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[Emacs-diffs] master 3a5f751: * org.el: Fix up some lexical scoping warn


From: Stefan Monnier
Subject: [Emacs-diffs] master 3a5f751: * org.el: Fix up some lexical scoping warnings, and use dolist
Date: Sat, 08 Aug 2015 23:42:04 +0000

branch: master
commit 3a5f75193ed10ee5fb458e9879340947f31d5e12
Author: Stefan Monnier <address@hidden>
Commit: Stefan Monnier <address@hidden>

    * org.el: Fix up some lexical scoping warnings, and use dolist
    
    * lisp/org/org.el (org-set-regexps-and-options-for-tags, org-goto-map)
    (org-set-regexps-and-options, org-assign-fast-keys)
    (org-contextualize-keys, org-contextualize-validate-key)
    (org-notes-order-reversed-p, org-local-logging, org-map-entries)
    (org-find-olp, org-find-exact-heading-in-directory)
    (org-cycle-agenda-files, org-release-buffers, org-fill-template)
    (org-agenda-prepare-buffers, org-occur-in-agenda-files)
    (org-replace-escapes): Use dolist.
    (org-mode): Optimize away XEmacs-only code.
    (org-refile-get-targets): Remove unused var `f'.
    (org-fast-todo-selection): Remove unused var `e'.
    (org-make-tags-matcher): Use dolist.  Remove unused var `term'.
    (org-fast-tag-selection): Use dolist.  Remove unused var `e'.
    (org-format-latex): Use dolist.  Remove unused var `e'.
    (org-toggle-heading): Access vars lexically rather than dynamically.
    (org-backward-sentence, org-forward-sentence, org-meta-return)
    (org-kill-line): Mark arg as unused.
    (org-submit-bug-report): Silence compiler warning.
    (org-occur-in-agenda-files): Don't use add-to-list on local vars.
    (org-get-cursor-date): Remove unused var `tm'.
    (org-comment-or-uncomment-region): Use standard name `_'.
    (reftex-docstruct-symbol, reftex-cite-format): Declare to
    silence byte-compiler.
    (org-reftex-citation): Add `org--' prefix to dynamically scoped
    `rds' var.
---
 lisp/org/org.el |  214 +++++++++++++++++++++++++++++--------------------------
 1 files changed, 114 insertions(+), 100 deletions(-)

