DIP61: redone to do extern(C++,N) syntax

[Brian Schott via Digitalmars-d]

On Monday, 28 April 2014 at 01:18:04 UTC, Walter Bright wrote:
>> This is the new grammar?
>>
>> LinkageAttribute:
>>     'extern' '(' identifier '++'? (',' identifier)? ')'
>
> You can also have N.M

I've updated the DIP page to include documentation of the change 
to the language grammar.