[plt-scheme] If With No Else and Other Changes

I would vote for a separate repository for V4.  If nothing else, it lets the
collection authors explicitly specify that their collection is V4
compatible.

On Thu, Jan 31, 2008 at 9:51 AM, Robby Findler <robby at cs.uchicago.edu>
wrote:

> This has been something we've been discussing internally. Currently
> people seemed to think that keeping a single repository for both v3xx
> and v4.x is a good idea.
>
> I'm not too sure myself, but I think that in the case below, the way
> to go is to make a major version increment when you add v4
> compatibility and then set a version requirement on that new major
> version.
>
> Implicit in this is the observation that once you start using v4
> goodies (like #lang, etc) you cannot keep v3xx compatibility.
>
> Robby
>
> On Jan 31, 2008 10:46 AM, Doug Williams <m.douglas.williams at gmail.com>
> wrote:
> > I'm not sure if others are as confused as me, but for someone with
> > substantial sized collections in PLaneT that wants a smooth migration to
> V4
> > without breaking V3.72 it isn't 'obvious' how to do this in the context
> of
> > PLaneT.  Should we use the new languages (like scheme or scheme/base or
> > scheme/gui)?  If we do so, will we break our packages in V3.72 (which is
> > definitely not a good thing to do)?  Should we continue to use the
> mzscheme
> > language until the transition is complete?  Should we maintain two
> version
> > of our collections - one for V3.72 (distributed via PLaneT) and another
> for
> > V4 (distributed by some other mechanism)?  I'm already having to
> maintain
> > separate documentation mechanisms across the two as we go to Scribble
> and I
> > haven't seen how we're going to smoothly merge these across the V3 -> V4
> > boundary.  This is probably enough of a list for now.
> >
> > Doug
> >
> >
> >
> > On Wed, Jan 30, 2008 at 2:40 PM, Robby Findler <robby at cs.uchicago.edu>
> > wrote:
> > > Sorry for not writing this in my first reply.
> > >
> > >
> > > On Jan 30, 2008 2:34 PM, Doug Williams <m.douglas.williams at gmail.com>
> > wrote:
> > >
> > > > What other constructs might bite us?
> > >
> > > See plt/doc/release-notes/mzscheme/MzScheme_4.txt.
> > >
> > > hth,
> > > Robby
> > >
> >
> >
>
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