/* Descriptions of all the display formats above. */
-extern struct fmt_desc formats[];
+extern const struct fmt_desc formats[];
union value;
void num_to_string (double v, char *s, int w, int d);
struct fmt_spec make_input_format (int type, int w, int d);
struct fmt_spec make_output_format (int type, int w, int d);
+bool fmt_is_binary (int type);
#endif /* !format_h */