Mark the "literals" namespace as "inline"

[Howard Hinnant]

On Sep 28, 2013, at 3:39 PM, Marshall Clow <mclow.lists at gmail.com> wrote:

> We raised an issue to LWG that the namespaces std::literals::string_literals and std::literals::chrono_literals should not be inline.
> LWG resolved it as NAD (not a defect). Make libc++ match the standard. Add some tests to be sure.
> 
> -- Marshall
> 
> Marshall Clow     Idio Software   <mailto:mclow.lists at gmail.com>
> 
> A.D. 1517: Martin Luther nails his 95 Theses to the church door and is promptly moderated down to (-1, Flamebait).
>        -- Yu Suzuki
> 
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Thanks!  Please commit.

Howard