\documentclass[
  insertwatermark,watermarkcolor=blue!55,
  firstpagenumber=2,
  maketitlepage,
  unknown-key
]{skeyval-testclass}

\setupskvtestclass{%
  watermarktext={skeyval-test2\\[.25ex]Page~\thepage}
}

\usepackage{lipsum}
\usepackage{xcolor}

% If you try to load 'skeyval-testpkg' with options, the options
% will all be zapped, unless you load 'skeyval-ltxpatch' on top of
% \documentclass.

\setuptextemphasis{usecolour=true,usebold,useitalics=true}

\begin{document}

\title{%
  The \texttt{\textcolor{blue}{skeyval}} Package\\[2ex]
  Version 1.1a\\[1ex]
  \textsf{Test document 2}
  \footnote{Made by \texttt{skeyval-testclass, Version~1.1a.}}%
}
\author{Ahmed Musa\footnote{\texttt{amusa22@gmail.com}.}}

\maketitle

\lipsum[1]

\xem{\lipsum[1]}

\setuptextemphasis{color=blue}

\xem{\lipsum[1]}

\setuptextemphasis{usecolor=false, usebold=false, useitalic=false}

\xem{\lipsum[1]}

\lipsum[1]

\setuptextemphasis{make-textemphasis-inactive}

\xem{\lipsum[1]}

% This will raise an error: 'dummy-option' has been disabled
% at begin document:
% \setuptextemphasis{dummy-option}

\begin{tikzpicture}[shading=ball]
\newforeach \x/\cola in {0/red,1/green,2/blue,3/yellow} do {%
  \newforeach \y/\colb in {0/red,1/green,2/blue,3/yellow} {%
    \node[
      circle,double,draw=-\cola!50!\colb,fill=\cola!50!\colb,
      thick,inner sep=2pt,
      minimum size=10mm,font=\bfseries\color{white}
    ] at (\x*2,\y*2) {\x,\y};
  }%
}
\end{tikzpicture}

\bigskip
\parindent-20pt
\begin{tikzpicture}
\draw[step=.5cm,blue!65,very thin] (0,0) grid (13,6);
\newforeach \x in {1,2,...,5,7,8,...,12} {
  \newforeach \y in {1,...,5} do {
    \draw (\x,\y) +(-.5,-.5) rectangle ++(.5,.5);
    \draw (\x,\y) node{\x,\y};
  }
}
\end{tikzpicture}

\bigskip
\begingroup
\catcode`\,=13
\gdef\alist{1,2,...,5,7,8,...,12}
\endgroup
\parindent-20pt
\begin{tikzpicture}
\draw[step=.5cm,blue!65,very thin] (0,0) grid (13,6);
\newforeach* \x [
  count in=\xc all \x satisfying \ifnum\x>5\fi
] in \alist {
  \newforeach[
    parser={;},
    evaluate=\y as \ye using \numexpr\y*10
  ]
    \y:\z in {1:red; 2:green; 3:blue; 4:brown; 5:purple} do {
    \draw [fill=\z\ifnum\x>5!\ye\fi](\x,\y) +(-.5,-.5) rectangle ++(.5,.5);
    \draw (\x,\y) node {\x,\y};
  }
}
\global\let\xc\xc
\end{tikzpicture}
%\show\xc


\end{document}

% End of file skeyval-pokayoke2.tex