On Tue, 24 May 2005, John Horne wrote:
> acl = ! some_other_acl
> ! acl = some_other_acl
>
> I have now been able to test this. It seems that the first format is
> actually invalid.
Of course it is. Silly me.
Negation is allowed before any ACL condition (the second form). Negation
on the rhs depends on what the rhs is. You can only use negation if the
rhs is some kind of list.
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Philip Hazel University of Cambridge Computing Service,
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