ArteGordon, I've already converted the premium spawners to xml and I've added some other xmlspawners as well. How do I fix the premium spawners that's already converted without affecting those that are not a conversion from premium spawners.
EDIT...
Ok, don't worry about it. I worked it out
I used xmlfind where name is data as all premium spawners have that prefix on my shard and deleted them in xmlfind and I re-imported the map file using xmlimportmap and respawned everything with xmlspawnerrespawnall.
Cheers!