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diff --git a/05/undo.org b/05/undo.org new file mode 100644 index 0000000..398dc62 --- /dev/null +++ b/05/undo.org @@ -0,0 +1,25 @@ +#+TITLE: Undo + +The ergonomy of Emacs pre-dates what is now accepted as convention for +the usual copy/paste/undo systems, and so some things are very +different. Undo is one of them. + +* Undoing + + When starting to undo using a keybind like C-/, Emacs will + implicitly initiate an /undo sequence/. You can carry on hitting C-/ + to go back in time until you've found what you wanted; any other + keybind will break the /undo sequence/. + + The =undo= action itself is registered in Emacs'undo + system. Therefore, after breaking from an /undo sequence/, it's + possible to undo the undo action, which equates to re-doing. + + This is a bit odd, but works quite well. + +* Useful links + + * [[https://www.gnu.org/software/emacs/manual/html_node/emacs/Basic-Undo.html][Emacs manual: Basic Undo]] + * [[https://www.gnu.org/software/emacs/manual/html_node/emacs/Undo.html][Emacs manual: Undo]] + * [[https://www.emacswiki.org/emacs/UndoTree][EmacsWiki: Undo tree (advanced undo)]] + |