> 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/2017/01/07.md).

# 07

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MHTSsyh923ujM9ljnqG%2F-MHUatTdSZV25hGA_AK_%2Fimage.png?alt=media\&token=f711116a-276e-4e8c-bde9-7b8fee20efc7)