% attletter.sty

\typeout{Document Style `attletter' <89 Mar 29>.}
%
% modeled after letter.sty 20-Jan-88 with the following changes (by tla)
%
%	89-Jan-17	add \labelheight for height of mailing labels
%			  default is 1in rather than 2in
%	89-Jan-17	add \makehead to print at&t letterhead
%	89-Jan-17	\ragged bottom has been added to \letter
%	89-Jan-17	\opening has been modified to incorporate the
%			  makehead stuff
%	89-Jan-17	the textwidth and margins have been changed
%	89-Jan-17	the default page style has been changed to headings
%	89-Feb-08	added eaddress
%	89-Mar-29	added facesignature
%
% additions:
%
\newdimen\labelheight\labelheight=1in
%
% original (with some changes):
%
\def\@ptsize{0} \@namedef{ds@11pt}{\def\@ptsize{1}}
\@namedef{ds@12pt}{\def\@ptsize{2}} 
\@twosidefalse
\def\ds@draft{\overfullrule 5pt} 
\@options

\lineskip 1pt \normallineskip 1pt
\def\baselinestretch{1}

\ifcase \@ptsize\relax 
\def\@normalsize{\@setsize\normalsize{12pt}\xpt\@xpt 
\abovedisplayskip 10pt plus2pt minus5pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6pt plus3pt
minus3pt\let\@listi\@listI} 
\def\small{\@setsize\small{11pt}\ixpt\@ixpt
\abovedisplayskip 8.5pt plus 3pt minus 4pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus2pt\belowdisplayshortskip 4pt plus2pt minus
2pt\def\@listi{\leftmargin\leftmargini \topsep 4pt plus 2pt minus 2pt\parsep
2pt plus 1pt minus 1pt
\itemsep \parsep}}
\def\footnotesize{\@setsize\footnotesize{9.5pt}\viiipt\@viiipt
\abovedisplayskip 6pt plus 2pt minus 4pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus 1pt\belowdisplayshortskip 3pt plus 1pt minus
2pt\def\@listi{\leftmargin\leftmargini \topsep 3pt plus 1pt minus 1pt\parsep
2pt plus 1pt minus 1pt
\itemsep \parsep}}
\def\scriptsize{\@setsize\scriptsize{8pt}\viipt\@viipt}
\def\tiny{\@setsize\tiny{6pt}\vpt\@vpt}
\def\large{\@setsize\large{14pt}\xiipt\@xiipt}
\def\Large{\@setsize\Large{18pt}\xivpt\@xivpt}
\def\LARGE{\@setsize\LARGE{22pt}\xviipt\@xviipt}
\def\huge{\@setsize\huge{25pt}\xxpt\@xxpt}
\def\Huge{\@setsize\Huge{30pt}\xxvpt\@xxvpt}
\or 
\def\@normalsize{\@setsize\normalsize{13.6pt}\xipt\@xipt
\abovedisplayskip 11pt plus3pt minus6pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6.5pt plus3.5pt
minus3pt\let\@listi\@listI} 
\def\small{\@setsize\small{12pt}\xpt\@xpt
\abovedisplayskip 10pt plus2pt minus5pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6pt plus3pt
minus3pt\def\@listi{\leftmargin\leftmargini \topsep 6pt plus 2pt minus
2pt\parsep 3pt plus 2pt minus 1pt
\itemsep \parsep}}
\def\footnotesize{\@setsize\footnotesize{11pt}\ixpt\@ixpt
\abovedisplayskip 8pt plus 2pt minus 4pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus 1pt\belowdisplayshortskip 4pt plus 2pt minus
2pt\def\@listi{\leftmargin\leftmargini \topsep 4pt plus 2pt minus 2pt\parsep
2pt plus 1pt minus 1pt
\itemsep \parsep}}
\def\scriptsize{\@setsize\scriptsize{9.5pt}\viiipt\@viiipt}
\def\tiny{\@setsize\tiny{7pt}\vipt\@vipt}
\def\large{\@setsize\large{14pt}\xiipt\@xiipt}
\def\Large{\@setsize\Large{18pt}\xivpt\@xivpt}
\def\LARGE{\@setsize\LARGE{22pt}\xviipt\@xviipt}
\def\huge{\@setsize\huge{25pt}\xxpt\@xxpt}
\def\Huge{\@setsize\Huge{30pt}\xxvpt\@xxvpt}
\or 
\def\@normalsize{\@setsize\normalsize{15pt}\xiipt\@xiipt
\abovedisplayskip 12pt plus3pt minus7pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6.5pt plus3.5pt
minus3pt\let\@listi\@listI} 
\def\small{\@setsize\small{13.6pt}\xipt\@xipt
\abovedisplayskip 11pt plus3pt minus6pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6.5pt plus3.5pt
minus3pt\def\@listi{\leftmargin\leftmargini \parsep 4.5pt plus 2pt minus 1pt
 \itemsep \parsep
 \topsep 9pt plus 3pt minus 5pt}}
\def\footnotesize{\@setsize\footnotesize{12pt}\xpt\@xpt
\abovedisplayskip 10pt plus2pt minus5pt\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3pt\belowdisplayshortskip 6pt plus3pt
minus3pt\def\@listi{\leftmargin\leftmargini \topsep 6pt plus 2pt minus
2pt\parsep 3pt plus 2pt minus 1pt
\itemsep \parsep}}
\def\scriptsize{\@setsize\scriptsize{9.5pt}\viiipt\@viiipt}
\def\tiny{\@setsize\tiny{7pt}\vipt\@vipt}
\def\large{\@setsize\large{18pt}\xivpt\@xivpt}
\def\Large{\@setsize\Large{22pt}\xviipt\@xviipt}
\def\LARGE{\@setsize\LARGE{25pt}\xxpt\@xxpt}
\def\huge{\@setsize\huge{30pt}\xxvpt\@xxvpt}
\let\Huge=\huge
\fi
\normalsize 

\oddsidemargin 63pt \evensidemargin 63pt \marginparwidth 90pt \marginparsep
11pt \marginparpush 5pt 
\topmargin 27pt \headheight 12pt \headsep 45pt \footheight 12pt \footskip
25pt 
\textheight 8.7in \textwidth 6in \columnsep 10pt \columnseprule 0pt 
\raggedbottom 
\footnotesep 12pt \skip\footins 10pt plus 2pt minus 4pt 
\floatsep 12pt plus 2pt minus 2pt
\textfloatsep 20pt plus 2pt minus 4pt
\intextsep 12pt plus 2pt minus 2pt
\dblfloatsep 12pt plus 2pt minus 2pt
\dbltextfloatsep 20pt plus 2pt minus 4pt
\@maxsep 20pt
\@dblmaxsep 20pt
\@fptop 0pt plus 1fil
\@fpsep 8pt plus 2fil
\@fpbot 0pt plus 1fil
\@dblfptop 0pt plus 1fil
\@dblfpsep 8pt plus 2fil
\@dblfpbot 0pt plus 1fil



\newdimen\longindentation
\longindentation=.5\textwidth
\newdimen\indentedwidth
\indentedwidth=\textwidth
\advance\indentedwidth -\longindentation

\def\opening#1{\ifx\@empty\fromaddress%
 \thispagestyle{firstpage}%
 {\makehead\vtop{\hsize2.5in\noindent{\sf\tm@companyname}}\hfill%
  \raggedleft\@date\par}%
 \else \thispagestyle{empty}%
 \makehead\hbox{\vtop{\hsize2.5in\noindent{\sf\tm@companyname}}
   \vtop{\hsize3.5in\vspace*{-16pt}%
 {\small\raggedleft\begin{tabular}{l}\ignorespaces\fromaddress \\*[2\parskip]
 {\normalsize\@date} \end{tabular}\par}}}
 \fi