diff --git a/lisp/org/org.el b/lisp/org/org.el
index b545f9e..0cc185c 100644
--- a/lisp/org/org.el
+++ b/lisp/org/org.el
@@ -4860,8 +4860,8 @@ Support for group tags is controlled by the option
                                             (if (characterp (cdr tg))
                                                 (format "(%s)" (char-to-string 
(cdr tg))) "")))))
               org-tag-alist)))
-      (let (e tgs g)
-       (while (setq e (pop tags))
+      (let (tgs g)
+       (dolist (e tags)
          (cond
           ((equal e "{")
            (progn (push '(:startgroup) tgs)
@@ -4875,7 +4875,8 @@ Support for group tags is controlled by the option
           ((equal e "\\n") (push '(:newline) tgs))
           ((string-match (org-re "^\\([[:alnum:address@hidden)(\\(.\\))$") e)
            (push (cons (match-string 1 e)
-                       (string-to-char (match-string 2 e))) tgs)
+                       (string-to-char (match-string 2 e)))
+                  tgs)
            (if (and g (> g 0))
                (setcar org-tag-groups-alist
                        (append (car org-tag-groups-alist)
@@ -4887,7 +4888,7 @@ Support for group tags is controlled by the option
                          (append (car org-tag-groups-alist) (list e))))
              (if g (setq g (1+ g))))))
        (org-set-local 'org-tag-alist nil)
-       (while (setq e (pop tgs))
+       (dolist (e tgs)
          (or (and (stringp (car e))
                   (assoc (car e) org-tag-alist))
              (push e org-tag-alist)))
@@ -4957,7 +4958,8 @@ Support for group tags is controlled by the option
             ((string-match "\\`\\([a-zA-Z][0-9a-zA-Z_]*\\)_TODO\\'" key)
              ;; general TODO-like setup
              (push (cons (intern (downcase (match-string 1 key)))
-                         (org-split-string value splitre)) kwds))
+                         (org-split-string value splitre))
+                    kwds))
             ((equal key "COLUMNS")
              (org-set-local 'org-columns-default-format value))
             ((equal key "LINK")
@@ -4978,8 +4980,8 @@ Support for group tags is controlled by the option
              (org-table-set-constants))
             ((equal key "STARTUP")
              (let ((opts (org-split-string value splitre))
-                   l var val)
-               (while (setq l (pop opts))
+                   var val)
+               (dolist (l opts)
                  (when (setq l (assoc l org-startup-options))
                    (setq var (nth 1 l) val (nth 2 l))
                    (if (not (nth 3 l))
@@ -5041,8 +5043,8 @@ Support for group tags is controlled by the option
                                   (default-value 'org-todo-keywords)))))
        (setq kwds (reverse kwds)))
       (setq kwds (nreverse kwds))
-      (let (inter kws kw)
-       (while (setq kws (pop kwds))
+      (let (inter kw)
+       (dolist (kws kwds)
          (let ((kws (or
                      (run-hook-with-args-until-success
                       'org-todo-setup-filter-hook kws)
@@ -5210,8 +5212,8 @@ This will extract info from a string like \"WAIT(w@/!)\"."
 (defun org-assign-fast-keys (alist)
   "Assign fast keys to a keyword-key alist.
 Respect keys that are already there."
-  (let (new e (alt ?0))
-    (while (setq e (pop alist))
+  (let (new (alt ?0))
+    (dolist (e alist)
       (if (or (memq (car e) '(:newline :grouptags :endgroup :startgroup))
              (cdr e)) ;; Key already assigned.
          (push e new)
@@ -5330,8 +5332,9 @@ The following commands are available:
     (define-key org-mode-map [menu-bar show] 'undefined))
 
   (org-load-modules-maybe)
-  (easy-menu-add org-org-menu)
-  (easy-menu-add org-tbl-menu)
+  (when (featurep 'xemacs)
+    (easy-menu-add org-org-menu)
+    (easy-menu-add org-tbl-menu))
   (org-install-agenda-files-menu)
   (if org-descriptive-links (add-to-invisibility-spec '(org-link)))
   (add-to-invisibility-spec '(org-cwidth))
@@ -7265,9 +7268,8 @@ Optional arguments START and END can be used to limit the 
range."
   (setq org-goto-map
        (let ((map (make-sparse-keymap)))
          (let ((cmds '(isearch-forward isearch-backward kill-ring-save 
set-mark-command
-                                       mouse-drag-region universal-argument 
org-occur))
-               cmd)
-           (while (setq cmd (pop cmds))
+                                       mouse-drag-region universal-argument 
org-occur)))
+           (dolist (cmd cmds)
              (substitute-key-definition cmd cmd map global-map)))
          (suppress-keymap map)
          (org-defkey map "\C-m"     'org-goto-ret)
@@ -8564,7 +8566,8 @@ and still retain the repeater to cover future instances 
of the task."
              (goto-char (point-min))
              (while (re-search-forward drawer-re nil t)
                (mapc (lambda (d)
-                       (org-remove-empty-drawer-at d (point))) org-drawers)))
+                       (org-remove-empty-drawer-at d (point)))
+                      org-drawers)))
            (goto-char (point-min))
            (when doshift
              (while (re-search-forward org-ts-regexp-both nil t)
@@ -8598,7 +8601,8 @@ Optional argument WITH-CASE means sort case-sensitively."
   (while (string-match org-bracket-link-regexp s)
     (setq s (replace-match (if (match-end 2)
                               (match-string 3 s)
-                            (match-string 1 s)) t t s)))
+                            (match-string 1 s))
+                           t t s)))
   (let ((st (format " %s " s)))
     (while (string-match org-emph-re st)
       (setq st (replace-match (format " %s " (match-string 4 st)) t t st)))
@@ -9148,10 +9152,11 @@ definitions."
                            (list (car c) (car c) (cadr c)))
                           ((string= "" (cadr c))
                            (list (car c) (car c) (caddr c)))
-                          (t c))) contexts))
-       (a alist) c r s)
+                          (t c)))
+          contexts))
+       (a alist) r s)
     ;; loop over all commands or templates
-    (while (setq c (pop a))
+    (dolist (c a)
       (let (vrules repl)
        (cond
         ((not (assoc (car c) contexts))
@@ -9161,7 +9166,8 @@ definitions."
                             (car c) contexts)))
          (mapc (lambda (vr)
                  (when (not (equal (car vr) (cadr vr)))
-                   (setq repl vr))) vrules)
+                   (setq repl vr)))
+                vrules)
          (if (not repl) (push c r)
            (push (cadr repl) s)
            (push
@@ -9178,14 +9184,16 @@ definitions."
                (let ((tpl (car x)))
                  (when (not (delq
                              nil
-                             (mapcar (lambda(y)
-                                       (equal y tpl)) s))) x)))
+                             (mapcar (lambda (y)
+                                       (equal y tpl))
+                                      s)))
+                    x)))
              (reverse r))))))
 
