Changes: Undo and Redo

Revision as of 00:42, 18 March 2010

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created 2001 · complexity basic · version 5.7

To undo recent changes, use the u[ndo] command:

u: undo last change (can be repeated to undo preceding commands)
U: return the line to its original state (undo all changes in current line)
CTRL-r: Redo changes which were undone (undo the undos). Compare to '.' to repeat a previous change, at the current cursor position. CTRL-R will redo a previously undone change, wherever the change occurred.

Note that (somewhat confusingly) U is undo-able with u.

@@ Line 14: / Line 14: @@
 *<tt>u</tt>: undo last change (can be repeated to undo preceding commands)
 *<tt>U</tt>: return the line to its original state (undo all changes in current line)
-*<tt>CTRL-R</tt>: Redo changes which were undone (undo the undos). Compare to '<tt>.</tt>' to ''repeat'' a previous change, at the current cursor position. CTRL-R will redo a previously undone change, wherever the change occurred.
+*<tt>CTRL-r</tt>: Redo changes which were undone (undo the undos). Compare to '<tt>.</tt>' to ''repeat'' a previous change, at the current cursor position. CTRL-R will redo a previously undone change, wherever the change occurred.
 Note that (somewhat confusingly) <tt>U</tt> is undo-able with <tt>u</tt>.