12 element event { text },
13 element script { text }
17 widget_i = element widget
19 element name { text },
20 element parent { text },
21 element type { text },
23 element xpos { text, attribute presentation { text } },
24 element ypos { text, attribute presentation { text } },
25 element width { text, attribute presentation { text } },
26 element height { text, attribute presentation { text } },
28 element caption { text }?