On Mon, 26 Jun 2006, Martin Hensel submitted an update to the
mhchem
bundle for typesetting chemical formulae, chemical equations and Risk and Safety (R and S) Phrases.
Location on CTAN: /macros/latex/contrib/mhchem/ Summary description: for typesetting chemical formulae, chemical equations and Risk and Safety (R and S) Phrases License type: lppl
Announcement text: ---------------------------------------------------------------------- most significant change: - option to render reaction arrows using the pgf package
further changes: - H2_{(aq)} now adds a small space before the (aq) - bugfix: line height of formulae with <-> was too large ----------------------------------------------------------------------
Thanks for the update.
For the CTAN Team Rainer Schöpf