The package here has been updated.
Thanks, Jim Hefferon Saint Michael's College
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The following information was provided by our fellow contributor:
Name of contribution: siunitx Author's name: Joseph Wright Location on CTAN: /macros/latex/exptl/siunitx Summary description: A comprehensive (SI) units package License type: lppl
Announcement text: ---------------------------------------------------------------------- v0.8a: - Restored trapambigerr option - Fixed extra spaces in tables - Fixed alignment issue with superscripts in text mode - Removed loading order issue with fontspec ----------------------------------------------------------------------
This package is located at http://tug.ctan.org/tex-archive/macros/latex/exptl/siunitx . More information is at http://tug.ctan.org/pkg/siunitx (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 .