Pete is right. I was just discussing this off the list with Massimo
who figured it out for himself (and passed on the info to me).
The processing instruction at the beginning of the EAD version 1.0
document needs to be changed from
<?ATTLINK extref ext.ptr URI>
<?ATTLINK extref href URI>
This is assuming you then use the href attribute to indicate the
destination of the link.
Modern Records Centre
University of Warwick
UK - CV4 7AL
Tel. 01203 524493
e-mail : [log in to unmask]