Subject: RE: bug#61035: [PATCH] cp: improve help regarding ACLs

From: Ondrej Valousek <[email-masked]>
Date: Mon, 30 Jan 2023 08:19:20 +0000

> My understanding is that ACLs can be seen as extension over permission bits whereas the extended attributes can store pretty 
> much anything.  I am not saying which approach is (more) correct though.

Exactly my point as well. 
Also, it is not correct to say "cp -p now preserves ACL" because it ALWAYS preserved Posix ACLs - it was only not obvious from the man page.
Hence my fix there.
The only change we introduced recently is that "cp -p" not only preserves Posix ACLs but also NFSv4 ACLs.