
doc:   [
    DocGroup({"tag": "h2"}, [
        DocGroup({"tag": "caret", "client": "f"}, []),
        DocChars(" i du")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h2"}, [
            DocGroup({"tag": "caret", "client": "c"}, []),
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("8"), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("KP  E8I")
        ])
    ]),
    DocGroup({"tag": "h2"}, [
        DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("r "), DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("1Xh7dlXdJllo MYWhat\'s up with you?")
    ])
]

a_del: [
    DelWithGroup([
        DelWithGroup([]),
        DelSkip(5)
    ]),
    DelGroup([
        DelWithGroup([
            DelGroup([]),
            DelGroup([]),
            DelSkip(1), DelGroup([]),
            DelSkip(7)
        ])
    ]),
    DelGroup([
        DelGroup([]),
        DelSkip(1), DelChars(1), DelGroup([]),
        DelSkip(34)
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(5)
    ]),
    AddWithGroup([
        AddGroup({"tag": "caret", "client": "c"}, []),
        AddChars("A"), AddGroup({"tag": "caret", "client": "d"}, []),
        AddChars("H"), AddSkip(8), AddGroup({"client": "a", "tag": "caret"}, [])
    ]),
    AddGroup({"tag": "p"}, [
        AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(1), AddGroup({"client": "e", "tag": "caret"}, []),
        AddSkip(34)
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([]),
        DelChars(1), DelSkip(4)
    ]),
    DelWithGroup([])
]
b_add: [
    AddWithGroup([
        AddChars("  "), AddSkip(4)
    ]),
    AddWithGroup([
        AddWithGroup([
            AddGroup({"client": "f", "tag": "caret"}, [])
        ])
    ])
]
