emacs-28 5deb0ec: * lisp/mh-e/mh-show.el (mh-junk-whitelist): Custom obsolescence message.

[Stephen Gildea]

branch: emacs-28
commit 5deb0ec14f304658bce12809b5c4d97c62eca858
Author: Stephen Gildea <stepheng+emacs@gildea.com>
Commit: Stephen Gildea <stepheng+emacs@gildea.com>

    * lisp/mh-e/mh-show.el (mh-junk-whitelist): Custom obsolescence message.
---
 lisp/mh-e/mh-junk.el | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lisp/mh-e/mh-junk.el b/lisp/mh-e/mh-junk.el
index 467667f..2097bcb 100644
--- a/lisp/mh-e/mh-junk.el
+++ b/lisp/mh-e/mh-junk.el
@@ -110,8 +110,15 @@ message(s) as specified by the option 
`mh-junk-disposition'."
 ;;;###mh-autoload
 (defun mh-junk-whitelist (range)
   "Old name for `mh-junk-allowlist'; use \\[mh-junk-allowlist] instead."
-  (declare (obsolete mh-junk-allowlist "28.1"))
   (interactive (list (mh-interactive-range "Allowlist")))
+  ;; We do our own message here instead of using "declare obsolete"
+  ;; in order to talk about keys instead of function names.  Also, it
+  ;; lets us bind "J w" to this without the Emacs 29 compiler complaining.
+  (when (not (get 'mh-junk-whitelist 'command-execute-obsolete-warned))
+    (message "%s is an obsolete key (as of 28.1); use %s instead"
+             (substitute-command-keys "\\[mh-junk-whitelist]")
+             (substitute-command-keys "\\[mh-junk-allowlist]"))
+    (put 'mh-junk-whitelist 'command-execute-obsolete-warned t))
   (mh-junk-allowlist range))
 
 ;;;###mh-autoload