## New undo step on changing selection ([#20](https://github.com/ckeditor/ckeditor5-typing/issues/20)) *Every selection change should create a new undo step.* **Check**: 1. Type "aaa" in one place. 1. Move selection to another. 1. Type "bbb". 1. Move selection to another place. 1. Type "ccc". 1. Undo 3 times. **Expected**: 3 undo steps were created. It is possible to undo 3 times, each time 3 letters from steps 5, 3, 1 are undone.