Migrating dmd to D?

[Walter Bright]

On 3/1/2013 7:46 PM, Denis Koroskin wrote:
> I'm no copyright lawyer, but I think ddmd being a derivative work from dmd
> should probably inherit the license from it

It does indeed. But the derived part of the work can be any license the author 
chooses.

 > If someone is willing to bring the project back from it's stale state - I'm
 > more than willing to help (by both writing patches and explaining how the
 > existing code works).

Sadly, your efforts will be wasted without getting a license from the author.

If you want anybody else to use your code, you cannot ignore this issue.