[plt-dev] (fail) Re: Pre-Release Checklist for v4.2.4

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Sat Jan 23 15:19:39 EST 2010

The change was that expansion lifts certificates to the top of the  
expanded form (i.e., a change to 'expand').

On Jan 23, 2010, at 11:48 AM, John Clements  
<clements at brinckerhoff.org> wrote:

> On Jan 21, 2010, at 5:07 PM, Eli Barzilay wrote:
>> Checklist items for the v4.2.4 release
>> (using the v4.2.3.900 release candidate build)
> Ug.  The stepper fails on (if true false true), and the problem is a  
> syntax certificate:
> compile: access from an uncertified context to unexported variable  
> from module: "/Applications/PLT Scheme v4.2.3.900/collects/lang/ 
> private/teach.ss"
> My guess is that this has to do either with
> a) a change to the expansion of 'if', or
> b) a change in the way syntax-recertify works, or
> c) a change in the inspector hierarchy that means that the stepper  
> no longer has a privileged enough inspector.
> I'm going to start digging, but if anyone knows whether any of these  
> has occurred, I'm all ears.
> Thanks,
> John
> _________________________________________________
>  For list-related administrative tasks:
>  http://list.cs.brown.edu/mailman/listinfo/plt-dev

Posted on the dev mailing list.