-* `rss` - controls generation of an rss feed. On by default if the wiki is
- configured to use rss feeds, set to "no" to disable.
-* `atom` - controls generation of an atom feed. On by default if the wiki is
- configured to use atom feeds, set to "no" to disable.
+* `postform` - Set to "yes" to enable a form to post new pages to a
+ [[blog]].
+* `postformtext` - Set to specify text that is displayed in a postform.
+* `rootpage` - Enable the postform, and allows controling where
+ newly posted pages should go, by specifiying the page that
+ they should be a [[SubPage]] of.
+
+Here are some less often needed parameters:
+
+* `actions` - If set to "yes" add links to the bottom of the inlined pages
+ for editing and discussion (if they would be shown at the top of the page
+ itself).
+* `rss` - controls generation of an rss feed. If the wiki is configured to
+ generate rss feeds by default, set to "no" to disable. If the wiki is
+ configured to `allowrss`, set to "yes" to enable.
+* `atom` - controls generation of an atom feed. If the wiki is configured to
+ generate atom feeds by default, set to "no" to disable. If the wiki is
+ configured to `allowatom`, set to "yes" to enable.