 \vspace{2\parskip}
 {\raggedright \toname \\ \toaddress \par}\vspace{2\parskip}
 #1\par\nobreak}
\long\def\closing#1{\par\nobreak\vspace{\parskip} 
 \stopbreaks
 \noindent
 \ifx\@empty\fromaddress\else
 \hspace*{\longindentation}\fi
 \parbox{\indentedwidth}{\raggedright
 \ignorespaces #1\\[6\medskipamount] \ifx\@empty\fromsig 
 \fromname
 \else \fromsig \fi\strut}
 \par}

\def\ps{\par\startbreaks}
\def\cc#1{\par\noindent
\parbox[t]{\textwidth}{\@hangfrom{\rm cc: }\ignorespaces #1\strut}\par}
\def\encl#1{\par\noindent
\parbox[t]{\textwidth}{\@hangfrom{\rm encl: }\ignorespaces #1\strut}\par}
\def\stopletter{}

\def\returnaddress{}
\newcount\labelcount

\def\startlabels{\labelcount=0 \baselineskip=0pt \lineskip=0pt
\pagestyle{empty}
\let\@texttop=\relax
\topmargin -50pt
\headsep 0pt
\oddsidemargin -35pt
\evensidemargin -35pt
\textheight 10in
\@colht\textheight \@colroom\textheight \vsize\textheight
\textwidth 550pt
\columnsep 25pt
\xpt
\baselineskip=0pt
\lineskip=0pt
\boxmaxdepth=0pt
\parindent=0pt \twocolumn\relax}
\def\mlabel#1#2{\setbox0\vbox{\parbox[b]{3.6in}{\strut\ignorespaces #2}}
 \vbox to \labelheight{\vss \box0 \vss}}



\long\def\letter#1{\raggedbottom%\newpage
 \c@page\@ne
 \interlinepenalty=200 \@processto{#1}}
\def\endletter{\stopletter\@@par\pagebreak\@@par
 \if@filesw 
 \begingroup 
 \def\protect{\string}
 \let\\=\relax
 \def\protect##1{\string##1\space}
 \immediate\write\@auxout{\string\mlabel{\returnaddress}{\toname
 \\\toaddress}}
 \endgroup 
 \fi}
\long\def\@processto#1{\@xproc #1\\@@@\ifx\toaddress\@empty 
 \else \@yproc #1@@@\fi}
\long\def\@xproc #1\\#2@@@{\def\toname{#1}\def\toaddress{#2}}
\long\def\@yproc #1\\#2@@@{\def\toaddress{#2}}
\def\stopbreaks{\interlinepenalty \@M
 \def\par{\@@par\nobreak}\let\\=\@nobreakcr
 \let\vspace\@nobreakvspace}
\def\@nobreakvspace{\@ifstar{\@nobreakvspacex}{\@nobreakvspacex}}
\def\@nobreakvspacex#1{\ifvmode\nobreak\vskip #1\relax\else
 \@bsphack\vadjust{\nobreak\vskip #1}\@esphack\fi}
\def\@nobreakcr{\vadjust{\penalty\@M}\@ifstar{\@xnewline}{\@xnewline}}
\def\startbreaks{\let\\=\@normalcr
 \interlinepenalty 200\def\par{\@@par\penalty 200}}
\def\name#1{\def\fromname{#1}}
\def\signature#1{\def\fromsig{#1}}
\def\facesignature#1#2{\def\fromsig{%
 {\parindent=0pt\vskip6pt%
     \xdef\tm@facefile{#2}%
     \vskip-51pt\hskip-3in
     \parbox[b]{3in}{\vbox{}\hskip2in\input \tm@facefile
        \hfill}%
     \parbox[b]{3in}{#1}}}}%
\def\fromsig{}
\long\def\address#1{\def\fromaddress{#1}}
\def\fromaddress{}
\def\location#1{\def\fromlocation{#1}}
\def\fromlocation{}
\def\telephone#1{\def\telephonenum{#1}}
\def\telephonenum{}
\def\document{\endgroup
 \@colht\textheight \@colroom\textheight \vsize\textheight
 \columnwidth\textwidth \@clubpenalty\clubpenalty
 \if@twocolumn \advance\columnwidth -\columnsep 
 \divide\columnwidth\tw@ \hsize\columnwidth \@firstcolumntrue 
 \fi
 \hsize\columnwidth \linewidth\hsize
 \begingroup\@floatplacement\@dblfloatplacement\endgroup
 \if@filesw \immediate\openout\@mainaux=\jobname.aux
 \immediate\write\@mainaux{\string\startlabels\string\@startlabels}\fi
 \def\do##1{\let ##1\@notprerr}
 \@preamblecmds
 \let\do\noexpand 
 \@normalsize\everypar{}}
\def\enddocument{\@checkend{document}\newpage\begingroup 
\if@filesw \immediate\closeout\@mainaux 
\makeatletter\input \jobname.aux\clearpage
\fi\endgroup\deadcycles\z@\@@end}

