* src/closure.c, src/derives.c, src/gram.h, src/lalr.c,

* src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
* src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
RHS, instead of being an index in RITEMS.

src/reader.c

@@ -1688,7 +1688,7 @@ packgram (void)
     {
       bucket *ruleprec = p->ruleprec;
       rules[ruleno].lhs = p->sym->value;
-      rules[ruleno].rhs = itemno;
+      rules[ruleno].rhs = ritem + itemno;
       rules[ruleno].line = p->line;
       rules[ruleno].useful = TRUE;
       rules[ruleno].action = p->action;