> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2017/01/10.md).

# 10

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MSkIbpTNHh_pATYi7wS%2F-MSkIok1tIOBKwqhtPhV%2Fimage.png?alt=media\&token=96f2327b-6a13-494e-aa0a-7d9d8a0f113a)