Complex sentence: When the SOAP encoding style is enabled, the XML serialization in gSOAP respects co-referenced objects and cyclic data structures as per SOAP encoding rules resulting in XML with "id-ref" edges.
Split into simpler sentences: When the SOAP encoding style is enabled, the XML serialization in gSOAP respects co-referenced objects and cyclic data structures. Both are serialized in XML with "id-ref" edges.