Feel free to just delete all the "get/setprocesscontentversionerror" junk if that makes things easier, and we can file a task like "make this work better". The way it works now isn't great and won't work with Conduit anyway.

Well, I guess it's kiiiiiind of a regression to not have a warning at all, I think we added it because someone was actually hitting it? I vaguely recall it ruining someone's life 100x the worst.

But the title field shouldn't really matter or need the check -- if you and someone else rename a document simultaneously it seems fine to just use "last save wins", at least for now.

then this is ready for review