[NTG-context] [ppchtex] \normalifx: Undefined control sequence

Denis Bitouzé dbitouze at wanadoo.fr
Thu Apr 22 16:51:47 CEST 2010


Le jeudi 22/04/10 à 16h42,
Hans Hagen <pragma at wxs.nl> a écrit :

> so use the [][] variant instead ({}{} is for inline)

OK, that's better :) But the following MCE:

\documentclass{article}
\usepackage{etex,m-pictex,m-ch-en}
\begin{document}
\startchemical
\chemical[2H_2,PLUS,O_2,GIVES,2H_2O]
\stopchemical
\end{document}

leads to the messages:

ppchtex        : unknown chemical definition 2H_2
ppchtex        : unknown chemical definition O_2
ppchtex        : unknown chemical definition 2H_2O

and, indeed, only the "+" sign and the arrow are printed.

Thanks.
-- 
Denis




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