% Copyright (c) 2015-2019 Robert Ryszard Paciorek <rrp@opcode.eu.org>
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\documentclass[a4paper]{article}

\usepackage{ehhline, dashrule}

\begin{document}

\title{The \texttt{ehhline}  package}
\author{Robert Ryszard Paciorek <rrp@opcode.eu.org>}
\date{2019-05-13}
\maketitle

This package extend (via \verb$\AtBeginDocument$ and \verb$\patchcmd$) \verb$\hhline$ command with a \verb$!{...}$ token, which allows build line with \LaTeX command.

When is used \texttt{colortbl} package this package must be load AFTER \texttt{colortbl} (because \texttt{colortbl} package redefine \verb$\HH@loop$ command in \verb$\AtBeginDocument$).

\section{Example}

\begin{verbatim}
\hhline{%
     !{\leaders\hrule height 1pt\hfil}%
     !{\leaders\hbox{\tiny$\star$}\hfil}%
     !{\hfil...\hfil...\hfil}%
     !{\leaders\hbox{\hdashrule{1.5mm}{1pt}{0.5mm 0.5mm 0.5mm 0mm}}\hfil}%
}
\end{verbatim}

\begin{center}
\begin{tabular}{| c | c | c | c}
aaa & bbb & ccc & ddd\\
\hhline{%
     !{\leaders\hrule height 1pt\hfil}%
     !{\leaders\hbox{\tiny$\star$}\hfil}%
     !{\hfil...\hfil...\hfil}%
     !{\leaders\hbox{\hdashrule{1.5mm}{1pt}{0.5mm 0.5mm 0.5mm 0mm}}\hfil}%
}
\end{tabular}
\end{center}
\end{document}
