This is an undo object which does nothing but only serves as a marker in the list of undo operations. It could be used for debugging or by modes to record information they need in the undo list.
A message to identify the marker.
Called when the operation must be redone.
{Error} If an undo is attempted when an undo or redo is already in progress.
The description of this object.
Called when the operation must be undone.
Generated using TypeDoc
This is an undo object which does nothing but only serves as a marker in the list of undo operations. It could be used for debugging or by modes to record information they need in the undo list.