Obsolete unused variable footnote-use-message-mode

* lisp/mail/footnote.el (footnote-use-message-mode): Make
obsolete.

diff --git a/lisp/mail/footnote.el b/lisp/mail/footnote.el
index 29e16c419be8f55ca003127bfb6cd437a6aaf662..ab29a160963632c324cba73cdcc902cbab6a0202 100644 (file)
--- a/lisp/mail/footnote.el
+++ b/lisp/mail/footnote.el
@@ -93,6 +93,7 @@ displaying footnotes."
 (defcustom footnote-use-message-mode t ; Nowhere used.
   "If non-nil, assume Footnoting will be done in `message-mode'."
   :type 'boolean)
+(make-obsolete-variable 'footnote-use-message-mode "it does nothing." "29.1")
 
 (defcustom footnote-body-tag-spacing 2
   "Number of spaces separating a footnote body tag and its text.