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-rw-r--r--lisp/mail/mailheader.el3
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/mail/mailheader.el b/lisp/mail/mailheader.el
index 936f53e96a5..8aec1940a7e 100644
--- a/lisp/mail/mailheader.el
+++ b/lisp/mail/mailheader.el
@@ -99,7 +99,8 @@ value."
headers)
;; Advertised part of the interface; see mail-header, mail-header-set.
-(defvar headers)
+(with-suppressed-warnings ((lexical headers))
+ (defvar headers))
(defsubst mail-header (header &optional header-alist)
"Return the value associated with header HEADER in HEADER-ALIST.