% This macro file is for business letters

\def\today{\ifcase\month\or
  January\or February\or March\or April\or May\or June\or
  July\or August\or September\or October\or November\or December\fi
  \space\number\day, \number\year}

\raggedbottom
\interlinepenalty=1000
\hsize=6.25truein
\voffset=24pt
\advance\vsize by-\voffset
\parindent=0pt
\parskip=0pt
\nopagenumbers
\headline={\ifnum\pageno>1
  \tenrm To \addressee\hfil\today\hfil Page \folio
  \else\hfil\fi}

\def\beginlinemode{\endmode
  \begingroup\obeylines\def\endmode{\par\endgroup}}
\def\beginparmode{\endmode
  \begingroup\parskip=\medskipamount \def\endmode{\par\endgroup}}
\let\endmode=\par
\def\endletter{\endmode\vfill\supereject}

\newdimen\longindentation \longindentation=4truein
\newbox\theaddress
\def\address{\beginlinemode\getaddress}
{\obeylines\gdef\getaddress #1
  #2
  {#1\gdef\addressee{#2}%
    \global\setbox\theaddress=\vbox\bgroup\raggedright%
    \hsize=\longindentation \everypar{\hangindent2em}#2
    \def\endmode{\egroup\endgroup \copy\theaddress \bigskip}}}

\def\body{\beginparmode}
\def\closing{\beginlinemode\getclosing}
{\obeylines\gdef\getclosing #1
  #2
  {#1\nobreak\bigskip \leftskip=\longindentation #2
    \nobreak\bigskip\bigskip\bigskip % space for signature
    \def
    {\endgraf\nobreak}}}
\def\annotations{\beginlinemode\def\par{\endgraf\nobreak}\obeylines\par}
\def\ps{\beginparmode\nobreak
  \interlinepenalty5000\def\par{\endgraf\penalty5000 }}

\def\up#1{\leavevmode \raise.16ex\hbox{#1}}
\font\smallheadfont=cmr8 at 8truept
\font\largeheadfont=cmdunh10 at 14.4truept
\font\logofont=manfnt at 14.4truept

\def\rjdletterhead{
  \def\sendingaddress{R. J. DROFNATS, F.T.U.G.\par
    PROFESSOR OF FARM ECOLOGY\par
    TEX.RJD @ SU-SCORE.ARPA\par
    \up[415\up]\thinspace 497-4975\par}
  \def\returnaddress{R. J. Drofnats, Dept.~of Farm Ecology\par
    The University of St.~Anford\par
    P. O. Box 1009, Haga Alto, CA 94321 USA}
  \letterhead}

\def\letterhead{\pageno=1 \def\addressee{} \univletterhead
  {\leftskip=\longindentation
    {\baselineskip9truept\smallheadfont\sendingaddress}
    \bigskip\bigskip\rm\today\bigskip}}

\def\univletterhead{\vglue-\voffset
  \hbox{\hbox to\longindentation{\raise4truemm\hbox{\logofont
        \kern2truept X\kern-1.667truept
        \lower2truept\hbox{X}\kern-1.667truept X}\hfil
      \largeheadfont The University of St.~Anford\hfil}%
    \kern-\longindentation
    \vbox{\smallheadfont\baselineskip9truept
      \leftskip=\longindentation BOX 1009\par HAGA ALTO, CA 94321}}
  \vskip2truept\hrule\vskip4truept }

\def\makelabel{\endletter\hbox{\vrule
    \vbox{\hrule \kern6truept
      \hbox{\kern6truept\vbox to 2truein{\hsize=\longindentation
          \smallheadfont\baselineskip9truept\returnaddress
          \vfill\moveright 2truein\copy\theaddress\vfill}%
        \kern6truept}\kern6truept\hrule}\vrule}
  \pageno=0\vfill\eject}
