\usepackage{xspace}

\newcommand{\Showoption}[1]{\mbox{\footnotesize \texttt{-#1}}}
\newcommand{\Showoptiongroup}[1]{\hline\multicolumn{2}{c}{#1}\\}
\newcommand{\Showoptionarg}[1]{\mbox{\footnotesize \textit{#1}}\index{#1@\textit{#1}}}
\newcommand{\Showoptionalarg}[1]{\lbrack\Showoptionarg{#1}\rbrack}
\newcommand{\Showoptionkey}[1]{\mbox{\footnotesize \texttt{#1}}}
\newcommand{\Showrecentchange}[2]{\paragraph{#1; #2:}}
\newcommand{\Option}[3]{%
                        \item[\Showoption{#1}~#2]\mbox{}%
                        \index{Option!\texttt{-#1}}%
                        \\%
#3}
\newcommand{\Showformattype}[1]{\textsc{#1}\xspace}
\newcommand{\Fasta}{\Showformattype{Fasta}}
\newcommand{\Fastastart}[0]{\texttt{\symbol{62}}\xspace}

\newenvironment{Showprogramwithoptions}[2]{
The program is called as follows:
\par
\noindent#1 [\emph{options}] \emph{indexname}
\par
#2
\par
And here is a description of the options:
\par
\begin{list}{}{}
}{\end{list}}

\newenvironment{Showprogramwithoptionswithoutindex}[2]{
The program is called as follows:
\par
\noindent#1 \emph{options}
\par
#2
\par
And here is a description of the options:
\par
\begin{list}{}{}
}{\end{list}}

\newenvironment{Justshowoptions}[0]{
\begin{list}{}{}
}{\end{list}}

\newcommand{\Helpoption}[0]{
\Option{help}{}{
Show a summary of all options and terminate with \index{exit code} exit code 0.
}
}

\parskip5pt
\parindent0pt
