vi - Vim Undo command (the one with the with capital U) -

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i don't understand how undo line command works.

the documentation says undo latest changes on 1 line.

what definition of all latest changes here.

one behaviour have noticed u undoes writes after first write on line. not consistent. example when open new file edit first line, writing multiple times, u command undoes every single change.

i haven't been able find concrete google searches either..

in understanding all latest changes means going change history until change in different line encountered, , stop there. if start empty buffer , edit 1 line (repeatedly), additions wiped u.

vim merges near changes occurring in same line; these appear single entry in :changes.


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