23 files changed, 76 insertions, 72 deletions
diff --git a/lib/doc/jao-doc-session.el b/lib/doc/jao-doc-session.el
index df7e994..31b92c7 100644
--- a/lib/doc/jao-doc-session.el
+++ b/lib/doc/jao-doc-session.el
@@ -1,6 +1,6 @@
 ;;; jao-doc-session.el --- persistent document sessions  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2022, 2024, 2025  jao
+;; Copyright (C) 2022, 2024, 2025, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: docs
@@ -20,6 +20,8 @@
 
 ;;; Code:
 
+(require 'multisession)
+
 (define-multisession-variable jao-doc--session nil)
 
 (defun jao-doc-session () (multisession-value jao-doc--session))
diff --git a/lib/doc/jao-doc-view.el b/lib/doc/jao-doc-view.el
index fe26c1d..223984a 100644
--- a/lib/doc/jao-doc-view.el
+++ b/lib/doc/jao-doc-view.el
@@ -1,6 +1,6 @@
 ;;; jao-doc-view.el -- extensions for doc-view -*- lexical-binding: t; -*-
 
-;; Copyright (c) 2013, 2015, 2017, 2018, 2019, 2021, 2022 Jose Antonio Ortega Ruiz
+;; Copyright (c) 2013, 2015, 2017, 2018, 2019, 2021, 2022, 2026 Jose Antonio Ortega Ruiz
 
 ;; This file is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
@@ -49,20 +49,20 @@
 (defvar-local jao-doc-view--trail-fwd ())
 
 (defun jao-doc-view--trail-push (dest-page)
-  (when-let (page (jao-doc-view-current-page))
+  (when-let* ((page (jao-doc-view-current-page)))
     (unless (eq (car jao-doc-view--trail-back) page)
       (push page jao-doc-view--trail-back))))
 
 (defun jao-doc-view-back ()
   (interactive nil doc-view-mode)
-  (if-let (p (pop jao-doc-view--trail-back))
+  (if-let* ((p (pop jao-doc-view--trail-back)))
       (progn (push (jao-doc-view-current-page) jao-doc-view--trail-fwd)
              (jao-doc-view-goto-page p))
     (message "No more back marks.")))
 
 (defun jao-doc-view-forward ()
   (interactive nil doc-view-mode)
-  (if-let (p (pop jao-doc-view--trail-fwd))
+  (if-let* ((p (pop jao-doc-view--trail-fwd)))
       (progn (push (jao-doc-view-current-page) jao-doc-view--trail-back)
              (jao-doc-view-goto-page p))
     (message "No more forward marks.")))
@@ -115,8 +115,8 @@
     (cond ((eq 'wait urls) (message "Extracting text, please wait and retry."))
           ((zerop (length urls))
            (message "No URLs in this %s" (if all "document" "page")))
-          (t (when-let (url (completing-read "URL: " urls nil nil
-                                             (when (null (cdr urls)) (car urls))))
+          (t (when-let* ((url (completing-read "URL: " urls nil nil
+                                               (when (null (cdr urls)) (car urls)))))
                (browse-url url))))))
 
 ;;; .
diff --git a/lib/doc/jao-org-links.el b/lib/doc/jao-org-links.el
index 95f2d67..8ccd06a 100644
--- a/lib/doc/jao-org-links.el
+++ b/lib/doc/jao-org-links.el
@@ -127,7 +127,7 @@
 ;;;###autoload
 (defun jao-org-goto-pdf ()
   (interactive)
-  (if-let (f (jao-org-org-to-pdf-file))
+  (if-let* ((f (jao-org-org-to-pdf-file)))
       (jao-org--pdf-open f nil)
     (user-error "No PDF file associated with this buffer")))
 
diff --git a/lib/doc/jao-org-notes.el b/lib/doc/jao-org-notes.el
index 4ec0221..fbe3c1f 100644
--- a/lib/doc/jao-org-notes.el
+++ b/lib/doc/jao-org-notes.el
@@ -163,7 +163,7 @@ Search terms that start with a colon are interpreted as tags, and can
 appear in any order in the tags list.
 "
   (interactive)
-  (when-let (f (jao-org-notes--consult-rg "Search tags and titles: "))
+  (when-let* ((f (jao-org-notes--consult-rg "Search tags and titles: ")))
     (find-file f)))
 
 (defvar jao-org-notes-consult-ripgrep-args
@@ -207,7 +207,7 @@ appear in any order in the tags list.
             (file (completing-read "File: " res nil t nil))
             (entry (assoc file res)))
       (progn (find-file (cadr entry))
-             (when-let (line (caddr entry)) (goto-line line)))
+             (when-let* ((line (caddr entry))) (goto-line line)))
     (message "Nobody links here!")))
 
