[plt-dev] PLaneT Question

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Wed Jun 2 11:30:45 EDT 2010

On Wed, Jun 2, 2010 at 9:13 AM, Doug Williams
<m.douglas.williams at gmail.com> wrote:
> If I have created (or updated) a PLaneT package that uses the new Racket
> names (i.e., #lang racket, .rkt extensions, etc.), will that still be
> loadable in V4? It would seem not, but I haven't tried it.

Right: cannot.

> Assuming that it
> cannot, should there be a V5 repository (i.e., a package in the V5
> repository can only be loaded into Racket, but Racket can use V4 or V5
> packages)?

A new repository would imply that all Racket programs are incompatible
with version 4.0, but that's not the case, so I just extended the
existing 4.x repository to allow 5.x version numbers too.

> In lieu of that, should we restrict packages using the Racket
> language by using (define required-core-version "5.0")?


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