarations will follow.
+%    \begin{macrocode}
+    \color\pd@@iacolor
+  \fi
+%    \end{macrocode}
+% We need to switch state at the next item. Take care of local definition.
+%    \begin{macrocode}
+  \ifx\@empty#2\@empty\else
+    \def\pd@closeitem{\gdef\pd@currentstate{0}}%
+  \fi
+%    \end{macrocode}
+% Insert |\leavevmode| to avoid ps code to `leak into' |\item|, like
+% which used to be the case when |\item\onslide{2-}{test}\pause|.
+%    \begin{macrocode}
+  \pd@orig@item[#1]\leavevmode\ignorespaces
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@orig@@trivlist}
+% \begin{macro}{\@trivlist}
+% Save the current state for later (after getting back from nested
+% lists). And we initialize some helper functions.
+%    \begin{macrocode}
+\let\pd@orig@@trivlist\@trivlist
+\def\@trivlist{%
+  \global\expandafter\let\csname pd@currentstate\the\c@pd@trivlist
+    \endcsname\pd@currentstate
+  \ifnum\pd@@type=\z@\let\pd@closeitem\relax\fi
+  \stepcounter{pd@trivlist}%
+  \pd@orig@@trivlist
+}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@orig@endtrivlist}
+% \begin{macro}{\endtrivlist}
+% At the end of each list, make sure that we re-initialize the state
+% of that level, if necessary.
+%    \begin{macrocode}
+\let\pd@orig@endtrivlist\endtrivlist
+\def\endtrivlist{%
+  \addtocounter{pd@trivlist}\m@ne
+  \pd@revert{%
+    \global\expandafter\let\expandafter\pd@currentstate\csname
+      pd@currentstate\the\c@pd@trivlist\endcsname
+  }%
+  \pd@orig@endtrivlist
+}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@hide}
+% \meta{overlays}\\
+% Hides following material until the end of the current group, usually
+% the end of an environment like |itemize|.
+%    \begin{macrocode}
+\def\pd@hide#1{%
+  \ifx\@empty#1\@empty\else
+%    \end{macrocode}
+% If still active, we might need to become inactive.
+%    \begin{macrocode}
+    \ifnum\pd@currentstate=\z@
+%    \end{macrocode}
+% Check the state of this item.
+%    \begin{macrocode}
+      \pd@testdisp1{#1}%
+      \if@tempswa\else
+        \ifnum\pd@@type=\z@
+%    \end{macrocode}
+% Hide material onto overlay 1.
+%    \begin{macrocode}
+          \pst@Verb{(1) BOL}%
+        \else
+%    \end{macrocode}
+% Switch to inactive color.
+%    \begin{macrocode}
+          \color\pd@@iacolor
+        \fi
+        \gdef\pd@currentstate{1}%
+      \fi
+    \fi
+  \fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pause}
+% Hide following material on the current overlay.
+%    \begin{macrocode}
+\def\pause{\@testopt\pd@p@use1}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@p@use}
+% \oarg{steps}\\
+% This inserts a |\pd@hide| that hides material for the following
+% overlays, possibly some extra, when the optional argument is used.
+%    \begin{macrocode}
+\def\pd@p@use[#1]{%
+  \addtocounter{pd@pause}{#1}%
+  \expandafter\pd@hide\expandafter{\the\c@pd@pause-}%
+  \global\let\pd@revert\@gobble
+  \ignorespaces
+}
+%    \end{macrocode}
+% \end{macro}
+% We insert an extra key in the |enumitem| family to allow for changing
+% the type of the list. 0 uses ps hiding, 1 uses inactive color when
+% items are inactive.
+%    \begin{macrocode}
+\define@cmdkey{enumitem}[pd@@]{type}[0]{}
+\def\pd@@type{0}
+%    \end{macrocode}
+% \begin{macro}{\pd@pdftrans}
+% Inserts a pdf transition effect. It allows custom transition effects
+% like wipes in different directions. But if you do that, it will warn
+% that it might not work.
+%    \begin{macrocode}
+\def\pd@pdftrans{%
+  \@expandtwoargs\in@{,\pd@@trans,}{%
+    ,Split,Blinds,Box,Wipe,Dissolve,Glitter,%
+    Replace,Fly,Push,Cover,Uncover,Fade,}%
+  \ifin@\else
+    \pd@warn{Transition `\pd@@trans' might not be understood by
+      your ps to pdf converter}%
+  \fi
+  \pdfmark{%
+    pdfmark=/PUT,%
+    Raw={\string{ThisPage\string}%
+      <</Trans << /S /\pd@@trans\space >> >>%
+    }%
+  }%
+}
+%    \end{macrocode}
+% \end{macro}
+% Two column keys.
+%    \begin{macrocode}
+\define@cmdkeys[pd]{twocolumn}[pd@@]{%
+  lineheight,lfrheight,rfrheight,lcolwidth,rcolwidth,%
+  topsep,bottomsep,indent,lineprop,lfrprop,rfrprop%
+}[]
+%    \end{macrocode}
+% We use two lengths as we need to do some computations with these
+% key settings.
+%    \begin{macrocode}
+\define@key[pd]{twocolumn}{colsep}{\setlength\pd@colsep{#1}}
+\define@key[pd]{twocolumn}{frsep}{\setlength\pd@frsep{#1}}
+%    \end{macrocode}
+% Presets.
+%    \begin{macrocode}
+\presetkeys[pd]{twocolumn}{frsep=1.5mm,colsep=.06\linewidth,%
+  lcolwidth=.47\linewidth,rcolwidth=.47\linewidth,topsep=0cm,%
+  bottomsep=0cm,indent=0cm,lineprop,lfrprop,rfrprop%
+}{}
+%    \end{macrocode}
+% \begin{macro}{\pd@maxdim}
+% \marg{dim1}\marg{dim2}\\
+% Compute the maximum of two dimensions.
+%    \begin{macrocode}
+\def\pd@maxdim#1#2{\ifdim#1>#2#1\else#2\fi}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\twocolumn}
+% Construct two columns and put material in it.
+%    \begin{macrocode}
+\long\def\twocolumn#1#2#3{%
+  \setkeys[pd]{twocolumn}{#1}%
+  \sbox\pd@tba{\begin{minipage}\pd@@lcolwidth#2\end{minipage}}%
+  \setlength\@tempdima{\the\ht\pd@tba}%
+  \addtolength\@tempdima{\the\dp\pd@tba}%
+  \sbox\pd@tbb{\begin{minipage}\pd@@rcolwidth#3\end{minipage}}%
+  \setlength\@tempdimb{\the\ht\pd@tbb}%
+  \addtolength\@tempdimb{\the\dp\pd@tbb}%
+  \setlength\@tempdimc{\pd@maxdim\@tempdima\@tempdimb}%
+  \ifx\pd@@lfrheight\@undefined\else
+    \setlength\@tempdimc{\pd@maxdim\pd@@lfrheight\@tempdimc}%
+  \fi
+  \ifx\pd@@lineheight\@undefined\else
+    \setlength\@tempdimc{\pd@maxdim\pd@@lineheight\@tempdimc}%
+  \fi
+  \ifx\pd@@rfrheight\@undefined\else
+    \setlength\@tempdimc{\pd@maxdim\pd@@rfrheight\@tempdimc}%
+  \fi
+  \begin{pspicture}(-\pd@@indent,\pd@@topsep)(\linewidth,-\@tempdimc)%
+  \psset{linewidth=.25pt,linecolor=\pd@color}%
+  \setlength\@tempdima\pd@@lcolwidth
+  \addtolength\@tempdima\pd@frsep
+  \ifx\pd@@lfrheight\@undefined\else
+    \expandafter\psframe\expandafter[\pd@@lfrprop]%
+      (-\pd@frsep,\pd@frsep)(\@tempdima,-\pd@@lfrheight)%
+  \fi
+  \rput[tl](0,0){\usebox\pd@tba}%
+  \setlength\@tempdima\pd@@lcolwidth
+  \addtolength\@tempdima{.5\pd@colsep}%
+  \ifx\pd@@lineheight\@undefined\else
+    \expandafter\psline\expandafter[\pd@@lineprop]%
+      (\@tempdima,\pd@frsep)(\@tempdima,-\pd@@lineheight)%
+  \fi
+  \addtolength\@tempdima{.5\pd@colsep}%
+  \setlength\@tempdimc\@tempdima
+  \addtolength\@tempdima{-\pd@frsep}%
+  \setlength\@tempdimb\@tempdima
+  \addtolength\@tempdimb\pd@@rcolwidth
+  \addtolength\@tempdimb{2\pd@frsep}%
+  \ifx\pd@@rfrheight\@undefined\else
+    \expandafter\psframe\expandafter[\pd@@rfrprop]%
+      (\@tempdima,\pd@frsep)(\@tempdimb,-\pd@@rfrheight)%
+  \fi
+  \rput[tl](\@tempdimc,0){\usebox\pd@tbb}%
+  \end{pspicture}\par
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{environment}{thebibliography}
+% Redefine the |thebibliography| environment. This is based on
+% \pf{article}, but does not create marks or a section.
+%    \begin{macrocode}
+\renewenvironment{thebibliography}[1]{%
+  \list{\@biblabel{\@arabic\c@enumiv}}{%
+    \settowidth\labelwidth{\@biblabel{#1}}%
+    \leftmargin\labelwidth
+    \advance\leftmargin\labelsep
+    \@openbib@code
+    \usecounter{enumiv}%
+    \let\p@enumiv\@empty
+    \renewcommand\theenumiv{\@arabic\c@enumiv}%
+  }%
+  \sloppy
+  \clubpenalty4000
+  \@clubpenalty \clubpenalty
+  \widowpenalty4000%
+  \sfcode`\.\@m
+}{%
+  \def\@noitemerr
+   {\@latex@warning{Empty `thebibliography' environment}}%
+  \endlist
+}
+%    \end{macrocode}
+% \end{environment}
+% \begin{macro}{\pddefinelyxtemplate}
+% \meta{cs}\marg{template}
+% Support for \LyX, where slides are delimited by an explicit |\lyxend|.
+% This defines the \meta{cs} to look optional keys, the slide title
+% and finally for |\lyxend| to collect the body of the slide.
+% After that, it creates a slide with \meta{template}.
+%    \begin{macrocode}
+\def\pddefinelyxtemplate#1#2{\def#1{\pd@lyxgetargsandbody{#2}}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@lyxgetargsandbody}
+% \marg{template}\\
+% Check for optional keys.
+%    \begin{macrocode}
+\def\pd@lyxgetargsandbody#1{\@testopt{\pd@lyxget@rgsandbody{#1}}{}}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@lyxget@rgsandbody}
+% \marg{template}\oarg{options}\marg{title}\meta{body}|\lyxend|\\
+% This pretends to be an environment with name \meta{template}. The
+% slide title and body are saved, keys are set and the slide is executed.
+% This all happens in a local group to keep definitions (eg |toc| key)
+% local.
+%    \begin{macrocode}
+\long\def\pd@lyxget@rgsandbody#1[#2]#3#4\lyxend{%
+  \begingroup
+    \def\@currenvir{#1}%
+    \setkeys[pd]{glslide,slide}{#2}%
+    \def\pd@t@tle{#3}%
+    \pd@body{#4}%
+    \pd@slide
+  \endgroup
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\lyxend}
+% This macro acts mainly as delimiter and doesn't need to be defined
+% but we do it anyway as to make it harmless when there is a superfluous
+% one in the file.
+%    \begin{macrocode}
+\def\lyxend{}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\lyxnote}
+% \begin{macro}{\lyxslide}
+% \begin{macro}{\lyxwideslide}
+% \begin{macro}{\lyxemptyslide}
+% These create the standard available templates. Any template can be
+% supported for \LyX\ in this way.
+%    \begin{macrocode}
+\pddefinelyxtemplate\lyxnote{note}
+\pddefinelyxtemplate\lyxslide{slide}
+\pddefinelyxtemplate\lyxwideslide{wideslide}
+\pddefinelyxtemplate\lyxemptyslide{emptyslide}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \changes{v1.1}{2005/09/19}{Solved \texttt{itemize} and \pf{frenchb} problem}
+% Some compatibility things. We don't want \pf{frenchb} from
+% \pf{babel} to redefine the |itemize| environment.
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \@expandtwoargs\in@{,frenchb.ldf,}{,\@filelist,}%
+  \ifin@
+    \let\bbl@frenchindent\relax
+    \let\bbl@frenchitemize\relax
+    \let\bbl@frenchlistspacing\relax
+  \fi
+}
+\ifnum\pd@mode=\z@
+%    \end{macrocode}
+% \begin{macro}{\label}
+% \begin{macro}{\label@in@display}
+% \marg{name}\\
+% We redefine these two macros (|\AtBeginDocument| for \pf{nameref}).
+% For the current slide, we put all label names in a list. If the name
+% reappears, we don't issue the original command anymore. This is necessary
+% to avoid writing the same label multiple times because of overlays.
+% This disables the check for multiply defined labels inside slides,
+% but leaves this system in place over multiple slides. The latter
+% macro is used in \pf{amsmath}.