 (defun org-contextualize-validate-key (key contexts)
   "Check CONTEXTS for agenda or capture KEY."
-  (let (r rr res)
-    (while (setq r (pop contexts))
+  (let (rr res)
+    (dolist (r contexts)
       (mapc
        (lambda (rr)
         (when
@@ -9484,7 +9492,8 @@ active region."
                  (funcall (caar sfuns)))
              (setq link (plist-get org-store-link-plist :link)
                    desc (or (plist-get org-store-link-plist
-                                       :description) link))))
+                                       :description)
+                             link))))
 
        ;; Store a link from a source code buffer
        ((org-src-edit-buffer-p)
@@ -9664,7 +9673,8 @@ active region."
 
        ;; Return the link
        (if (not (and (or (org-called-interactively-p 'any)
-                        executing-kbd-macro) link))
+                        executing-kbd-macro)
+                     link))
           (or agenda-link (and link (org-make-link-string link desc)))
         (push (list link desc) org-stored-links)
         (message "Stored: %s" (or desc link))
@@ -10897,7 +10907,7 @@ visibility around point, thus ignoring
 enclose the position of `org-open-link-marker'."
   (let ((m org-open-link-marker))
     (catch 'exit
-      (while (apply 're-search-forward args)
+      (while (apply #'re-search-forward args)
        (unless (get-text-property (match-end group) 'intangible) ; Emacs 21
          (goto-char (match-end group))
          (if (and (or (not (eq (marker-buffer m) (current-buffer)))
@@ -11248,12 +11258,9 @@ on the system \"/address@hidden:\"."
    ((eq t org-reverse-note-order) t)
    ((not (listp org-reverse-note-order)) nil)
    (t (catch 'exit
-       (let  ((all org-reverse-note-order)
-              entry)
-         (while (setq entry (pop all))
-           (if (string-match (car entry) buffer-file-name)
-               (throw 'exit (cdr entry))))
-         nil)))))
+        (dolist (entry org-reverse-note-order)
+          (if (string-match (car entry) buffer-file-name)
+              (throw 'exit (cdr entry))))))))
 
