Why do some attributes start with '@' while others done't?

[rsw0x via Digitalmars-d]

On Friday, 22 January 2016 at 04:30:33 UTC, tsbockman wrote:
> On Friday, 22 January 2016 at 02:13:56 UTC, Ola Fosheim Grøstad 
> wrote:
>> [...]
>
> I don't necessarily disagree with your overall point, but I 
> think the question of whether a few attributes have an @ 
> attached to them or not ranks pretty low on the list of "70% 
> solutions with marginal support" that need fixing/fleshing out. 
> If this is truly among the most pressing issues with D, then D 
> must be in great shape.
>
> It seems like poor allocation of resources (both those of the D 
> development team, and those of the D users who would be forced 
> to update their code) to put much effort into this right now, 
> when there are so many other issues of greater practical import 
> to work on.

It's just another straw on the 'language being woefully 
underdefined/unimplemented' camel right next to shared, SafeD, no 
defined memory model, etc. What are we plebs supposed to do about 
such things besides wait around for Walter or Andrei to address 
it?