I thought it was pretty clear that the author was writing this just for himself. As he's the only user, why not change his perspective? Like I said, apply the principle of laziness in the most efficient manner. :grin:

As for forcing users to use R to stand for Thursday, schools (well, tertiary, not secondary) across the country do it already. It's not exactly a sudden change. It generates a more consistent user interface (all days are one char). If you want to use multiple-char days, why not just go to all 2-char or all 3char?

On a grand scale, putting the complexity into the program rather than in the interface is a good thing (from a user persective, at least). Yet would you truly paint all problems with the same brush?