%		*****	LTUGBOT.STY	*****			 6 Feb 88
%						last revised	 1 Mar 89
%
%	Hacks to pieces of article.sty to support a rudimentary
%	pseudo-TUGboat format.
%
%	Incorporates ideas and elements from these TUGboat authors:
%		Adrian Clark


%  need some more fonts that aren't activated in lfonts
\font\sevbf=cmbx7

%  redo definition of 8pt from latex (lfonts), to install amcsc8 instead
%  of de-magnified amcsc10
%\catcode`\@=11
\def\viiipt{\textfont\z@\egtrm 
  \scriptfont\z@\sixrm \scriptscriptfont\z@\fivrm
\textfont\@ne\egtmi \scriptfont\@ne\sixmi \scriptscriptfont\@ne\fivmi
\textfont\tw@\egtsy \scriptfont\tw@\sixsy \scriptscriptfont\tw@\fivsy
\textfont\thr@@\tenex \scriptfont\thr@@\tenex \scriptscriptfont\thr@@\tenex
\def\prm{\fam\z@\egtrm}%
\def\unboldmath{\everymath{}\everydisplay{}\@nomath
\unboldmath\@boldfalse}\@boldfalse
\def\boldmath{\@subfont\boldmath\unboldmath}%
\def\pit{\fam\itfam\egtit}\textfont\itfam\egtit 
   \scriptfont\itfam\sevit \scriptscriptfont\itfam\sevit 
\def\psl{\@getfont\psl\slfam\@viiipt{cmsl8}}%
\def\pbf{\@getfont\pbf\bffam\@viiipt{cmbx8}}%
\def\ptt{\@getfont\ptt\ttfam\@viiipt{cmtt8}}%
\def\psf{\@getfont\psf\sffam\@viiipt{\@mss\@ptscale8}}%
\def\psc{\@getfont\psc\scfam\@viiipt{amcsc8}}%
\def\ly{\fam\lyfam\egtly}\textfont\lyfam\egtly 
    \scriptfont\lyfam\sixly \scriptscriptfont\lyfam\fivly 
\@setstrut \rm}

%  redo definition of 10pt, to install \sevenbf as \*scriptfont for \bffam
\def\xpt{\textfont\z@\tenrm 
  \scriptfont\z@\sevrm \scriptscriptfont\z@\fivrm
\textfont\@ne\tenmi \scriptfont\@ne\sevmi \scriptscriptfont\@ne\fivmi
\textfont\tw@\tensy \scriptfont\tw@\sevsy \scriptscriptfont\tw@\fivsy
\textfont\thr@@\tenex \scriptfont\thr@@\tenex \scriptscriptfont\thr@@\tenex
\def\unboldmath{\everymath{}\everydisplay{}\@nomath\unboldmath
          \textfont\@ne\tenmi 
          \textfont\tw@\tensy \textfont\lyfam\tenly
          \@boldfalse}\@boldfalse
\def\boldmath{\@ifundefined{tenmib}{\global\font\tenmib\@mbi 
   \global\font\tensyb\@mbsy 
   \global\font\tenlyb\@lasyb\relax\@addfontinfo\@xpt
   {\def\boldmath{\everymath{\mit}\everydisplay{\mit}\@prtct\@nomathbold
        \textfont\@ne\tenmib \textfont\tw@\tensyb 
        \textfont\lyfam\tenlyb \@prtct\@boldtrue}}}{}\@xpt\boldmath}%
\def\prm{\fam\z@\tenrm}%
\def\pit{\fam\itfam\tenit}\textfont\itfam\tenit \scriptfont\itfam\sevit
    \scriptscriptfont\itfam\sevit
\def\psl{\fam\slfam\tensl}\textfont\slfam\tensl 
     \scriptfont\slfam\tensl \scriptscriptfont\slfam\tensl
\def\pbf{\fam\bffam\tenbf}\textfont\bffam\tenbf 
    \scriptfont\bffam\sevbf \scriptscriptfont\bffam\sevbf 
\def\ptt{\fam\ttfam\tentt}\textfont\ttfam\tentt
    \scriptfont\ttfam\tentt \scriptscriptfont\ttfam\tentt
\def\psf{\fam\sffam\tensf}\textfont\sffam\tensf
    \scriptfont\sffam\tensf \scriptscriptfont\sffam\tensf
\def\psc{\@getfont\psc\scfam\@xpt{\@mcsc}}%
\def\ly{\fam\lyfam\tenly}\textfont\lyfam\tenly 
   \scriptfont\lyfam\sevly \scriptscriptfont\lyfam\fivly 
\@setstrut \rm}

