* Full support of XPATH 1.0 according to https://www.w3.org/TR/xpath-10 using yacc/lex

* The previous XPATH imlementation was very restricted.
  * The only function implemented is the Yang extension "current()". No other functions are implemented (eg last(), count()).

lib/clixon/clixon_string.h

@@ -46,6 +46,8 @@ static const map_str2int atmap[] = {
     {NULL,               -1}
 };
  * @endcode
+ * @see clicon_int2str
+ * @see clicon_str2int
  */
 struct map_str2int{
     char         *ms_str;