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patch 9.0.1921: not possible to use the jumplist like a stack

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Problem:  not possible to use the jumplist like a stack
Solution: Add the 'jumpoptions' setting to make the jumplist
          a stack.

Add an option for using jumplist like tag stack

related: #7738
closes: #13134

ported from NeoVim:

- https://neovim.io/doc/user/motion.html#jumplist-stack
- neovim/neovim@39094b3
- neovim/neovim#11530
- https://vi.stackexchange.com/questions/18344/how-to-change-jumplist-behavior

Based on the feedback in the previous PR, it looks like many people like
this option.

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Co-authored-by: butwerenotthereyet <58348703+butwerenotthereyet@users.noreply.github.com>
This commit is contained in:
Yegappan Lakshmanan
2023-09-20 20:20:04 +02:00
committed by Christian Brabandt
parent 98e68c07ce
commit 87018255e3
12 changed files with 163 additions and 3 deletions
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39
runtime/doc/motion.txt
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@ -1135,7 +1135,46 @@ When you split a window, the jumplist will be copied to the new window.
If you have included the ' item in the 'viminfo' option the jumplist will be
stored in the viminfo file and restored when starting Vim.
*jumplist-stack*
When 'jumpoptions' option includes "stack", the jumplist behaves like the tag
stack. When jumping to a new location from the middle of the jumplist, the
locations after the current position will be discarded. With this option set
you can move through a tree of jump locations. When going back up a branch and
then down another branch, CTRL-O still takes you further up the tree.
Given a jumplist like the following in which CTRL-O has been used to move back
three times to location X: >
jump line col file/text
2 1260 8 mark.c <-- location X-2
1 685 0 eval.c <-- location X-1
> 0 462 36 eval.c <-- location X
1 479 39 eval.c
2 213 2 mark.c
3 181 0 mark.c
<
jumping to (new) location Y results in the locations after the current
locations being removed: >
jump line col file/text
3 1260 8 mark.c <-- location X-2
2 685 0 eval.c <-- location X-1
1 462 36 eval.c <-- location X
>
<
Then, when yet another location Z is jumped to, the new location Y appears
directly after location X in the jumplist and location X remains in the same
position relative to the locations (X-1, X-2, etc., ...) that had been before
it prior to the original jump from X to Y: >
jump line col file/text
4 1260 8 mark.c <-- location X-2
3 685 0 eval.c <-- location X-1
2 462 36 eval.c <-- location X
1 100 0 buffer.c <-- location Y
>
<
CHANGE LIST JUMPS *changelist* *change-list-jumps* *E664*
When making a change the cursor position is remembered. One position is