>Thanks. Its a good idea.
I think it helped me a lot, to avoid confusion and simplify programming.
Please note: I am assuming that you use buffering! That way, you can undo changes easily.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
