man: Add details on the relationships between -A, -X[X] and -x[x] options

(cherry picked from commit 98b96cb74c3841e6e4eabf619cf682b4945468ad)

[skip ci]

diff --git a/tcpdump.1.in b/tcpdump.1.in
index 3ed261df6fe76220046a3fb08f6b2ae5e7c4476d..6ebc27047b72c166b1176d507d9ffd052970880f 100644 (file)
--- a/tcpdump.1.in
+++ b/tcpdump.1.in
@@ -237,6 +237,11 @@ special privileges.
 .B \-A
 Print each packet (minus its link level header) in ASCII.  Handy for
 capturing web pages.
+No effect when
+.B \-x[x]
+or
+.B \-X[X]
+options are used.
 .TP
 .B \-b
 Print the AS number in BGP packets in ASDOT notation rather than ASPLAIN
@@ -897,6 +902,9 @@ required padding.
 In the current implementation this flag may have the same effect as
 .B \-xx
 if the packet is truncated.
+No effect when
+.B \-X[X]
+option is used.
 .TP
 .B \-xx
 When parsing and printing,
@@ -904,6 +912,9 @@ in addition to printing the headers of each packet, print the data of
 each packet,
 .I including
 its link level header, in hex.
+No effect when
+.B \-X[X]
+option is used.
 .TP
 .B \-X
 When parsing and printing,