> One other note - once you save changes to the log file you
> are working on, the list will be locked. You will need
> to unlock the list before you can update the list header.

The list should not have been locked. If it was, it was done via command
or by GETting the header without the NOLOCK option. Locking the list is
not necessary to edit the notebooks. Of course it doesn't hurt anything
either :-)