Emacs: Jump to Previous Position
There are 3 ways to jump cursor to a previous position.
exchange-point-and-mark【Ctrl+x Ctrl+x】 → Move cursor to the other end of selection.
- 2. Press 【Ctrl+u Ctrl+Space】 → Move cursor to previous marked position of current buffer.
pop-global-mark【Ctrl+x Ctrl+Space】 → Move cursor to previous marked position. (may be in another buffer)
Call any one of the above repeatedly will return cursor to the position you began.
Following are details.
exchange-point-and-mark 【Ctrl+x Ctrl+x】
This moves cursor to previously marked position, and activate selection (highlight it)
This is most useful when you already have a selection, and want to extend or shrink the other end.
Move Cursor to Previous Mark in Current Buffer
- First, mark the position you want to jump to, by
set-mark-command【Ctrl+Space】. (press 【Ctrl+Space】 a second time to remove the highlight (or press 【Ctrl+g】).)
- Scroll down a few times.
- Press 【Ctrl+u Ctrl+Space】 to jump to previous mark in current buffer.
Move Cursor to Previous Mark, Any Buffer
pop-global-mark 【Ctrl+x Ctrl+Space】. This one cycles global-mark-ring.
mark-ring, global-mark-ring, pop-global-mark
Emacs store cursor positions and let you jump to it quickly.
There are 2 mark ring variables:
- mark-ring. Each buffer has its own copy.
- global-mark-ring. This is global.
by default, each mark ring keep 16 positions. As new mark is set, oldest is removed.
you can make it store less positions for better use of jump.
(setq mark-ring-max 6) (setq global-mark-ring-max 6)
here's commands to jump to marks.
- 【Ctrl+u Ctrl+Space】 → jump to previous mark in current buffer. This one cycles mark-ring.
pop-global-mark【Ctrl+x Ctrl+Space】. This one cycles global-mark-ring.
Try set marks in different places, then try one of the above command repeatedly.
Tip: Single Key to Cycle Thru Marks
You can set single key to cycle thru marks, such as F7.
;; single key to jump thru marks (defun xah-pop-local-mark-ring () "Move cursor to last mark position of current buffer. Call this repeatedly will cycle all positions in `mark-ring'. URL `http://ergoemacs.org/emacs/emacs_jump_to_previous_position.html' version 2016-04-04" (interactive) (set-mark-command t)) (global-set-key (kbd "M-7") 'pop-global-mark) ; Meta+7 (global-set-key (kbd "M-8") 'xah-pop-local-mark-ring) ; Meta+8
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