[dlang library documentation] Why there are dlang.org/library and dlang.org/phobos?

[Seb]

On Monday, 22 January 2018 at 19:38:45 UTC, John Gabriele wrote:
> On Monday, 22 January 2018 at 15:32:29 UTC, Adam D. Ruppe wrote:
>> On Monday, 22 January 2018 at 15:18:38 UTC, Johann wrote:
>>> Maybe it's due to historical reasons.
>>
>> It's actually "future" reasons... the /phobos is the original 
>> one, and /library was supposed to replace it, but now many 
>> years later, /library is still kinda neglected and they both 
>> just exist.
>
> What's needed to remove the "/phobos" one? Is it a decision 
> from on-high, or is there a lot of editing of hardcoded links 
> required?

This discussion and the referenced news group thread should give 
insights:

https://github.com/dlang/dlang.org/pull/1526

BTW the fix for your issue is here:

https://github.com/dlang/phobos/pull/6055