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-rw-r--r--doc/binary.n2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/binary.n b/doc/binary.n
index 9ab694e..70f569b 100644
--- a/doc/binary.n
+++ b/doc/binary.n
@@ -82,6 +82,8 @@ 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