[tex-live] [pretest] 'tlmgr option' doesn't show default autobackup information

[Ken Brown]

Do I remember correctly that, as of TL2010, tlmgr keeps backups by 
default?  If so, shouldn't 'tlmgr option' display the (default) number 
of backups and the (default) backup directory?

$ tlmgr option showall | grep backup
Number of backups to keep (autobackup): (not set)
Directory for backups (backupdir): (not set)

Ken