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

[tsbockman via Digitalmars-d]

On Thursday, 21 January 2016 at 23:25:01 UTC, Era Scarecrow wrote:
>  I have to wonder if it would be that bad, since if you're 
> aware of where it breaks (which source code) wouldn't a bulk 
> search/replace of the sources to resolve that?

It wouldn't be too bad, as such things go. But it also serves 
little practical purpose; why break people's code for purely 
aesthetic reasons?

>  Although I'll be honest, breaking code is never fun, and 
> making people scour their code to fix something that worked 
> before is just an annoyance. On the other hand I'm almost 
> tempted to suggest a tool that would update changes to source 
> code when some of these things happen, dealing with most of 
> these types of problems.

https://code.dlang.org/packages/dfix