+%    \begin{macrocode}
+  \AtBeginDocument{%
+    \let\pd@orig@label\label
+    \def\label{\pd@label\pd@orig@label}%
+    \let\pd@orig@label@in@display\label@in@display
+    \def\label@in@display{\pd@label\pd@orig@label@in@display}%
+  }
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@label}
+% \meta{label-macro}\marg{name}\\
+% Helper macro that checks reappearance of labels on slides.
+%    \begin{macrocode}
+  \def\pd@label#1#2{%
+    \@expandtwoargs\in@{,#2,}{,\pd@labels,}%
+    \ifin@\else
+      \global\XKV@addtolist@x\pd@labels{#2}%
+      #1{#2}%
+    \fi
+  }
+%    \end{macrocode}
+% \end{macro}
+%    \begin{macrocode}
+\else
+%    \end{macrocode}
+% \begin{macro}{\pd@hide}
+% \begin{macro}{\pd@pdftrans}
+% \begin{macro}{\pd@onslide}
+% \begin{macro}{\pd@item}
+% In print or handout mode, all material will be displayed and no
+% transition effects are created.
+%    \begin{macrocode}
+  \def\pd@hide#1{}
+  \let\pd@pdftrans\relax
+  \def\pd@onslide#1#2{\@firstofone}
+  \let\@trivlist\pd@orig@@trivlist
+  \let\endtrivlist\pd@orig@endtrivlist
+  \def\pd@item[#1]<#2>{\pd@orig@item[#1]\leavevmode\ignorespaces}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%    \begin{macrocode}
+\fi
+%    \end{macrocode}
+% For handout mode, we make some redefinitions.
+%    \begin{macrocode}
+\ifnum\pd@mode=2
+%    \end{macrocode}
+% \begin{macro}{\pd@newpage}
+% \begin{macro}{\pd@n@wpage}
+% Alternate between making a |\newpage| and not. This results in
+% two slides per page.
+%    \begin{macrocode}
+\def\pd@n@wpage{%
+  \gdef\pd@newpage{%
+    \global\let\pd@newpage\pd@n@wpage
+    \newpage
+  }%
+}
+\let\pd@newpage\pd@n@wpage
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\pd@sl@d@}
+% \changes{v1.2}{2005/10/09}{Added \cs{@currentlabel} definition}
+% The new slide environment.
+%    \begin{macrocode}
+\def\pd@sl@de{%
+%    \end{macrocode}
+% No bookmarks or targets for notes.
+%    \begin{macrocode}
+  \def\pd@tempa{note}%
+  \ifx\@currenvir\pd@tempa\let\pd@tempb\relax\else
+    \stepcounter{slide}%
+    \edef\@currentlabel{\the\c@slide}%
+    \let\pd@tempb\@empty
+    \pd@maketocbm0%
+    \hyper@anchorstart{slide.\the\c@slide}\hyper@anchorend
+  \fi
+%    \end{macrocode}
+% The |minipage| is used to keep the slide box and the footers
+% together and avoid page breaks in between.
+%    \begin{macrocode}
+  \begin{minipage}\linewidth
+%    \end{macrocode}
+% The slide frame.
+%    \begin{macrocode}
+  \psframebox[framesep=7pt,linewidth=1pt]{%
+%    \end{macrocode}
+% $16=2\times7+2\times1$.
+%    \begin{macrocode}
+    \@tempdima\linewidth
+    \advance\@tempdima-16pt
+    \begin{minipage}\@tempdima
+%    \end{macrocode}
+% Slide title.
+%    \begin{macrocode}
+    \subsection*{\pd@t@tle}%
+%    \end{macrocode}
+% Typeset the body.
+%    \begin{macrocode}
+    \the\pd@body
+    \end{minipage}%
+  }%
+  \par\smallskip
+  \pd@@lf\hfill\ifx\pd@@rf\@empty\else\pd@@rf~--~\fi
+  \ifx\pd@tempb\relax
+%    \end{macrocode}
+% Determine if this is another note with the same slide.
+%    \begin{macrocode}
+    \ifnum\c@slide=\pd@notet
+      \stepcounter{note}%
+    \else
+      \setcounter{note}{1}%
+    \fi
+    \xdef\pd@notet{\the\c@slide}%
+    \thenote
+  \else\theslide\fi
+  \end{minipage}%
+  \par\bigskip
+  \ifpd@@nopagebreaks\else\vfill\pd@newpage\fi
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\maketitle}
+% Uses the original \pf{article} |\maketitle| and puts the table of
+% contents below it.
+%    \begin{macrocode}
+\def\maketitle{%
+  \pd@orig@maketitle
+  \vskip50pt
+  \pd@puttoc0%
+  \newpage
+  \stepcounter{slide}%
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@pdcontentsline}
+% \changes{v1.1}{2005/09/19}{Solved toc bug in handout mode}
+% \marg{type}\marg{target}\marg{title}\\
+% Make table of contents entries.
+%    \begin{macrocode}
+\def\pd@pdcontentsline#1#2#3{%
+  \ifnum#1=\z@
+%    \end{macrocode}
+% Slide.
+%    \begin{macrocode}
+    \ifnum\@tempcntb>\z@\hskip15pt\fi
+    \hyperlink{slide.#2}{#3}%
+    \leaders\hbox{\hss.\ \hss}\hfill#2\par
+  \else
+%    \end{macrocode}
+% Section.
+%    \begin{macrocode}
+    \if@tempswa\else\vskip10pt\fi
+    \hyperlink{slide.#2}{\bfseries#3}%
+    {\hfill\bfseries#2}\par
+    \global\advance\@tempcntb\@ne
+  \fi
+  \@tempswafalse
+}
+%    \end{macrocode}
+% \end{macro}
+% \begin{macro}{\pd@section}
+% \oarg{options}\marg{title}\\
+% Like before, but simplified.
+%    \begin{macrocode}
+\def\pd@section[#1]#2{%
+  \begingroup
+    \setkeys*[pd]{section}{#1}%
+    \setrmkeys*[pd]{slide}%
+    \def\pd@tempa{%
+      \stepcounter{slide}%
+      \def\pd@t@tle{#2}%
+      \pd@maketocbm\pd@tempb
+      \hyper@anchorstart{slide.\the\c@slide}\hyper@anchorend
+      \pd@orig@section*{#2\normalfont\hfill\theslide}%
+    }%
+    \ifnum\pd@display=\@ne\ifpd@@slide\stepcounter{slide}\fi\else
+      \ifnum\pd@tempb=\z@
+        \ifpd@@slide\pd@tempa\fi
+      \else
+        \stepcounter{pd@section}%
+        \pd@tempa
+        \ifpd@@slide\else\addtocounter{slide}\m@ne\fi
+      \fi
+    \fi
+  \endgroup
+}
+%    \end{macrocode}
+% \end{macro}
+% End of handout mode specific definitions.
+%    \begin{macrocode}
+\fi
+%    \end{macrocode}
+% Load style.
+%    \begin{macrocode}
+\IfFileExists{powerdot-\pd@@style.sty}{
+  \RequirePackage{powerdot-\pd@@style}
+}{
+  \pd@error{unknown style `\pd@@style'}
+}
+%    \end{macrocode}
+% Check integrity of the style file.
+%    \begin{macrocode}
+\ifx\titleslide\@undefined
+  \pd@error{`titleslide' environment
+    not defined by style `\pd@@style'}
+\fi
+\ifx\slide\@undefined
+  \pd@error{`slide' environment not
+    defined by style `\pd@@style'}
+\fi
+\ifx\pd@title\@undefined\let\pd@title\@firstofone\fi
+\ifx\pd@slidetitle\@undefined\let\pd@slidetitle\@firstofone\fi
+\ifx\pd@sectiontitle\@undefined\let\pd@sectiontitle\@firstofone\fi
+%    \end{macrocode}
+% Define the standard ways to make toc entries and highlighted entries.
+% We do this here so that designers could use |\newcommand| or |\def|
+% in the style file.
+%    \begin{macrocode}
+\ifx\pd@tocdisplay\@undefined
+  \def\pd@tocdisplay#1{%
+    \hskip\@tempdima
+    \begin{minipage}[b]\@tempdimb
+      \pd@usedtocfont\color\pd@@toctcolor#1%
+    \end{minipage}%
+  }
+\fi
+\ifx\pd@tochighlight\@undefined
+  \def\pd@tochighlight#1{%
+    \psframebox*[framesep=\pd@@tocfrsep,%
+      fillcolor=\pd@@tochlcolor,boxsep=false]{%
+      \hskip\@tempdima
+      \begin{minipage}[b]\@tempdimb
+        \pd@usedtocfont\color\pd@@tochltcolor#1%
+      \end{minipage}%
+    }%
+  }
+\fi
+\ifx\pd@tocslide\@undefined\let\pd@tocslide\@firstofone\fi
+\ifx\pd@tocsection\@undefined\let\pd@tocsection\@firstofone\fi
+%    \end{macrocode}
+% The main color in handout mode is always black.
+%    \begin{macrocode}
+\ifnum\pd@mode=2\color{black}\def\pd@@iacolor{black}\fi
+%</powerdot>
+%    \end{macrocode}
+%
+% \Finale
+% \endinput
+%
+%<*pddefault>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-default}[2005/10/09 v1.2 default style (HA)]
+\RequirePackage{pifont}
+\definecolor{pddblue}{rgb}{.17,.31,.44}
+\definecolor{pdlblue}{rgb}{.75,.85,.92}
+\definecolor{pdllblue}{rgb}{.9,.95,.98}
+\newbox\pd@imagebox
+\pdifsetup{landscape}{
+  \sbox\pd@imagebox{\includegraphics[trim=50 20 0 20,clip,%
+    width=.17\slidewidth,height=.1\slideheight]{powerdot-default.ps}%
+  }
+}{
+  \sbox\pd@imagebox{\includegraphics[trim=170 0 80 0,clip,%
+    height=.1\slideheight]{powerdot-default.ps}%
+  }
+}
+\pddefinetemplate{titleslide}{
+  titlefont=\large\bfseries\centering,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  texthook=t,textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  textheight=.6\slideheight
+}{%
+  \psframe*[linecolor=pdllblue,linewidth=0pt]%
+    (0,.8\slideheight)(\slidewidth,0)%
+  \psline[linecolor=pddblue]%
+    (0,.8\slideheight)(\slidewidth,.8\slideheight)%
+}
+\pddefinetemplate{basic}{
+  titlepos={.2\slidewidth,.93\slideheight},
+  titlewidth=.75\slidewidth,textheight=.68\slideheight,
+  titlefont=\large\bfseries\raggedright,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  tocslidesep=.6ex,
+  toctcolor=pddblue,
+  tochlcolor=pddblue,
+  tochltcolor=pdllblue,
+  ifsetup=portrait,
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.48\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.09\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.83\slideheight},
+  textwidth=.75\slidewidth
+}{%
+  \psframe*[linecolor=pdllblue,linewidth=0pt]%
+    (0,\slideheight)(\slidewidth,.9\slideheight)%
+  \psframe*[linecolor=pdlblue,linewidth=0pt]%
+    (0,0)(\slidewidth,.1\slideheight)%
+  \rput[tl](0,\slideheight){\usebox\pd@imagebox}%
+}
+\pddefinetemplate[basic]{wideslide}{
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth
+}{}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pddblue]%
+    (-.05,-.05)(.143\slidewidth,-.05)}
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=solid,fillcolor=pdllblue,linestyle=none,%
+      linewidth=0pt](0,.9\slideheight)(.17\slidewidth,.1\slideheight)%
+  }{}%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  ifsetup=portrait,
+  titlewidth=.9\slidewidth,
+  titlepos={.5\slidewidth,.55\slideheight}
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  titlewidth=.9\slidewidth,
+  titlepos={.5\slidewidth,.55\slideheight}
+}{}
+\setkeys[pd]{section}{
+  sectemp=sectionslide,widesectemp=sectionwideslide
+}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\small\ding{117}}
+\def\labelitemiii{\tiny\ding{110}}
+\def\labelitemiv{\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pddblue}
+\def\rmdefault{cmss}
+%</pddefault>
+%
+%<*pdtycja>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-tycja}[2005/10/09 v1.2 tycja style (HA)]
+\RequirePackage{pifont}
+\RequirePackage{pst-grad}
+\definecolor{pdblue}{rgb}{.09,.27,.47}
+\definecolor{pdyellow}{rgb}{1,.81,.42}
+\definecolor{pdlyellow}{rgb}{1,.97,.84}
+\pddefinetemplate{basic}{
+  lfpos={.03\slidewidth,.04\slideheight},
+  lffont=\scriptsize\color{pdlyellow},
+  rfpos={.97\slidewidth,.04\slideheight},
+  rffont=\scriptsize\color{pdlyellow},
+  tocslidesep=.6ex,
+  ifsetup=landscape,
+  textheight=.66\slideheight,
+  toctcolor=pdblue,
+  tochlcolor=pdblue,
+  tochltcolor=pdlyellow,
+  tocpos={.845\slidewidth,.81\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdblue]%
+    (-.05,-.05)(.143\slidewidth,-.05)},
+  ifsetup=portrait,
+  toctcolor=pdlyellow,
+  tochlcolor=pdlyellow,
+  tochltcolor=pdblue,
+  tocsecsep=.6ex,
+  textheight=.68\slideheight,
+  stochook=tr,stocpos={.48\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.09\slideheight}
+}{%
+  \psframe*[linecolor=pdlyellow](0,0)(\slidewidth,\slideheight)%
