`-------------*/
/* <assert.h>'s assertions are too heavyweight, and can be disabled
- too easily, so use aver rather than assert. */
+ too easily, so use aver rather than assert. See discussions at
+ <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00080.html>
+ <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00111.html>.
+*/
static inline void
aver (bool assertion)
{