* src/vcg.c (complain.h): Include it.

Unepitaize `return' invocations.
[NDEBUG] (main): Remove.
* src/vcg.h (node_t, edge_t, graph_t): Constify the char * memebers.
* src/files.c (open_files): Initialize graph_obstack.
* src/print_graph.c (print_actions): CPP out useless code.
(print_core): Don't output the last `n' in labels.
Use `quote'.
* src/files.c (output_files): Output the VCG file.
* src/main.c (main): Invoke print_graph ();

src/main.c

@@ -33,6 +33,7 @@
 #include "print.h"
 #include "LR0.h"
 #include "conflicts.h"
+#include "print_graph.h"
 
 /* The name this program was run with, for messages.  */
 char *program_name;
@@ -83,6 +84,9 @@ main (int argc, char *argv[])
   /* Print information about results, if requested.  */
   print_results ();
 
+  /* Output the VCG graph. */
+  print_graph ();
+
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();