> 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/2016/12/24.md).

# 24

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MHQIi4YtWvDrl2gHIoz%2F-MHQIk9eK-8KVaIStVcO%2Fimage.png?alt=media\&token=150806c6-0667-4c41-8081-bf9ef74db711)