Final by default?

[Sean Kelly]

On Monday, 17 March 2014 at 10:25:26 UTC, Walter Bright wrote:
> On 3/17/2014 12:53 AM, Iain Buclaw wrote:
>> If it's in any relation to your comments in the PR, my opinion 
>> is that they are
>> irrelevant to to PR in question, but they *are* relevant in 
>> their own right and
>> warrant a new bug/PR to be raised.
>
>
> Here it is:
>
> https://github.com/D-Programming-Language/druntime/pull/741
>
> I think it shows it is very relevant to your PR, as in fact I 
> included your files essentially verbatim, I just changed the 
> package layout.

So I'd import "core.sys.ucontext.package" if I didn't want a
system-specific module (which should be always)?  Why this
approach and not publishing modules from somewhere into core.sys
on install?