[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

Thanks, I was close, but somehow missed these files. Now I just 
have to learn the syntax of .dd files.

[..]
> Oh... you mean someone wrote a book?

I took it from http://digitalmars.com/d/2.0/dlangspec.mobi and it 
seems to be generated from Github files you mentioned.