+  \psframe*[linecolor=pdblue](0,0)(\slidewidth,.1\slideheight)%
+  \psline[linecolor=pdblue]%
+    (0,.85\slideheight)(.1\slidewidth,.85\slideheight)%
+    (.1\slidewidth,.88\slideheight)(\slidewidth,.88\slideheight)%
+}
+\pddefinetemplate[basic]{titleslide}{
+  titlefont=\large\bfseries\centering,texthook=t,
+  textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.75\slidewidth,textfont=\centering,
+  textheight=.55\slideheight,
+  ifsetup=landscape,tocpos,ifsetup=portrait,stocpos,ntocpos
+}{}
+\pddefinetemplate[basic]{slide}{
+  titlehook=Br,titlepos={.81\slidewidth,.93\slideheight},
+  titlewidth=.76\slidewidth,titlefont=\large\bfseries\raggedleft,
+  textpos={.12\slidewidth,.81\slideheight},textwidth=.67\slidewidth,
+  ifsetup=portrait,
+  titlepos={.9\slidewidth,.93\slideheight},titlewidth=.88\slidewidth,
+  textwidth=.76\slidewidth
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdyellow,%
+      gradend=pdlyellow,gradmidpoint=1,linewidth=0pt]%
+      (\slidewidth,.1\slideheight)(.83\slidewidth,\slideheight)%
+  }{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdyellow,%
+      gradend=pdlyellow,gradmidpoint=1,linewidth=0pt]%
+      (\slidewidth,.1\slideheight)(.92\slidewidth,\slideheight)%
+  }%
+}
+\pddefinetemplate[basic]{wideslide}{
+  titlehook=Br,titlepos={.81\slidewidth,.93\slideheight},
+  titlewidth=.76\slidewidth,titlefont=\large\bfseries\raggedleft,
+  textpos={.12\slidewidth,.81\slideheight},textwidth=.84\slidewidth,
+  ifsetup=landscape,tocpos,ifsetup=portrait,
+  titlepos={.9\slidewidth,.93\slideheight},titlewidth=.88\slidewidth,
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdyellow,%
+      gradend=pdlyellow,gradmidpoint=1,linewidth=0pt]%
+      (\slidewidth,.1\slideheight)(.83\slidewidth,\slideheight)%
+    \psframe*[linecolor=pdlyellow]%
+      (.79\slidewidth,.88\slideheight)(\slidewidth,.1\slideheight)%
+  }{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdyellow,%
+      gradend=pdlyellow,gradmidpoint=1,linewidth=0pt]%
+      (\slidewidth,.1\slideheight)(.92\slidewidth,\slideheight)%
+    \psframe*[linecolor=pdlyellow]%
+      (.9\slidewidth,.88\slideheight)(\slidewidth,.1\slideheight)%
+  }%
+  \psline[linecolor=pdblue]%
+    (0,.85\slideheight)(.1\slidewidth,.85\slideheight)%
+    (.1\slidewidth,.88\slideheight)(\slidewidth,.88\slideheight)%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.455\slidewidth,.55\slideheight},
+  titlewidth=.67\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.76\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.76\slidewidth
+}{}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\small\ding{117}}
+\def\labelitemiii{\tiny\ding{110}}
+\def\labelitemiv{\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pdblue}
+\def\rmdefault{cmss}
+%</pdtycja>
+%
+%<*pdikeda>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-ikeda}[2005/10/09 v1.2 ikeda style (CE,HA)]
+\RequirePackage{calc}
+\RequirePackage{pifont}
+\definecolor{pdplum}{rgb}{.435,.031,.165}
+\definecolor{pddarkblue}{rgb}{.051,.094,.29}
+\definecolor{pdgogreen}{rgb}{.051,.329,.29}
+\definecolor{pdoffwhite}{rgb}{.941,.98,1}
+\pddefinetemplate{titleslide}{
+  titlefont=\Large\bfseries\centering,
+  textpos={.13\slidewidth,.7\slideheight},
+  textwidth=.75\slidewidth,
+  textfont=\centering,
+  textheight=.56\slideheight
+}{%
+  \psframe*[linecolor=pdplum](0,\slideheight)(\slidewidth,0)%
+  \psframe*[linecolor=pddarkblue]%
+    (.05\slidewidth,.95\slideheight)(.95\slidewidth,.05\slideheight)%
+  \psline[linecolor=pdoffwhite,linewidth=.01]%
+    (.1\slidewidth,.1\slideheight)(.1\slidewidth,.9\slideheight)%
+  \psline[linecolor=pdoffwhite,linewidth=.01]%
+    (.9\slidewidth,.1\slideheight)(.9\slidewidth,.9\slideheight)%
+  \pspolygon[linestyle=none,fillstyle=vlines*,fillcolor=pdplum,%
+    hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+    (.1\slidewidth,.1\slideheight)(.25\slidewidth,.07\slideheight)%
+    (.5\slidewidth,.1\slideheight)(.75\slidewidth,.13\slideheight)%
+    (.9\slidewidth,.1\slideheight)%
+  \pspolygon[linestyle=none,fillstyle=hlines*,fillcolor=pdplum,%
+    hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+    (.1\slidewidth,.9\slideheight)(.25\slidewidth,.93\slideheight)%
+    (.5\slidewidth,.9\slideheight)(.75\slidewidth,.87\slideheight)%
+    (.9\slidewidth,.9\slideheight)%
+}
+\pddefinetemplate{basic}{
+  titlehook=Bc,titlefont=\large\bfseries\centering,
+  tocslidesep=.6ex,
+  toctcolor=pdoffwhite,
+  tochlcolor=pddarkblue,
+  tochltcolor=pdoffwhite,
+  ifsetup=portrait,
+  tocsecsep=.6ex,
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  lfpos={.03\slidewidth,.025\slideheight},
+  rfpos={.97\slidewidth,.025\slideheight},
+  stochook=tr,stocpos={.47\slidewidth,.15\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.53\slidewidth,.15\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.84\slideheight},
+  textwidth=.75\slidewidth,
+  lfpos={.19\slidewidth,.025\slideheight},
+  rfpos={.97\slidewidth,.025\slideheight}
+}{%
+  \psframe*[linecolor=pddarkblue](0,0)(\slidewidth,\slideheight)%
+}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  titlewidth=.75\slidewidth,
+  titlepos={.575\slidewidth,.92\slideheight},
+  tocpos={.01\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pddarkblue](-.05,-.05)(.143\slidewidth,-.05)},
+  textheight=.72\slideheight,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.88\slideheight},
+  titlewidth=.95\slidewidth,
+  textheight=.64\slideheight
+}{%
+  \psset{linestyle=none}%
+  \pdifsetup{landscape}{%
+    \psframe*[linecolor=pdplum](0,0)(.16\slidewidth,\slideheight)%
+    \setlength\@tempdima{.16\slidewidth-.4cm}%
+    \setlength\@tempdimb{.97\slideheight-.8cm}%
+    \psframe*[linecolor=pddarkblue]%
+      (.16\slidewidth,.97\slideheight)(\@tempdima,\@tempdimb)%
+    \setlength\@tempdima{.16\slidewidth+.4cm}%
+    \psframe*[linecolor=pdplum]%
+      (.16\slidewidth,.97\slideheight)(\@tempdima,\@tempdimb)%
+    \pspolygon[fillstyle=solid,fillcolor=pddarkblue]%
+      (0,.935\slideheight)(.02\slidewidth,.945\slideheight)%
+      (.065\slidewidth,.935\slideheight)(.11\slidewidth,.925\slideheight)%
+      (.13\slidewidth,.935\slideheight)%
+    \pspolygon[fillstyle=hlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.185\slidewidth,.09\slideheight)(.335\slidewidth,.06\slideheight)%
+      (.58\slidewidth,.09\slideheight)%
+    \pspolygon[fillstyle=vlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.58\slidewidth,.09\slideheight)(.825\slidewidth,.06\slideheight)%
+      (.975\slidewidth,.09\slideheight)%
+  }{%
+    \pspolygon[fillstyle=vlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.02\slidewidth,.95\slideheight)(.17\slidewidth,.98\slideheight)%
+      (.5\slidewidth,.95\slideheight)%
+    \pspolygon[fillstyle=hlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.5\slidewidth,.95\slideheight)(.82\slidewidth,.98\slideheight)%
+      (.98\slidewidth,.95\slideheight)%
+    \pd@ikedapbg
+  }%
+}
+\pddefinetemplate[basic]{wideslide}{
+  lfpos={.03\slidewidth,.025\slideheight},
+  titlewidth=.95\slidewidth,
+  textwidth=.95\slidewidth,
+  ifsetup=landscape,
+  titlepos={.5\slidewidth,.88\slideheight},
+  textpos={.025\slidewidth,.84\slideheight},
+  textheight=.72\slideheight,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.92\slideheight},
+  textpos={.025\slidewidth,.87\slideheight},
+  textheight=.68\slideheight
+}{%
+  \psset{linestyle=none}%
+  \pdifsetup{landscape}{%
+    \pspolygon[fillstyle=vlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.02\slidewidth,.95\slideheight)(.17\slidewidth,.98\slideheight)%
+      (.5\slidewidth,.95\slideheight)%
+    \pspolygon[fillstyle=hlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.5\slidewidth,.95\slideheight)(.83\slidewidth,.98\slideheight)%
+      (.98\slidewidth,.95\slideheight)%
+    \pspolygon[fillstyle=hlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.02\slidewidth,.09\slideheight)(.17\slidewidth,.06\slideheight)%
+      (.5\slidewidth,.09\slideheight)%
+    \pspolygon[fillstyle=vlines*,fillcolor=pdplum,%
+      hatchcolor=pdoffwhite,hatchwidth=.1\pslinewidth,hatchsep=4pt]%
+      (.5\slidewidth,.09\slideheight)(.83\slidewidth,.06\slideheight)%
+      (.98\slidewidth,.09\slideheight)%
+  }\pd@ikedapbg
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  titlewidth=.75\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\def\pd@ikedapbg{%
+  \psframe*[linecolor=pdplum](0,0)(\slidewidth,.17\slideheight)%
+  \pspolygon[fillstyle=vlines*,fillcolor=pdplum,%
+    hatchcolor=pddarkblue,hatchwidth=.1\pslinewidth,hatchsep=1.6pt]%
+    (.05\slidewidth,.1\slideheight)(.08\slidewidth,.08\slideheight)%
+    (.14\slidewidth,.1\slideheight)(.20\slidewidth,.12\slideheight)%
+    (.23\slidewidth,.1\slideheight)%
+  \pspolygon[fillstyle=hlines*,fillcolor=pdplum,%
+    hatchcolor=pddarkblue,hatchwidth=.1\pslinewidth,hatchsep=1.6pt]%
+    (.77\slidewidth,.1\slideheight)(.80\slidewidth,.12\slideheight)%
+    (.86\slidewidth,.1\slideheight)(.92\slidewidth,.08\slideheight)%
+    (.95\slidewidth,.1\slideheight)%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\labelitemi{\color{pdplum}\footnotesize\ding{110}}
+\def\labelitemii{\color{pdgogreen}\small\ding{115}}
+\def\labelitemiii{\color{pdplum}\tiny\ding{110}}
+\def\labelitemiv{\color{pdgogreen}\tiny\ding{115}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pdoffwhite}
+\def\rmdefault{cmss}
+%</pdikeda>
+%
+%<*pdfyma>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-fyma}[2005/09/19 v1.1 fyma style (SA,HA)]
+\RequirePackage{pst-grad}
+\definecolor{pddblue}{rgb}{.14,.34,.55}
+\definecolor{pdblue}{rgb}{.24,.45,.7}
+\definecolor{pdlblue}{rgb}{.88,.95,1}
+\pddefinetemplate{basic}{
+  titlefont=\large\bfseries\raggedright,
+  tocslidesep=.6ex,
+  toctcolor=pddblue,
+  tochlcolor=pddblue,
+  tochltcolor=red,
+  ifsetup=portrait,
+  textheight=.67\slideheight,
+  titlepos={.06\slidewidth,.9\slideheight},
+  titlewidth=.75\slidewidth,
+  textpos={.09\slidewidth,.83\slideheight},
+  textwidth=.85\slidewidth,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.48\slidewidth,.12\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntochook=tl,ntocpos={.52\slidewidth,.12\slideheight},
+  lfpos={.06\slidewidth,.045\slideheight},
+  rfpos={.94\slidewidth,.045\slideheight},
+  ifsetup=landscape,
+  titlepos={.205\slidewidth,.9\slideheight},
+  titlewidth=.75\slidewidth,
+  textheight=.72\slideheight,
+  textpos={.23\slidewidth,.82\slideheight},
+  textwidth=.72\slidewidth,
+  lfpos={.04\slidewidth,.03\slideheight},
+  rfpos={.96\slidewidth,.03\slideheight},
+  tocpos={.04\slidewidth,.82\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pddblue]%
