Proposal for Deimos documentation

[Jens Mueller]

Jacob Carlborg wrote:
> On 2013-03-21 15:35, Jens Mueller wrote:
> 
> >My bad. The sentence does not belong there. It belongs to "Tag the
> >library version". Though I'm not sure how to do this yet.
> >Will fix. Thanks.
> 
> Perhaps we could create list that maps C defines to D versions.
> Example, for Mac OS X the __APPLE__ define is used, in D what would
> be version(OSX).

That would be very helpful. But these are not portable in C, right?
Anyway I should add a link to D versioning and some example.

Jens