 (defvar org-refile-target-table nil
   "The list of refile targets, created by `org-refile'.")
@@ -11318,10 +11325,10 @@ on the system \"/address@hidden:\"."
   (let ((case-fold-search nil)
        ;; otherwise org confuses "TODO" as a kw and "Todo" as a word
        (entries (or org-refile-targets '((nil . (:level . 1)))))
-       targets tgs txt re files f desc descre fast-path-p level pos0)
+       targets tgs txt re files desc descre fast-path-p level pos0)
     (message "Getting targets...")
     (with-current-buffer (or default-buffer (current-buffer))
-      (while (setq entry (pop entries))
+      (dolist (entry entries)
        (setq files (car entry) desc (cdr entry))
        (setq fast-path-p nil)
        (cond
@@ -11354,7 +11361,7 @@ on the system \"/address@hidden:\"."
                                              (cdr desc)))
                               "\\}[ \t]")))
         (t (error "Bad refiling target description %s" desc)))
-       (while (setq f (pop files))
+       (dolist (f files)
          (with-current-buffer
              (if (bufferp f) f (org-get-agenda-file-buffer f))
            (or
@@ -12736,20 +12743,19 @@ This hook runs even if there is no statistics cookie 
present, in which case
 
 (defun org-local-logging (value)
   "Get logging settings from a property VALUE."
-  (let* (words w a)
-    ;; directly set the variables, they are already local.
-    (setq org-log-done nil
-         org-log-repeat nil
-         org-todo-log-states nil)
-    (setq words (org-split-string value))
-    (while (setq w (pop words))
+  ;; Directly set the variables, they are already local.
+  (setq org-log-done nil
+        org-log-repeat nil
+        org-todo-log-states nil)
+  (dolist (w (org-split-string value))
+    (let* (a)
       (cond
        ((setq a (assoc w org-startup-options))
-       (and (member (nth 1 a) '(org-log-done org-log-repeat))
-            (set (nth 1 a) (nth 2 a))))
+        (and (member (nth 1 a) '(org-log-done org-log-repeat))
+             (set (nth 1 a) (nth 2 a))))
        ((setq a (org-extract-log-state-settings w))
-       (and (member (car a) org-todo-keywords-1)
-            (push a org-todo-log-states)))))))
+        (and (member (car a) org-todo-keywords-1)
+             (push a org-todo-log-states)))))))
 
