* src/closure.c (print_firsts): Display of the symbol tags.

(bitmatrix_print): Move to...
* lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
here.
* tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.

lib/bitsetv-print.h

@@ -0,0 +1,28 @@
+/* Bitset vectors.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Contributed by Akim Demaille (akim@freefriends.org).
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITSETV_PRINT_H
+#define _BITSETV_PRINT_H
+
+#include "bitsetv.h"
+
+/* Dump vector of bitsets as a matrix.  */
+extern void bitsetv_matrix_dump PARAMS ((FILE *, const char *,
+					 bitsetv));
+
+#endif  /* _BITSETV_H  */