--- diffutils-2.8.7/src/analyze.c.orig	2004-04-12 07:44:35 +0000

+++ diffutils-2.8.7/src/analyze.c	2005-05-17 11:33:17 +0000

@@ -953,7 +953,7 @@ diff_2_files (struct comparison *cmp)

 	changes = briefly_report (changes, cmp->file);

       else

 	{

-	  if (changes | !no_diff_means_no_output)

+	  if (changes || !no_diff_means_no_output)

 	    {

 	      /* Record info for starting up output,

 		 to be used if and when we have some output to print.  */