Subject: Re: [bug-diffutils] bug#46550: bug in diff -r?

From: Paul Eggert <[email-masked]>
Date: Tue, 16 Feb 2021 09:22:22 -0800

On 2/15/21 1:56 PM, Stan Schymanski wrote:
> Is this a bug
> or am I misunderstanding diff -r?

Perhaps a bit of both. The algorithm you want (which is to pretend that 
directories missing in A are empty in B, and vice versa) is not the 
algorithm that 'diff -r A B' uses.