 (defun org-get-todo-sequence-head (kwd)
   "Return the head of the TODO sequence to which KWD belongs.
@@ -12779,7 +12785,7 @@ Returns the new TODO keyword, or nil if no state change 
should occur."
         (expert nil)
         (fwidth (+ maxlen 3 1 3))
         (ncol (/ (- (window-width) 4) fwidth))
-        tg cnt e c tbl
+        tg cnt c tbl
         groups ingroup)
     (save-excursion
       (save-window-excursion
@@ -12789,7 +12795,7 @@ Returns the new TODO keyword, or nil if no state change 
should occur."
        (erase-buffer)
        (org-set-local 'org-done-keywords done-keywords)
        (setq tbl fulltable cnt 0)
-       (while (setq e (pop tbl))
+       (dolist (e tbl)
          (cond
           ((equal e '(:startgroup))
            (push '() groups) (setq ingroup t)
@@ -14123,7 +14129,7 @@ See also `org-scan-tags'.
        (re (org-re 
"^&?\\([-+:]\\)?\\({[^}]+}\\|LEVEL\\([<=>]\\{1,2\\}\\)\\([0-9]+\\)\\|\\(\\(?:[[:alnum:]_]+\\(?:\\\\-\\)*\\)+\\)\\([<>=]\\{1,2\\}\\)\\({[^}]+}\\|\"[^\"]*\"\\|-?[.0-9]+\\(?:[eE][-+]?[0-9]+\\)?\\)\\|[[:alnum:address@hidden)"))
        minus tag mm
        tagsmatch todomatch tagsmatcher todomatcher kwd matcher
-       orterms term orlist re-p str-p level-p level-op time-p
+       orterms orlist re-p str-p level-p level-op time-p
        prop-p pn pv po gv rest (start 0) (ss 0))
     ;; Expand group tags
     (setq match (org-tags-expand match))
@@ -14152,7 +14158,7 @@ See also `org-scan-tags'.
     (if (or (not tagsmatch) (not (string-match "\\S-" tagsmatch)))
        (setq tagsmatcher t)
       (setq orterms (org-split-string tagsmatch "|") orlist nil)
-      (while (setq term (pop orterms))
+      (dolist (term orterms)
        (while (and (equal (substring term -1) "\\") orterms)
          (setq term (concat term "|" (pop orterms)))) ; repair bad split
        (while (string-match re term)
@@ -14213,7 +14219,7 @@ See also `org-scan-tags'.
     (if (or (not todomatch) (not (string-match "\\S-" todomatch)))
        (setq todomatcher t)
       (setq orterms (org-split-string todomatch "|") orlist nil)
-      (while (setq term (pop orterms))
+      (dolist (term orterms)
        (while (string-match re term)
          (setq minus (and (match-end 1)
                           (equal (match-string 1 term) "-"))
@@ -14282,7 +14288,8 @@ When DOWNCASE is non-nil, expand downcased TAGS."
                    (with-syntax-table stable
                      (string-match
                       (concat "\\(?1:[+-]?\\)\\(?2:\\<"
-                              (regexp-opt tml) "\\>\\)") rtnmatch)))
+                              (regexp-opt tml) "\\>\\)")
+                       rtnmatch)))
          (let* ((dir (match-string 1 rtnmatch))
                 (tag (match-string 2 rtnmatch))
                 (tag (if downcased (downcase tag) tag)))
@@ -14418,7 +14425,8 @@ ignore inherited ones."
          (reverse (delete-dups
                    (reverse (append
                              (org-remove-uninherited-tags
-                              org-file-tags) tags)))))))))
+                              org-file-tags)
+                              tags)))))))))
 
