What happened to the alias this = identifier syntax in 2.062?

[Michael]

> There is no justification for this.
>
> I guess the main issue is that alias blah this; shouldn't have 
> made it into the grammar in the first place. But this was 
> obviously done in order to establish a broken analogy to the 
> other uses of alias. Either alias this=blah; must be kept or 
> the alias this syntax should be deprecated in favour of a 
> specially named member function.

+1