General fixes, XPointer improvements:
- HTMLparser.c: some fixes on auto-open of html/head/body
- encoding.c: fixed a compilation error on some gcc env
- xpath.c xpointer.[ch] xpathInternals.h: improved the
  XPointer implementation
- test/XPath/xptr/strpoint test/XPath/xptr/strrange3: added
  related XPointer tests and associated results
Daniel
diff --git a/xpathInternals.h b/xpathInternals.h
index b73d49e..a18e453 100644
--- a/xpathInternals.h
+++ b/xpathInternals.h
@@ -133,6 +133,8 @@
  * Existing functions
  */
 
+int xmlXPathEvaluatePredicateResult(xmlXPathParserContextPtr ctxt, 
+                                    xmlXPathObjectPtr res);
 void xmlXPathInit(void);
 void xmlXPathStringFunction(xmlXPathParserContextPtr ctxt, int nargs);
 void xmlXPathRegisterAllFunctions(xmlXPathContextPtr ctxt);