bug#21084: rm appears to no longer be POSIX compliant (as of 2013 edition) re: deleting empty dirs and files under <path>/.

[Paul Eggert]

Linda Walsh wrote:
> find, by itself, has no way to remove all of the items under a
> tree even if you own them all.

That's not a problem.  Have 'find' call 'rm'.  Something like this, say:

find . ! -name . -prune -exec rm -fr {} +

So there's no need to change 'rm'.