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-rw-r--r--TWiki/TWikiAccessControl.mdwn16
1 files changed, 14 insertions, 2 deletions
diff --git a/TWiki/TWikiAccessControl.mdwn b/TWiki/TWikiAccessControl.mdwn
index 48ee50d5..26e23735 100644
--- a/TWiki/TWikiAccessControl.mdwn
+++ b/TWiki/TWikiAccessControl.mdwn
@@ -107,6 +107,18 @@ _Notes for read access restriction:_
* It is not recommended to restrict view access to individual topics since all content is searchable **_within_** a web.
* The view restriction is not suitable for very sensitive content since there is a way to circumvent the read access restriction.
-**_Related topics:_** %WIKIPREFSTOPIC%, %WEBPREFSTOPIC% (in every web), %MAINWEB%.TWikiAdminGroup, %MAINWEB%.TWikiGroups
-
-- [[PeterThoeny]] - 16 Mar 2001 <br />
+
+**_NOTE:_**
+
+The above schema can lock completely a topic in case of a typing error of the ALLOWTOPICCHANGE setting (see [UnchangeableTopicBug](http://www.twiki.org/cgi-bin/view/Codev/UnchangeableTopicBug)). To avoid this:
+
+* set the `$superAdminGroup` variable in `TWiki.cfg` to the name of a group of users that are always allowed to edit/view topics. E.g.:
+
+ $superAdminGroup = "TWikiAdminGroup";
+
+* the default setting is not to have superusers
+
+-- [[AndreaSterbini]] - 11 Apr 2001 <br />
+
+**_Related topics:_** %WIKIPREFSTOPIC%, %WEBPREFSTOPIC% (in every web), %MAINWEB%.TWikiAdminGroup, %MAINWEB%.TWikiGroups