%\catcode`\@=12


%  normal TUGboat dimensions

\@twosidetrue		% for odd/even asymmetry in running heads
\twocolumn		% two columns
\sloppy			% make those columns justify
%\flushbottom		% but ensure they line up
\columnsep 1.5pc	% space between columns
\columnwidth 18.75pc	% width of each column
\parindent 20pt		% paragraph indent
\parskip 0pt		% no inter-paragraph space
\leftmargini 2em	% unchanged
\leftmarginv .5em	% unchanged
\leftmarginvi .5em	% unchanged
\oddsidemargin 0pt	% was 42pt
\evensidemargin 0pt	% was 84pt
\topmargin -2.5pc	% was 0pt
\headheight 12pt	% height of running head, unchanged
\headsep 20pt		% distance between header and text
\marginparwidth 48pt	% don't use marginal notes
\marginparsep 10pt	%  in TUGboat
\textheight 54pc	% height of text on page
\textwidth 39pc		% total width of a page
%\nofiles

\itemsep=2pt plus 2pt minus 1pt

\def\@normalsize{\@setsize\normalsize{12pt}\xpt\@xpt
\abovedisplayskip=3pt plus 3pt minus 1pt \belowdisplayskip=\abovedisplayskip
\abovedisplayshortskip=\z@ plus3pt \belowdisplayshortskip=1pt plus3pt minus1pt}

\def\small{\@setsize\small{11pt}\ixpt\@ixpt
\abovedisplayskip=2.5pt plus2.5pt minus1pt\belowdisplayskip=\abovedisplayskip
\abovedisplayshortskip=\z@ plus2pt \belowdisplayshortskip=1pt plus2pt minus1pt}

\def\footnotesize{\@setsize\footnotesize{12pt}\xpt\@xpt
\abovedisplayskip=3pt plus 3pt minus 1pt \belowdisplayskip=\abovedisplayskip
\abovedisplayshortskip=\z@ plus3pt \belowdisplayshortskip=1pt plus3pt minus1pt}

\def\@listi{\parsep=1pt plus 1pt minus 1pt
\itemsep=\parsep}
\def\@listii{\leftmargin\leftmarginii
 \labelwidth=\leftmarginii \advance\labelwidth-\labelsep
 \topsep=2pt plus 1pt minus 1pt
 \parsep=1pt plus 1pt minus 1pt
 \itemsep=\parsep}
\def\@listiii{\leftmargin=\leftmarginiii
 \labelwidth=\leftmarginiii \advance\labelwidth-\labelsep
 \topsep=1pt plus 1pt minus 1pt
 \parsep=\z@
 \itemsep=\topsep}
\partopsep=\z@ \topsep=3pt plus1pt minus1pt
\parsep=3pt plus 1pt minus 1pt \itemsep=\parsep

%  not ordinarily in LaTeX, but usually wanted in TUGboat

\clubpenalty=10000
\widowpenalty=10000


%  modify some style elements

%	Section titles

\newif\ifSecTitle	 \SecTitlefalse

\newskip\Tabskss
\Tabskss=0pt plus 1000pt minus 1000pt
\newskip\AboveTitleSkip  \AboveTitleSkip=12pt   % 10pt plus 2pt minus 2pt
\newskip\BelowTitleSkip  \BelowTitleSkip=8pt    % plus 1pt minus 1pt

\font \sixteenssb=cmssbx10 scaled \magstep3
\let\titlefont=\sixteenssb
\newbox\T@stBox
\setbox\T@stBox=\hbox{\titlefont O}
\newdimen\stfontheight          \stfontheight=\ht\T@stBox
\newdimen\strulethickness       \strulethickness=.6pt
\newcount\n@stnum               \n@stnum=0
\def \sthrule{\hrule height\strulethickness depth 0pt }
\def \stvrule{\vrule height 2\stfontheight depth\stfontheight
                        width\strulethickness }
\def \sectitlebox #1<{\vbox{\sthrule
        \hbox to \hsize{\stvrule\hfil #1\hfil\vrule width\strulethickness }%
        \sthrule }}

