Yeah. Decade ago or more I could say that I know it (well, more or less...) but not now, no way! just some bits here and there, haha 😉 Glad you enjoyed it. It really can be useful in some certain (very harsh) situations, when the image is ruined or you dont access splendid .raw file format sources...
And TNKS a lot for the compliment! I appreciate it a lot, especially from a power-user like you are.