/// the list of included children (for includeonly)
std::list<std::string> included_children_;
typedef std::map<std::string, Package> PackageMap;
/** Whether and how to load packages like amsmath, esint, mhchem,
/// the list of included children (for includeonly)
std::list<std::string> included_children_;
typedef std::map<std::string, Package> PackageMap;
/** Whether and how to load packages like amsmath, esint, mhchem,