Okay, this might now be done. You should be able to install it using 

raco pkg install simply-scheme

OR you can use the package manager from within DrRacket.

MAJOR disclaimer: I am not a user of Simply Scheme, and this package does not 
appear to include any tests.

However, it appears that 

(+ “40” 2)

does evaluate to 42, and 

(random 34)

evaluates to different numbers on subsequent runs. That’s about all I know to 
test ….

Let me know if you have any questions or problems with it.

John Clements

(and now I’m yet another hour behind on my grading… If only I still had an 
advisor to tell me to stop wasting time on these things.)

> On Oct 22, 2017, at 18:50, Josh Paley <josh.pa...@gmail.com> wrote:
> 
> While I appreciate the level of detail that Stephen provided, I am absolutely 
> slammed and don't know github usage, so what looks smallish to you (and 
> probably would be for me if I were better educated on the system) is looking 
> mighty large to me.  In terms of the fix, what needs to change is that there 
> is code in simply.scm that needs to be commented out; everything else remains 
> as it originally was.  And the code is actually documented within simply.scm: 
> it says to remove the RANDOM code if the underlying interpreter supports it 
> (which is the case here) and that's it.
> 
> The version of Scheme this was designed for was at UC-Berkeley.  It wouldn't 
> surprise me if there was some common ground with MIT Scheme, but I don't know 
> for sure.
> 
> I do plan to learn github at some point, but I'm kind of stuck at the moment. 
>  If it only took an evening from where I am right now, I'd do this, but my 
> lack of familiarity with the overall system has me very uncomfortable.
> 
> On Sun, Oct 22, 2017 at 1:49 PM, Robby Findler <ro...@eecs.northwestern.edu> 
> wrote:
> On Sun, Oct 22, 2017 at 3:34 PM, Stephen De Gabrielle
> <spdegabrie...@gmail.com> wrote:
> > I don’t think packages on PLaneT can be updated but I may be wrong.
> 
> They can be updated, but I would recommend that, instead of updating
> them, you move them to pkgs, as Stephen suggests.
> 
> (Of course, if you know people are using them and they cannot easily
> change your code, please do update the planet version! But in any
> other situation, I'd recommend abandoning them.)
> 
> Robby
> 
> 
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