以后知道了再加吧

ctrl-alt-T：yjx之殇

快捷键

ctrl-x h：全选
ctrl-x 3：左右分栏
ctrl-x 1：还原1栏
ctrl-s：查找
alt-%：替换

配置

ctrl-x+ctrl-f :~/.emacs:
(global-set-key (kbd “C-a”) 'mark-whole-buffer)
(global-set-key (kbd “C-z”) 'undo)
(global-set-key (kbd “C-s”) 'save-buffer)
调整可撤销上限：kill-ring

diff

-b ：忽略空格
-B：忽略换行
-y ：左右分栏
-W 50 ：调整分栏间距