Clemens Niederberger submitted an update to the
chemformula
package.
Version number: 4.12a 2015-08-29 License type: lppl1.3
Summary description: Command for typesetting chemical formulas and reactions
Announcement text: ---------------------------------------------------------------------- - mostly a maintenance update - every NewChem... macro now has got a ProvideChem... brother ----------------------------------------------------------------------
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