[plt-scheme] error message for case-sensitivity

>>>>> "Matthias" == Matthias Felleisen <matthias at ccs.neu.edu> writes:

Matthias> My 12 year old just practiced some Scheme (second time) and I noticed
Matthias> how he spelled (draw-solid-disk ...) as (Draw-solid-disk ...). There
Matthias> were about 10 lines in his definition window, and he had added five
Matthias> since the last time he had clicked on execute. I was hoping to see how
Matthias> he'd react to the error message. Just before he was about to click on
Matthias> execute again, he said "oh, I see a mistake" and fixed it, to my
Matthias> disappointment. After thinking about it for a while, I realized that
Matthias> his 4th grade lessons in non-spelling had paid off. He goes to one of
Matthias> those American public schools that find it fashionable to focus on
Matthias> capitalization when it comes to spelling and nothing else. So seeing a
Matthias> capital letter scared him and he went lower case.

Doesn't happen in Germany (spotting the problem, that is), even though
the language is much more fussy about capitalization.
Case-sensitivity is one of the real killers for beginners in my
classes,

-- 
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla