void archive_ex(const ex &e, const char *name);
/** Retrieve expression from archive by name.
- * @param sym_lst list of pre-defined symbols */
+ * @param sym_lst list of pre-defined symbols
+ * @param name name of expression */
ex unarchive_ex(const lst &sym_lst, const char *name) const;
/** Retrieve expression from archive by index.
* @param sym_lst list of pre-defined symbols
+ * @param index index of expression
* @see count_expressions */
ex unarchive_ex(const lst &sym_lst, unsigned index = 0) const;
/** Retrieve expression and its name from archive by index.
* @param sym_lst list of pre-defined symbols
* @param name receives the name of the expression
+ * @param index index of expression
* @see count_expressions */
ex unarchive_ex(const lst &sym_lst, std::string &name, unsigned index = 0) const;