\def\makelabels{\@fileswtrue}
\def\@startlabels{}



\def\@texttop{\ifnum\c@page=1\vskip 0pt plus .00006fil\relax\fi}
\def\ps@headings{\def\@oddhead{\sl To \ignorespaces\toname \hfil \@date
 \hfil Page \thepage}\def\@oddfoot{}}
\def\ps@empty{\def\@oddhead{}\def\@oddfoot{}\def\@evenhead{}\def\@evenfoot{}}

\def\ps@firstpage{\def\@oddhead{}\def\@oddfoot{\raisebox
 {-45pt}[0pt]{\hbox to \textwidth
 {\hspace*{100pt}\xpt\fromlocation \hfill
\telephonenum}}\hss}\def\@evenhead{}\def\@evenfoot{}}
\def\ps@plain{\def\@oddhead{}\def\@oddfoot{\rm\hfil\thepage
 \hfil}\def\@evenhead{}\let\@evenfoot\@oddfoot}

\parskip .7em \parindent 0pt \topsep .4em \partopsep 0pt \itemsep .4em 
\@lowpenalty 51 \@medpenalty 151 \@highpenalty 301 
\@beginparpenalty -\@lowpenalty \@endparpenalty -\@lowpenalty \@itempenalty
-\@lowpenalty 



\leftmargini 2.5em
\leftmarginii 2.2em \leftmarginiii 1.87em \leftmarginiv 1.7em \leftmarginv 1em
\leftmarginvi 1em
\leftmargin\leftmargini
\labelwidth\leftmargini\advance\labelwidth-\labelsep
\labelsep 5pt
\parsep 0pt
\let\@listi\relax
\def\@listii{\leftmargin\leftmarginii
 \labelwidth\leftmarginii\advance\labelwidth-\labelsep}
\def\@listiii{\leftmargin\leftmarginiii
 \labelwidth\leftmarginiii\advance\labelwidth-\labelsep
 \topsep .2em 
 \itemsep \topsep}
\def\@listiv{\leftmargin\leftmarginiv
 \labelwidth\leftmarginiv\advance\labelwidth-\labelsep}
\def\@listv{\leftmargin\leftmarginv
 \labelwidth\leftmarginv\advance\labelwidth-\labelsep}
\def\@listvi{\leftmargin\leftmarginvi
 \labelwidth\leftmarginvi\advance\labelwidth-\labelsep}

