From fc5ef30f8cb501a35c696d8356e1e89e3004efaa Mon Sep 17 00:00:00 2001
From: oehhar <harald.oehlmann@elmicron.de>
Date: Mon, 20 Dec 2021 14:38:13 +0000
Subject: [PATCH] binary encode/decode hex: document upper/lower character use.

---
 doc/binary.n | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/binary.n b/doc/binary.n
index 43df4cc92189..d39fd1152c4f 100644
--- a/doc/binary.n
+++ b/doc/binary.n
@@ -87,6 +87,8 @@ RFC 2045 calls for base64 decoders to be non-strict.
 .
 The \fBhex\fR binary encoding converts each byte to a pair of hexadecimal
 digits that represent the byte value as a hexadecimal integer.
+When encoding, lower characters are used.
+When decoding, upper and lower characters are accepted.
 .RS
 .PP
 No options are supported during encoding. During decoding, the following