 (defun org-add-prop-inherited (s)
   (add-text-properties 0 (length s) '(inherited t) s)
@@ -14750,7 +14758,7 @@ Returns the new tags string, or nil to not change the 
current settings."
         (ncol (/ (- (window-width) 4) fwidth))
         (i-face 'org-done)
         (c-face 'org-todo)
-        tg cnt e c char c1 c2 ntable tbl rtn
+        tg cnt c char c1 c2 ntable tbl rtn
         ov-start ov-end ov-prefix
         (exit-after-next org-fast-tag-selection-single-key)
         (done-keywords org-done-keywords)
@@ -14785,7 +14793,7 @@ Returns the new tags string, or nil to not change the 
current settings."
       (org-fast-tag-show-exit exit-after-next)
       (org-set-current-tags-overlay current ov-prefix)
       (setq tbl fulltable char ?a cnt 0)
-      (while (setq e (pop tbl))
+      (dolist (e tbl)
        (cond
         ((equal (car e) :startgroup)
          (push '() groups) (setq ingroup t)
@@ -15077,7 +15085,7 @@ a *different* entry, you cannot use these techniques."
             ((eq scope 'file-with-archives)
              (setq scope (org-add-archive-files (list (buffer-file-name))))))
            (org-agenda-prepare-buffers scope)
-           (while (setq file (pop scope))
+           (dolist (file scope)
              (with-current-buffer (org-find-base-buffer-visiting file)
                (save-excursion
                  (save-restriction
@@ -16034,7 +16042,7 @@ only headings."
          (widen)
          (setq limit (point-max))
          (goto-char (point-min))
-         (while (setq heading (pop path))
+         (dolist (heading path)
            (setq re (format org-complex-heading-regexp-format
                             (regexp-quote heading)))
            (setq cnt 0 pos (point))
@@ -16079,7 +16087,7 @@ When the target headline is found, return a marker to 
this location."
                                nil "\\`[^.#].*\\.org\\'"))
         file visiting m buffer)
     (catch 'found
-      (while (setq file (pop files))
+      (dolist (file files)
         (message "trying %s" file)
         (setq visiting (org-find-base-buffer-visiting file))
         (setq buffer (or visiting (find-file-noselect file)))
@@ -18037,7 +18045,7 @@ If the current buffer does not, find the first agenda 
file."
         file)
     (unless files (user-error "No agenda files"))
     (catch 'exit
-      (while (setq file (pop files))
+      (dolist (file files)
        (if (equal (file-truename file) tcf)
            (when (car files)
              (find-file (car files))
@@ -18123,8 +18131,8 @@ it to the list of buffers which might be released 
later."
   "Release all buffers in list, asking the user for confirmation when needed.
 When a buffer is unmodified, it is just killed.  When modified, it is saved
 \(if the user agrees) and then killed."
-  (let (buf file)
-    (while (setq buf (pop blist))
+  (let (file)
+    (dolist (buf blist)
       (setq file (buffer-file-name buf))
       (when (and (buffer-modified-p buf)
                 file
@@ -18146,7 +18154,7 @@ When a buffer is unmodified, it is just killed.  When 
modified, it is saved
          org-tag-groups-alist-for-agenda nil)
     (save-excursion
       (save-restriction
-       (while (setq file (pop files))
+       (dolist (file files)
          (catch 'nextfile
            (if (bufferp file)
                (set-buffer file)
@@ -18426,11 +18434,11 @@ Some of the options can be changed using the variable
         (optnew org-format-latex-options)
         (matchers (plist-get opt :matchers))
         (re-list org-latex-regexps)
-        (cnt 0) txt hash link beg end re e checkdir
+        (cnt 0) txt hash link beg end re checkdir
         string
         m n block-type block linkfile movefile ov)
     ;; Check the different regular expressions
-    (while (setq e (pop re-list))
+    (dolist (e re-list)
       (setq m (car e) re (nth 1 e) n (nth 2 e) block-type (nth 3 e)
            block (if block-type "\n\n" ""))
       (when (member m matchers)
@@ -19054,7 +19062,7 @@ BEG and END default to the buffer boundaries."
 (org-defkey org-mode-map "\C-i"       'org-cycle)
 (org-defkey org-mode-map [(tab)]      'org-cycle)
 (org-defkey org-mode-map [(control tab)] 'org-force-cycle-archived)
-(org-defkey org-mode-map "\M-\t" 'pcomplete)
+(org-defkey org-mode-map "\M-\t" #'pcomplete)
 ;; The following line is necessary under Suse GNU/Linux
 (unless (featurep 'xemacs)
   (org-defkey org-mode-map [S-iso-lefttab]  'org-shifttab))
@@ -19121,7 +19129,7 @@ BEG and END default to the buffer boundaries."
   (org-defkey org-mode-map [?\C-c (right)] 'org-shiftright)
   (org-defkey org-mode-map [?\C-c ?\C-x (right)] 'org-shiftcontrolright)
   (org-defkey org-mode-map [?\C-c ?\C-x (left)] 'org-shiftcontrolleft)
-  (org-defkey org-mode-map [?\e (tab)] 'pcomplete)
+  (org-defkey org-mode-map [?\e (tab)] #'pcomplete)
   (org-defkey org-mode-map [?\e (shift return)] 'org-insert-todo-heading)
   (org-defkey org-mode-map [?\e (shift left)]   'org-shiftmetaleft)
   (org-defkey org-mode-map [?\e (shift right)]  'org-shiftmetaright)
@@ -20784,8 +20792,8 @@ number of stars to add."
                   (insert
                    (org-list-to-subtree
                     (org-list-parse-list t)
-                    '(:istart (concat stars add-stars (funcall get-stars 
depth))
-                              :icount (concat stars add-stars (funcall 
get-stars depth)))))))
+                    `(:istart (concat ',stars ',add-stars (funcall get-stars 
depth))
+                       :icount (concat ',stars ',add-stars (funcall get-stars 
depth)))))))
               (setq toggled t))
             (forward-line))))
        ;; Case 3. Started at normal text: make every line an heading,
@@ -20807,11 +20815,11 @@ number of stars to add."
               (forward-line)))))))
     (unless toggled (message "Cannot toggle heading from here"))))
 
