[dox] Add 256-bit SIMD types to Vector Extensions chapter of D Programming Language Specification

[Paul Jurczak]

On Monday, 19 August 2013 at 07:36:42 UTC, Iain Buclaw wrote:
[..]
> Documentation source is hosted here:
> https://github.com/D-Programming-Language/dlang.org

I submitted my first pull request on Github. Is this the way to 
go about documentation issues, which are pretty straightforward 
(no lengthy debate needed)?