On Mon, 18 Mar 2019 14:44:17 +0000 Jorge Manuel wrote:

Thanks for your support. I clear the recommended line, but the problem persists. How I can fix that?

Jorge

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No dia 18/03/2019, às 14:36, Alan Braslau escreveu:

On Mon, 18 Mar 2019 10:08:33 +0000 Jorge Manuel wrote:

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\usemodule[chemic]

chemic is the old, mkii chemical macros. They have been replaced in mkiv with core macros so no need for the above line.

Alan

Sorry, it is now: \startchemicalformula \chemical{text} \chemical{text}{below} \chemical{text}{above}{below} \stopchemicalformula and it can be enclosed in \startplacechemical ... \stopplacechemical to get numbered (chemical) equations. Alan P.S. I need to work with Hans to get the new (now old) manual into the distribution.