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

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
>
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