*** 82,91 **** --- 82,93 ---- char char_at(int i); // Tests if the symbol starts with the given prefix. bool starts_with(const char* prefix, int len) const; + bool is_Q_signature(); + // Determines where the symbol contains the given substring. int index_of_at(int i, const char* str, int len) const; void print_symbol_on(outputStream* st); void print_symbol() {