What does q{...} mean?

[Namespace]

On Monday, 24 February 2014 at 11:41:41 UTC, Gary Willoughby 
wrote:
> I keep seeing this syntax used a bit and i'm stumped to what it 
> means. What is it?
>
> enum foo = q{
>    // ???
> };

http://dlang.org/lex.html#DelimitedString