[pstricks] Apparent keyval error upon updating pstricks packages

[rossi at york.cuny.edu]

Dear Herbert:

Thanks for your willingness to take a look at this.

> do you really need seminar? It is really a bit out of date and superseeded
> by the powerdot package.

I agree.  I really like powerdot.  It's great.  I am using it all the time
for my new presentations.

It's just that I have 20 general chemistry lectures in seminar, and when the
semester comes, I just have enough time to update the lecture. It does take
some time to move over to powerdot.

> please provide a minimal example file.
Here it is.  Again, I really appreciate this.

Thank you again.

Warm regards,

Angelo

\documentclass{seminar}

\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{datetime}
\usepackage{sem-dem}

%\overlaysfalse
\SeminarCumulativeOverlays

\newcommand{\curly}[1]{{\fontfamily{pzc}\fontsize{16}{16}\itshape#1}}

\def\SeminarStandardHeaderFooterDemos{%
\date{}%
\SeminarStandardHeaderFooter
  {}
  {}
  {}
  {} }

% Change of the width of header and footer rules
\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}

\definecolor{linkcol}{rgb}{1.0,0.0,0.0}
\definecolor{pagecol}{rgb}{0.0,0.0,0.5}

\hypersetup{pdftitle={Chapter 16: Acid - Base Equilibrium},
  pdfsubject={Chemistry 101},
  pdfauthor={Angelo R. Rossi},
  pdfkeywords={dvips, acrobat},
  pdfpagemode={FullScreen}
  }
  \hypersetup{linkcolor=linkcol,urlcolor=linkcol,filecolor=linkcol}

\newcommand{\heading}[1]{{\par\Large\textbf{\color{pagecol}#1}\par}}
\newcommand{\subheading}[1]{{\par\large\textbf{\color{pagecol}#1}\par}}

\slidesmag{4}
\articlemag{1}
\centerslidesfalse

\begin{document}
\renewcommand{\SeminarBackgroundGradientColorBegin}{white}
\renewcommand{\SeminarBackgroundGradientColorEnd}{AntiqueWhite}

\SeminarSlideFrameBackground{SeminarBackgroundGradient}

\color{pagecol}

\begin{slide}
\renewcommand{\baselinestretch}{0.7}
\ptsize{14}
\title{CHEMISTRY\\
\textsc{The Central Science}\\*[0.25in]
Chapter 16\\
Acid - Base Equilibria
}
\author{%
Professor Angelo R. Rossi\\*[0.10in]
\href{http://www.york.cuny.edu/~rossi}{http://www.york.cuny.edu/$\sim$rossi}\\
Natural Sciences Department, Room 3F01\\
York College - CUNY\\
94-50 Guy R. Brewer Blvd.\\
Jamaica, NY 11451, USA
}
\date{%
Fall Semester 2006\\
\makeatletter
\curly{rossi at york.cuny.edu}\\*[0.10in]
\makeatother
}
\maketitle
\end{slide}

\fancyhf{}
\fancyhead[L]{\textcolor{red}{\textit{\textbf{\small Chapter 16}}}}
\fancyhead[R]{\textcolor{red}{\textit{\textbf{\small Acid - Base
Equilibria}}}}
\fancyfoot[L]{\textcolor{red}{\textbf{\textbf{\small Fall Semester 2006}}}}
\fancyfoot[R]{\textcolor{red}{\textbf{\textbf{\small \thepage}}}}
\fancyfoot[C]{\textcolor{red}{\textbf{\textbf{\small Last Updated:
\usdate\today{} at{} \settimeformat{ampmtime}\currenttime}}}}
\renewcommand{\headrulewidth}{0.2mm}
\renewcommand{\footrulewidth}{0.4mm}

\begin{slide}
\renewcommand{\baselinestretch}{0.7}
\ptsize{14}
\heading{Acids and Bases: Definitions}
{\overlay{1}{%
\subheading{Arrhenius Definition of Acids and Bases}
}}
{\overlay{2}{%
\textbf{Acids} are substances which \textbf{increase} the concentration of
\textbf{$\text{H^+}$ ions} when dissolved in water.
\begin{itemize}
\item An acid is a substance that produces $\text{H^+}$ when dissolved in
water.
\end{itemize}
}}
{\overlay{3}{%
\textbf{Bases} are substances which \textbf{increase} the concentration of
\textbf{$\text{OH^-}$ ions} when dissolved in water.
\begin{itemize}
\item A base is a substance that produces OH- when dissolved in water
\end{itemize}
}}
{\overlay{4}{%
But the \textbf{Arrhenius definition of acids and bases} is the limited to
water solutions
}}
\end{slide}

\end{document}


"minimal.tex" 110L, 3044C