update dead link to Emacs manual with new link

2ecf08bd · Dirk Farin · 0527be10 · 2ecf08bd
隐藏空白更改
内联并排

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 ###Emacs

-* [GNU Emacs Manual, 16th Edition, v. 22](http://shop.fsf.org/product/gnu-emacs-manual-16th-edition/)
+* [GNU Emacs Manual, 17th Edition, v. 24.2](http://shop.fsf.org/product/Emacs_Manual_24/)
 * [An Introduction to Programming in Emacs Lisp, 3rd Edition](https://www.gnu.org/software/emacs/manual/html_node/eintr/index.html)