 (defun jao-org-notes-insert-tags ()
@@ -218,7 +218,7 @@ appear in any order in the tags list.
 (defun jao-org-notes-insert-link ()
   "Select a note file (with completion) and insert a link to it."
   (interactive)
-  (when-let (f (jao-org-notes--consult-rg "Notes file: "))
+  (when-let* ((f (jao-org-notes--consult-rg "Notes file: ")))
     (let ((rel-path (file-relative-name f default-directory))
           (title (with-current-buffer (find-file-noselect f)
                    (save-excursion
diff --git a/lib/doc/jao-pdf.el b/lib/doc/jao-pdf.el
index 162cd9a..5d27048 100644
--- a/lib/doc/jao-pdf.el
+++ b/lib/doc/jao-pdf.el
@@ -145,9 +145,9 @@
 
 (defun jao-open-doc (&optional file page height)
   (interactive)
-  (when-let (file (or file
-                      (read-file-name "Document: "
-                                      (concat jao-org-dir "/doc/"))))
+  (when-let* ((file (or file
+                        (read-file-name "Document: "
+                                        (concat jao-org-dir "/doc/")))))
     (funcall jao-open-doc-fun file page height)))
 
 (defun jao-select-pdf ()
@@ -157,7 +157,7 @@
 
 (defun jao-open-with-zathura ()
   (interactive)
-  (when-let (f buffer-file-name)
+  (when-let* ((f buffer-file-name))
     (let ((p (jao-doc-view-current-page)))
       (cond (jao-river-enabled (jao-river-open-with-zathura f p))
             (jao-sway-enabled (jao-sway-open-with-zathura f p))
diff --git a/lib/eos/jao-afio.el b/lib/eos/jao-afio.el
index 72461dd..525cf60 100644
--- a/lib/eos/jao-afio.el
+++ b/lib/eos/jao-afio.el
@@ -19,6 +19,7 @@
 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; initialisation
+(require 'multisession)
 (require 'cl-lib)
 (require 'jao-doc-session)
 
@@ -126,7 +127,7 @@
     (if (car docs)
         (progn (switch-to-buffer (car docs))
                (switch-to-buffer-other-window (or (cadr docs) (car docs))))
-      (when-let (docs (jao-doc-session))
+      (when-let* ((docs (jao-doc-session)))
         (when (y-or-n-p (format "Load saved session? (%d docs)" (length docs)))
           (jao-afio-open-pdf-session docs))))))
 
@@ -136,7 +137,7 @@
 (declare-function jao-eww-session-load "jao-eww-session")
 
 (defun jao-afio--open-eww-session ()
-  (if-let (b (jao-eww-session-eww-buffers))
+  (if-let* ((b (jao-eww-session-eww-buffers)))
       (switch-to-buffer (car b))
     (jao-eww-session-load)))
 
diff --git a/lib/eos/jao-eshell-here.el b/lib/eos/jao-eshell-here.el
index 54d58f0..870e639 100644
--- a/lib/eos/jao-eshell-here.el
+++ b/lib/eos/jao-eshell-here.el
@@ -33,8 +33,8 @@
   "Value to use for `display-buffer-alist' when displaying the eshell buffer.")
 
