Clemens Niederberger submitted an update to the

chemformula

package.

Version: 4.12b / 2015-09-08 License: lppl1.3

Summary description: Command for typesetting chemical formulas and reactions

Announcement text: ----------------------------------------------------------------------

trim spaces of ch input (adapt to a change in l3kernel)

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

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

We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .

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Thanks for the upload.

For the CTAN Team Petra Rübe-Pugliese