+    (-.05,-.05)(.143\slidewidth,-.05)}
+}{%
+  \psset{linewidth=.8pt,linecolor=pdblue}%
+  \pdifsetup{landscape}{%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdlblue,%
+    gradend=white,gradmidpoint=0,dimen=outer]%
+    (.03\slidewidth,.97\slideheight)(.97\slidewidth,.055\slideheight)%
+  \psline
+    (.02\slidewidth,.055\slideheight)(.98\slidewidth,.055\slideheight)%
+  \psline
+    (.03\slidewidth,.07\slideheight)(.03\slidewidth,.045\slideheight)%
+  \psline
+    (.97\slidewidth,.07\slideheight)(.97\slidewidth,.045\slideheight)%
+  }{%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=white,%
+    gradend=pdlblue,gradmidpoint=.85,dimen=outer]%
+    (.03\slidewidth,.97\slideheight)(.97\slidewidth,.03\slideheight)%
+  \psline
+    (.02\slidewidth,.03\slideheight)(.98\slidewidth,.03\slideheight)%
+  \psline
+    (.03\slidewidth,.045\slideheight)(.03\slidewidth,.02\slideheight)%
+  \psline
+    (.97\slidewidth,.045\slideheight)(.97\slidewidth,.02\slideheight)%
+  }%
+  \psline
+    (.02\slidewidth,.97\slideheight)(.98\slidewidth,.97\slideheight)%
+  \psline
+    (.03\slidewidth,.98\slideheight)(.03\slidewidth,.955\slideheight)%
+  \psline
+    (.97\slidewidth,.98\slideheight)(.97\slidewidth,.955\slideheight)%
+}
+\pddefinetemplate[basic]{titleslide}{
+  texthook=t,textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  textheight=.6\slideheight,
+  titlefont=\large\bfseries\centering,tocpos,ntocpos,stocpos
+}{}
+\pddefinetemplate[basic]{slide}{}{%
+  \pdifsetup{landscape}{%
+  \psframe[fillstyle=gradient,gradbegin=pdlblue,gradend=white,%
+    gradmidpoint=1,linestyle=none,dimen=outer,linewidth=.8pt]%
+    (.03\slidewidth,.97\slideheight)(.195\slidewidth,.055\slideheight)%
+  }{}%
+}
+\pddefinetemplate[basic]{wideslide}{
+  ifsetup=landscape,tocpos,
+  titlepos={.055\slidewidth,.9\slideheight},
+  titlewidth=.75\slidewidth,
+  textpos={.07\slidewidth,.83\slideheight},
+  textwidth=.83\slidewidth
+}{}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.59\slidewidth,.525\slideheight},
+  titlewidth=.5\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.525\slideheight},
+  titlewidth=.68\slidewidth
+}{%
+  \psset{linewidth=.8pt,linecolor=pdblue}%
+  \pdifsetup{landscape}{%
+  \psframe[fillstyle=solid,fillcolor=white,linestyle=none,dimen=outer]%
+    (.34\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+  \psline
+    (.33\slidewidth,.65\slideheight)(.85\slidewidth,.65\slideheight)%
+  \psline
+    (.33\slidewidth,.4\slideheight)(.85\slidewidth,.4\slideheight)%
+  \psline
+    (.34\slidewidth,.635\slideheight)(.34\slidewidth,.66\slideheight)%
+  \psline
+    (.34\slidewidth,.39\slideheight)(.34\slidewidth,.415\slideheight)%
+  }{%
+  \psframe[fillstyle=solid,fillcolor=white,linestyle=none,dimen=outer]%
+    (.16\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+  \psline
+    (.15\slidewidth,.65\slideheight)(.85\slidewidth,.65\slideheight)%
+  \psline
+    (.15\slidewidth,.4\slideheight)(.85\slidewidth,.4\slideheight)%
+  \psline
+    (.16\slidewidth,.635\slideheight)(.16\slidewidth,.66\slideheight)%
+  \psline
+    (.16\slidewidth,.39\slideheight)(.16\slidewidth,.415\slideheight)%
+  }%
+  \psline
+    (.84\slidewidth,.635\slideheight)(.84\slidewidth,.66\slideheight)%
+  \psline
+    (.84\slidewidth,.39\slideheight)(.84\slidewidth,.415\slideheight)%
+}
+\pddefinetemplate[wideslide]{sectionwideslide}{%
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.525\slideheight},
+  titlewidth=.68\slidewidth
+}{%
+  \psset{linewidth=.8pt,linecolor=pdblue}%
+  \psframe[fillstyle=solid,fillcolor=white,linestyle=none,dimen=outer]%
+    (.16\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+  \psline
+    (.15\slidewidth,.65\slideheight)(.85\slidewidth,.65\slideheight)%
+  \psline
+    (.15\slidewidth,.4\slideheight)(.85\slidewidth,.4\slideheight)%
+  \psline
+    (.16\slidewidth,.635\slideheight)(.16\slidewidth,.66\slideheight)%
+  \psline
+    (.16\slidewidth,.39\slideheight)(.16\slidewidth,.415\slideheight)%
+  \psline
+    (.84\slidewidth,.635\slideheight)(.84\slidewidth,.66\slideheight)%
+  \psline
+    (.84\slidewidth,.39\slideheight)(.84\slidewidth,.415\slideheight)%
+}
+\def\pd@slidetitle#1{%
+  \settowidth\@tempdima{#1}%
+  \ifdim\@tempdima>\pd@@titlewidth\@tempdima\pd@@titlewidth\fi
+  \psline[linewidth=.8pt,linecolor=pddblue]%
+    (0,-.15cm)(\@tempdima,-.15cm)%
+  \parbox[b]\pd@@titlewidth{#1}%
+}
+\def\pd@tochighlight#1{%
+  \begin{minipage}[b]\pd@@tocwidth
+    \pd@usedtocfont\color\pd@@tochltcolor#1%
+  \end{minipage}%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\pdifsetup{landscape}{\def\pd@tocslide#1{{\tiny\ensuremath\bullet} #1}}{}
+\def\labelitemi{\small\ensuremath\bullet}
+\def\labelitemii{\small\ensuremath\circ}
+\def\labelitemiii{\scriptsize\ensuremath\bullet}
+\def\labelitemiv{\scriptsize\ensuremath\circ}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pddblue}
+\def\rmdefault{phv}
+\def\sfdefault{phv}
+\def\Hv@scale{.86}
+%</pdfyma>
+%
+%<*pdsimple>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-simple}[2005/09/19 v1.1 simple style (HA)]
+\RequirePackage{pifont}
+\RequirePackage{amssymb}
+\pddefinetemplate{titleslide}{
+  titlefont=\large\bfseries\raggedright,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  texthook=tl,textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,textfont=\tabcolsep0pt,
+  textheight=.66\slideheight
+}{%
+  \psline[linewidth=.8pt](0,.9\slideheight)(\slidewidth,.9\slideheight)%
+  \psline[linewidth=.8pt](0,.1\slideheight)(\slidewidth,.1\slideheight)%
+}
+\pddefinetemplate{basic}{
+  titlepos={.05\slidewidth,.93\slideheight},
+  titlewidth=.9\slidewidth,textheight=.66\slideheight,
+  titlefont=\large\bfseries\raggedright,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  tocslidesep=.6ex,textheight=.68\slideheight,
+  ifsetup=portrait,
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.48\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.09\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.83\slideheight},
+  textwidth=.75\slidewidth
+}{%
+  \psline[linewidth=.8pt](0,.9\slideheight)(\slidewidth,.9\slideheight)%
+  \psline[linewidth=.8pt](0,.1\slideheight)(\slidewidth,.1\slideheight)%
+}
+\pddefinetemplate[basic]{wideslide}{
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth
+}{}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=gray]%
+    (-.05,-.05)(.143\slidewidth,-.05)}
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=solid,fillcolor=black!10,linestyle=none,%
+      linewidth=.8pt](-.01\slidewidth,.9\slideheight)%
+      (.17\slidewidth,.1\slideheight)%
+  }{}%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  titlewidth=.75\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\pd@tochighlight#1{\pd@tocsimple\phantom{#1}}
+\def\pd@tochighlight#1{\pd@tocsimple\@firstofone{#1}}
+\def\pd@tocsimple#1#2{%
+  \@tempdima\pd@@tocwidth
+  \settowidth\@tempdimb{\normalsize\ensuremath\triangleright\hskip1mm}%
+  \advance\@tempdima-\@tempdimb
+  \ifnum\pd@toctype=\@ne\else
+    #1{\normalsize\ensuremath\triangleright\hskip1mm}%
+  \fi
+  \begin{minipage}[b]\@tempdima
+    \pd@usedtocfont#2%
+  \end{minipage}%
+  \ifnum\pd@toctype=\@ne
+    #1{\hskip1mm\normalsize\ensuremath\triangleleft}%
+  \fi
+}
+\def\labelitemi{\footnotesize\ensuremath\square}
+\def\labelitemii{\small--}
+\def\labelitemiii{\tiny\ensuremath\triangleright}
+\def\labelitemiv{\tiny\ding{110}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{black}
+\def\rmdefault{cmss}
+%</pdsimple>
+%
+%<*pdciment>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-ciment}[2005/09/19 v1.1 ciment style (HA)]
+\RequirePackage{pifont}
+\definecolor{pdred}{rgb}{.7,.1,.1}
+\definecolor{pddgray}{rgb}{.2,.2,.2}
+\definecolor{pdlgray}{rgb}{.75,.75,.75}
+\pddefinetemplate{basic}{
+  titlepos={.1\slidewidth,.93\slideheight},
+  titlewidth=.85\slidewidth,
+  titlefont=\color{pdred}\large\bfseries\raggedright,
+  lfpos={.05\slidewidth,.04\slideheight},
+  lffont=\color{pddgray}\scriptsize,
+  rffont=\color{pddgray}\scriptsize,
+  rfpos={.95\slidewidth,.04\slideheight},
+  tocslidesep=.6ex,
+  toctcolor=black,
+  tochlcolor=pdred,
+  tochltcolor=white,
+  ifsetup=portrait,
+  textpos={.05\slidewidth,.85\slideheight},
+  textwidth=.9\slidewidth,textheight=.68\slideheight,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.48\slidewidth,.13\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.13\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.85\slideheight},
+  textwidth=.75\slidewidth,textheight=.7\slideheight
+}{%
+  \psframe[linewidth=0pt,linestyle=none,fillstyle=hlines,%
+    hatchwidth=.4pt,hatchangle=0,hatchcolor=pdlgray]%
+    (0,0)(\slidewidth,\slideheight)%
+  \pdifsetup{landscape}{%
+    \psline[linecolor=pdred](.05\slidewidth,.09\slideheight)%
+      (.95\slidewidth,.09\slideheight)%
+  }{%
+    \psline[linecolor=pdred](.05\slidewidth,.15\slideheight)%
+      (.95\slidewidth,.15\slideheight)%
+  }%
+}
+\pddefinetemplate[basic]{titleslide}{
+  titlefont=\color{pdred}\large\bfseries\centering,
+  texthook=t,textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  textheight=.6\slideheight,titlepos,
+  ifsetup=portrait,textheight=.53\slideheight
+}{}
+\pddefinetemplate[basic]{wideslide}{
+  textpos={.05\slidewidth,.85\slideheight},
+  textwidth=.9\slidewidth
+}{}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdred]%
+    (-.05,-.05)(.143\slidewidth,-.05)}
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=solid,fillcolor=pdlgray,linestyle=none,%
+      linewidth=0pt](0,.85\slideheight)(.17\slidewidth,.15\slideheight)%
+  }{}%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\color{pdred}\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  titlewidth=.75\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\color{pdred}\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\def\pd@slidetitle#1{%
+  \psline[linecolor=pdred](0,-.15cm)(.85\slidewidth,-.15cm)%
+  \settowidth\@tempdima{#1}%
+  \ifdim\@tempdima>\pd@@titlewidth\@tempdima\pd@@titlewidth\fi
+  \psline[linecolor=pdred,linewidth=2.5pt]%
+    (0,-.15cm)(\@tempdima,-.15cm)%
+  \parbox[b]\pd@@titlewidth{#1}%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\pdifsetup{landscape}{\def\pd@tocslide#1{{\tiny\ding{226}}#1}}{}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\small\ding{117}}
+\def\labelitemiii{\tiny\ding{110}}
+\def\labelitemiv{\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{black}
+\def\rmdefault{cmss}
+%</pdciment>
+%
+%<*pdelcolors>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-elcolors}[2005/09/19 v1.1 elcolors style (HA)]
+\RequirePackage{pifont}
+\colorlet{pdyellow}{yellow!10}
