What is a "pull request"?

[skeptical]

In article <fnowiixgzpanettkebjp at forum.dlang.org>, public at kyllingen.net says...
> 
> On Saturday, 11 May 2013 at 06:07:39 UTC, skeptical wrote:
> >
> >
> > What is a "pull request"? Thank you.
> 
> 
> https://help.github.com/articles/using-pull-requests

I asked you, you tell me. I don't follow links anymore. I am beyond that. So why 
don't you shush (I'm known to say it worse) if "you nothing to add"? (Bitch).