The typical undo and redo actions are available in Oxygen XML Editor:
Undo
Ctrl Z (Command Z on OS
X) - menu Edit > Undo- Reverses a maximum of 200 editing actions (configurable in the Editor preferences
page) to return to the preceding state. Note: Complex operations like Replace All or Indent selection count as single undo events.
Redo
Ctrl Y (Command Z on OS
X) - menu Edit > Redo- Recreates a maximum of 100 editing actions that were undone by the Undo function.