Method CanRedo

scintilla/src/Document.h:296–296

	int Redo();
	bool CanUndo() { return cb.CanUndo(); }
	bool CanRedo() { return cb.CanRedo(); }
	void DeleteUndoHistory() { cb.DeleteUndoHistory(); }
	bool SetUndoCollection(bool collectUndo) {
		return cb.SetUndoCollection(collectUndo);