xmlDocCopyNode    989 lib/common/xml.c         copy = xmlDocCopyNode(src, doc, 1);
xmlDocCopyNode    995 lib/common/xml.c         copy = xmlDocCopyNode(src, parent->doc, 1);
xmlDocCopyNode   2369 lib/common/xml.c     child = xmlDocCopyNode(src_node, parent->doc, 1);
xmlDocCopyNode   2484 lib/common/xml.c     copy = xmlDocCopyNode(src, doc, 1);