On Fri, Jun 29, 2012 at 7:04 AM, Reese, Terry <[log in to unmask]>wrote: > I wouldn't. One of the benefits of marcxml is that you are not > constrained by marcs record length issues. Deciding to calculate that > value would add an arbitrary length limitation to the format (in my > opinion). > Not to mention that the value includes the length added by the internal index. The internal index is not represented in MARCXML and constitutes a substantial portion of the total record length when there are a large number of fields. If someone has actually implemented a system that uses this value, the designers can be dismissed as being completely mental. kyle