+class Aux_Info {
+public:
+ ///
+ Aux_Info() {}
+ ///
+ string aux_file;
+ ///
+ std::set<string> citations;
+ ///
+ std::set<string> databases;
+ ///
+ std::set<string> styles;
+};
+
+
+///
+bool operator==(Aux_Info const &, Aux_Info const &);
+bool operator!=(Aux_Info const &, Aux_Info const &);
+
+