%%
%% 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.
%% 
%% Copyright (C) 2006 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
%% 
%% 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 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% 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.
%% 
\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}
\endinput
%%
%% End of file `kvsetkeys-example.tex'.