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%D \module
%D [ file=ppchtex (m-chemie),
%D version=1997.03.19,
%D title=\CONTEXT\ Extra Modules,
%D subtitle=\PPCHTEX\ (Plain Pictex Context cHemie \TEX),
%D author=Hans Hagen,
%D date=\huidigedatum,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten},
%D suggestions={Tobias Burnus, Dirk Kuypers \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See licen-en.pdf for
%C details.
%D This module facilitates the use of \PPCHTEX\ in macro
%D packages other than \CONTEXT. One of the features of
%D \CONTEXT\ is that the user interface can be in any
%D language. This language is defined at loading time.
%D
%D This module is indeed a surrogate one and is only a poor
%D man's alternative to the more extensive \type{mult-***}
%D modules of \CONTEXT. The extra overhead in terms of macros
%D and functionality that these modules offer is only useful
%D in \CONTEXT.
%D
%D Two interfaces are supported here, but others can easily be
%D defined. This module expects the general system macros to be
%D loaded as wel as a interface switch \type{\ifalternativeinterface}
%D to be set.
%D First we load some auxiliary macro's:
\input supp-mis.tex \let\writestatus\undefined
\input syst-gen.tex
%D after which we can go on with:
\unprotect
%D 0 = english
%D 1 = dutch
%D 2 = german
\ifx\interfacenumber\undefined
\chardef\interfacenumber=0
\fi
\def\definesystemvariable #1 %
{\setvalue{??#1}{@@#1}}
\def\definesystemconstant #1 %
{\setvalue{s!#1}{#1}}
\def\definevariable #1 #2 #3 % en nl de
{\ifcase\interfacenumber
\setvalue{v!#1}{#1}
\or
\setvalue{v!#1}{#2}
\or
\setvalue{v!#1}{#3}
\fi}
\def\defineconstant #1 #2 #3 % en nl de
{\ifcase\interfacenumber
\setvalue{c!#1}{#1}
\setvalue{c!#2}{#1}
\or
\setvalue{c!#1}{#1}
\or
\setvalue{c!#1}{#1}
\setvalue{c!#3}{#1}
\fi}
\def\definecommand #1 #2 #3 %
{\ifcase\interfacenumber
% core commands are english
\or
\doifnot{#1}{#2}{\setvalue{#2}{\getvalue{#1}}}
\or
\doifnot{#1}{#3}{\setvalue{#3}{\getvalue{#1}}}
\fi}
\long\def\startcommands#1\stopcommands
{}
\def\dosetvalue#1#2#3%
{\p!doifundefined{\c!prefix!#2}%
\let\donottest=\doprocesstest
\@EA\def\csname#1#2\endcsname{#3}%
\else
\let\donottest=\doprocesstest
\@EA\def\csname#1\csname\c!prefix!#2\endcsname\endcsname{#3}%
\fi}
\def\dosetevalue#1#2#3%
{\p!doifundefined{\c!prefix!#2}%
\let\donottest=\doprocesstest
\@EA\edef\csname#1#2\endcsname{#3}%
\else
\let\donottest=\doprocesstest
\@EA\edef\csname#1\csname\c!prefix!#2\endcsname\endcsname{#3}%
\fi}
\def\docopyvalue#1#2#3%
{\p!doifundefined{\c!prefix!#3}%
\let\donottest=\doprocesstest
\@EA\def\csname#1#3\endcsname%
{\csname#2#3\endcsname}%
\else
\let\donottest=\doprocesstest
\@EA\def\csname#1\csname\c!prefix!#3\endcsname\endcsname%
{\csname#2\csname\c!prefix!#3\endcsname\endcsname}%
\fi}
\def\doresetvalue#1#2%
{\dosetvalue{#1}{#2}{}}
\def\dogetvalue#1#2%
{\csname#1\csname\c!prefix!#2\endcsname\endcsname}
\defineconstant axis assenstelsel achsen
\defineconstant top boven oben
\defineconstant width breedte breite
\defineconstant size formaat groesse
\defineconstant number getal nummer
\defineconstant height hoogte hoehe
\defineconstant frame kader rahmen
%defineconstant framecolor kaderkleur rahmenfarbe
\defineconstant color kleur farbe
\defineconstant bodyfont korps fliesstext
\defineconstant style letter schriftstil
\defineconstant rulethickness lijndikte liniendicke
\defineconstant rulecolor lijnkleur linienfarbe
\defineconstant left links links
\defineconstant offset offset offset
\defineconstant bottom onder unten
\defineconstant option optie option
\defineconstant location plaats platz
\defineconstant right rechts rechts
\defineconstant resolution resolutie aufloesung
\defineconstant scale schaal format
\defineconstant state status status
\defineconstant text tekst text
\defineconstant textcolor tekstkleur tekstfarbe
\defineconstant textsize tekstformaat textgroesse
\defineconstant alternative variant alternative
\defineconstant x x x
\defineconstant y y y
\definevariable on aan an
\definevariable big groot gross
\definevariable intext intekst imtext
\definevariable small klein klein
\definevariable medium middel mittel
\definevariable fit passend passend
\definevariable start start start
\definevariable stop stop stop
\definevariable test test test
\definevariable off uit aus
\definecommand definechemical definieerchemie definierechemie
\definecommand setupchemical stelchemiein stellechemieein
\definecommand chemical chemie chemie
\definecommand tochemical naarchemie zurchemie
\definecommand startchemical startchemie startchemie
\definecommand stopchemical stopchemie stopchemie
\definecommand toptext boventekst textueber
\definecommand bottext ondertekst textunter
\definecommand midtext middentekst textmitte
\protect
%D After those definitions we actually load \PPCHTEX:
\input ppchtex.tex
%D We also change some setup values. Let's hope that the next
%D setups forever suits \LATEX.
\unprotect
\ifx\bodyfontsize\undefined
\ifx\f@size\undefined
\ifx\@ptsize\undefined
\setupchemical[\c!bodyfont=11pt]
\else
\setupchemical[\c!bodyfont=1\@ptsize pt]
\fi
\else
\setupchemical[\c!bodyfont=\f@size pt]
\fi
\else
\setupchemical[\c!bodyfont=\bodyfontsize]
\fi
\ifx\mathrm\undefined
\setupchemical[\c!style=\rm]
\else
\setupchemical[\c!style=\mathrm]
\fi
\ifx\outputresolution\undefined
\setupchemical[\c!resolution=300]
\else
\setupchemical[\c!resolution=\outputresolution]
\fi
\protect \endinput
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