This is from the FAQ:
(Note that votes for any posts marked "community wiki" do not generate reputation.)
This is a previous question about what community wiki's are suppose to be:
What are "Community Wiki" posts?
They were intended to not build reputation. Here is the answer information from that question:
Why have Community Wiki posts?
One of the goals of Stackoverflow is
to be a continually evolving source of
good information. Community Wiki
posts help enhance the wiki aspect
of the site.
How do Community Wiki posts work?
Community Wiki posts work by
transferring ownership of the post
from the original author to the
community. They make the post easier
to edit and maintain by a wider group
of users, but they do not contribute
to any user's reputation. Community
Wiki posts are marked as community
Some of the key features are:
- Community Wiki posts are owned by the Community User, not by any
- A much lower reputation is needed to edit a community wiki post.
- Voting on a community wiki post (up or down) does not affect any user's
- The original author still gets badges based on community posts.
- The original author keeps the reputation gained (or lost) before
their post entered community mode.
How does a post become a Community Wiki post?
There are several ways a question or
answer can enter community wiki mode,
and most of these ways will occur
automatically based on the rules of
Posts enter community wiki mode when:
- The body of the post has been edited by four different people.
- The post has been edited six times by the original owner.
- The post's author checks the community wiki checkbox when composing the question or answer.
- The post is edited by its original author, who when doing so opts to
check the community wiki.
- The question generates more than 30 answers. In this case, the question
and all answers will enter community
mode, as will any future answers.
* note that the rules outlined
above are based on observations; the
actual behavior of SO is subject to
change without notice, and may well
have done so since this was last
- There is no way to reclaim your post back from community wiki mode. This
is to prevent exploits and gaming of
- Rollbacks do not reverse any of the community wiki mode calculations.