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From: Erik Frambach <E.H.M.Frambach@eco.rug.nl>
Newsgroups: gmane.comp.tex.context
Subject: chemic?
Date: Mon, 07 Sep 1998 18:30:38 +0100
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I'm trying to typeset a small some chemistry that worked perfectly in an
older version of ConTeXt. Now I get an error message on \chemical,
and the log file says  no 'macros found in chemic'. I tried 'm-chemie' and
a few more variations, without any luck. What's wrong?

\usemodules[chemic]
\starttext
\chemical{CaCO_3,~,GIVES,~,CaO,~,+,~,CO_2}
\stoptext

The log file:

This is CONTEXT version <1998.7.23 > interface <english> responses
<english>

This package is based on Plain TeX. It uses an adapted version of the
extended mark mechanism of J. Fox (1987) and a few parts of the sidefloat
mechanism of D. Comenetz (1993). Most of D.E. Knuth's Plain TeX (3.14159)
is available and can be used without problems. This package uses TaBlE, a
package designed and copyrighted by M.J. Wichura (1988). Only a few
auxiliary files are generated, of which some must be processed by TeXUtil
(1996.03.15). The current blockversion is 1996.03.10.

Copyright 1990-1998 / PRAGMA / J. Hagen - A.F. Otten

system         : cont-new loaded
(E:/4TEXWIN/TEXMF/tex/context/base/cont-new.tex)
system         : cont-old loaded
(E:/4TEXWIN/TEXMF/tex/context/base/cont-old.tex
loading        : Context Old Macros
)
system         : cont-fil loaded
(E:/4TEXWIN/TEXMF/tex/context/base/cont-fil.tex
loading        : Context File Synonyms
)
bodyfont       : 12pt roman is loaded
specials       : postscript,yandy,dviwindo,pdf loaded
system         : building simple utility-file
\openout1 = `t.tui'.

system         : no macros found in chemic
! Undefined control sequence.
l.3 \chemical
             {CaCO_3,~,GIVES,~,CaO,~,+,~,CO_2}
?

Erik Frambach