bm

(use-package bm
         :ensure t
         :demand t

         :init
         ;; restore on load (even before you require bm)
         (setq bm-restore-repository-on-load t)


         :config
         ;; Allow cross-buffer 'next'
         (setq bm-cycle-all-buffers t)

         ;; where to store persistant files
         (setq bm-repository-file "~/.emacs.d/bm-repository")

         ;; save bookmarks
         (setq-default bm-buffer-persistence t)

         ;; Loading the repository from file when on start up.
         (add-hook' after-init-hook 'bm-repository-load)

         ;; Restoring bookmarks when on file find.
         (add-hook 'find-file-hooks 'bm-buffer-restore)

         ;; Saving bookmarks
         (add-hook 'kill-buffer-hook #'bm-buffer-save)

         ;; Saving the repository to file when on exit.
         ;; kill-buffer-hook is not called when Emacs is killed, so we
         ;; must save all bookmarks first.
         (add-hook 'kill-emacs-hook #'(lambda nil
                                          (bm-buffer-save-all)
                                          (bm-repository-save)))

         ;; The `after-save-hook' is not necessary to use to achieve persistence,
         ;; but it makes the bookmark data in repository more in sync with the file
         ;; state.
         (add-hook 'after-save-hook #'bm-buffer-save)

         ;; Restoring bookmarks
         (add-hook 'find-file-hooks   #'bm-buffer-restore)
         (add-hook 'after-revert-hook #'bm-buffer-restore)
         (add-hook 'vc-before-checkin-hook #'bm-buffer-save)


         :bind (("<f3>" . bm-next)
                ("S-<f3>" . bm-previous)
                ("C-<f3>" . bm-toggle))
         )