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

[Wyatt via Digitalmars-d]

On Friday, 22 January 2016 at 18:08:14 UTC, Ola Fosheim Grøstad 
wrote:
> That's just conditioning. If you are used to "BEGIN" and "END" 
> picking up braces takes time, same time the other way around.

BEGIN and END are still basically braces and they still serve in 
the capacity of a visual anchor for a block for humans.

> If you use single item per line and a proper IDE they aren't 
> really different. Python's indentation the same, but you need a 
> decent IDE that does proper re-indentation etc.

If you need an IDE to work comfortably in a language, something 
has clearly gone wrong.

-Wyatt