[plt-scheme] [PLT Scheme] SLIB again, and Schelog

John, would you mind checking Schelog into our core? Dorai is cc'ed. I  
think that among Sam, Jay, you and I we can maintain Schelog.

-- Matthias





On Apr 22, 2010, at 5:09 AM, John Clements wrote:

>
> On Apr 22, 2010, at 1:06 AM, John Sampson wrote:
>
>> Hello -
>>
>> I see a query about SLIB was posted a week ago, but there was no  
>> comment.
>>
>> At http://people.csail.mit.edu/jaffer/SLIB there is an announcement  
>> that version
>> 4.1 of PLT Scheme does not run any version of SLIB.
>>
>> I don't know about subsequent versions of PLT Scheme or the reason  
>> for this schism.
>> I assume it also applies to Schelog which is bundled with SLIB - at  
>> any rate running
>> Schelog.scm on mzscheme in the current version gives the error  
>> message:
>>
>> "default-load-handler: expected a `module' declaration for  
>> `schelog', found: something els
>> e in: #<path:C:\schelog\schelog.scm>
>>
>> === context ===
>> standard-module-name-resolver"
>>
>> The Schelog website lists mzscheme as an implementation Schelog  
>> runs on, but this is
>> evidently now broken.
>
> Schelog in particular doesn't appear hard to fix.
>
> Attached please find a hack job of fixing it; it runs on the most  
> recent version of PLT.
>
> 1) I've verified that loading 'games.scm' and evaluating (solve- 
> puzzle %games) produces the correct result.
>
> 2) If anyone else is interested, I'll add #lang and require to the  
> other examples and post it to planet.
>
> 3) The simplest way to fix the commented-out-and-non-functional  
> syntax-rules versions of the macros was just to make them non- 
> capturing, by requiring every use of %rel and %cut-delimiter to  
> explicitly include the "!" token.  Richard Kelsey would be happy.
>
> 4) Since it hasn't been updated since 2003, it's probably unlikely  
> to quickly get out of sync with the "main line" version.
>
> John Clements
>
> <schelog.tgz>
>
>
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