Perhaps Microsoft's recent move towards open source might might thinks easier - as far as I can tell there are far too many copyright issues with the _entirety_

Perhaps Microsoft's recent move towards open source might might thinks easier - as far as I can tell there are far too many copyright issues with the _entirety_ of the windows source code for a complete open sourcing there, but they could perhaps open up core parts of the codebase. Imagine Microsoft engineers contributing to wine also. Perhaps I am dreaming :)