Why do some language-defined attributes have @ and some not?

[Paolo Invernizzi via Digitalmars-d-learn]

On Friday, 24 October 2014 at 00:37:26 UTC, Mike Parker wrote:
>
> There are people out there using D who do not participate in 
> the newsgroups. Walter has told us before that he gets emails 
> from companies using D in production. He has to deal with 
> complaints about code breakage that we aren't going to see here 
> in the NG. Just keep in mind that no matter how many of us here 
> agree on a breaking change, we are not the entirety of the D 
> user base. And it has nothing to do with Reddit.

I think that Walter talked about emails complaining about "silent 
breakage" or "regressions", and that's a totally different matter.

To be honest, I only remember that he talked about one single 
case, but maybe I'm wrong.
And I don't remember any complain about code deprecations.
---
/Paolo