I don't know if anyone is getting or reading my messages, but I just want to make it clear that my problem has
*not* been resolved, and I suspect more strongly than ever that pg_dump is at fault.
I don't know what I could possibly add to what I've already posted describing my issue, so I probably shouldn't repeat myself any further now, but simply hope that somebody will read my previous posts and be able to help me.
It truly looks as if I have to forget that the "--exclude*" options exist at all...