diff -Naur gnubg/show.c gnubg-fix-format-errors/show.c
--- gnubg/show.c	2006-09-22 00:24:06.000000000 +0200
+++ gnubg-fix-format-errors/show.c	2009-02-28 13:59:57.000000000 +0100
@@ -960,7 +960,7 @@
 
   int i;
 
-  outputf( title );
+  outputf( "%s", title );
   outputc( '\n' );
   
   for ( i = 0; ace[ i ].Name; ++i ) {