What exactly are the rules of governance of the development of D?

[Justin Johansson]

Justin Johansson wrote:
> Walter,
> 
> For the benefit of others contributing to this newsgroup and myself,
> would you please explain just exactly how the development of the D
> programing language is governed from both a legal and transparency
> perspective.
> 
> This is just a casual question that me thinks many people
> would appreciate a reminder and clarification of.
> 
> Regards,
> Justin Johansson

Oh, please don't inadvertently read in any criticism from my part.
Just wanting to better understand D governance matters from this side
of the newsgroup. :-)  Justin J.