On Thu, 1 Sep 2016, Ed Avis wrote:

This is a small user-friendliness improvement in the mode without
-f, since "warning: file 'a' specified twice" is easier to
understand than "cannot remove 'a': No such file or directory", but
it is also a performance improvement.

I wonder how difficult this is to understand:

$ rm -v -- a a
removed `a'
rm: cannot remove `a': No such file or directory

Maybe not so hard?

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