> 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/2017/01/26.md).

# 26

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MSkNySrNrtYUp60xIiP%2F-MSkOV7B-F60lrI683cG%2Fimage.png?alt=media\&token=fa0d5dc0-2c89-4218-b89c-5b429b0971cd)