(t1 = GdomeNodeTypeT.ELEMENT_NODE || t1 = GdomeNodeTypeT.TEXT_NODE) &&
(t2 = GdomeNodeTypeT.ELEMENT_NODE || t2 = GdomeNodeTypeT.TEXT_NODE) ->
let t' = from#importNode t true in
(t1 = GdomeNodeTypeT.ELEMENT_NODE || t1 = GdomeNodeTypeT.TEXT_NODE) &&
(t2 = GdomeNodeTypeT.ELEMENT_NODE || t2 = GdomeNodeTypeT.TEXT_NODE) ->
let t' = from#importNode t true in