#include <stdio.h>
#include <libxml/tree.h>

int main(void)
{
    xmlDocPtr doc, doc2;
    xmlNodePtr elem;

    doc = xmlNewDoc(0);
    doc2 = xmlNewDoc(0);

    elem = xmlNewDocNode(doc, 0, "elemtest", 0);
    xmlAddChild((xmlNodePtr)doc, elem);

    /* xmlUnlinkNode(elem); */

    xmlAddChild((xmlNodePtr)doc2, elem);

    printf("free doc %p\n", doc2);
    xmlFreeDoc(doc2);
    printf("free doc %p\n", doc);
    xmlFreeDoc(doc);
}