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/* Test for recognition of digraphs: should be recognized in C94 and C99

   mode, but not in C90 mode.  Also check correct stringizing.

*/

/* Origin: Joseph Myers <jsm28@cam.ac.uk> */

/* { dg-do run } */

/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */

#define str(x) xstr(x)

#define xstr(x) #x

#define foo(p, q) str(p %:%: q)

extern void abort (void);

extern int strcmp (const char *, const char *);

int

main (void)

{

  const char *t = foo (1, 2);

  const char *u = str (<:);

  if (strcmp (t, "1 %:%: 2") || strcmp (u, "<:"))

    abort ();

  else

    return 0;

}