Clemens Niederberger submitted an update to the

chemformula

package.

Version number: 4.10 2015-03-16 License type: lppl1.3

Summary description: Command for typesetting chemical formulas and reactions.

Announcement text: ---------------------------------------------------------------------- new macros NewChemCompoundProperty, RenewChemCompoundProperty, DeclareChemCompoundProperty and RemoveChemCompoundProperty, see http://tex.stackexchange.com/a/233203/5049 for a possible application ----------------------------------------------------------------------

This package is located at http://mirror.ctan.org/macros/latex/contrib/chemformula

More information is at http://www.ctan.org/pkg/chemformula

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Thanks for the upload.

For the CTAN Team Ina Dau