\def\labelenumi{\arabic{enumi}.} 
\def\theenumi{\arabic{enumi}} 
\def\labelenumii{(\alph{enumii})}
\def\theenumii{\alph{enumii}}
\def\p@enumii{\theenumi}
\def\labelenumiii{\roman{enumiii}.}
\def\theenumiii{\roman{enumiii}}
\def\p@enumiii{\theenumi(\theenumii)}
\def\labelenumiv{\Alph{enumiv}.}
\def\theenumiv{\Alph{enumiv}} 
\def\p@enumiv{\p@enumiii\theenumiii}

\def\labelitemi{$\bullet$}
\def\labelitemii{\bf --}
\def\labelitemiii{$\ast$}
\def\labelitemiv{$\cdot$}
\def\verse{\let\\=\@centercr 
 \list{}{\itemsep\z@ \itemindent -15pt\listparindent \itemindent 
 \rightmargin\leftmargin\advance\leftmargin 15pt}\item[]}
\let\endverse\endlist
\def\quotation{\list{}{\listparindent 1.5em
 \itemindent\listparindent
 \rightmargin\leftmargin}\item[]}
\let\endquotation=\endlist
\def\quote{\list{}{\rightmargin\leftmargin}\item[]}
\let\endquote=\endlist

\def\descriptionlabel#1{\hspace\labelsep \bf #1}
\def\description{\list{}{\labelwidth\z@ \itemindent-\leftmargin
 \let\makelabel\descriptionlabel}}
\let\enddescription\endlist



\def\theequation{\arabic{equation}}

\arraycolsep 5pt \tabcolsep 6pt \arrayrulewidth .4pt \doublerulesep 2pt 
\tabbingsep \labelsep 
\skip\@mpfootins = \skip\footins
\fboxsep = 3pt \fboxrule = .4pt 

\def\footnoterule{\kern-1\p@ 
 \hrule width .4\columnwidth 
 \kern .6\p@} 

\long\def\@makefntext#1{\noindent \hangindent 5pt\hbox 
 to 5pt{\hss $^{\@thefnmark}$}#1}


\c@topnumber=2
\def\topfraction{.7}
\c@bottomnumber=1
\def\bottomfraction{.3}
\c@totalnumber=3
\def\textfraction{.2}
\def\floatpagefraction{.5}
\c@dbltopnumber= 2
\def\dbltopfraction{.7}
\def\dblfloatpagefraction{.5}

\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}


\smallskipamount=.5\parskip \medskipamount=\parskip
\bigskipamount=2\parskip
\ps@plain \pagenumbering{arabic} \onecolumn \@fileswfalse 

%
% enter LaTeX extensions
%
\input local.sty
\input tmaddon.sty
%
\def\eaddress#1{\def\tm@eaddress{#1}}\def\tm@eaddress{}
\def\phone#1{\def\tm@phone{#1}}
\def\room#1{\def\tm@room{#1}}
\room{\relax}
\def\cityaddr#1{\def\tm@cityaddr{#1}}
\def\companyname#1{\def\tm@companyname{#1}}
\def\capcompanyname#1{\def\tm@capcompanyname{#1}}
\def\tm@companyname{AT\&T Bell Laboratories}
\def\tm@capcompanyname{AT\&T BELL LABORATORIES}
\pagestyle{headings}
%
\def\makehead{
   % now make the header
   \newpage{\parskip=0pt\ \vskip-70pt%
   \font\attlogofont=att36
     \hfill\parbox{36pt}{\attlogofont L}
     \parbox{86pt}{{\attlogofont AT\&T}}
   \vskip16pt
   \hrule
   \vskip6pt
   }}

%
% edit these for the location where this file is installed
%
\phone{201 580-4000} % information number for the location
	% this number may be replaced with a personal number by calling
	% \phone in the preamble of the document
\address{\if\relax\tm@room\relax\else\tm@room\\ \fi
184 Liberty Corner Road\\P.\ O.\ Box 4908\\Warren, NJ\quad
07060-0908\\ \tm@phone\ifx\@empty\tm@eaddress{}\else\\ \tm@eaddress\fi}
%