\def \secsep{\vskip 5\baselineskip}

\def \sectitle#1{\SecTitletrue \def\s@ctitle{#1}}

\def \@sectitle#1{\par\penalty-1000\secsep
        \n@stnum=0
        {\def\\{ }\setbox\T@stBox=\hbox{\titlefont#1}%
        \ifdim\wd\T@stBox < \hsize \def\result{\unhbox\T@stBox}%
        \else \def\\{\cr\noalign{\global\advance\n@stnum by 1 }}%
                \setbox\T@stBox=\vbox{\titlefont
                        \halign{\hfil##\hfil\cr#1\crcr}}%
                \def\result{\vbox{\unvbox\T@stBox}}\fi
        \ifnum\n@stnum=1 \def\stvrule{\vrule height 3.5\stfontheight
                        depth\stfontheight width\strulethickness }\fi
        \centerline{\sectitlebox \titlefont\result<}}%
        \nobreak \vskip\baselineskip }

\newskip\AboveTitleSkip  \AboveTitleSkip=12pt
\newskip\BelowTitleSkip  \BelowTitleSkip=8pt
\newdimen\PreTitleDrop	 \PreTitleDrop=0pt

\def\maketitle{\par
 \ifdim\PreTitleDrop > 0pt
   \loop
   \ifdim \PreTitleDrop > \textheight
     \vbox{}\vfil\eject
     \advance\PreTitleDrop by -\textheight
   \repeat
   \vbox to \PreTitleDrop{}
   \PreTitleDrop=0pt
 \fi
 \begingroup
 \def\thefootnote{\fnsymbol{footnote}}
 \def\@makefnmark{\hbox to 0pt{$^{\@thefnmark}$\hss}} 
 \@maketitle
 \@thanks
 \endgroup
 \setcounter{footnote}{0}
 \let\maketitle\relax
 \let\@maketitle\relax
 \gdef\@thanks{}\gdef\@author{}\gdef\@title{}\let\thanks\relax}

% modified \@maketitle to prevent 2 occurrences of \@thanks in footnote
% rw 12 Feb 89
%\def\@maketitle{\ifSecTitle \SecTitlefalse
%        \else \vskip\AboveTitleSkip \fi
%	{\hyphenpenalty=10000 \interlinepenalty=10000
%	\setbox0=\hbox{\ignorespaces\@author}%

% rule added above title to conform to updated (89) style
% bb 18 Feb 89
\newdimen\strulethickness       \strulethickness=.6pt
\def\emptythanks#1{}
\def\@maketitle{\ifSecTitle \SecTitlefalse
		\@sectitle{\s@ctitle}%
        \else \vskip\AboveTitleSkip
		\kern\topskip
		\hrule height\z@ depth\z@ width 10pt
		\kern-\topskip
		\kern-\strulethickness
		\hrule height\strulethickness depth\z@
		\kern\medskipamount
	\fi
	{\hyphenpenalty=10000 \interlinepenalty=10000
	\setbox0=\hbox{\let\thanks\emptythanks\ignorespaces\@author}%
	{\noindent\bf\ignorespaces\@title\endgraf}%
	\ifdim \wd0 < 5pt		% omit if author is null
	\else \nobreak \vskip 4pt       % 4pt + \BelowTitleSkip = \baselineskip
		{\leftskip=\parindent \noindent\@author\endgraf}%
	\fi \nobreak \vskip\BelowTitleSkip }}

\def\fnum@figure{{\bf Figure \thefigure}}

\def\quote{\list{}{\rightmargin.5\leftmargin}\item[]}

%	From Dominik Wujastyk's font article.  First paragraph of a quotation
%	will not be indented, and right margin is decreased for narrow columns.
\renewcommand{\quotation}{\list{}{\listparindent 1.5em
	\rightmargin.5\leftmargin\parsep 0pt plus 1pt}\item[]}

%  make it possible to use the standard issue/date job file

\newcount\issueseqno
\def \v@lx{\gdef\volx{Volume~\volno~(\volyr), No.~\issno}}
\def \volyr{}
\def \volno{}
\def \vol #1,#2.{\gdef\volno{#1\unskip}%
        \gdef\issno{\ignorespaces#2\unskip}%
        \setbox0=\hbox{\volyr}%
        \ifdim \wd0 > .2em \v@lx \fi }

\def \issdate #1#2 #3.{\gdef\issdt{#1#2 #3}\gdef\volyr{#3}%
        \gdef\bigissdt{#1{\smc\uppercase{#2}} #3}%
        \setbox0=\hbox{\volno}%
        \ifdim \wd0 > .2em \v@lx \fi }

\input tugbot.dates


%  Fix up the running heads and footers.
%  Only one style supported; suppress LaTeX's separate definitions.

