The kind of documentation people like

[Denis Koroskin]

On Wednesday, 6 March 2013 at 08:17:58 UTC, Walter Bright wrote:
> http://www.reddit.com/r/programming/comments/19npsp/developers_may_be_getting_as_much_as_50_of_their/
>
> What I get from this is that people really like PHP's 
> documentation style where users can add to it.

For what it's worth, MSDN has something like that, too, but 
without a voting system.