syncrepl breaks on fax attribute removal

Hello

facsimileTelephoneNumber has no equality matching rule. This makes it a bit difficult to remove. ldapvi will compain because:

ldap_modify: Inappropriate matching (18) additional info: modify/delete: facsimileTelephoneNumber: no equality matching rule

Using ldapmodify, it is possible to delete all facsimileTelephoneNumber attributes, but then, replicas get out of sync: null_callback : error code 0x12 syncrepl_entry: rid=217 be_modify failed (18) do_syncrepl: rid=217 retrying

I have to destroy the replicas database and get the resync from scratch. Kind of silly, isn't it? Is that issue known?