missing HexString documentation

[Mike Franklin]

On Thursday, 8 February 2018 at 00:25:21 UTC, H. S. Teoh wrote:

>> hexString is in Phobos, and druntime can't use Phobos.
>
> Should templates like octal and hexString be in druntime 
> instead?

IMO, no.  I think the interdependencies between the compiler, 
druntime, phobos, and even the packages contained within needs 
some remodeling.  I posted some of my initial thoughts here:  
https://forum.dlang.org/post/wvmgimzlwuwywxhhyhpi@forum.dlang.org

Mike