revision_ref is actually the parent revision. Indicating what the previous revision was. What you really want to look for is the line with "<revision.*revision_id"
Though by the looks of it, it seems you have a revision which isn't properly referenced.
revision_ref is actually the parent revision. Indicating what the previous revision was. What you really want to look for is the line with "<revision. *revision_ id"
Though by the looks of it, it seems you have a revision which isn't properly referenced.
John