-(defun org-meta-return (&optional arg)
+(defun org-meta-return (&optional _arg)
   "Insert a new heading or wrap a region in a table.
 Calls `org-insert-heading' or `org-table-wrap-region', depending
 on context.  See the individual commands for more information."
-  (interactive "P")
+  (interactive)
   (org-check-before-invisible-edit 'insert)
   (or (run-hook-with-args-until-success 'org-metareturn-hook)
       (let* ((element (org-element-at-point))
@@ -21109,6 +21117,7 @@ output buffer into your mail program, as it gives us 
important
 information about your Org-mode version and configuration."
   (interactive)
   (require 'reporter)
+  (defvar reporter-prompt-for-summary-p)
   (org-load-modules-maybe)
   (org-require-autoloaded-modules)
   (let ((reporter-prompt-for-summary-p "Bug report subject: "))
@@ -21368,11 +21377,13 @@ upon the next fontification round."
                                        'invisible 'org-link s))
        (setq s (concat (substring s 0 b)
                        (substring s (or (next-single-property-change
-                                         b 'invisible s) (length s)))))))
+                                         b 'invisible s)
+                                         (length s)))))))
     (while (setq b (text-property-any 0 (length s) 'org-cwidth t s))
       (setq s (concat (substring s 0 b)
                      (substring s (or (next-single-property-change
-                                       b 'org-cwidth s) (length s))))))
+                                       b 'org-cwidth s)
+                                       (length s))))))
     (setq l (string-width s) b -1)
     (while (setq b (text-property-any (1+ b) (length s) 'org-dwidth t s))
       (setq l (- l (get-text-property b 'org-dwidth-n s))))
@@ -21469,11 +21480,9 @@ N may optionally be the number of spaces to remove."
 
 (defun org-fill-template (template alist)
   "Find each %key of ALIST in TEMPLATE and replace it."
-  (let ((case-fold-search nil)
-       entry key value)
-    (setq alist (sort (copy-sequence alist)
-                     (lambda (a b) (< (length (car a)) (length (car b))))))
-    (while (setq entry (pop alist))
+  (let ((case-fold-search nil))
+    (dolist (entry (sort (copy-sequence alist)
+                         (lambda (a b) (< (length (car a)) (length (car b))))))
       (setq template
            (replace-regexp-in-string
             (concat "%" (regexp-quote (car entry)))
@@ -21795,23 +21804,24 @@ block from point."
        "^[ \t]*:end:.*$"
        lim-up lim-down))))
 