+\colorlet{pdred}{red!10}
+\colorlet{pdblue}{blue!10}
+\definecolor{pddblue}{rgb}{.17,.31,.44}
+\colorlet{pdmixyr}{rgb,2:pdyellow,-1;pdred,-1}
+\colorlet{pdmixyb}{rgb,2:pdyellow,-1;pdblue,-1}
+\pddefinetemplate{basic}{
+  titlepos={.95\slidewidth,.93\slideheight},titlehook=Br,
+  titlewidth=.75\slidewidth,textheight=.68\slideheight,
+  titlefont=\large\bfseries\raggedleft,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  tocslidesep=.6ex,
+  toctcolor=pddblue,
+  tochlcolor=pddblue,
+  tochltcolor=pdblue,
+  ifsetup=portrait,
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.42\slidewidth,.13\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.46\slidewidth,.13\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.83\slideheight},
+  textwidth=.68\slidewidth
+}{%
+  \psset{linewidth=0pt}%
+  \psframe*[linecolor=pdred]%
+    (0,0)(.44\slidewidth,.14\slideheight)%
+  \psframe*[linecolor=pdred]%
+    (\slidewidth,\slideheight)(.56\slidewidth,.86\slideheight)%
+  \psframe*[linecolor=pdyellow]%
+    (.09\slidewidth,.09\slideheight)(.91\slidewidth,.91\slideheight)%
+  \psframe*[linecolor=pdmixyr]%
+    (.09\slidewidth,.09\slideheight)(.44\slidewidth,.14\slideheight)%
+  \psframe*[linecolor=pdmixyr]%
+    (.91\slidewidth,.91\slideheight)(.56\slidewidth,.86\slideheight)%
+}
+\pddefinetemplate[basic]{titleslide}{
+  titlefont=\large\bfseries\centering,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  texthook=t,textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.76\slidewidth,textfont=\centering,
+  textheight=.55\slideheight
+}{}
+\pddefinetemplate[basic]{wideslide}{
+  textpos={.12\slidewidth,.83\slideheight},
+  textwidth=.76\slidewidth
+}{}
+\pdifsetup{portrait}{%
+  \pddefinetemplate[wideslide]{slide}{}{}%
+}{%
+  \pddefinetemplate[basic]{slide}{
+    tocpos={.015\slidewidth,.83\slideheight},
+    tocwidth=.14\slidewidth,
+    tocsecm={\psline[linewidth=.5pt,linecolor=pddblue]%
+      (-.05,-.05)(.143\slidewidth,-.05)}
+  }{%
+    \psframe*[linecolor=pdblue,linewidth=0pt]%
+      (0,\slideheight)(.17\slidewidth,.2\slideheight)%
+    \psframe*[linecolor=pdmixyb,linewidth=0pt]%
+      (.09\slidewidth,.91\slideheight)(.17\slidewidth,.2\slideheight)%
+  }
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.54\slidewidth,.55\slideheight},
+  titlewidth=.68\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.76\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.76\slidewidth
+}{}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\small\ding{117}}
+\def\labelitemiii{\tiny\ding{110}}
+\def\labelitemiv{\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pddblue}
+\def\rmdefault{cmss}
+%</pdelcolors>
+%
+%<*pdaggie>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-aggie}[2005/10/09 v1.1 aggie style (JS,HA)]
+\RequirePackage{times}
+\RequirePackage{pifont}
+\RequirePackage{pst-grad}
+\definecolor{pdmaroon}{rgb}{.51,.13,.16}
+\definecolor{pdlparchment}{rgb}{.96,.94,.89}
+\definecolor{pddparchment}{rgb}{.89,.85,.69}
+\definecolor{pddblue}{rgb}{.17,.31,.44}
+\pddefinetemplate{titleslide}{
+  titlefont=\Large\bfseries\color{pdmaroon}\centering,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  lffont=\tiny,
+  rffont=\tiny,
+  texthook=t,textpos={.5\slidewidth,.65\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  textheight=.5\slideheight,
+  ifsetup=portrait,
+  textheight=.55\slideheight,
+  lfpos={.03\slidewidth,.03\slideheight},
+  rfpos={.97\slidewidth,.03\slideheight},
+}{%
+  \psframe*[linecolor=pdlparchment,linewidth=0pt]%
+    (0,.85\slideheight)(\slidewidth,0)%
+  \psline[linecolor=pdmaroon]%
+    (0,.85\slideheight)(\slidewidth,.85\slideheight)%
+  \psellipse[linestyle=solid,linecolor=pdmaroon,fillstyle=solid,%
+    fillcolor=pddparchment](0.5\slidewidth,0)(0.7\slidewidth,0.1\slidewidth)%
+}
+\pddefinetemplate{basic}{
+  titlepos={.2\slidewidth,.93\slideheight},
+  titlewidth=.75\slidewidth,textheight=.66\slideheight,
+  titlefont=\Large\sl\bfseries\color{pdmaroon}\raggedright,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  lffont=\tiny,
+  rffont=\tiny,
+  tocslidesep=.8ex,
+  textheight=.74\slideheight,
+  toctcolor=pddblue,
+  tochlcolor=pdmaroon,
+  tochltcolor=white,
+  ifsetup=portrait,
+  lfpos={.03\slidewidth,.03\slideheight},
+  rfpos={.97\slidewidth,.03\slideheight},
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  tocsecsep=.8ex,
+  stochook=tr,stocpos={.48\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.09\slideheight},
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.83\slideheight},
+  textwidth=.75\slidewidth
+}{%
+}
+\pddefinetemplate[basic]{wideslide}{
+  textpos={.05\slidewidth,.83\slideheight},
+  textwidth=.9\slidewidth,
+  ifsetup=portrait,
+  textheight=0.7\slideheight
+}{%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdlparchment,%
+    gradend=white,gradmidpoint=1,gradangle=90,linewidth=0pt]%
+    (0,\slideheight)(\slidewidth,.9\slideheight)%
+  \pd@aggiebg
+}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdmaroon]%
+    (-.05,-.05)(.143\slidewidth,-.05)},
+  ifsetup=portrait,
+  textheight=0.7\slideheight
+}{%
+  \psframe[fillstyle=gradient,gradbegin=pdlparchment,gradend=white,%
+    gradmidpoint=0,linestyle=none,linewidth=0pt]%
+    (0,.9\slideheight)(.25\slidewidth,.075\slideheight)%
+  \psellipse*[linecolor=white](.25\slidewidth,.6\slideheight)%
+    (0.075\slidewidth,0.7\slideheight)%
+  \pd@aggiebg
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\color{pdmaroon}\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  titlewidth=.75\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\Large\bfseries\color{pdmaroon}\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\def\pd@aggiebg{%
+  \pdifsetup{landscape}{%
+    \psframe*[linecolor=pddparchment](0,0)(\slidewidth,.075\slideheight)%
+    \psline[linecolor=pdmaroon,linewidth=.5pt]%
+      (0,.075\slideheight)(\slidewidth,.075\slideheight)%
+  }{%
+    \psframe*[linecolor=pddparchment](0,0)(\slidewidth,.1\slideheight)%
+    \psline[linecolor=pdmaroon,linewidth=.5pt]%
+      (0,.1\slideheight)(\slidewidth,.1\slideheight)%
+  }%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\pd@tocslide#1{\ding{118}\,#1}
+\def\labelitemi{\color{pdmaroon}\footnotesize\ding{108}}
+\def\labelitemii{\color{pdmaroon}\small\ding{70}}
+\def\labelitemiii{\color{pdmaroon}\tiny\ding{110}}
+\def\labelitemiv{\color{pdmaroon}\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pddblue}
+\renewcommand\familydefault{\sfdefault}
+%</pdaggie>
+%
+%<*pdhusky>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-husky}[2005/10/09 v1.1 husky style (JS,HA)]
+\RequirePackage{times}
+\RequirePackage{pifont}
+\RequirePackage{pst-grad}
+\definecolor{pdtxtred}{rgb}{.75,0,0}
+\definecolor{pdbggray}{rgb}{.92,.92,.92}
+\definecolor{pddblue}{rgb}{.03,0,.29}
+\pddefinetemplate{titleslide}{
+  titlefont=\Large\rmfamily\bfseries\color{pdtxtred}\centering,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  lffont=\tiny\color{white},
+  rffont=\tiny\color{white},
+  texthook=t,textpos={.5\slidewidth,.75\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  textheight=.66\slideheight,
+  ifsetup=portrait,
+  textheight=.63\slideheight,
+  lfpos={.03\slidewidth,.03\slideheight},
+  rfpos={.97\slidewidth,.03\slideheight},
+}{%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.385\slideheight)%
+    (.6\slidewidth,\slideheight)(.85\slidewidth,\slideheight)%
+    (\slidewidth,.57\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.25\slideheight)%
+    (.15\slidewidth,\slideheight)(.5\slidewidth,\slideheight)%
+    (\slidewidth,.35\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.15\slideheight)%
+    (0,.65\slideheight)(0,\slideheight)(.01\slidewidth,\slideheight)%
+    (\slidewidth,.225\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.07\slideheight)%
+    (0,.25\slideheight)(0,.535\slideheight)%
+    (\slidewidth,.13\slideheight)%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdtxtred,%
+    gradend=white,gradmidpoint=1,gradangle=90](0,.9\slideheight)%
+    (\slidewidth,.9\slideheight)%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdtxtred,%
+    gradend=white,gradmidpoint=1,gradangle=90](0,.893\slideheight)%
+    (\slidewidth,.893\slideheight)%
+  \pd@huskybg
+}
+\pddefinetemplate{basic}{
+  titlepos={.2\slidewidth,.93\slideheight},
+  titlewidth=.75\slidewidth,textheight=.66\slideheight,
+  titlefont=\Large\rmfamily\slshape\bfseries\color{pdtxtred}\raggedright,
+  lfpos={.03\slidewidth,.04\slideheight},
+  rfpos={.97\slidewidth,.04\slideheight},
+  lffont=\tiny\color{white},
+  rffont=\tiny\color{white},
+  tocslidesep=.8ex,
+  toctcolor=black,
+  tochlcolor=pdtxtred,
+  tochltcolor=white,
+  ifsetup=portrait,
+  toctcolor=white,
+  tochlcolor=black,
+  titlepos={.05\slidewidth,.93\slideheight},
+  lfpos={.03\slidewidth,.03\slideheight},
+  rfpos={.97\slidewidth,.03\slideheight},
+  textpos={.05\slidewidth,.85\slideheight},
+  textheight=.73\slideheight,
+  textwidth=.9\slidewidth,
+  tocsecsep=.8ex,
+  stochook=tr,stocpos={.48\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntochook=tl,ntocpos={.52\slidewidth,.09\slideheight},
+  ntocfont=\tiny\raggedright,
+  ifsetup=landscape,
+  textpos={.2\slidewidth,.83\slideheight},
+  textwidth=.75\slidewidth,
+  textheight=.74\slideheight,
+}{%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.385\slideheight)%
+    (.6\slidewidth,\slideheight)(.85\slidewidth,\slideheight)%
+    (\slidewidth,.57\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.25\slideheight)%
+    (.15\slidewidth,\slideheight)(.5\slidewidth,\slideheight)%
+    (\slidewidth,.35\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,0.15\slideheight)%
+    (0,.65\slideheight)(0,\slideheight)(.01\slidewidth,\slideheight)%
+    (\slidewidth,.225\slideheight)%
+  \pspolygon*[linestyle=none,linecolor=pdbggray](\slidewidth,.07\slideheight)%
+    (0,.25\slideheight)(0,.535\slideheight)%
+    (\slidewidth,.13\slideheight)%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdtxtred,%
+    gradend=white,gradmidpoint=1,gradangle=90](0,.9\slideheight)%
+    (\slidewidth,.9\slideheight)%
+  \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdtxtred,%
+    gradend=white,gradmidpoint=1,gradangle=90](0,.893\slideheight)%
+    (\slidewidth,.893\slideheight)%
+  \pd@huskybg
+}
+\pddefinetemplate[basic]{wideslide}{
+  textwidth=.9\slidewidth,
+  ifsetup=landscape,
+  textpos={.05\slidewidth,.83\slideheight},
+  titlepos={.05\slidewidth,.93\slideheight}
+}{%
+}
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdtxtred]%
+    (-.05,-.05)(.143\slidewidth,-.05)},
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=white,%
