lisp/gnus/message.el (message--fold-long-headers): Add docstring

1 files changed, 3 insertions, 3 deletions

diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index d3f6ec3c34e..4da5565a523 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -4536,8 +4536,6 @@ This function could be useful in `message-setup-hook'."
             (forward-line 1)
             (unless (y-or-n-p "Send anyway? ")
               (error "Failed to send the message")))))
-      ;; Fold too-long header lines.  They should be no longer than
-      ;; 998 octets long.
       (message--fold-long-headers)
       ;; Let the user do all of the above.
       (run-hooks 'message-header-hook))
@@ -4637,10 +4635,12 @@ If you always want Gnus to send messages in one piece, set
     (push 'mail message-sent-message-via)))
 
 (defun message--fold-long-headers ()
+  "Fold too-long header lines.
+They should be no longer than 998 octets long."
   (goto-char (point-min))
   (while (not (eobp))
     (when (and (looking-at "[^:]+:")
-               (> (- (line-end-position) (point)) 998))
+               (> (- (line-end-position) (point)) 998))
       (mail-header-fold-field))
     (forward-line 1)))