@item bitpos
This attribute is not available for @code{static} fields (as in
C@t{++} or Java). For non-@code{static} fields, the value is the bit
-position of the field.
+position of the field. For @code{enum} fields, the value is the
+enumeration member's integer representation.
@item name
The name of the field, or @code{None} for anonymous fields.