+      gradend=black,gradmidpoint=0.5](.175\slidewidth,.12\slideheight)%
+      (.18\slidewidth,.95\slideheight)%
+   }{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=white,%
+      gradend=black,gradmidpoint=.25](.025\slidewidth,.12\slideheight)%
+      (.025\slidewidth,\slideheight)%
+   }%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,
+  titlefont=\LARGE\rmfamily\slshape\bfseries\color{pdtxtred}\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  titlewidth=.75\slidewidth,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,
+  titlefont=\LARGE\rmfamily\slshape\bfseries\color{pdtxtred}\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\def\pd@huskybg{%
+  \pdifsetup{landscape}{%
+    \psframe*[linecolor=pdtxtred,linewidth=0pt]%
+      (0,0)(\slidewidth,.075\slideheight)%
+    \psline[linecolor=black,linewidth=1pt]%
+      (0,.075\slideheight)(\slidewidth,.075\slideheight)%
+  }{%
+    \psframe*[linecolor=pdtxtred,linewidth=0pt]%
+      (0,0)(\slidewidth,.1\slideheight)%
+    \psline[linecolor=black,linewidth=1pt]%
+      (0,.1\slideheight)(\slidewidth,.1\slideheight)%
+  }%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\pd@tocslide#1{\ding{118}\,#1}
+\def\labelitemi{\color{pdtxtred}\footnotesize\ding{108}}
+\def\labelitemii{\color{pdtxtred}\small\ding{70}}
+\def\labelitemiii{\color{pdtxtred}\tiny\ding{110}}
+\def\labelitemiv{\color{pdtxtred}\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{pddblue}
+\renewcommand\familydefault{\sfdefault}
+%</pdhusky>
+%
+%<*pdsailor>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-sailor}[2005/10/09 v1.1 sailor style (MH,HA)]
+\RequirePackage{calc}
+\RequirePackage{amssymb}
+\RequirePackage{pst-grad}
+\definecolor{pddblue}{rgb}{.141,.188,.235}
+\definecolor{pdblue}{rgb}{.298,.392,.49}
+\definecolor{pdlblue}{rgb}{.522,.592,.647}
+\definecolor{pdgray}{rgb}{.8627,.8941,.9255}
+\pddefinetemplate{basic}{%
+  texthook=tl,
+  titlefont=\Large\bfseries\color{white}\raggedleft,
+  iacolor=pdlblue,
+  toctcolor=pdlblue,
+  tochlcolor=white,
+  tochltcolor=pddblue,
+  ifsetup=landscape,
+  lfpos={.02\slidewidth,.02\slideheight},
+  rfpos={.98\slidewidth,.02\slideheight},
+  tocsecsep=2.5ex,
+  tocslidesep=1.2ex,
+  tocslideindent=1ex,
+  tocpos={.01\slidewidth,.8\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pddblue]%
+    (-.05,-.05)(.14\slidewidth,-.05)},
+  ifsetup=portrait,
+  lfpos={.02\slidewidth,.015\slideheight},
+  rfpos={.98\slidewidth,.015\slideheight},
+  tocsecsep=.1ex,
+  tocslidesep=.1ex,
+  stochook=tr,
+  stocpos={.49\slidewidth,.09\slideheight},
+  stocfont=\tiny\raggedleft,
+  stocwidth=.48\slidewidth,
+  ntocpos={.51\slidewidth,.09\slideheight},
+  ntocwidth=.48\slidewidth,
+}{}
+\pddefinetemplate[basic]{topframe}{%
+  titlehook=r,
+  ifsetup=landscape,
+  titlewidth=.9\slidewidth,
+  titlepos={.95\slidewidth,.92\slideheight},
+  textheight=.74\slideheight,
+  textpos={.2\slidewidth,.8\slideheight},
+  textwidth=.77\slidewidth,
+  ifsetup=portrait,
+  titlewidth=.94\slidewidth,
+  titlepos={.98\slidewidth,.95\slideheight},
+  textheight=.75\slideheight,
+  textpos={.03\slidewidth,.87\slideheight},
+  textwidth=.94\slidewidth
+}{%
+  \pdifsetup{landscape}{%
+    \pd@sailorroundedtopframe{.15\slideheight}%
+  }{%
+    \pd@sailorroundedtopframe{.1\slideheight}%
+  }%
+}
+\pddefinetemplate[basic]{titleslide}{%
+  texthook=rt,
+  textpos={.95\slidewidth,.77\slideheight},
+  textwidth=.9\slidewidth,
+  textfont=\color{pddblue}\raggedleft\tabcolsep0pt,
+  textheight=.72\slideheight,
+  titlefont=\Large\bfseries\color{white},
+  tocpos,ntocpos,stocpos
+}{%
+  \psset{linecolor=pddblue}%
+  \pdifsetup{landscape}{%
+    \pd@sailorroundedframe{\slidewidth}{.25\slidewidth}{.7\slideheight}%
+      {.17\slideheight}%
+  }{%
+    \pd@sailorroundedframe{\slidewidth}{.25\slidewidth}{.7\slideheight}%
+      {.12\slideheight}%
+  }%
+  \pd@sailorgrad\slidewidth{.5\slideheight}%
+  \psset{linecolor=pdlblue}%
+  \psarc*(0,.2\slideheight){3pt}{270}{90}%
+  \multips(.08\slidewidth,.2\slideheight)(.08\slidewidth,0){9}{%
+    \qdisk(0,0){3pt}%
+  }%
+}
+\pddefinetemplate[topframe]{slide}{}{%
+  \pdifsetup{landscape}{%
+    \pd@sailorgrad{.16\slidewidth}{.5\slideheight}%
+    \psset{linecolor=pdlblue}%
+    \multips(.16\slidewidth,0.75pt)(0,.01\slideheight){82}{%
+      \qdisk(0,0){.75pt}%
+    }%
+  }\pd@sailortocbg
+}
+\pddefinetemplate[topframe]{wideslide}{%
+  tocpos,ifsetup=landscape,
+  textpos={.03\slidewidth,.8\slideheight},
+  textwidth=.94\slidewidth
+}{%
+  \pdifsetup{portrait}\pd@sailortocbg{}%
+}
+\pddefinetemplate[slide]{sectionslide}{%
+  titlefont=\Large\bfseries\color{pddblue}\centering,
+  titlehook=c,
+  titlewidth=.55\slidewidth,
+  ifsetup=landscape,
+  titlepos={.58\slidewidth,.55\slideheight},
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+}{}
+\pddefinetemplate[basic]{sectionwideslide}{%
+  tocpos,stocpos,ntocpos,
+  titlehook=c,titlewidth=.75\slidewidth,
+  titlepos={.4\slidewidth,.695\slideheight},
+  titlefont=\Large\bfseries\color{white}\centering
+}{%
+  \pd@sailorgrad\slidewidth{.5\slideheight}%
+  \psset{linecolor=pddblue}%
+  \pdifsetup{landscape}{%
+    \pd@sailorroundedframe{0pt}{.75\slidewidth}{.7\slideheight}%
+      {.1\slideheight}%
+  }{%
+    \pd@sailorroundedframe{0pt}{.75\slidewidth}{.7\slideheight}%
+      {.07\slideheight}%
+  }%
+  \psset{linecolor=pdlblue}%
+  \psarc*(\slidewidth,.2\slideheight){3pt}{90}{270}%
+  \multips(.92\slidewidth,.2\slideheight)(-.08\slidewidth,0){9}{%
+    \qdisk(0,0){3pt}%
+  }%
+}
+\def\pd@sailorroundedtopframe#1{%
+  \setlength\@tempdima{\slideheight-#1}%
+  \psset{linewidth=0pt,fillcolor=pdblue,fillstyle=solid,linecolor=pdblue}%
+  \psframe(#1,\slideheight)(\slidewidth,\@tempdima)%
+  \pswedge*(#1,\slideheight){#1}{180}{275}%
+  \psset{linecolor=pddblue,linewidth=.8pt}%
+  \psline(\slidewidth,\@tempdima)(#1,\@tempdima)%
+  \psarc[fillstyle=none](#1,\slideheight){#1}{180}{270}%
+}
+\def\pd@sailorroundedframe#1#2#3#4{%
+  \setlength\@tempdima{#3+#4}%
+  \setlength\@tempdimb{#3-#4}%
+  \psset{linewidth=0pt,linecolor=pdblue,fillcolor=pdblue,fillstyle=solid}%
+  \psframe(#1,\@tempdima)(#2,\@tempdimb)%
+  \ifdim#1>#2\pswedge*(#2,#3){#4}{85}{275}\else\pswedge*(#2,#3){#4}{265}{95}\fi
+  \psset{linecolor=pddblue,linewidth=.8pt}%
+  \psline(#1,\@tempdima)(#2,\@tempdima)%
+  \ifdim#1>#2\psarc(#2,#3){#4}{90}{270}\else\psarc(#2,#3){#4}{270}{90}\fi
+  \psline(#1,\@tempdimb)(#2,\@tempdimb)%
+}
+\def\pd@sailorgrad#1#2{%
+  \psframe[linestyle=none,linewidth=0pt,fillstyle=gradient,%
+    gradbegin=pdgray,gradend=white,gradmidpoint=0](0,0)(#1,#2)%
+}
+\def\pd@sailortocbg{%
+  \psset{linecolor=pdlblue}%
+  \pd@sailorgrad\slidewidth{.1\slideheight}%
+  \multips(1.5pt,.1\slideheight)(.01\slidewidth,0){100}{%
+    \qdisk(0,0){.75pt}%
+  }%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\pd@title#1{%
+  \parbox[c][.15\textheight]{.75\slidewidth}{\raggedleft#1}%
+  \vskip-3em\vskip.2\slideheight
+}
+\def\pd@tochighlight#1{%
+  \hskip\@tempdima
+  \begin{minipage}[b]\@tempdimb
+    \pd@usedtocfont\color\pd@@tochltcolor#1%
+  \end{minipage}%
+}
+\def\labelitemi{\footnotesize\color{pdblue}\ensuremath\blacksquare}
+\def\labelitemii{\footnotesize\color{pddblue}\ensuremath\square}
+\def\labelitemiii{\tiny\color{pdblue}\ensuremath\blacksquare}
+\def\labelitemiv{\tiny\color{pddblue}\ensuremath\square}
+\pdsetup{list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}}
+\color{pddblue}
+\def\rmdefault{phv}
+\def\sfdefault{phv}
+\def\Hv@scale{.85}
+%</pdsailor>
+%
+%<*pdupen>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-upen}[2005/10/09 v1.1 upen style (PRU,HA)]
+\RequirePackage{calc}
+\RequirePackage{pifont}
+\RequirePackage{pst-grad}
+\definecolor{pddblue}{rgb}{0,.01,.37}
+\definecolor{pdblue}{rgb}{.01,.06,.65}
+\definecolor{pdlblue}{rgb}{.88,.95,1}
+\definecolor{pdgyellow}{rgb}{.98,.78,.18}
+\pddefinetemplate{basic}{
+  titlefont=\large\bfseries\color{pdgyellow},
+  tocslidesep=.6ex,
+  toctcolor=white,
+  tochlcolor=pddblue,
+  tochltcolor=pdgyellow,
+  ifsetup=portrait,
+  textheight=.64\slideheight,
+  titlepos={.12\slidewidth,.87\slideheight},
+  titlewidth=.83\slidewidth,
+  textpos={.12\slidewidth,.78\slideheight},
+  textwidth=.83\slidewidth,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.47\slidewidth,.12\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntochook=tl,ntocpos={.52\slidewidth,.12\slideheight},
+  lfpos={.05\slidewidth,.045\slideheight},
+  rfpos={.95\slidewidth,.045\slideheight},
+  ifsetup=landscape,
+  titlepos={.175\slidewidth,.87\slideheight},
+  titlewidth=.775\slidewidth,
+  textheight=.7\slideheight,
+  textpos={.175\slidewidth,.77\slideheight},
+  textwidth=.775\slidewidth,
+  lfpos={.05\slidewidth,.03\slideheight},
+  rfpos={.95\slidewidth,.03\slideheight},
+  tocpos={.02\slidewidth,.77\slideheight},
+  tocwidth=.13\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdgyellow]%
+    (-.05,-.05)(.12\slidewidth,-.05)}
+}{%
+  \pdifsetup{landscape}{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pddblue,%
+      gradend=pdblue,gradangle=-90,gradmidpoint=0,linewidth=0pt]%
+      (0,.8\slideheight)(\slidewidth,0)%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pddblue,%
+      gradend=pddblue,gradmidpoint=0,dimen=outer,linewidth=0pt]%
+      (0,.8\slideheight)(\slidewidth,\slideheight)%
+  }{%
+    \psframe[linestyle=none,fillstyle=gradient,gradbegin=pdblue,%
+      gradend=pddblue,gradmidpoint=0,dimen=outer]%
+      (-.01\slidewidth,1.1\slideheight)(1.05\slidewidth,-.01\slideheight)%
+  }%
+}
+\pddefinetemplate[basic]{titleslide}{
+  texthook=t,textpos={.5\slidewidth,.7\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering\color{pdgyellow},
+  textheight=.63\slideheight,
+  titlefont=\Large\bfseries\centering,tocpos,ntocpos,stocpos
+}{%
+  \setlength\@tempdima{.8\slideheight+.5pt}%
+  \psframe[fillstyle=gradient,gradbegin=pdblue,gradend=pdgyellow,%
+    gradangle=90,gradmidpoint=.5,linestyle=none,dimen=outer,linewidth=0pt]%
+    (0,.8\slideheight)(\slidewidth,\@tempdima)%
+  \setlength\@tempdima{.2\slideheight+.5pt}%
+  \psframe[fillstyle=gradient,gradbegin=pdblue,gradend=pdgyellow,%
+    gradangle=90,gradmidpoint=.5,linestyle=none,dimen=outer,linewidth=0pt]%
+    (0,.2\slideheight)(\slidewidth,\@tempdima)%
+}
+\pddefinetemplate[basic]{slide}{}{%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=gradient,gradbegin=pddblue,gradend=pdblue,%
+      gradmidpoint=1,linestyle=none,dimen=outer,linewidth=0pt]%
+      (0,\slideheight)(.15\slidewidth,0)%
+    \pd@upenbg{.15\slidewidth}{.05\slidewidth}%
+  }{\pd@upenbg{.1\slidewidth}{0pt}}%
+}
+\pddefinetemplate[basic]{wideslide}{
+  titlepos={.05\slidewidth,.87\slideheight},
