proposal: heredoc comments to allow `+/` in comments, eg from urls or documented unittests

[Kagamin]

On Friday, 9 February 2018 at 08:54:09 UTC, Timothee Cour wrote:
> * `/* */` should never be used
Not a single reason for that

> * properly nested `/+ +/` indeed don't cause issues
Disproved two times in this thread. Anyway nothing properly done 
causes issues.

> * unrestricted code (eg foreign code or unfinished D code 
> commented
> out) also cause issues
Superficial