TODO

   1 These things would be nice to have:
   2
   3
   4 These things will change in future udev versions:
   5   o warn if BUS, ID, SYSFS are used as keys
   6     (they are SUBSYSTEMS, KERNELS, ATTRS now)
   7
   8
   9 These things are deprecated and scheduled for removal in a future
  10 udev version:
  11   o remove man page symlinks for old tool names
  12
  13   o some day, remove the symlinks to udevadm