///
void useLanguage(Language const *);
///
- bool hasLanguages();
+ bool hasLanguages() const;
///
string getLanguages() const;
///
- std::set<string> getEncodingSet(string const & doc_encoding);
+ std::set<string> getEncodingSet(string const & doc_encoding) const;
///
void useLayout(string const & lyt);
///