bug#19148: acknowledged by developer ()

[積丹尼 Dan Jacobson]

I still wish this

$ ls -i --sort=inode
ls: invalid argument ‘inode’ for ‘--sort’
Valid arguments are:
  - ‘none’
  - ‘time’
  - ‘size’
  - ‘extension’
  - ‘version’
Try 'ls --help' for more information.

worked.