[DelWithGroup([DelGroup([]), DelWithGroup([]), DelSkip(2)])]
[AddWithGroup([AddWithGroup([]), AddSkip(1), AddGroup({"client": "left", "tag": "caret"}, [])])]

[DelWithGroup([DelWithGroup([]), DelGroup([]), DelSkip(2)])]
[AddWithGroup([AddWithGroup([]), AddSkip(1), AddGroup({"client": "right", "tag": "caret"}, [])])]