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-rw-r--r--pack.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/pack.c b/pack.c
index 3413ec6c56..93577a9280 100644
--- a/pack.c
+++ b/pack.c
@@ -242,7 +242,8 @@ str_associated(VALUE str)
* H | String | hex string (high nibble first)
* h | String | hex string (low nibble first)
* u | String | UU-encoded string
- * M | String | quoted printable, MIME encoding (see RFC2045)
+ * M | String | quoted printable, MIME encoding (see also RFC2045)
+ * | | (text mode but input must use LF and output LF)
* m | String | base64 encoded string (see RFC 2045, count is width)
* | | (if count is 0, no line feed are added, see RFC 4648)
* P | String | pointer to a structure (fixed-length string)