/* n_26.t:  The name once replaced is not furthur replaced. */

/* 26.1:    Directly recursive object-like macro definition.    */

/*  Z[0];   */

#define Z   Z[0]

    Z;

/* 26.2:    Intermediately recursive object-like macro definition.  */

/*  AB; */

#define AB  BA

#define BA  AB

    AB;

/* 26.3:    Directly recursive function-like macro definition.  */

/*  x + f(x);   */

#define f(a)    a + f(a)

    f( x);

/* 26.4:    Intermediately recursive function-like macro definition.    */

/*  x + x + g( x);  */

#define g(a)    a + h( a)

#define h(a)    a + g( a)

    g( x);

/* 26.5:    Rescanning encounters the non-replaced macro name.  */

/*  Z[0] + f( Z[0]);    */

    f( Z);