Wrong variable, can you dig it? Dig we must! $top1 summary: $top2 summary: The center nodes in $top2 are , W01: center/child::* nodes in $top2 are , W02: center/descendant::* nodes in $top2 are , W03: center/parent::* nodes in $top2 are , W04: center/ancestor::* nodes in $top2 are , W05: center/following-sibling::* nodes in $top2 are , W06: center/preceding-sibling::* nodes in $top2 are , W07: center/following::* nodes in $top2 are , W08: center/preceding::* nodes in $top2 are , W09: center/attribute::* nodes in $top2 are , W10: center/namespace::* nodes in $top2 are , W11: center/self::* nodes in $top2 are , W12: center/descendant-or-self::* nodes in $top2 are , W13: center/ancestor-or-self::* nodes in $top2 are , N01: center/child::t2-near-south nodes in $top2 are , N02: center/descendant::t2-south nodes in $top2 are , N03: center/parent::t2-near-north nodes in $top2 are , N04: center/ancestor::t2-north nodes in $top2 are , N05: center/following-sibling::t2-east nodes in $top2 are , N06: center/preceding-sibling::t2-west nodes in $top2 are , N07: center/following::t2-east nodes in $top2 are , N08: center/preceding::t2-west nodes in $top2 are , N09: center/attribute::center-attr-1 nodes in $top2 are , N10: center/self::center nodes in $top2 are , N11: center/descendant-or-self::t2-south nodes in $top2 are , N12: center/ancestor-or-self::t2-north nodes in $top2 are ,