[plt-dev] Release Announcement for v4.2.3, second call

On Nov 25, 2009, at 5:48 PM, Kathy Gray wrote:

> 
> On 25 Nov 2009, at 10:46:18, Matthias Felleisen wrote:
> 
>> 
>> On Nov 25, 2009, at 5:35 PM, Eli Barzilay wrote:
>> 
>>> I still need this...  (BTW, these items come from commit messages, so
>>> there might be things that I missed.)
>>> ----------------------------------------------------------------------
>>> 
>>> * added support for changing toolbar buttons based on the #lang
>>> line, use that for #lang scribble/base
>>> 
>>> * 2htdp/universe stuff
>> 
>> nothing
>> 
>> 
>>> * Adding check-member-of and check-range
>> 
>> The unit test framework for the teaching languages provides
>> mechanisms for checking 'random' "functions", i.e., "functions"
>> that may produce several different results for one and the
>> same argument.
>> 
> 
> Shouldn't we list the new constructs so that they're easier to find in the docs?

Yes, add "(check..., check...)" between mechanism and for.