Div contents: "foobar" state: false selection: #document 0 #document 0
Div contents: "foo<s>bar</s>" state: true selection: #text 0 #text 3
Div contents: "<s>foobar</s>" state: true selection: #text 0 #text 3
Div contents: "<s>foo</s>bar" state: false selection: #text 0 #text 3
