emacs插入递增数字

The Keyboard Macro Counter

C-x C-k C-i

Insert the keyboard macro counter value in the buffer (kmacro-insert-counter).

C-x C-k C-c

Set the keyboard macro counter (kmacro-set-counter).

C-x C-k C-a

Add the prefix arg to the keyboard macro counter (kmacro-add-counter).

C-x C-k C-f

Specify the format for inserting the keyboard macro counter (kmacro-set-format).