+  titlewidth=.9\slidewidth,
+  textpos={.05\slidewidth,.77\slideheight},
+  textwidth=.9\slidewidth,
+  ifsetup=landscape,tocpos
+}{%
+  \setlength\@tempdima{.8\slideheight-.5pt}%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=gradient,gradbegin=pddblue,gradend=white,linewidth=0pt,%
+      gradangle=90,gradmidpoint=.2,linestyle=none,dimen=outer]%
+      (.05\slidewidth,.8\slideheight)(.5\slidewidth,\@tempdima)%
+  }{%
+    \psframe[fillstyle=gradient,gradbegin=pddblue,gradend=white,linewidth=0pt,%
+      gradangle=90,gradmidpoint=.2,linestyle=none,dimen=outer]%
+      (0,.8\slideheight)(.45\slidewidth,\@tempdima)%
+  }%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlewidth=.45\slidewidth,titlehook=c,
+  titlefont=\Large\bfseries\centering\color{pdgyellow},
+  ifsetup=landscape,
+  titlepos={.59\slidewidth,.53\slideheight},
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.53\slideheight}
+}{%
+  \psset{linewidth=.8pt,linecolor=pdblue}%
+  \pdifsetup{landscape}{%
+    \psframe[fillstyle=solid,fillcolor=pddblue,linestyle=none]%
+      (.34\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+  }{%
+    \psframe[fillstyle=solid,fillcolor=pddblue,linestyle=none]%
+      (.16\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+  }%
+}
+\pddefinetemplate[wideslide]{sectionwideslide}{%
+  titlewidth=.62\slidewidth,titlehook=c,
+  titlefont=\Large\bfseries\centering\color{pdgyellow},
+  titlepos={.5\slidewidth,.53\slideheight}
+}{%
+  \psframe*[linecolor=pddblue]%
+    (.16\slidewidth,.65\slideheight)(.84\slidewidth,.4\slideheight)%
+}
+\def\pd@upenbg#1#2{%
+  \setlength\@tempdima{#1+.5pt}%
+  \psframe[fillstyle=gradient,gradbegin=pddblue,gradend=white,%
+    gradmidpoint=.4,linestyle=none,dimen=outer,linewidth=0pt]%
+    (#1,.5\slideheight)(\@tempdima,\slideheight)%
+  \setlength\@tempdima{.45\slidewidth+#2}%
+  \setlength\@tempdimb{.8\slideheight-.5pt}%
+  \psframe[fillstyle=gradient,gradbegin=pddblue,gradend=white,linewidth=0pt,%
+    gradangle=90,gradmidpoint=.2,linestyle=none,dimen=outer]%
+    (#2,.8\slideheight)(\@tempdima,\@tempdimb)%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\def\pd@tochighlight#1{%
+  \begin{minipage}[b]\pd@@tocwidth
+    \pd@usedtocfont\color\pd@@tochltcolor#1%
+  \end{minipage}%
+}
+\pdifsetup{landscape}{\def\pd@tocentry#1{{\tiny\ensuremath\bullet}\ #1}}{}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\color{pdgyellow}\small ---}
+\def\labelitemiii{\color{red}\scriptsize\ding{115}}
+\def\labelitemiv{\color{yellow}\tiny\ensuremath\circ}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{white}
+\def\rmdefault{phv}
+\def\sfdefault{phv}
+\def\Hv@scale{.85}
+%</pdupen>
+%
+%<*pdbframe>
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{powerdot-bframe}[2005/10/09 v1.0 bframe style (PRU,HA)]
+\RequirePackage{pifont}
+\RequirePackage{pst-blur}
+\definecolor{pdred}{rgb}{.7,.1,.1}
+\definecolor{pddblue}{rgb}{.01,.05,.56}
+\pddefinetemplate{basic}{
+  titlehook=B,titlefont=\large\bfseries\centering,
+  lfpos={.05\slidewidth,.04\slideheight},
+  rfpos={.95\slidewidth,.04\slideheight},
+  tocslidesep=.6ex,
+  toctcolor=white,
+  tochlcolor=pdred,
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.91\slideheight},
+  titlewidth=.9\slidewidth,
+  textpos={.05\slidewidth,.85\slideheight},
+  textwidth=.9\slidewidth,textheight=.69\slideheight,
+  tocsecsep=.6ex,
+  stochook=tr,stocpos={.48\slidewidth,.13\slideheight},
+  stocfont=\tiny\raggedleft,
+  ntocpos={.52\slidewidth,.13\slideheight},
+  ifsetup=landscape,
+  titlepos={.58\slidewidth,.91\slideheight},
+  titlewidth=.75\slidewidth,
+  textpos={.2\slidewidth,.85\slideheight},
+  textwidth=.75\slidewidth,textheight=.69\slideheight
+}{}
+\pddefinetemplate[basic]{titleslide}{
+  texthook=t,textpos={.5\slidewidth,.75\slideheight},
+  textwidth=.9\slidewidth,textfont=\centering,
+  titlepos,textheight=.59\slideheight
+}\pd@bframebg
+\pddefinetemplate[basic]{wideslide}{
+  titlepos={.5\slidewidth,.91\slideheight},
+  titlewidth=.9\slidewidth,
+  textpos={.05\slidewidth,.85\slideheight},
+  textwidth=.9\slidewidth
+}\pd@bframebg
+\pddefinetemplate[basic]{slide}{
+  ifsetup=landscape,
+  tocpos={.015\slidewidth,.83\slideheight},
+  tocwidth=.14\slidewidth,
+  tocsecm={\psline[linewidth=.5pt,linecolor=pdred]%
+    (-.05,-.05)(.143\slidewidth,-.05)}
+}{%
+  \psset{linecolor=pddblue,shadow=true,blur=true,shadowcolor=gray!60}%
+  \pdifsetup{landscape}{%
+    \psframe*[framearc=.3](0,.87\slideheight)(.17\slidewidth,.15\slideheight)%
+    \psframe*[framearc=.1](.18\slidewidth,.87\slideheight)(.98\slidewidth,.15\slideheight)%
+    \psframe*[framearc=.3](.02\slidewidth,.01\slideheight)(.98\slidewidth,.08\slideheight)%
+  }{%
+    \psframe*[framearc=.3](.02\slidewidth,.01\slideheight)(.98\slidewidth,.14\slideheight)%
+    \psframe*[framearc=.1](.02\slidewidth,.87\slideheight)(.98\slidewidth,.15\slideheight)%
+  }%
+}
+\pddefinetemplate[slide]{sectionslide}{
+  titlehook=c,titlefont=\Large\bfseries\centering,
+  ifsetup=landscape,
+  titlepos={.575\slidewidth,.55\slideheight},
+  ifsetup=portrait,
+  titlepos={.5\slidewidth,.55\slideheight},
+}{}
+\pddefinetemplate[wideslide]{sectionwideslide}{
+  titlehook=c,titlefont=\color{white}\Large\bfseries\centering,
+  titlepos={.5\slidewidth,.55\slideheight},
+  titlewidth=.9\slidewidth
+}{}
+\def\pd@bframebg{%
+  \pdifsetup{landscape}{%
+    \def\pd@tempa{.08\slideheight}%
+  }{%
+    \def\pd@tempa{.14\slideheight}%
+  }%
+  \psset{linecolor=pddblue,shadow=true,blur=true,shadowcolor=gray!60}%
+  \psframe*[framearc=.3](.02\slidewidth,.01\slideheight)(.98\slidewidth,\pd@tempa)%
+  \psframe*[framearc=.1](.02\slidewidth,.87\slideheight)(.98\slidewidth,.15\slideheight)%
+}
+\def\pd@slidetitle#1{%
+  \settowidth\@tempdima{#1}%
+  \ifdim\@tempdima>\pd@@titlewidth\@tempdima\pd@@titlewidth\fi
+  \rput[B](0,0){\psframebox*[framearc=.3,fillcolor=pddblue,%
+    shadow=true,blur=true,shadowcolor=gray!60]{%
+      \parbox[b]\@tempdima{#1}%
+    }%
+  }%
+}
+\def\pd@title#1{%
+  {\let\thanks\@gobble\let\footnote\@gobble\settowidth\@tempdima{#1}}%
+  \ifdim\@tempdima>\pd@@titlewidth\@tempdima\pd@@titlewidth\fi
+  \advance\@tempdima-6pt
+  \psframebox*[framearc=.3,fillcolor=pdred]{\parbox[b]\@tempdima{#1}}%
+}
+\setkeys[pd]{section}{sectemp=sectionslide,widesectemp=sectionwideslide}
+\pdifsetup{landscape}{\def\pd@tocslide#1{{\tiny\color{yellow}\ding{117}} #1}}{}
+\def\labelitemi{\footnotesize\ding{110}}
+\def\labelitemii{\small\ding{117}}
+\def\labelitemiii{\tiny\ding{110}}
+\def\labelitemiv{\tiny\ding{117}}
+\pdsetup{
+  list={labelsep=1em,leftmargin=*,itemsep=0pt,topsep=5pt,parsep=0pt}
+}
+\color{white}
+\def\rmdefault{put}
+%</pdbframe>
+%
+%<*pdstyletest>
+%%
+%% For testing, enter your style below.
+%% Switch on only one paper/orient option at a time.
+\documentclass[
+  style=your style,
+  paper=screen,
+%%  paper=a4paper,
+%%  paper=letterpaper,
+  orient=landscape,
+%%  orient=portrait,
+  size=11pt,
+%%  hlsections
+]{powerdot}
+
+\pdsetup{
+  lf=left footer,
+  rf=right footer
+}
+
+%% For testing text height.
+\makeatletter
+\def\textheightrule{%
+  \raisebox\baselineskip{\rule{1cm}\pd@@textheight}%
+}
+\makeatother
+
+\title{This is a test file to test new styles with --
+this title is very long on purpose.\thanks{Adjust textheight
+to position this footnote.}}
+\author{Hendri Adriaens \and Christopher Ellison}
+\date{August 16, 2005}
+
+\begin{document}
+
+\maketitle
+
+\begin{slide}{Test normal slide}
+  Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus
+  elit, vestibulum ut, placerat ac, adipiscing vitae, felis. Curabitur
+  dictum gravida mauris. Nam arcu libero, nonummy eget, consectetuer
+  id, vulputate a, magna. Donec vehicula augue eu neque. Pellentesque
+  habitant morbi tristique senectus et netus et malesuada fames ac
+  turpis egestas. Mauris ut leo. Cras viverra metus rhoncus sem.
+\end{slide}
+
+\begin{slide}{Test itemize}
+  Some text.\pause
+  \begin{itemize}
+    \item level 1\pause
+    \begin{itemize}
+      \item level 2\pause
+      \begin{itemize}
+        \item level 3\pause
+        \begin{itemize}
+          \item level 4
+        \end{itemize}
+      \end{itemize}
+    \end{itemize}
+  \end{itemize}
+  Some text.\footnote{Adjust textheight
+  to position this footnote.}
+\end{slide}
+
+\section{Normal section}
+
+\begin{slide}{Test enumerate and inactive color}
+  Some text.\pause
+  \begin{enumerate}[type=1]
+    \item level 1\pause
+    \begin{enumerate}
+      \item level 2\pause
+      \begin{enumerate}
+        \item level 3\pause
+        \begin{enumerate}
+          \item level 4
+        \end{enumerate}
+      \end{enumerate}
+    \end{enumerate}
+  \end{enumerate}
+  Some text.
+\end{slide}
+
+\begin{slide}{The rule has height \texttt{textheight}}
+  \textheightrule
+\end{slide}
+
+\section[template=wideslide]{Wide slide section}
+
+\begin{wideslide}{Test wideslide}
+  Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus
+  elit, vestibulum ut, placerat ac, adipiscing vitae, felis. Curabitur
+  dictum gravida mauris. Nam arcu libero, nonummy eget, consectetuer
+  id, vulputate a, magna. Donec vehicula augue eu neque. Pellentesque
+  habitant morbi tristique senectus et netus et malesuada fames ac
+  turpis egestas. Mauris ut leo. Cras viverra metus rhoncus
+  sem.\footnote{Adjust textheight to position this footnote.}
+\end{wideslide}
+
+\begin{wideslide}{The rule has height \texttt{textheight}}
+  \textheightrule
+\end{wideslide}
+
+\end{document}
+%</pdstyletest>
+%
+%<*pdstyleexample>
+\documentclass[paper=letterpaper,style=\style]{powerdot}
+\title{Example of the \style\ style}
+\author{Hendri Adriaens \and Christopher Ellison}
+\pddefinetemplate[slide]{slide}{tocpos}{}
+\pdsetup{lf=left footer,rf=right footer}
+\begin{document}
+\maketitle
+\begin{slide}{Example slide}
+  Here is the binomium formula.
+  \begin{equation}\label{binomium}
+    (a+b)^n=\sum_{k=0}^n{n\choose k}a^{n-k}b^k
+  \end{equation}
+  We will prove formula (\ref{binomium}) on the blackboard.\\
+  \begin{itemize}
+    \item Here
+    \begin{itemize}
+      \item is
+      \begin{itemize}
+        \item a
+        \begin{itemize}
+          \item list
+        \end{itemize}
+        \item with
+      \end{itemize}
+      \item seven
+    \end{itemize}
+    \item items.
+  \end{itemize}
+\end{slide}
+\end{document}
+%</pdstyleexample>
+%
+%<*pdexample1>
+\documentclass{powerdot}
+
+\title{powerdot example 1}
+\author{Hendri Adriaens \and Christopher Ellison}
+
+\begin{document}
+
+\maketitle
+
+\begin{slide}{Slide 1}
+  \begin{itemize}
+    \item This is the first slide\pause
+    \item There is nothing special about it.
