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

[tsbockman via Digitalmars-d]

On Saturday, 23 January 2016 at 20:07:48 UTC, karabuta wrote:
> On Friday, 22 January 2016 at 04:30:33 UTC, tsbockman 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.
>>
>> [...]
>
>
> Well, it's a big issue for me :)

Then I guess D must be in great shape :-D