### User registration
-Can optionally be configured to allow only registered users to post
+Can optionally be configured to allow only registered users to edit
pages.
User registration can be done using a web form, or ikiwiki can be
/Discussion subpage. By default, these links are included in the
[[templates]] for each page.
-### Page locking
+### Edit controls
-Wiki admins can lock pages so that only other admins can edit them.
+Wiki admins can [[lock_pages|page_locking]] so that only other admins can
+edit them. Or a wiki can be set up to allow anyone to edit Discussion
+pages, but only registered users to edit other pages. These are just two
+possibilities, since page edit controls can be changed via plugins.
### [[PageHistory]]
Well, sorta. Rather than implementing YA history browser, it can link to
-[[ViewCVS]] or the like to browse the history of a wiki page.
+[[ViewVC]] or the like to browse the history of a wiki page.
### Full text search