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-rw-r--r--lisp/mail/sendmail.el4
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 91e0b183a68..f4dfcfcf647 100644
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -1085,7 +1085,9 @@ Return non-nil if and only if some part of the header is encoded."
(cons selected mm-coding-system-priorities)
mm-coding-system-priorities))
(tick (buffer-chars-modified-tick))
- (rfc2047-encode-encoded-words nil))
+ ;; rms: this proved necessary, but I don't recall why.
+ ;; Can anyone determine why, and state it here?
+ (rfc2047-encode-encoded-words t))
(rfc2047-encode-message-header)
(= tick (buffer-chars-modified-tick)))))