 (defun jao-eshell-here--find-window (b)
-  (when-let (w (seq-find (lambda (w) (eq (window-buffer w) b))
-                         (window-list)))
+  (when-let* ((w (seq-find (lambda (w) (eq (window-buffer w) b))
+                           (window-list))))
     (select-window w)))
 
 (defun jao-eshell-here--frame-buffer (&optional b)
diff --git a/lib/eos/jao-minibuffer.el b/lib/eos/jao-minibuffer.el
index 552e183..8f8996e 100644
--- a/lib/eos/jao-minibuffer.el
+++ b/lib/eos/jao-minibuffer.el
@@ -1,6 +1,6 @@
 ;;; jao-minibuffer.el --- using the minibuffer to report status  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2020, 2021, 2022, 2024, 2025  jao
+;; Copyright (C) 2020, 2021, 2022, 2024, 2025, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: extensions
@@ -71,7 +71,7 @@
     (insert msg)))
 
 (defun jao-minibuffer--strip-prev (msg)
-  (if-let ((n (text-property-any 0 (length msg) 'minibuffer-message t msg)))
+  (if-let* ((n (text-property-any 0 (length msg) 'minibuffer-message t msg)))
       (string-trim (substring msg 0 n))
     msg))
 
diff --git a/lib/eos/jao-multisession.el b/lib/eos/jao-multisession.el
index 8660611..5583fb6 100644
--- a/lib/eos/jao-multisession.el
+++ b/lib/eos/jao-multisession.el
@@ -1,6 +1,6 @@
 ;;; multisession.el --- Multisession storage for variables  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021-2025 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2026 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
@@ -294,8 +294,8 @@ storage method to list."
     (tabulated-list-print t)
     (goto-char (point-min))
     (when id
-      (when-let ((match
-                  (text-property-search-forward 'tabulated-list-id id t)))
+      (when-let* ((match
+                   (text-property-search-forward 'tabulated-list-id id t)))
         (goto-char (prop-match-beginning match))))))
 
 (defun multisession-delete-value (id)
diff --git a/lib/eos/jao-notify.el b/lib/eos/jao-notify.el
index 8389b3a..941be36 100644
--- a/lib/eos/jao-notify.el
+++ b/lib/eos/jao-notify.el
@@ -1,6 +1,6 @@
-;; jao-notify.el -- Interacting with notification daemon
+;; jao-notify.el -- Interacting with notification daemon  -*- lexical-binding: t; -*-
 
-;; Copyright (c) 2017, 2019, 2020, 2021, 2024, 2025 Jose Antonio Ortega Ruiz
+;; Copyright (c) 2017, 2019, 2020, 2021, 2024, 2025, 2026 Jose Antonio Ortega Ruiz
 
 ;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
 ;; Start date: Sun Jan 08, 2017 20:24
diff --git a/lib/eos/jao-r2e.el b/lib/eos/jao-r2e.el
index 568b8bc..81bbed6 100644
--- a/lib/eos/jao-r2e.el
+++ b/lib/eos/jao-r2e.el
@@ -1,6 +1,6 @@
 ;;; jao-r2e.el --- List of rss2email subscriptions   -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2025  Jose Antonio Ortega Ruiz
+;; Copyright (C) 2025, 2026  Jose Antonio Ortega Ruiz
 
 ;; Author: Jose Antonio Ortega Ruiz <mail@jao.io>
 ;; Keywords: news
@@ -18,6 +18,7 @@
 ;; You should have received a copy of the GNU General Public License
 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+(require 'multisession)
 (require 'jao-url)
 
 (autoload 'View-quit "view")
diff --git a/lib/eos/jao-tracking.el b/lib/eos/jao-tracking.el
index 2af868c..280e9fb 100644
--- a/lib/eos/jao-tracking.el
+++ b/lib/eos/jao-tracking.el
@@ -1,6 +1,6 @@
 ;; jao-minibuffer-tracking.el --- Tracking notifications -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021, 2022, 2024  jao
+;; Copyright (C) 2021, 2022, 2024, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: convenience
@@ -105,7 +105,7 @@
       `(:propertize ,(plist-get s :propertize)
                     face
                     (jao-tracking-minibuffer
-                     ,@(when-let ((f (plist-get s 'face)))
+                     ,@(when-let* ((f (plist-get s 'face)))
                          (jao-tracking-set-log " * ")
                          (list f))))
     `(:propertize "|" face jao-tracking-minibuffer-sep)))
diff --git a/lib/media/jao-lyrics.el b/lib/media/jao-lyrics.el
index 985c9d9..f7b47ca 100644
--- a/lib/media/jao-lyrics.el
+++ b/lib/media/jao-lyrics.el
@@ -1,6 +1,6 @@
-;; jao-lyrics.el -- simple show lyrics using glyrc
+;; jao-lyrics.el -- simple show lyrics using glyrc  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2009, 2010, 2017, 2019, 2020, 2022 Jose Antonio Ortega Ruiz
+;; Copyright (C) 2009, 2010, 2017, 2019, 2020, 2022, 2026 Jose Antonio Ortega Ruiz
 
