[Plugin: WordPress Wiki] Restrict Edits to user role

Hi Dawn,

You could do that with some custom capabilities as described in the following thread over at the premium forums.
http://premium.wpmudev.org/forums/topic/custom-users-to-control-wiki

I’d advise using the User Role Editor plugin, which is quite easy to work with:
http://wordpress.org/extend/plugins/user-role-editor/

Hope that helps!

-David