%%
%% This is file `kvsetkeys-example.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% kvsetkeys.dtx  (with options: `example')
%% 
%% This is a generated file.
%% 
%% Project: kvsetkeys
%% Version: 2022-10-05 v1.19
%% 
%% Copyright (C)
%%    2006, 2007, 2009-2012 Heiko Oberdiek
%%    2016-2022 Oberdiek Package Support Group
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    https://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% The Current Maintainers of this work are
%% Heiko Oberdiek and the Oberdiek Package Support Group
%% https://github.com/ho-tex/kvsetkeys/issues
%% 
%% The Base Interpreter refers to any `TeX-Format',
%% because some files are installed in TDS:tex/generic//.
%% 
%% This work consists of the main source file kvsetkeys.dtx
%% and the derived files
%%    kvsetkeys.sty, kvsetkeys.pdf, kvsetkeys.ins, kvsetkeys.drv,
%%    kvsetkeys-example.tex, kvsetkeys-test1.tex,
%%    kvsetkeys-test2.tex, kvsetkeys-test3.tex,
%%    kvsetkeys-test4.tex.
%% 
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage{kvsetkeys}
\usepackage{keyval}

\makeatletter
\newcommand*{\tag}[2][]{%
  % #1: attributes
  % #2: tag name
  \begingroup
    \toks@={}%
    \let\@endslash\@empty
    \kvsetkeys{tag}{#1}%
    \texttt{%
      \textless #2\the\toks@\@endslash\textgreater
    }%
  \endgroup
}
\kv@set@family@handler{tag}{%
  % #1: key
  % #2: value
  \toks@\expandafter{%
    \the\toks@
    \space
    #1=\string"#2\string"%
  }%
}
\define@key{tag}{/}[]{%
  \def\@endslash{/}%
}
\makeatother

\begin{document}
\begin{tabbing}
  \mbox{}\qquad\=\qquad\=\kill
  \tag{html}\\
  \>\dots\\
  \>\tag[border=1]{table}\\
  \>\>\tag[width=200, span=3, /]{colgroup}\\
  \>\>\dots\\
  \>\tag{/table}\\
  \>\dots\\
  \tag{/html}\\
\end{tabbing}
\end{document}
%% \section{Installation}
\endinput
%%
%% End of file `kvsetkeys-example.tex'.
