Should out/ref parameters require the caller to specify out/ref like in C#?

[Nick Sabalausky (Abscissa) via Digitalmars-d]

On 05/28/2017 03:06 PM, Meta wrote:
> 
> If you didn't know that the 
> function takes its parameters by ref or out... You're should've RTFM.

That's the same reasoning that's been used to excuse just about every 
API blunder in C's infamously unsafe bug-riddled history.