Combine the two display filter README's into one,

and add a lot of explanation about how the display filter
engine works.

Modify dftest.c to remove printing of the dfilter_t pointer,
which has absolutely no value for the user.

svn path=/trunk/; revision=43941

1 files changed, 1 insertions, 2 deletions

diff --git a/dftest.c b/dftest.c
index d67fc24998..ca790f8eee 100644
--- a/dftest.c
+++ b/dftest.c
@@ -138,9 +138,8 @@ main(int argc, char **argv)
 		epan_cleanup();
 		exit(2);
 	}
-	printf("dfilter ptr = 0x%08x\n", GPOINTER_TO_INT(df));
 
-	printf("\n\n");
+	printf("\n");
 
 	if (df == NULL)
 		printf("Filter is empty\n");