> For the complete documentation index, see [llms.txt](https://emacs-lisp.ivory.cafe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emacs-lisp.ivory.cafe/bian-liang/untitled-1-1/12.10.1-dong-tai-bang-ding.md).

# 12.10.1 动态绑定