tree 188f8a620d3de8cd014a67711a7376f0b89065c1
parent 1f004f039a080dda0f7955e1bca8488fc7815daa
author Mitchell Hashimoto <mitchell.hashimoto@gmail.com> 1373758579 +0900
committer Mitchell Hashimoto <mitchell.hashimoto@gmail.com> 1373758579 +0900

Metadata can track used keys and unused keys