Dan Poirier - 2001-09-26 - added a friendly greeting as indent starts.
This is just an example.
diff -uNr indent-2.2.6/indent.c indent-2.2.6-my/indent.c
--- indent-2.2.6/indent.c	Thu Nov 16 22:01:04 2000
+++ indent-2.2.6-my/indent.c	Wed Sep 26 14:33:11 2001
@@ -1864,6 +1864,8 @@
   int using_stdin = false;
   enum exit_values exit_status;
+  printf("Hello from Dan
");
+
 #ifdef _WIN32
   /* wildcard expansion of commandline arguments, see wildexp.c */
   extern void wildexp (int *argc, char ***argv);