[plt-scheme] PLanet should indicate which PLT version is required

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Sat Mar 1 12:24:15 EST 2008

This is not rambling, this is a fair analysis of our negligence to  
pay proper attention to PLaneT during the transition.

Please don't give up yet. We'll be back soon -- Matthias

On Mar 1, 2008, at 10:12 AM, Doug Williams wrote:

> This is a still a real problem.  I personally am not updating my  
> packages on PLaneT with anything that is not compatible with v3  
> because I have people outside this core community using them is a  
> semi-production setting and they are using the released version of  
> DrScheme.  I am reluctant to push them - and in some cases I don't  
> even know who they are - to upgrade to v4 because it is still pre- 
> release software.  [However, some of them need to upgrade to v4  
> because it fixes a major problem in v372 with large memory  
> footprint programs.  BTW, Matthew, would it be possible to make a  
> patch to v372 with the 'ephemeral' object change you made to help  
> DrScheme memory usage?]
> I've worked hard to get PLT Scheme accepted as an analysis tool on  
> some of the (distributed, multi-organization) projects I'm working  
> on.  Most had been using Matlab or Python.  [I'll probably never  
> win over the hardcore Matlab users, but the Python users are a  
> different story.]  But, we're at the weird juncture between  
> versions and I don't think it's being handled in a way that is  
> particular beneficial to the end users of the system - i.e. users  
> of systems developed in PLT Scheme as opposed to users of PLT  
> Scheme itself.
> I know there is reluctance to do so, but we really need separate v3  
> and v4 PLaneT repositories.  One major advantage of v4, alluded to  
> above, is that I can actually run large analysis programs more than  
> a couple times without crashing - and they run faster.  [Of course  
> if that were the only advantage there would be no v4, just a  
> patched v3.]  Obviously, v3 has the advantage of stability - and  
> all of my packages run there.  Being able to ensure that end users  
> can reliably run code with PLaneT packages in either v3 or v4 is  
> very important.
> Sorry for rambling,
> Doug
> On Fri, Feb 29, 2008 at 8:53 AM, Eric Hanchrow <offby1 at blarg.net>  
> wrote:
> Do you suppose the PLaneT web site could tell us if a given .plt  
> package
> requires PLT v4 as opposed to v3?  I ask because, in the last few  
> days,
> a new package showed up (sorry, I can't remember which), and it only
> worked with v4, but I had to discover that fact by trial and error.
> --
> Don't fall into the trap of writing everything as though it
> were a cell phone text message.
>        -- Karl Fogel, "Producing Open Souce Software"
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