<div dir="ltr"><div class="gmail_default" style="font-family:times new roman,serif;font-size:large">Yes, that's what I thought you meant , but I wasn't sure. Technically Scheme48 (one year older than Gambit) is still usable, but it's not under development.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 27, 2023 at 6:16 PM Marc Feeley <<a href="mailto:feeley@iro.umontreal.ca">feeley@iro.umontreal.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Oh I understand now that you question refers to this on the website: First released in 1988, Gambit is the third-oldest Scheme implementation still in use.<br>
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I would say<br>
<br>
1) MIT Scheme<br>
2) Chez Scheme<br>
3) Gambit<br>
<br>
Marc<br>
<br>
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> On Jul 27, 2023, at 6:14 PM, Marc Feeley <<a href="mailto:feeley@iro.umontreal.ca" target="_blank">feeley@iro.umontreal.ca</a>> wrote:<br>
> <br>
> The oldest was Rabbit, when Steele/Sussman invented Scheme. Second was probably MIT Scheme. Perhaps third was Scheme 84 from Indiana. Then it gets complicated (i.e. when is an implementation actually “born”).<br>
> <br>
> Marc<br>
> <br>
> <br>
> <br>
>> On Jul 27, 2023, at 5:43 PM, John Cowan <<a href="mailto:cowan@ccil.org" target="_blank">cowan@ccil.org</a>> wrote:<br>
>> <br>
>> MIT must be the oldest. What is the second oldest?<br>
>> <br>
>> On Thu, Jul 27, 2023 at 3:30 PM Marc Feeley <<a href="mailto:feeley@iro.umontreal.ca" target="_blank">feeley@iro.umontreal.ca</a>> wrote:<br>
>> For those not on the Gambit gitter... Gambit v4.9.5 was released yesterday. You can get it from the github repo, or from <a href="https://gambitscheme.org" rel="noreferrer" target="_blank">https://gambitscheme.org</a> .<br>
>> <br>
>> Marc<br>
>> <br>
>> <br>
>> <br>
>> <br>
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>> <br>
> <br>
> <br>
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</blockquote></div>