Prefer setq-local in reftex

* lisp/textmodes/reftex-global.el (reftex-find-duplicate-labels)
(reftex-isearch-minor-mode):
* lisp/textmodes/reftex-index.el (reftex-index-mode)
(reftex-display-index, reftex-index-initialize-phrases-buffer)
(reftex-index-phrases-mode):
* lisp/textmodes/reftex-sel.el (reftex-select-label-mode)
(reftex-select-bib-mode, reftex-insert-docstruct, reftex-select-item):
* lisp/textmodes/reftex-toc.el (reftex-toc-mode, reftex-toc):
* lisp/textmodes/reftex.el (reftex-fontify-select-label-buffer):
Prefer setq-local.

5 files changed, 42 insertions, 44 deletions

diff --git a/lisp/textmodes/reftex-global.el b/lisp/textmodes/reftex-global.el
index 0eaffec3b54..7b4407ec336 100644
--- a/lisp/textmodes/reftex-global.el
+++ b/lisp/textmodes/reftex-global.el
@@ -152,7 +152,7 @@ No active TAGS table is required."
     (setq dlist (reftex-uniquify-by-car dlist))
     (if (null dlist) (error "No duplicate labels in document"))
     (switch-to-buffer-other-window "*Duplicate Labels*")
-    (set (make-local-variable 'TeX-master) master)
+    (setq-local TeX-master master)
     (erase-buffer)
     (insert "                MULTIPLE LABELS IN CURRENT DOCUMENT:\n")
     (insert
@@ -492,17 +492,16 @@ With no argument, this command toggles
               (with-current-buffer crt-buf
                 (when reftex-mode
                   (if (boundp 'multi-isearch-next-buffer-function)
-                      (set (make-local-variable
-                            'multi-isearch-next-buffer-function)
-                           #'reftex-isearch-switch-to-next-file)
-                    (set (make-local-variable 'isearch-wrap-function)
-                         #'reftex-isearch-wrap-function)
-                    (set (make-local-variable 'isearch-search-fun-function)
-                         (lambda () #'reftex-isearch-isearch-search))
-                    (set (make-local-variable 'isearch-push-state-function)
-                         #'reftex-isearch-push-state-function)
-                    (set (make-local-variable 'isearch-next-buffer-function)
-                         #'reftex-isearch-switch-to-next-file))
+                      (setq-local multi-isearch-next-buffer-function
+                                  #'reftex-isearch-switch-to-next-file)
+                    (setq-local isearch-wrap-function
+                                #'reftex-isearch-wrap-function)
+                    (setq-local isearch-search-fun-function
+                                (lambda () #'reftex-isearch-isearch-search))
+                    (setq-local isearch-push-state-function
+                                #'reftex-isearch-push-state-function)
+                    (setq-local isearch-next-buffer-function
+                                #'reftex-isearch-switch-to-next-file))
                   (setq reftex-isearch-minor-mode t))))
             (add-hook 'reftex-mode-hook #'reftex-isearch-minor-mode))
         (dolist (crt-buf (buffer-list))
diff --git a/lisp/textmodes/reftex-index.el b/lisp/textmodes/reftex-index.el
index a93afd63855..db476ff5c0b 100644
--- a/lisp/textmodes/reftex-index.el
+++ b/lisp/textmodes/reftex-index.el
@@ -387,9 +387,9 @@ Press `?' for a summary of important key bindings, or check the menu.
 Here are all local bindings.
 
