Setting array length to 0 discards reserved allocation?

[Andrew Godfrey via Digitalmars-d]

fyi, here's what I have so far.
I haven't yet added the cross-references we talked about at the
start of the thread. I'll be away for a few weeks soon, so
won't have much more time until after that.

I'm hoping this link is public. It seemed public:

https://github.com/AndrewGodfrey/dlang.org/commit/463b5656151616e2a164ad414cf2bd61d1b84beb