When you mark a post community wiki on a Stack Exchange site, that means …
this post can be edited by anyone with 100 reputation
this post can be edited by anyone with 100 reputation
this post does not generate any reputation for anyone when upvoted or downvoted
The main advantage of community wiki — more editing — was nerfed when we introduced suggested edits. With suggested edits, anyone, even an anonymous user, can edit anything — so long as another experienced user reviews and approves their edit. …