9/14/2023 0 Comments Undo command macYou can control how many it keeps by customizing option ‘undo-limit’. When there is an active region, SelectiveUndo is performed on the region.īy default, Emacs keeps only a few dozen undo entries. This is like ‘undo’, but will not redo changes you have just undone. On the other hand, if you want to resume undoing, without redoing previous undo commands, use ‘M-x undo-only’. Therefore, to re-apply changes you have undone, type ‘C-f’ or any other command that harmlessly breaks the sequence of undoing then type ‘C-/’ to undo the undo command. Starting from that moment, the entire sequence of undo commands that you have just performed are themselves placed into the undo record, as a single set of changes. Any command other than an undo command breaks the sequence of undo commands. If all the recorded changes have already been undone, the undo command signals an error. Quoting the EmacsManual, Consecutive repetitions of ‘C-/’ (or its aliases) undo earlier and earlier changes in the current buffer. Undo changes in Emacs with ‘C-/’, ‘C-x u’ or ` C-_’.
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