 ;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
 ;; Start date: Sat Jul 04, 2009 13:41
diff --git a/lib/media/jao-mpc.el b/lib/media/jao-mpc.el
index 5228787..3c6aa85 100644
--- a/lib/media/jao-mpc.el
+++ b/lib/media/jao-mpc.el
@@ -1,6 +1,6 @@
 ;;; jao-mpc.el --- Using mpc to interact with mpd   -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021, 2022, 2024, 2025  jao
+;; Copyright (C) 2021, 2022, 2024, 2025, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: convenience
@@ -128,7 +128,7 @@
 (defvar jao-mpc--idle-procs nil)
 
 (defun jao-mpc--idle-loop (&optional port)
-  (when-let (proc (alist-get port jao-mpc--idle-procs))
+  (when-let* ((proc (alist-get port jao-mpc--idle-procs)))
     (ignore-errors (kill-process proc)))
   (setf (alist-get port jao-mpc--idle-procs nil t)
         (make-process :name (format "jao-mpc-idleloop (%s)" port)
@@ -151,7 +151,7 @@
   (read-only-mode 1))
 
 (defun jao-mpc--album-buffer ()
-  (if-let (b (get-buffer jao-mpc--albums))
+  (if-let* ((b (get-buffer jao-mpc--albums)))
       b
     (with-current-buffer (get-buffer-create jao-mpc--albums)
       (jao-mpc-albums-mode)
@@ -355,7 +355,7 @@
                          (jao-mpc--cmd jao-mpc--simple-albums-cmd port)
                        albums-str))
          (albums (split-string albums-str "\n" t)))
-    (when-let (album (completing-read "Play album: " albums nil t))
+    (when-let* ((album (completing-read "Play album: " albums nil t)))
       (jao-mpc--add-and-play (car (split-string album "-" t " ")) port))))
 
 (provide 'jao-mpc)
diff --git a/lib/media/jao-mpris.el b/lib/media/jao-mpris.el
index 80d0675..7331cf3 100644
--- a/lib/media/jao-mpris.el
+++ b/lib/media/jao-mpris.el
@@ -1,6 +1,6 @@
 ;;; jao-mpris.el --- mpris players control           -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2020, 2021, 2022, 2024, 2025  jao
+;; Copyright (C) 2020, 2021, 2022, 2024, 2025, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: multimedia
@@ -97,7 +97,7 @@
         jao-mpris--current nil))
 
 (defun jao-mpris--get (k &optional l)
-  (when-let (v (alist-get k (or l jao-mpris--current)))
+  (when-let* ((v (alist-get k (or l jao-mpris--current))))
     (if (consp v) (car v) v)))
 
 (defun jao-mpris--set-current (k v)
@@ -159,7 +159,7 @@
 (defun jao-mpris--handler (iname properties &rest _args)
   (let ((inhibit-message t))
     (message "Received properties: %S from %s" properties iname)
-    (when-let (md (caadr (assoc "Metadata" properties)))
+    (when-let* ((md (caadr (assoc "Metadata" properties))))
       (let ((tno (caadr (assoc "xesam:trackNumber" md)))
             (tlt (caadr (assoc "xesam:title" md)))
             (art (caadr (assoc "xesam:artist" md)))
@@ -170,7 +170,7 @@
         (jao-mpris--set-current 'artist art)
         (jao-mpris--set-current 'album alb)
         (jao-mpris--set-current 'length len)))
-    (when-let (st (caadr (assoc "PlaybackStatus" properties)))
+    (when-let* ((st (caadr (assoc "PlaybackStatus" properties))))
       (jao-mpris--set-current 'status st)
       (when (string= st "Stopped")
         (dolist (k '(track title artist album length))
diff --git a/lib/media/jao-random-album.el b/lib/media/jao-random-album.el
index 3b2915b..f3f758e 100644
--- a/lib/media/jao-random-album.el
+++ b/lib/media/jao-random-album.el
@@ -1,6 +1,6 @@
-;; jao-random-album.el -- play random albums
+;; jao-random-album.el -- play random albums  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2009, 2010, 2017-2019, 2021-2022, 2024 Jose Antonio Ortega Ruiz
+;; Copyright (C) 2009, 2010, 2017-2019, 2021-2022, 2024, 2026 Jose Antonio Ortega Ruiz
 
