* this type by value or by reference. typbyval had better be false if
* the length is not 1, 2, or 4 (or 8 on 8-byte-Datum machines).
* Variable-length types are always passed by reference. Note that
- * typbyval can be false even if the length would allow pass-by-value;
- * this is currently true for type float4, for example.
+ * typbyval can be false even if the length would allow pass-by-value; for
+ * example, type macaddr8 is pass-by-ref even when Datum is 8 bytes.
*/
bool typbyval;
/*
* If typisdefined is false, the entry is only a placeholder (forward
- * reference). We know the type name, but not yet anything else about it.
+ * reference). We know the type's name and owner, but not yet anything
+ * else about it.
*/
bool typisdefined BKI_DEFAULT(t);