lib/56640: acl(3) does not tell anything about NetBSD

[kim%netbsd.org@localhost (Kimmo Suominen)]

>Number:         56640
>Category:       lib
>Synopsis:       acl(3) does not tell anything about NetBSD
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    lib-bug-people
>State:          open
>Class:          doc-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 17 17:50:00 +0000 2022
>Originator:     kim%netbsd.org@localhost (Kimmo Suominen)
>Release:        NetBSD 9.99.92
>Organization:
>Environment:
System: NetBSD rendez-vous.gw.fi 9.99.92 NetBSD 9.99.92 (GENERIC) #0: Tue Oct 26 23:37:40 UTC 2021 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:

	The acl(3) manual page does not say what functionality is
	available on NetBSD and since when.

>How-To-Repeat:

	https://man.netbsd.org/acl.3

>Fix:

	Add information about what functionality was imported from
	FreeBSD to NetBSD and in which NetBSD version.