Comment personal M-SPC binding to be the default since Emacs 29.1

So that it can be removed later on, maybe.

init.el

@@ -232,7 +232,7 @@
   (bind-key "M-/" #'hippie-expand)
   (bind-key "M-:" #'pp-eval-expression)
   (bind-key "M-=" #'count-words)
-  (bind-key "M-SPC" #'cycle-spacing)
+  (bind-key "M-SPC" #'cycle-spacing)    ; default since Emacs 29.1
   (bind-key "M-Z" #'zap-to-char)
   (bind-key "M-i" #'swiper-from-isearch isearch-mode-map)
   (bind-key "M-j" #'(lambda () (interactive) (join-line -1)))
@@ -496,6 +496,9 @@
             ;; and replace it with something more straightforward.
             (advice-add 'grep-read-files :around #'db/grep-read-files)))
 
+(use-package multisession
+  :config (setq multisession-directory (expand-file-name "multisession/" emacs-d)))
+
 (use-package proced
   :custom ((proced-tree-flag t)
            (proced-auto-update-flag t)
@@ -2137,10 +2140,7 @@ point to the beginning of buffer first."
                   ("\\.\\(?:mp4\\|mkv\\|avi\\|flv\\|ogv\\|webm\\)\\(?:\\.part\\)?\\'"
                    "vlc")
                   ("\\.\\(?:mp3\\|flac\\|ogg\\)\\'" "mplayer")
-                  ("\\.docx?\\'" "loffice")))
-
-          (when on-windows
-            (setq directory-free-space-program nil)))
+                  ("\\.docx?\\'" "loffice"))))
   :config (progn
             (put 'dired-find-alternate-file 'disabled nil)