[NTG-context] Error while loading chemml

[Taco Hoekwater]

Johannes Graumann wrote:
> Hello,
> 
> Loading the chemml module I get the following error:
> 
> system          : macros of module chemml loaded
> (/usr/share/texmf-tetex/tex/context/base/x-chemml.tex
> xml             : loading module cml
> (/usr/share/texmf-tetex/tex/context/base/xtag-cml.tex
> ! Undefined control sequence.
> <argument> \c!variant
>                       =\v!a
> \xprocesscommaitem #1,#2->\if ,#1
>                                  ,\@EA \xprocesscommaitem \else
> \if ]#1\@EAE...
> 
> \xdogetparameters #1]->\xprocesscommaitem #1,]
>                                               ,\@relax@
> l.23 \setupCMLappearance [ion] [\c!variant=\v!a]
> 
> I assume this will go away once I switch to the most recent ConTeXt?

No, it will not. You have just discovered a bug in the very latest
context. Line 23 should read:

    \setupCMLappearance [ion] [\c!alternative=\v!a]

Cheers, taco