Better docs for D (WIP)

[bachmeier via Digitalmars-d-announce]

On Tuesday, 5 January 2016 at 15:54:24 UTC, Andrei Alexandrescu 
wrote:

> The text is imprecise, e.g. an equivalent call to `sort` really 
> is `sort!((a, b) => less(transform(a), transform(b))`. All that 
> detail needn't be present in the first paragraph, so there's a 
> bit of an art in how you formulate simple sentences that are at 
> the same time correct and informative.

That explanation is better than what I had.

> The second paragraph used to be the first (and only) one. Now 
> it doesn't flow from the first one, it's jarring.

I left as much of the previous text as possible. I assumed that 
would create the least resistance to my changes.

Thanks for the review. I will make these changes when I have a 
lengthy block of free time.