yytoken = yytranslate_ (yychar);
-** $ and others in epilogue
-A stray $ is a warning in the actions, but an error in the epilogue.
-IMHO, it should not even be a warning in the epilogue.
-
** stack.hh
Get rid of it. The original idea is nice, but actually it makes
the code harder to follow, and uselessly different from the other