If you compile libxml2 with "--without-docb" option then
XPath child axis traversal is broken due to the following
ifdef in the xmlXPathNextDescendantOrSelfElemParent()
function:
while (cur != NULL) {
switch (cur->type) {
case XML_ELEMENT_NODE:
/* TODO: OK to have XInclude here? */
case XML_XINCLUDE_START:
case XML_DOCUMENT_FRAG_NODE:
if (cur != start)
return(cur);
if (cur->children != NULL) {
cur = cur->children;
continue;
}
break;
#ifdef LIBXML_DOCB_ENABLED
/* Not sure if we need those here. */
case XML_DOCUMENT_NODE:
case XML_DOCB_DOCUMENT_NODE:
#endif
case XML_HTML_DOCUMENT_NODE:
if (cur != start)
return(cur);
return(xmlDocGetRootElement((xmlDocPtr) cur));
default:
break;
}
It seems that the right thing to do is to simply move the
"case XML_DOCUMENT_NODE:" out of this particular ifdef but
I am not familiar enough with DOCB stuff to tell the consequences
of this.
Best,
Aleksey
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