essential
\begin{equation}
\end{equation}
$ $
{\tt }
{\it }
{\bf }
\paragraph{Attributes:}
\begin{description}
\item[
]
See \ref{
}.
\label{
}
\begin{description}
\item[type]
select:
\begin{itemize}
\item
\end{itemize}
\item[use]
\item[default-value]
\end{description}
\item[attribute group
] See \ref{
}
\end{description}
\section{
\subsection{
\subsubsection{
\paragraph{
\subparagraph{
attribute group}
element}
See \ref{
}
\label{
}
\documentclass{article}
\usepackage{amsmath}
\bibliographystyle {plain}
\errorstopmode
\usepackage{hyperref}
\hypersetup{colorlinks=false}
\begin{document}
\newcommand{\exciting}{EXC!T!`NG }
\title{}
\author{exciting devteam}
\maketitle \newpage \tableofcontents
\newcommand{\vect}[1]{\mathbf{ #1}}
\newcommand{\op}[1]{\mathbf {#1}}
\newcommand{\bra}[1]{\ensuremath{\left\langle #1\right|}}
\newcommand{\ket}[1]{\ensuremath{\left|#1\right\rangle}}
\newcommand{\braket}[2]{\ensuremath{\left\langle #1\vphantom{#2}\right.\left|\vphantom{#1}#2\right\rangle}}
\newcommand{\scalapack}{SCALAPACK }
\newcommand{\blas}[0]{BLAS }
\newcommand{\lapack}{LAPACK }
\newcommand{\arpack}{ARPACK }
\newpage
\section{Root element
}
\label{input}
\section{reused Elements}
These elements make sense in more than only one context. In this documentation there are references placed if one of these applies.
\section{reused attributes}
These attributes make sense in more than only one context. In this documentation there are references placed if one of these applies.
\end{document}