overcomming inconsistent behaviour of format for array

[rikki cattermole]

On 27/12/2019 2:03 AM, berni44 wrote:
> On Thursday, 26 December 2019 at 12:31:25 UTC, rikki cattermole wrote:
>> Why would this need a DIP?
>> There are no language changes described in your post.
> 
> OK. I just thought, because it will be breaking code and should be 
> supported by the community? Also deprecating the current behaviour seems 
> not so easy and I think it would be best to have some transition switch 
> for the compilers (like with complex). But if that's not enought, to 
> have a DIP, it's fine for me too. :-)

With changing formattedWrite, we have to consider printf for what we 
support. This isn't about D, its about historical (and current) C code 
unfortunately.