CTAN Update: chemformula

Clemens Niederberger submitted an update to the chemformula package. Version: 4.12 / 2015-08-12 License: lppl1.3 Summary description: Command for typesetting chemical formulas and reactions Announcement text:

CTAN Update: tcolorbox

Thomas F. Sturm submitted an update to the tcolorbox package. Version: 3.72 / 2015-08-12 License: lppl1.3 Summary description: Coloured boxes, for LaTeX examples and theorems, etc Announcement text: -- -