A: 'a' 'a' B
;
B: 'a'
- | %prec 'a'
+ | %empty %prec 'a'
;
c: 'a' 'a' 'b'
| A
and multiple reductions. The first reduction has more lookaheads than the
second, so the first should always be preferred as the default reduction if
enabled. The second reduction has one lookahead. */
-b: ;
-c: ;
+b: %empty;
+c: %empty;
]],
dnl Visit each state mentioned above.
[['a', 'a']],