> Uwe Brauer <oub@mat.ucm.es> writes:

   > FWIW, I tried a set-up with git (I don't have mercurial available) and I cannot
   > reproduce this.

   > I'm not using numbered backups but the two variables you mention are set the
   > same way for me. Here's what I did:

Do you have really 
 make-backup-files t, 
 vc-make-backup-files nil


The only way I can stop the backup nightmare, is set it to nil,
globally, which is not what I want.