packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
"\\usepackage{ulem}\n";
- if (mustProvide("mhchem"))
+ if (mustProvide("mhchem") &&
+ params_.use_mhchem != BufferParams::package_off)
packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
"\\usepackage{mhchem}\n";