# CTAN Update: chemmacros

CTAN Announcements ctan-ann at dante.de
Sun Jan 6 07:00:51 CET 2013

```Clemens Niederberger submitted an update to the

chemmacros

package.

Summary description: macros and commands for chemists

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

Bug fix: the handling of sub- and superscripts when more than one isotope is used within \ch{} now works as it should

----------------------------------------------------------------------

This package is located at
http://mirror.ctan.org/macros/latex/contrib/chemmacros/
http://www.ctan.org/pkg/chemmacros
(if the package is new it may take a day for that information to
appear).  We are supported by the TeX Users Group http://www.tug.org .
Please join a users group; see http://www.tug.org/usergroups.html .

------------------------------------------------------------------------