 \\{reftex-index-mode-map}"
-  (set (make-local-variable 'revert-buffer-function) #'reftex-index-revert)
-  (set (make-local-variable 'reftex-index-restriction-data) nil)
-  (set (make-local-variable 'reftex-index-restriction-indicator) nil)
+  (setq-local revert-buffer-function #'reftex-index-revert)
+  (setq-local reftex-index-restriction-data nil)
+  (setq-local reftex-index-restriction-indicator nil)
   (setq mode-line-format
         (list "----  " 'mode-line-buffer-identification
               "   " 'global-mode-string
@@ -511,9 +511,9 @@ With prefix 3, restrict index to region."
     ;; If the buffer is currently restricted, empty it to force update.
     (when reftex-index-restriction-data
       (reftex-erase-buffer))
-    (set (make-local-variable 'reftex-last-index-file) calling-file)
-    (set (make-local-variable 'reftex-index-tag) index-tag)
-    (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
+    (setq-local reftex-last-index-file calling-file)
+    (setq-local reftex-index-tag index-tag)
+    (setq-local reftex-docstruct-symbol docstruct-symbol)
     (if restriction
         (setq reftex-index-restriction-indicator (car restriction)
               reftex-index-restriction-data (cdr restriction))
@@ -1303,8 +1303,7 @@ If the buffer is non-empty, delete the old header first."
                 (lambda (a _b) (equal (car a) default-macro))))
          macro entry key repeat)
 
-    (if master (set (make-local-variable 'TeX-master)
-                    (file-name-nondirectory master)))
+    (when master (setq-local TeX-master (file-name-nondirectory master)))
 
     (when (> (buffer-size) 0)
       (goto-char 1)
@@ -1387,9 +1386,9 @@ Here are all local bindings.
 
 \\{reftex-index-phrases-mode-map}"
   :syntax-table reftex-index-phrases-syntax-table
-  (set (make-local-variable 'font-lock-defaults)
-       reftex-index-phrases-font-lock-defaults)
-  (set (make-local-variable 'reftex-index-phrases-marker) (make-marker)))
+  (setq-local font-lock-defaults
+              reftex-index-phrases-font-lock-defaults)
+  (setq-local reftex-index-phrases-marker (make-marker)))
 ;; (add-hook 'reftex-index-phrases-mode-hook #'turn-on-font-lock)
 
 (defun reftex-index-next-phrase (&optional arg)
diff --git a/lisp/textmodes/reftex-sel.el b/lisp/textmodes/reftex-sel.el
index fa36543daf4..aec89448481 100644
--- a/lisp/textmodes/reftex-sel.el
+++ b/lisp/textmodes/reftex-sel.el
@@ -97,7 +97,7 @@ Press `?' for a summary of important key bindings.
 During a selection process, these are the local bindings.
 
 \\{reftex-select-label-mode-map}"
-  (set (make-local-variable 'reftex-select-marked) nil)
+  (setq-local reftex-select-marked nil)
   (when (syntax-table-p reftex-latex-syntax-table)
     (set-syntax-table reftex-latex-syntax-table))
   ;; We do not set a local map - reftex-select-item does this.
@@ -136,7 +136,7 @@ Press `?' for a summary of important key bindings.
 During a selection process, these are the local bindings.
 
 \\{reftex-select-label-mode-map}"
-  (set (make-local-variable 'reftex-select-marked) nil)
+  (setq-local reftex-select-marked nil)
   ;; We do not set a local map - reftex-select-item does this.
   )
 
@@ -236,9 +236,9 @@ During a selection process, these are the local bindings.
             (concat "\\`" (regexp-quote
                            (file-name-directory (reftex-TeX-master-file))))))
 
-    (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
-    (set (make-local-variable 'reftex-prefix)
-         (cdr (assoc labels reftex-typekey-to-prefix-alist)))
+    (setq-local reftex-docstruct-symbol docstruct-symbol)
+    (setq-local reftex-prefix
+                (cdr (assoc labels reftex-typekey-to-prefix-alist)))
     (if (equal reftex-prefix " ") (setq reftex-prefix nil))
 
     ;; Walk the docstruct and insert the appropriate stuff
@@ -459,7 +459,7 @@ During a selection process, these are the local bindings.
               (reftex-find-start-point
                (point-min) offset reftex-last-data reftex-last-line)
               (beginning-of-line 1)
-              (set (make-local-variable 'reftex-last-follow-point) (point))
+              (setq-local reftex-last-follow-point (point))
 
