mhchem (1may11)

git-svn-id: svn://tug.org/texlive/trunk@22267 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 5 insertions, 3 deletions

diff --git a/Master/texmf-dist/doc/latex/mhchem/mhchem.pdf b/Master/texmf-dist/doc/latex/mhchem/mhchem.pdf
index 07f02636a74..391509eb374 100644
--- a/Master/texmf-dist/doc/latex/mhchem/mhchem.pdf
+++ b/Master/texmf-dist/doc/latex/mhchem/mhchem.pdf
diff --git a/Master/texmf-dist/tex/latex/mhchem/mhchem.sty b/Master/texmf-dist/tex/latex/mhchem/mhchem.sty
index 13caf95ec8b..80d70f8f97c 100644
--- a/Master/texmf-dist/tex/latex/mhchem/mhchem.sty
+++ b/Master/texmf-dist/tex/latex/mhchem/mhchem.sty
@@ -29,7 +29,7 @@
 % mhchem.pdf and legal.txt.
 %
 %
-\ProvidesPackage{mhchem}[2011/04/26 v3.09 for typesetting chemical formulae]
+\ProvidesPackage{mhchem}[2011/04/29 v3.10 for typesetting chemical formulae]
 \RequirePackage{ifthen}
 \RequirePackage{calc}[1998/07/07]
 \RequirePackage{twoopt}
@@ -130,6 +130,9 @@
 \def\mhchem@ce@xii#1\mhchem@END{\mhchem@ce@viii#1 \mhchem@END\mhchem@ENDEND}%
 \DeclareRobustCommand\mhchem@ce@xiii[1]{%
   \bgroup%
+  \ifnum 4>\mhchem@option@version%
+    \def\hyphen{\mhchem@hyphen}%
+  \fi%
   \def\mhchem@protect{\noexpand}%
   \edef\mhchem@tmp{#1}%
     %
@@ -2063,7 +2066,6 @@
   \newcommand*\mhchem@cmath[1]{\ensuremath{\text{\ensuremath{#1}}}}%
   \newcommand*\cmath[1]{\mhchem@cmath{#1}}
   \newcommand*\cf[2][]{\mhchem@cf[#1]{#2}}
-  \newcommand*\hyphen{\mhchem@hyphen}
 \fi
 
 
diff --git a/Master/texmf-dist/tex/latex/mhchem/rsphrase.sty b/Master/texmf-dist/tex/latex/mhchem/rsphrase.sty
index 59137891f63..d5e1e7150b9 100644
--- a/Master/texmf-dist/tex/latex/mhchem/rsphrase.sty
+++ b/Master/texmf-dist/tex/latex/mhchem/rsphrase.sty
@@ -52,7 +52,7 @@
 % mhchem.pdf and legal.txt.
 %
 %
-\ProvidesPackage{rsphrase}[2011/04/26 v3.09 Risk and Safety Phrases (mhchem bundle)]
+\ProvidesPackage{rsphrase}[2011/04/29 v3.10 Risk and Safety Phrases (mhchem bundle)]
 \RequirePackage{ifthen}
 \RequirePackage{textcomp}