- {
- fprintf (stderr, "%s: %s: ", grammar_file, _("warning"));
- fprintf (stderr, ngettext ("%d nonterminal useless in grammar",
- "%d nonterminals useless in grammar",
- nuseless_nonterminals),
- nuseless_nonterminals);
- fprintf (stderr, "\n");
- }
+ warn (ngettext ("%d nonterminal useless in grammar",
+ "%d nonterminals useless in grammar",
+ nuseless_nonterminals),
+ nuseless_nonterminals);