const char *var_type_adj (enum var_type);
const char *var_type_noun (enum var_type);
-/* Maximum variable name lengths. */
+/* Maximum lengths of short and long variable names.
+ Most operations support long variable names,
+ but some file formats are limited to short names. */
#define SHORT_NAME_LEN 8 /* Short name length. */
#define LONG_NAME_LEN 64 /* Long name length. */