       (unwind-protect
           (progn
@@ -480,9 +480,9 @@ During a selection process, these are the local bindings.
         (mapc (lambda (c) (delete-overlay (nth 1 c)))
               reftex-select-marked)))))
 
-    (set (make-local-variable 'reftex-last-line)
-         (+ (count-lines (point-min) (point)) (if (bolp) 1 0)))
-    (set (make-local-variable 'reftex-last-data) reftex--last-data)
+    (setq-local reftex-last-line
+                (+ (count-lines (point-min) (point)) (if (bolp) 1 0)))
+    (setq-local reftex-last-data reftex--last-data)
     (reftex-kill-buffer "*RefTeX Help*")
     (setq reftex-callback-fwd (not reftex-callback-fwd)) ;; ;-)))
     (message "")
diff --git a/lisp/textmodes/reftex-toc.el b/lisp/textmodes/reftex-toc.el
index 1cc6e27e780..fe5a32f15f0 100644
--- a/lisp/textmodes/reftex-toc.el
+++ b/lisp/textmodes/reftex-toc.el
@@ -1,6 +1,6 @@
 ;;; reftex-toc.el --- RefTeX's table of contents mode  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 1997-2000, 2003-2024 Free Software Foundation, Inc.
+;; Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 ;; Author: Carsten Dominik <dominik@science.uva.nl>
 ;; Maintainer: auctex-devel@gnu.org
@@ -125,13 +125,13 @@ Press `?' for a summary of important key bindings.
 Here are all local bindings.
 
 \\{reftex-toc-mode-map}"
-  (set (make-local-variable 'transient-mark-mode) t)
-  (set (make-local-variable 'revert-buffer-function) #'reftex-toc-revert)
-  (set (make-local-variable 'reftex-toc-include-labels-indicator) "")
-  (set (make-local-variable 'reftex-toc-max-level-indicator)
-       (if (= reftex-toc-max-level 100)
-           "ALL"
-         (int-to-string reftex-toc-max-level)))
+  (setq-local transient-mark-mode t)
+  (setq-local revert-buffer-function #'reftex-toc-revert)
+  (setq-local reftex-toc-include-labels-indicator "")
+  (setq-local reftex-toc-max-level-indicator
+              (if (= reftex-toc-max-level 100)
+                  "ALL"
+                (int-to-string reftex-toc-max-level)))
   (setq mode-line-format
         (list "----  " 'mode-line-buffer-identification
               "  " 'global-mode-string "   (" mode-name ")"
@@ -241,7 +241,7 @@ When called with a raw \\[universal-argument] prefix, rescan the document first.
       (switch-to-buffer "*toc*"))
 
     (or (eq major-mode 'reftex-toc-mode) (reftex-toc-mode))
-    (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
+    (setq-local reftex-docstruct-symbol docstruct-symbol)
     (setq reftex-toc-include-labels-indicator
           (if (eq reftex-toc-include-labels t)
               "ALL"
diff --git a/lisp/textmodes/reftex.el b/lisp/textmodes/reftex.el
index 6974a4be4a7..efe38337001 100644
--- a/lisp/textmodes/reftex.el
+++ b/lisp/textmodes/reftex.el
@@ -1,6 +1,6 @@
 ;;; reftex.el --- minor mode for doing \label, \ref, \cite, \index in LaTeX  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 1997-2000, 2003-2024 Free Software Foundation, Inc.
+;; Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 ;; Author: Carsten Dominik <dominik@science.uva.nl>
 ;; Maintainer: auctex-devel@gnu.org
@@ -2036,8 +2036,8 @@ IGNORE-WORDS List of words which should be removed from the string."
           ;; of font-lock)
           (rename-buffer newname t)
           ;; Good: we have the indirection functions
-          (set (make-local-variable 'font-lock-fontify-region-function)
-               #'reftex-select-font-lock-fontify-region)
+          (setq-local font-lock-fontify-region-function
+                      #'reftex-select-font-lock-fontify-region)
           (let ((major-mode 'latex-mode))
             (font-lock-mode 1)))
       (rename-buffer oldname))))