* and !SandBox and !*/Discussion
-Some more elaborate limits can be added to what matches using any of these
-functions:
+Some more elaborate limits can be added to what matches using these functions:
* "`link(page)`" - match only pages that link to a given page (or glob)
* "`backlink(page)`" - match only pages that a given page links to
* "`title(glob)`", "`author(glob)`", "`authorurl(glob)`",
"`license(glob)`", "`copyright(glob)`" - match pages that have the given
metadata, matching the specified glob.
+* "`user(username)`" - tests whether a modification is being made by a
+ user with the specified username. If openid is enabled, an openid can also
+ be put here.
+* "`admin()`" - tests whether a modification is being made by one of the
+ wiki admins.
+* "`ip(address)`" - tests whether a modification is being made from the
+ specified IP address.
+* Some additional special-purpose limits may be enabled, for matching
+ [[attachments|attachment]] and [[translations|po]].
For example, to match all pages in a blog that link to the page about music
and were written in 2005: