On Oct 7, 2011, at 4:27 AM, Robby Findler wrote: > On Thu, Oct 6, 2011 at 10:37 PM, Stephen Bloch <bl...@adelphi.edu> wrote: >> >> >> On Oct 6, 2011, at 4:35 PM, "John Clements" <cleme...@brinckerhoff.org> >> wrote: >> >>> If there's any disagreement, it's about what should happen when an existing >>> file--specifically, one that doesn't begin with #lang--is opened. Unless >>> I'm missing something, this means that the only time students will have to >>> "re-select" the language level is when they download a file that's intended >>> to be evaluated in a student language, but that doesn't have a #lang line >>> in it. Right? >>> >>> In my particular case, I had a program for students that reads in a rhythm >>> from a text file. The problem was that when students opened this text file >>> in a drracket editor and changed it a bit and saved it, all of a sudden >>> their rhythms came out as incredibly bizarre, because of the hidden first >>> lines of the text file. >> >> How about this: when you open an existing file that has no prologue or >> #lang, it opens in "text mode": the Check Syntax and Run buttons are both >> disabled. > > Another possibility: it could open in the 'not a language' language > that you get if this is the first time you've started drracket (if it > has been a while since you've seen this mode, you can move your > preferences out of the way and restart drracket to see it again).
Yes, this would definitely have avoided the problem my students encountered. I like this proposal. John
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