 ;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
 ;; Start date: Sat Jul 04, 2009 13:06
diff --git a/lib/net/jao-eww-session.el b/lib/net/jao-eww-session.el
index da5bc8b..3e5e1da 100644
--- a/lib/net/jao-eww-session.el
+++ b/lib/net/jao-eww-session.el
@@ -1,6 +1,6 @@
 ;;; jao-eww-session.el --- Persistent eww sessions -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2003-2004, 2006-2009, 2012, 2021-2022, 2025  Jose A Ortega Ruiz
+;; Copyright (C) 2003-2004, 2006-2009, 2012, 2021-2022, 2025, 2026  Jose A Ortega Ruiz
 
 ;; Author: Jose A Ortega Ruiz <jao@gnu.org>
 ;; Version: 0.4
@@ -97,7 +97,7 @@ the session is already displayed in a eww tab, jao-eww-session can:
               (jao-eww-session-eww-buffers (current-buffer))))
 
 (defun jao-eww--current-url ()
-  (when-let (url (eww-current-url)) (url-encode-url url)))
+  (when-let* ((url (eww-current-url))) (url-encode-url url)))
 
 (defun jao-eww-session--current-urls (&optional skip-current)
   (let ((urls)
@@ -107,7 +107,7 @@ the session is already displayed in a eww tab, jao-eww-session can:
     (dolist (b (jao-eww-session-eww-buffers (when skip-current cb))
                (list pos (reverse urls)))
       (set-buffer b)
-      (when-let (url (jao-eww--current-url))
+      (when-let* ((url (jao-eww--current-url)))
         (when (eq b cb) (setq pos count))
         (setq count (1+ count))
         (push (cons url (jao-eww-buffer-title)) urls)))))
@@ -133,7 +133,7 @@ the session is already displayed in a eww tab, jao-eww-session can:
   (seq-filter
    (lambda (b)
      (with-current-buffer b
-       (when-let (url (jao-eww--current-url))
+       (when-let* ((url (jao-eww--current-url)))
          (when (member url urls)
            (when (y-or-n-p "Already open session, abort? ")
              (switch-to-buffer b)
@@ -217,7 +217,7 @@ the session is already displayed in a eww tab, jao-eww-session can:
 (defun jao-eww-session-load ()
   "Load last stored session into eww."
   (interactive)
-  (when-let ((s (jao-eww-session-load-aux)))
+  (when-let* ((s (jao-eww-session-load-aux)))
     (let* ((urls (jao-eww-session-urls s))
            (offset (jao-eww-session-offset s))
            (buffers (unless (equal jao-eww-session-duplicate-tabs 'always)
diff --git a/lib/net/jao-notmuch-gnus.el b/lib/net/jao-notmuch-gnus.el
index aa63d7c..9a17841 100644
--- a/lib/net/jao-notmuch-gnus.el
+++ b/lib/net/jao-notmuch-gnus.el
@@ -1,6 +1,6 @@
 ;;; jao-notmuch-gnus.el --- notmuch-gnus interoperability  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2022, 2024, 2025  jao
+;; Copyright (C) 2022, 2024, 2025, 2026  jao
 
 ;; Author: jao <mail@jao.io>
 ;; Keywords: mail
@@ -62,7 +62,7 @@
 (defun jao-notmuch-gnus-show-tags ()
   "Display in the echo area the tags of the current message."
   (interactive)
-  (when-let (id (jao-notmuch-gnus-message-id))
+  (when-let* ((id (jao-notmuch-gnus-message-id)))
     (message "%s" (string-join (jao-notmuch-gnus-message-tags id) " "))))
 
 (jao-transient-major-mode+ gnus-summary
@@ -82,7 +82,7 @@
 
 (defun jao-notmuch-gnus-tag-mark ()
   "Remove the new and unread tags for an article when it's marked as seen by Gnus."
-  (when-let (id (jao-notmuch-gnus-message-id t))
+  (when-let* ((id (jao-notmuch-gnus-message-id t)))
     (jao-notmuch-gnus-tag-message id '("-new" "-unread") t)))
 
 (add-hook 'gnus-mark-article-hook #'jao-notmuch-gnus-tag-mark)
@@ -220,12 +220,12 @@ Example:
     (org-gnus-follow-link group id)))
 
 (defun jao-notmuch-gnus-org-store ()
-  (when-let (d (or (when (derived-mode-p 'notmuch-show-mode 'notmuch-tree-mode)
-                     (cons (notmuch-show-get-message-id)
-                           (notmuch-show-get-subject)))
-                    (when (derived-mode-p 'gnus-summary-mode 'gnus-article-mode)
-                      (cons (jao-notmuch-gnus-message-id)
-                            (gnus-summary-article-subject)))))
+  (when-let* ((d (or (when (derived-mode-p 'notmuch-show-mode 'notmuch-tree-mode)
+                       (cons (notmuch-show-get-message-id)
+                             (notmuch-show-get-subject)))
+                     (when (derived-mode-p 'gnus-summary-mode 'gnus-article-mode)
+                       (cons (jao-notmuch-gnus-message-id)
+                             (gnus-summary-article-subject))))))
     (org-link-store-props :type "mail"
                           :link (concat "mail:" (car d))
                           :description (concat "Mail: " (cdr d)))))
diff --git a/lib/net/jao-notmuch.el b/lib/net/jao-notmuch.el
index 0f6903a..625c8e6 100644
--- a/lib/net/jao-notmuch.el
+++ b/lib/net/jao-notmuch.el
@@ -69,7 +69,7 @@
     (user-error "No tree view for this buffer")))
 
 (defun jao-notmuch-tree--looking-at-message ()
-  (when-let (id (plist-get (notmuch-tree-get-message-properties) :id))
+  (when-let* ((id (plist-get (notmuch-tree-get-message-properties) :id)))
     (equal (concat "*notmuch-id:" id "*")
            (buffer-name (window-buffer notmuch-tree-message-window)))))
 
@@ -105,7 +105,7 @@
     (goto-char (point-min))
     (let ((pos (point)))
       (while (setq pos (next-single-property-change pos 'w3m-href-anchor))
-        (when-let ((url (get-text-property pos 'w3m-href-anchor)))
+        (when-let* ((url (get-text-property pos 'w3m-href-anchor)))
           (when (stringp url) (cl-pushnew url res :test #'string=))))
       (seq-uniq res #'string=))))
 
@@ -117,7 +117,7 @@
 
 (defun jao-notmuch-browse-urls (&optional external)
   (interactive "P")
-  (if-let ((urls (jao-notmuch-message-urls)))
+  (if-let* ((urls (jao-notmuch-message-urls)))
       (funcall (if external browse-url-secondary-browser-function #'browse-url)
                (completing-read "Browse URL: " urls))
     (message "No URLs in this message")))
@@ -131,22 +131,22 @@
   (interactive)
   (when (get-text-property (point) 'w3m-href-anchor)
     (goto-char (next-single-property-change (point) 'w3m-href-anchor)))
-  (if-let (pos (next-single-property-change (point) 'w3m-href-anchor))
+  (if-let* ((pos (next-single-property-change (point) 'w3m-href-anchor)))
       (goto-char pos)
     (or (forward-button 1 nil t t)
         (ffap-next-guess))))
 
 (defun jao-notmuch-show-previous-button ()
   (interactive)
-  (if-let (pos (previous-single-property-change (point) 'w3m-href-anchor))
+  (if-let* ((pos (previous-single-property-change (point) 'w3m-href-anchor)))
       (goto-char (previous-single-property-change pos 'w3m-href-anchor))
     (or (backward-button 1 nil t t)
         (ffap-next-guess t))))
 
 (defun jao-notmuch-show-ret ()
   (interactive)
-  (when-let (url (or (get-text-property (point) 'w3m-href-anchor)
-                     (thing-at-point-url-at-point)))
+  (when-let* ((url (or (get-text-property (point) 'w3m-href-anchor)
+                       (thing-at-point-url-at-point))))
     (browse-url url)))
 
