for a given (user, page, operation), as in:
<pre>
- \[[acl user=joe page=*.png allow=upload]]
- \[[acl user=bob page=/blog/bob/* allow=*]]
- \[[acl user=* page=/blog/bob/* deny=*]]
- \[[acl user=http://jeremie.koenig.myopenid.com/ page=/todo/* deny=create
+ \[[!acl user=joe page=*.png allow=upload]]
+ \[[!acl user=bob page=/blog/bob/* allow=*]]
+ \[[!acl user=* page=/blog/bob/* deny=*]]
+ \[[!acl user=http://jeremie.koenig.myopenid.com/ page=/todo/* deny=create
reason="spends his time writing todo items instead of source code"]]
</pre>
Possibly could refer to other ACL pages, as in:
<pre>
- \[[acl user=* page=/subsite/* acl=/subsite/acl.mdwn]]
+ \[[!acl user=* page=/subsite/* acl=/subsite/acl.mdwn]]
</pre>