key: mark,   value: current, index: 1.0
key: text,   value: Twas brillig, and the slithy toves, index: 1.0
key: text,   value: Did gyre and gimble in the wabe:, index: 2.0
key: tagon,  value: mytag, index: 3.0
key: text,   value: All mimsy were t, index: 3.0
key: mark,   value: anchor, index: 3.16
key: text,   value: he borogoves,, index: 3.16
key: tagoff, value: mytag, index: 3.29
key: text,   value: , index: 3.29
key: mark,   value: insert, index: 4.0
key: text,   value: And the mome raths outgrabe., index: 4.0
key: text,   value: , index: 5.0