Re: [TCLCORE] cvs head incompatibility in var/ns lookup.

[miguel s. <mi...@ut...>]

miguel sofer wrote:
> Vince Darley wrote:
> 
>> I notice that the latest cvs head has an incompatibility in the whole
>> variable resolution process which, while it doesn't (apparently) break 
>> any
>> of the test suite, does break a lot of code that I'm exposed to.  The
>> basic incompatible change is that this:
>>
>> namespace eval foo {}
>>
>> proc foo::bar {} {
>>     global foo::name
>>     set foo::name 1
>> }
>>
>> foo::bar
>>
>> ->"can't set "foo::name": parent namespace doesn't exist"
>>
>> throws the above error, which it never used to throw -- in fact the above
>> code worked fine (minus 'namespace') from Tcl 7.x through 8.5a1.  But now
>> in 8.5a2 it throws an error.
> 
> 
> This is a bug, not by design. Will fix or revert. Sorry.
> 
>>
>> I would like to raise the fact that this change has been made and ask 
>> that
>> some proper discussion take place of what behaviour ought to be 
>> documented
>> and what behaviour ought to be backwards compatible before 8.5 is
>> finalized.  While the previous behaviour may not have been documented
>> very clearly, it did have the benefit of working!

I have opened bug ticket #959786 to record the discussion of this issue 
(https://sourceforge.net/tracker/index.php?func=detail&aid=959786&group_id=10894&atid=110894)

Miguel