VsVim's implementation is very complete. http://visualstudiogallery.msdn.microsoft.com/59ca71b3-a4a3-46ca-8fe1-0e90e3f79329 http://visualstudiogallery.msdn.micr

VsVim's implementation is very complete. http://visualstudiogallery.msdn.microsoft.com/59ca71b3-a4a3-46ca-8fe1-0e90e3f79329 http://visualstudiogallery.msdn.microsoft.com/59ca71b3-a4a3-...