% invitation.sty
% Package to format invitation.xml
\setlength{\parskip}{1ex}
\setlength{\parindent}{0pt}
\pagestyle{empty}%% Turn off page numbering
\RequirePackage{array}
\newenvironment{Front}%
 {\begin{center}\huge \sffamily Memorandum\end{center}
  \begin{flushleft}
  \begin{tabular}{@{}>{\bfseries}p{.2\linewidth}@{}p{.8\linewidth}@{}}\hline
 }
 {To whom:  & \@To     \\
  Occasion: & \@Why    \\
  Venue:    & \@Where  \\
  When:     & \@Date   \\\hline
  \end{tabular}
  \end{flushleft}
 }
\newenvironment{Body}{\vspace*{\parskip}}{\vspace*{\parskip}}
\newenvironment{Back}
 {\begin{flushleft}}
 {\hspace*{.5\linewidth}\fbox{\emph{\@Sig}}
  \end{flushleft}
 }
\newcommand{\To}[1]{\gdef\@To{#1}}
\newcommand{\Date}[1]{\gdef\@Date{#1}}
\newcommand{\Where}[1]{\gdef\@Where{#1}}
\newcommand{\Why}[1]{\gdef\@Why{#1}}
\newcommand{\Signature}[1]{\gdef\@Sig{#1}}
\endinput