 
@@ -215,7 +215,7 @@
 ;;; header and mode lines with thread message counts
 
 (defun jao-notmuch--looking-at-new-p (&optional p)
-  (when-let (ts (if p (plist-get p :tags) (notmuch-show-get-tags)))
+  (when-let* ((ts (if p (plist-get p :tags) (notmuch-show-get-tags))))
     (or (member "unread" ts) (member "new" ts))))
 
 (defsubst jao-notmuch-tree--first-p (&optional msg)
diff --git a/lib/net/jao-proton-utils.el b/lib/net/jao-proton-utils.el
index 62b97b3..0a08f5d 100644
--- a/lib/net/jao-proton-utils.el
+++ b/lib/net/jao-proton-utils.el
@@ -1,6 +1,6 @@
 ;; jao-proton-utils.el -- simple interaction with Proton mail and vpn
 
-;; Copyright (c) 2018, 2019, 2020, 2023 Jose Antonio Ortega Ruiz
+;; Copyright (c) 2018, 2019, 2020, 2023, 2026 Jose Antonio Ortega Ruiz
 
 ;; This file is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
@@ -86,7 +86,7 @@
   (jao-proton-vpn--do "s"))
 
 (defun proton-vpn--get-status ()
-  (or (when-let ((b (get-buffer jao-proton-vpn--buffer)))
+  (or (when-let* ((b (get-buffer jao-proton-vpn--buffer)))
         (with-current-buffer b
           (goto-char (point-min))
           (if (re-search-forward "^Status: *\\(.+\\)$" nil t)
diff --git a/lib/net/randomsig.el b/lib/net/randomsig.el
index 05b95ab..9029f13 100644
--- a/lib/net/randomsig.el
+++ b/lib/net/randomsig.el
@@ -1,6 +1,6 @@
-;;; randomsig.el --- insert a randomly selected signature
+;;; randomsig.el --- insert a randomly selected signature  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2001, 2002, 2013, 2020, 2021, 2024 Hans-J�rgen Ficker
+;; Copyright (C) 2001, 2002, 2013, 2020, 2021, 2024, 2026 Hans-J�rgen Ficker
 
 ;; Emacs Lisp Archive Entry
 ;; Author: Hans-Juergen Ficker <hj@backmes.de>
diff --git a/lib/prog/jao-compilation.el b/lib/prog/jao-compilation.el
index 6c67a7d..fcd8037 100644
--- a/lib/prog/jao-compilation.el
+++ b/lib/prog/jao-compilation.el
@@ -67,8 +67,8 @@
 
 ;;;###autoload
 (defun jao-compilation-root (&optional dir)
-  (when-let ((rfn (jao-compilation-find-root (or dir (buffer-file-name))
-                                             jao-compilation-dominating-rx)))
+  (when-let* ((rfn (jao-compilation-find-root (or dir (buffer-file-name))
+                                              jao-compilation-dominating-rx)))
     (let* ((default-directory (expand-file-name rfn))
            (dir (file-name-directory rfn))
            (rel-path (jao-path-relative-to dir default-directory)))
@@ -80,13 +80,13 @@
 
 ;;;###autoload
 (defun jao-compilation-root-file ()
-  (when-let ((dir (jao-compilation-root)))
+  (when-let* ((dir (jao-compilation-root)))
     (car (directory-files dir nil jao-compilation-dominating-rx))))
 
 ;;;###autoload
 (defun jao-find-compilation-root (dir)
   (when (and (stringp dir) (file-exists-p dir))
-    (when-let ((root (jao-compilation-root dir)))
+    (when-let* ((root (jao-compilation-root dir)))
       (cons 'transient root))))
 
 ;;;###autoload
diff --git a/lib/themes/jao-themes.el b/lib/themes/jao-themes.el
index 65d9c32..d21baf5 100644
--- a/lib/themes/jao-themes.el
+++ b/lib/themes/jao-themes.el
@@ -1199,7 +1199,7 @@
         (push df fs)))))
 
 (defun jao-themes--adjust-palette (p s)
-  (if-let (v (alist-get s p)) (cons (cons s (car v)) (assoc-delete-all s p)) p))
+  (if-let* ((v (alist-get s p))) (cons (cons s (car v)) (assoc-delete-all s p)) p))
 
 (defun jao-themes--let-palette (palette)
   (let ((palette (seq-reduce #'jao-themes--adjust-palette '(fg bg box) palette)))