From: Alan BRASLAU <alan.braslau@cea.fr>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Spacing and font problem with \chemical inside display math
Date: Thu, 13 Dec 2012 16:30:23 +0100 [thread overview]
Message-ID: <20121213163023.17761169@sole> (raw)
In-Reply-To: <201212131541.57569.romain.diss@yahoo.fr>
We are currently in the process of a complete re-write of the chemical macros. In fact, we are almost finished and Hans is including the new macros in the beta (as fast as he can keep up with my changes...).
In your example, I see the spacing problem in display math but do not see the font problem. Maybe Hans can fix this extra spacing problem.
Rather than display math (as was suggested with ppchTeX), we have now introduced
\startchemicalformula
\stopchemicalformula
in order to "display" a chemical formula.
Also, I'm not sure why you might want to put \chemical{} within a \text command; may I suggest either \type{\chemical{CO_2}} or {\tt typewriter \chemical{CO_2}}, depending upon what you want to achieve.
Alan
On Thu, 13 Dec 2012 15:41:56 +0100
Romain Diss <romain.diss@yahoo.fr> wrote:
> Hi all,
>
> I found what I suppose to be a bug with the \chemical command:
> - when one use \chemical inside display math, the spacing is wrong around the
> \chemical stuff. The font change inside \chemical also persists outside the
> command.
> - if one enclose the \chemical command into curly braces, the font problem do
> not appear but the spaces are still wrong.
> - if one put the \chemical command inside a \text{} command, ConTeXt stops
> with an error.
> These problems do not occur in inline math.
>
> Here is a minimal example:
>
> %% START
> \starttext
>
> Chemical within inline math: \m{M(\chemical{CO_2})} or
> \m{M(\text{\chemical{CO_2}})}. This works fine.
>
> Chemical in display math: \startformula M(\chemical{CO_2}) \stopformula gives
> some strange spacing and seems to modify the font outside \tex{chemical}.
>
> Chemical in display math: \startformula M({\chemical{CO_2}}) \stopformula
> corrects the font problem but still gives some strange spacing.
>
> %Chemical inside \text in display math: \startformula
> %M(\text{\chemical{CO_2}}) \stopformula gives an error.
>
> \stoptext
> %% END
>
> Anyone has an idea to solve this?
>
> Thanks in advance.
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next prev parent reply other threads:[~2012-12-13 15:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-13 14:41 [***SPAM***] " Romain Diss
2012-12-13 14:45 ` Romain Diss
2012-12-13 14:53 ` Andre Caldas
2012-12-13 15:30 ` Alan BRASLAU [this message]
2012-12-13 23:24 ` [***SPAM***] " Romain Diss
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