+void Loader::add_auxiliary_loader(Loader &ldr)
+{
+ aux_loaders.push_back(&ldr);
+}
+
+bool Loader::has_keyword(const string &kwd) const
+{
+ ActionMap::const_iterator i = actions.lower_bound(ActionKey(kwd, string()));
+ return i!=actions.end() && i->first.keyword==kwd;
+}
+