Replace core language HexStrings with library entity

[Daniel Murphy via Digitalmars-d]

"Nick Treleaven"  wrote in message news:me950a$2boc$1 at digitalmars.com...

> On 17/03/2015 03:28, Andrei Alexandrescu wrote:
> > On a higher level: there's no subset of the language that's at the same
> > time sufficiently complex and sufficiently obscure to make its removal a
> > net positive.
>
> q"" delimited strings. No one uses them (used once in all of Phobos). They 
> are obscure and add some complexity to lexing D.

They don't have a high complexity though, and that's the point.  The amount 
of code in the compiler to support them is trivial.