strace output shows Samba removing xattr that stores Windows ACL when I add a new user ACL to the folder.
opnew (text/plain), 149.63 KB, created by Barry Sabsevitz (mail address dead) on 2009-11-01 23:20:40 UTC
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Creator: Barry Sabsevitz (mail address dead)
Created: 2009-11-01 23:20:40 UTC
Size: 149.63 KB
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Attachments on bug 6865: 4912 | 4926 | 4953