Nested elements. A reverse orientation P{wd19.3} derivative is inserted into the w coding region of the original wd1 element.
P5\'
P3\'
construct_comment: Consists of P{X93b} element nested in inverted orientation within the original P{wdl9.3} element.
construct_comment: Consists of P{X93b} element nested in inverted orientation within the original P{wdl9.3} element.