\def \TUB{TUGboat}
\def \rtitlex{\TUB, \volx }

\def\@oddhead{\hbox{}\rm\rtitlex \hfil \thepage}
\def\@evenhead{\rm \thepage\hfil \rtitlex}
\def\@oddfoot{}
\def\@evenfoot{}

\def\ps@headings{}

\pagestyle{headings}


%  Miscellaneous defs from plain tugbot.sty.

\font\manual=nwmanfnt % to avoid problems while old manfnt is preloaded
\def \MF{{\manual META}\-{\manual FONT}}

\def \careof{\leavevmode\hbox{\raise.75ex\hbox{c}\kern-.15em
                /\kern-.125em\smash{\lower.3ex\hbox{o}}} \ignorespaces}
\def \sfrac#1/#2{\leavevmode\kern.1em
        \raise.5ex\hbox{\the\scriptfont0 #1}\kern-.1em
        /\kern-.15em\lower.25ex\hbox{\the\scriptfont0 #2}}

%	Support ad-hoc strut construction.
\def \makestrut[#1;#2]{\vrule height#1 depth#2 width\z@ }

\def \d@sh#1{\nobreak\thinspace#1\penalty0\thinspace}
\def \dash{\d@sh{--}}
\def \Dash{\d@sh{---}}

%	Hack to permit automatic hyphenation after an actual hyphen.

\def\hyph{-\penalty0\hskip0pt\relax }

\def\slash{/\penalty0\hskip0pt} 	% "breakable" slash

%	utility registers

\newcount\TestCount

%	various logos and abbreviations

\def \AMSTeX{\leavevmode\hbox{$\cal A\kern-.2em\lower.376ex
        \hbox{$\cal M$}\kern-.2em\cal S$-\TeX}}
\def \LaTeX{\TestCount=\the\fam \leavevmode L\raise.42ex
	\hbox{$\fam\TestCount\scriptstyle\kern-.3em A$}\kern-.15em\TeX}
\def \BibTeX{{\rm B\kern-.05em{\sc i\kern-.025emb}\kern-.08em\TeX}}
\font\manual=nwmanfnt % to avoid problems while old manfnt is preloaded
\def \MF{{\manual META}\-{\manual FONT}}
\def \slMF{{\manual 89:;}\-{\manual <=>:}} % slant the logo
\def \MFB{{\sl The \slMF book}}
\def \mf{{\sc Metafont}}
\def \Pas{Pascal}
\def \PiC{P\kern-.12em\lower.5ex\hbox{I}\kern-.075emC}
\def \PiCTeX{\PiC\kern-.11em\TeX}
\def \PS{Post\-Script}
\def \SliTeX{{\rm S\kern-.06em{\sc l\kern-.035emi}\kern-.06em\TeX}}
\def \TB{{\sl The \TeX book}}
\def \UNIX{{\sc unix}}
\def \TeXXeT{\TeX--X\kern-.125em\lower.5ex\hbox{E}\kern-.1667emT}
\def \TUB{TUGboat}
\def \VAX{\leavevmode\hbox{V\kern-.12em A\kern-.1em X}}
\def \WEB{{\tt WEB}}

%  Redefine style of section headings to look more like TUGboat.
%  Start with definitions from art10.sty .  (Only \section correct so far.)
%
%  \vskip 8pt \vskip\parskip before; \vskip 4pt after
%  Negative beforeskip suppresses following parindent.

\def\section{\@startsection {section}{1}{\z@}{-8pt}{4pt}{\normalsize\bf}}
\def\subsection{\@startsection{subsection}{2}{\z@}{-8pt}{4pt}{\normalsize\bf}}
\def\subsubsection
	{\@startsection{subsubsection}{3}{\z@}{-8pt}{4pt}{\normalsize\bf}}
\def\paragraph{\@startsection
 {paragraph}{4}{\z@}{3.25ex plus 1ex minus .2ex}{-1em}{\normalsize\bf}}
\def\subparagraph{\@startsection
 {subparagraph}{4}{\parindent}{3.25ex plus 1ex minus
 .2ex}{-1em}{\normalsize\bf}}
%	Modify \appendix from art10.sty, to add ``Appendix''
\def\appendix{\par
 \setcounter{section}{0}
 \setcounter{subsection}{0}
 \def\thesection{Appendix \Alph{section}}}

\font\tenupit=cmu10

\def \EdNote{{\tenupit Editor's note:\enspace }}

\endinput