+  \end{itemize}
+\end{slide}
+
+\section{First section}
+
+\begin{slide}{Slide 2}
+  \begin{itemize}
+    \item<1-> Here
+    \begin{itemize}
+      \item<2-> we
+      \begin{itemize}
+        \item<3-> demonstrate
+        \begin{itemize}
+          \item<4-> the itemize environment
+        \end{itemize}
+      \end{itemize}
+    \end{itemize}
+  \end{itemize}
+\end{slide}
+
+\begin{slide}{Slide 3}
+  \begin{enumerate}[type=1]
+    \item<1> Here
+    \begin{enumerate}
+      \item<2> we
+      \begin{enumerate}
+        \item<3> demonstrate
+        \begin{enumerate}
+          \item<4> the enumerate environment
+        \end{enumerate}
+      \end{enumerate}
+    \end{enumerate}
+  \end{enumerate}
+\end{slide}
+
+\end{document}
+%</pdexample1>
+%
+%<*pdexample2>
+\documentclass[
+  size=12pt,
+  style=ikeda,
+  paper=screen,
+%% Try me!
+%%  orient=portrait,
+%%  mode=handout,
+%%  display=slidesnotes,
+  blackslide,
+  nopagebreaks,
+  fleqn
+]{powerdot}
+
+\title{powerdot example 2}
+\author{Hendri Adriaens\and Christopher Ellison}
+
+\pdsetup{
+  lf=Example 2,
+  rf=for powerdot,
+  trans=Wipe,
+  theslide=slide~\arabic{slide},
+  list={itemsep=6pt}
+}
+
+\begin{document}
+
+\maketitle
+
+\begin{slide}{Slide 1}
+  \begin{itemize}
+    \item This is a bigger example\pause
+    \item demonstrating more of the possibilities of powerdot.
+  \end{itemize}
+\end{slide}
+
+\section{This section has a slide}
+
+\begin{slide}{Slide 2}
+  Here is the binomium formula.\pause
+  \begin{equation}\label{binomium}
+    (a+b)^n=\sum_{k=0}^n{n\choose k}a^{n-k}b^k
+  \end{equation}\pause
+  We will prove formula (\ref{binomium}) on the blackboard.\\
+  Click the title of this slide to switch to the black slide.
+\end{slide}
+
+\begin{note}{Note to slide 2}
+  Here we could type the proof that
+  we want to copy to the blackboard.
+\end{note}
+
+\begin{slide}{Slide 3}
+  \begin{itemize}[type=1]
+    \item This happens\dots\pause
+    \item when you change\dots\pause
+    \item the type of itemize.
+  \end{itemize}
+\end{slide}
+
+\section[template=wideslide,tocsection=hidden]{A hidden wide section}
+
+\begin{slide}{Slide 4}
+  \begin{itemize}
+    \item We only treat this material\dots\pause
+    \begin{itemize}
+      \item if we have some time left.\pause
+      \item But don't hesitate\dots\pause
+    \end{itemize}
+    \item to read it yourself.
+  \end{itemize}
+\end{slide}
+
+\begin{wideslide}{Slide 5}
+  This wide slide can contain more material
+  as it is wider and does not have a table
+  of contents.
+\end{wideslide}
+
+\end{document}
+%</pdexample2>
+%
+%<*preamble>
+\usepackage{url}
+\usepackage{fourier}
+\usepackage{xcolor}
+\usepackage{enumitem}
+\usepackage{graphicx}
+\usepackage{pst-char}
+\usepackage{listings}
+\usepackage{array}
+\usepackage{xkeyval}
+\usepackage{varioref}
+\usepackage[section]{placeins}
+\lstnewenvironment{command}{%
+  \lstset{columns=flexible,frame=single,backgroundcolor=\color{blue!20},%
+    xleftmargin=\fboxsep,xrightmargin=\fboxsep,escapeinside=`',gobble=1}}{}
+\lstnewenvironment{example}[1][]{%
+  \lstset{basicstyle=\footnotesize\ttfamily,columns=flexible,frame=single,%
+    backgroundcolor=\color{yellow!20},xleftmargin=\fboxsep,%
+    xrightmargin=\fboxsep,gobble=1,%
+%    language=[LaTeX]TeX,keywordstyle=\color{blue},%
+%    moretexcs=[1]{color,ProvidesPackage},%
+%    moretexcs=[2]{onslide,pause,pdsetup,maketitle,tableofcontents},%
+%    texcsstyle=[2]\color{red}%
+    }\lstset{#1}}{}
+\def\option#1{\fcolorbox{black}{red!20}{\texttt{#1}}\vspace*{.2cm}}
+\def\mktitledecor{%
+  \rput[tl]{90}(-5.5,-25.51){%
+    \psline[linewidth=1pt](0,1.5)(\paperheight,1.5)%
+    \rput[lB](.075\paperheight,.5){\pscharpath[linecolor=blue!50,%
+      fillcolor=yellow!20,fillstyle=solid,linewidth=.5pt]%
+      {\Huge\bfseries\sffamily powerdot}%
+    }%
+    \rput[rB](.925\paperheight,.5){\pscharpath[linecolor=blue!50,%
+      fillcolor=yellow!20,fillstyle=solid,linewidth=.5pt]%
+      {\Huge\bfseries Documentation}%
+    }%
+    \psline[linewidth=1pt](0,0)(\paperheight,0)%
+  }%
+}
+\makeatletter
+\def\tableofcontents{\@starttoc{toc}}
+\renewenvironment{theglossary}{%
+  \section*{Version history}%
+  For more information on bug fixes, typeset the source code
+  documentation (see section~\ref{sec:source}).\par\medskip
+  \GlossaryParms \let\item\@idxitem \ignorespaces
+}{}%
+\def\DescribeMacros{\leavevmode\@bsphack
+  \begingroup\MakePrivateLetters\Describe@Macros}
+\def\Describe@Macros#1{\endgroup\strut
+  \marginpar{\raggedleft
+  \def\@tempa{#1}\count@\z@
+  \XKV@for@o\@tempa\@tempa{%
+    \ifnum\count@>\z@\\\fi\advance\count@\@ne
+    \MacroFont\expandafter\string\@tempa
+    \expandafter\SpecialUsageIndex\expandafter{\@tempa}%
+  }}%
+  \@esphack\ignorespaces
+}
+\def\DescribeOption#1{\leavevmode\@bsphack
+              \marginpar{\raggedleft\PrintDescribeOption{#1}}%
+              \SpecialOptionIndex{#1}\@esphack\ignorespaces}
+\def\PrintDescribeOption#1{\strut\emph{option}\\\MacroFont #1\ }
+\def\SpecialOptionIndex#1{\@bsphack
+    \index{#1\actualchar{\protect\ttfamily#1}
+           (option)\encapchar usage}\@esphack}
+\def\DescribeOptions#1{\leavevmode\@bsphack
+  \marginpar{\raggedleft\strut\emph{options}%
+  \@for\@tempa:=#1\do{%
+    \\\strut\MacroFont\@tempa\SpecialOptionIndex\@tempa
+  }}\@esphack\ignorespaces}
+\def\SpecialEnvIndex#1{\@bsphack
+    \index{#1\actualchar{\protect\ttfamily#1}
+           (environment)\encapchar usage}\@esphack}
+\def\changes@#1#2#3{%
+  \protected@edef\@tempa{%
+    \noexpand\glossary{\textbf{#1}\hfill\emph{(#2)}%
+    \levelchar
+    \ifx\saved@macroname\@empty
+      \space\actualchar\generalname
+    \else
+      \expandafter\@gobble\saved@macroname
+      \actualchar\string\verb\quotechar*%
+      \verbatimchar\saved@macroname\verbatimchar
+    \fi
+    :\levelchar #3}%
+  }%
+  \@tempa\endgroup\@esphack
+}
+\makeatother
+\def\PrintChangesX{%
+  \begingroup
+    \let\efill\relax
+    \PrintChanges
+  \endgroup
+}
+\def\PrintIndexX{%
+  \begingroup
+    \setcounter{IndexColumns}{2}
+    \setlength{\columnsep}{18pt}%
+    \setlength{\columnseprule}{.4pt}%
+    \PrintIndex
+  \endgroup
+}
+\def\larg#1{{\ttfamily\char`\<}\meta{#1}{\ttfamily\char`\>}}
+\def\LyX{L\kern-.1667em\lower.25em\hbox{Y}\kern-.125emX\@}
+\def\LyXarrow{\leavevmode\,$\triangleright$\,\allowbreak}
+\let\pf\textsf
+\def\equals{=}
+\newcolumntype{d}{c|l}
+\newcolumntype{e}{c|c|c|c}
+\newcolumntype{f}{l|p{8cm}}
+\RecordChanges
+\CodelineIndex
+\newcounter{FAQ}
+\def\question{%
+  \stepcounter{FAQ}%
+  \parskip4pt plus 2pt minus 1pt
+  \itemsep4pt plus 2pt minus 1pt
+  \parsep4pt plus 2pt minus 1pt
+  \item[\textbf{Q\arabic{FAQ}}]%
+}
+\def\answer{%
+  \parskip0pt
+  \itemsep0pt
+  \parsep0pt
+  \item[\textbf{A\arabic{FAQ}}]%
+}
+\def\styleexample#1{%
+  \IfFileExists{powerdot-styleexample-#1.001}{%
+    \IfFileExists{powerdot-styleexample-#1.002}{%
+      \hspace*{\stretch{1}}%
+      \fbox{\includegraphics[scale=.16,angle=-90,clip]%
+        {powerdot-styleexample-#1.001}}%
+      \hspace*{\stretch{2}}%
+      \fbox{\includegraphics[scale=.16,angle=-90,clip]%
+        {powerdot-styleexample-#1.002}}%
+      \hspace*{\stretch{1}}\par
+    }{\textbf{No example files found for style \pf{#1}.}}%
+  }{\textbf{No example files found for style \pf{#1}.}}%
+}
+%</preamble>
+%
+%<*bib>
+@book{companion,
+  author       = {Frank Mittelbach and Michel Goossens},
+  title        = {The {\LaTeX} Companion},
+  edition      = 2,
+  note         = {With Johannes Braams, David Carlisle, and Chris Rowley},
+  series       = {Tools and Techniques for Computer Typesetting},
+  publisher    = {Addison-Wesley},
+  address      = {Boston, Massachusetts},
+  year         = 2004,
+  pagenums     = {1120},
+  bibliography = {yes},
+  index        = {yes},
+  isbn         = {0-201-36299-6}
+}
+
+@MISC{PSTricks,
+  author       = {{Timothy Van} {Zandt et al.}},
+  title        = {\pf{PSTricks} package, v1.07, 2005/05/06},
+  howpublished = {\url{CTAN:/graphics/pstricks}}
+}
+
+@MISC{PSTricksWeb,
+  author       = {Herbert Vo\ss},
+  title        = {\pf{PSTricks} website},
+  howpublished = {\url{http://pstricks.tug.org}}
+}
+
+@MISC{xkeyval,
+  author       = {Hendri Adriaens},
+  title        = {\pf{xkeyval} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/xkeyval}}
+}
+
+@MISC{extsizes,
+  author       = {James Kilfiger and Wolfgang May},
+  title        = {\pf{extsizes} bundle},
+  howpublished = {\url{CTAN:/macros/latex/contrib/extsizes}}
+}
+
+@MISC{prosper,
+  author       = {Fr\'ed\'eric Goualard and Peter M\o ller Neergaard},
+  title        = {\pf{prosper} class},
+  howpublished = {\url{CTAN:/macros/latex/contrib/prosper}}
+}
+
+@MISC{HA-prosper,
+  author       = {Hendri Adriaens},
+  title        = {\pf{HA-prosper} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/HA-prosper}}
+}
+
+@MISC{enumitem,
+  author       = {Javier Bezos},
+  title        = {\pf{enumitem} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/enumitem}}
+}
+
+@MISC{hyperref,
+  author       = {Sebastian Rahtz and Heiko Overdiek},
+  title        = {\pf{hyperref} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/hyperref}}
+}
+
+@MISC{natbib,
+  author       = {Patrick W. Daly},
+  title        = {\pf{natbib} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/natbib}}
+}
+
+@MISC{geometry,
+  author       = {Hideo Umeki},
+  title        = {\pf{geometry} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/geometry}}
+}
+
+@MISC{float,
+  author       = {Anselm Lingnau},
+  title        = {\pf{float} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/float}}
+}
+
+@MISC{xcolor,
+  author       = {Uwe Kern},
+  title        = {\pf{xcolor} package},
+  howpublished = {\url{CTAN:/macros/latex/contrib/xcolor}}
+}
+
+@MISC{graphics,
+  author       = {David Carlisle},
+  title        = {\pf{graphics} bundle},
+  howpublished = {\url{CTAN:/macros/latex/required/graphics}}
+}
+
+@MISC{CTAN,
+  author       = {CTAN crew},
+  title        = {{The Comprehensive TeX Archive Network}},
+  howpublished = {\url{http://www.ctan.org}}
+}
+
+@MISC{LyXWeb,
+  author       = {{\LyX\ crew}},
+  title        = {{\LyX\ website}},
+  howpublished = {\url{http://www.lyx.org}}
+}
+%</bib>