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).

Robby

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