Is this RDMD bug ?

[via Digitalmars-d-learn]

On Saturday, 23 August 2014 at 17:41:38 UTC, Dicebot wrote:
> On Saturday, 23 August 2014 at 17:37:39 UTC, sigod wrote:
>> On Saturday, 23 August 2014 at 17:32:15 UTC, Vladimir 
>> Panteleev wrote:
>>> No, it is not an rdmd bug.
>>>
>>> "etc" is a standard D package name reserved for Phobos, the 
>>> standard library. It is the same for "std" and "core".
>>
>> Please, point us directly to a documentation where it says 
>> that this words reserved.
>
> http://dlang.org/phobos/ ?
> (you don't expect to casually use package names "std" and 
> "core" either, do you?)

Why not? If I want to amend the standard library, e.g. for 
testing a module that's not yet present in my compiler version, 
or for fixing an error? I think it's useful to be able to 
override individual modules by placing a copy of them into your 
project's directory.