AXWebArea
    AXGroup invalid='true'
        AXStaticText value='invalid=true'
    AXGroup invalid='spelling'
        AXStaticText value='invalid=spelling'
    AXGroup invalid='grammar'
        AXStaticText value='invalid=grammar'
    AXGroup invalid='false'
        AXStaticText value='invalid=false'
    AXGroup invalid='false'
        AXStaticText value='invalid=<empty>'
    AXGroup invalid='somethingelse'
        AXStaticText value='invalid=somethingelse'