48 lines
1.7 KiB
Text
48 lines
1.7 KiB
Text
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\usepackage{color}
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\def\transerr#1{\begingroup\slshape}
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\def\transin#1{\begingroup\color{red}}
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\def\transout#1{\begingroup\color{blue}}
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\def\endtranserr#1{\endgroup}
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\def\endtransin#1{\endgroup}
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\def\endtransout#1{\endgroup}
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\newskip\ttglue
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\let\ninefivett=\tt % \font\ninefivett=cmtt9 at 9.5pt
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\ttglue=.5em plus .25em minus .15em
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\newskip\schemeindent
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\schemeindent=0pt
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{\obeyspaces\global\let =\ }
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\def\schtilde{\raisebox{-.5ex}{\hbox{\char`\~}}}
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\def\schdot{.}
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\def\schcarat{\char`\^}
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\def\schbackslash{\char`\\}
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\def\schatsign{\char`\@}
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\def\schunderscore{\char`\_}
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\def\schlbrace{\char`\{}
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\def\schrbrace{\char`\}}
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\def\scheme#1{\mbox{\ttfamily\ninefivett\frenchspacing\spaceskip=\ttglue#1}}
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\def\schemeblankline{\par\beforeschemedisplay}
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\def\schemelinestart{{\leavevmode\hbox{\hskip \schemeindent\relax}}}
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%%% handle numbered lines in scheme.sty and scheme.hsty
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%%% ---have scheme-prep produce only \schemelinestart
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\def\schemelinestartnumbered#1{{\leavevmode\hbox{\hbox to 1em {\hfil{\rm #1}} \hskip .5\schemeindent\relax}}}
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\def\noskip\schemedisplay{\begingroup%
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\parindent=0pt%
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\parskip=0pt%
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\def\becomes{\hbox to 2em{\hfil$\rightarrow$\hfil}}%
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\def\is{\hbox to 2em{\hfil$\Rightarrow$\hfil}}%
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\def\si{\hbox to 2em{\hfil}}%
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\interlinepenalty=2000%
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\baselineskip=11pt plus 1pt\ninefivett\obeyspaces\frenchspacing}
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\def\schemedisplay{\beforeschemedisplay\noskip\schemedisplay}
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\def\longcode\schemedisplay{\penalty-200\vskip 8pt plus 4pt%
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\kern3pt\hrule\kern5pt\nobreak\noskip\schemedisplay}
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\def\endschemedisplay{\par\endgroup\afterschemedisplay}
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\def\var#1{{\normalsize\textrm{\textit{#1}}}}
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\def\raw#1{#1}
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\def\beforeschemedisplay{\penalty-100\vskip\parskip\vskip5pt}
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\def\afterschemedisplay{\penalty-200\vskip5pt}
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