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

[David Nadlinger]

On Monday, 12 February 2018 at 22:35:23 UTC, Walter Bright wrote:
> I take it dstep spawns the clang compiler?

It embeds the Clang frontend, which is designed to be usable as a 
library.

  — David