; ---------------------------------------------------------------------------
; | File: grammar4.dat             Sean O'Connor                    5-30-89 |
; ---------------------------------------------------------------------------
;
;  This is the grammar,
;
;     S -> A S | b
;     A -> S A | a
;
;  which is neither LR(1) nor LALR(1).
;
;  Exercise 4.33, page 272 of
;
;      COMPILERS: PRINCIPLES, TECHNIQUES, AND TOOLS,
;      Alfred V. Aho, Ravi Sethi, and Jeffrey D. Ullman,
;      Addison-Wesley, 1986
;
; ---------------------------------------------------------------------------


;  Productions.

( 
   (S -> A S / |b|)
   (A -> S A / |a|)
)


;  Terminal symbols.

( |a| |b| )