Replace core language HexStrings with library entity

[Walter Bright via Digitalmars-d]

On 3/17/2015 9:39 AM, Baz wrote:
> On Sunday, 15 March 2015 at 21:40:02 UTC, Walter Bright wrote:
>> On 3/15/2015 2:34 PM, Walter Bright wrote:
>>> P.S. Also need to include all the examples in the dlang reference as unittest
>>> cases.
>>
>> Also, HexStrings can handle w and d postfixes. Use the lexer.c code for
>> TOK::hexStringConstant() as a guide to be sure all the permutations are covered.
>
> Hi, i propose this:
>
> https://github.com/D-Programming-Language/phobos/pull/3058
>

Thanks!