-(defun org-occur-in-agenda-files (regexp &optional nlines)
+(defun org-occur-in-agenda-files (regexp &optional _nlines)
   "Call `multi-occur' with buffers for all agenda files."
-  (interactive "sOrg-files matching: \np")
+  (interactive "sOrg-files matching: ")
   (let* ((files (org-agenda-files))
-        (tnames (mapcar 'file-truename files))
-        (extra org-agenda-text-search-extra-files)
-        f)
+        (tnames (mapcar #'file-truename files))
+        (extra org-agenda-text-search-extra-files))
     (when (eq (car extra) 'agenda-archives)
       (setq extra (cdr extra))
       (setq files (org-add-archive-files files)))
-    (while (setq f (pop extra))
+    (dolist (f extra)
       (unless (member (file-truename f) tnames)
-       (add-to-list 'files f 'append)
-       (add-to-list 'tnames (file-truename f) 'append)))
+        (unless (member f files) (setq files (append files (list f))))
+        (setq tnames (append tnames (list (file-truename f))))))
     (multi-occur
      (mapcar (lambda (x)
               (with-current-buffer
+                   ;; FIXME: Why not just (find-file-noselect x)?
+                   ;; Is it to avoid the "revert buffer" prompt?
                   (or (get-file-buffer x) (find-file-noselect x))
                 (widen)
                 (current-buffer)))
@@ -21996,7 +22006,7 @@ so values can contain further %-escapes if they are 
define later in TABLE."
        (case-fold-search nil)
         (pchg 0)
         e re rpl)
-    (while (setq e (pop tbl))
+    (dolist (e tbl)
       (setq re (concat "%-?[0-9.]*" (substring (car e) 1)))
       (when (and (cdr e) (string-match re (cdr e)))
         (let ((sref (substring (cdr e) (match-beginning 0) (match-end 0)))
@@ -22059,7 +22069,7 @@ This works in the calendar and in the agenda, anywhere 
else it just
 returns the current time.
 If WITH-TIME is non-nil, returns the time of the event at point (in
 the agenda) or the current time of the day."
-  (let (date day defd tp tm hod mod)
+  (let (date day defd tp hod mod)
     (when with-time
       (setq tp (get-text-property (point) 'time))
       (when (and tp (string-match "\\([0-9][0-9]\\):\\([0-9][0-9]\\)" tp))
@@ -22590,7 +22600,7 @@ If the line is empty, insert comment at its beginning."
   (insert "# "))
 
 (defvar comment-empty-lines)           ; From newcomment.el.
-(defun org-comment-or-uncomment-region (beg end &rest ignore)
+(defun org-comment-or-uncomment-region (beg end &rest _)
   "Comment or uncomment each non-blank line in the region.
 Uncomment each non-blank line between BEG and END if it only
 contains commented lines.  Otherwise, comment them."
@@ -22782,6 +22792,10 @@ this line is also exported in fixed-width font."
          (goto-char (match-end 0))
          (insert org-quote-string " ")))))))
 
+(defvar reftex-docstruct-symbol)
+(defvar reftex-cite-format)
+(defvar org--rds)
+
 (defun org-reftex-citation ()
   "Use reftex-citation to insert a citation into the buffer.
 This looks for a line like
@@ -22796,9 +22810,9 @@ into the buffer.
 Export of such citations to both LaTeX and HTML is handled by the contributed
 package ox-bibtex by Taru Karttunen."
   (interactive)
-  (let ((reftex-docstruct-symbol 'rds)
+  (let ((reftex-docstruct-symbol 'org--rds)
        (reftex-cite-format "\\cite{%l}")
-       rds bib)
+       org--rds bib)
     (save-excursion
       (save-restriction
        (widen)
@@ -22809,7 +22823,7 @@ package ox-bibtex by Taru Karttunen."
                         (re-search-backward re nil t))))
              (error "No bibliography defined in file")
            (setq bib (concat (match-string 1) ".bib")
-                 rds (list (list 'bib bib)))))))
+                 org--rds (list (list 'bib bib)))))))
     (call-interactively 'reftex-citation)))
 
 ;;;; Functions extending outline functionality
@@ -22926,20 +22940,20 @@ the cursor is already beyond the end of the headline."
 (define-key org-mode-map "\C-a" 'org-beginning-of-line)
 (define-key org-mode-map "\C-e" 'org-end-of-line)
 
-(defun org-backward-sentence (&optional arg)
+(defun org-backward-sentence (&optional _arg)
   "Go to beginning of sentence, or beginning of table field.
 This will call `backward-sentence' or `org-table-beginning-of-field',
 depending on context."
-  (interactive "P")
+  (interactive)
   (cond
    ((org-at-table-p) (call-interactively 'org-table-beginning-of-field))
    (t (call-interactively 'backward-sentence))))
 
-(defun org-forward-sentence (&optional arg)
+(defun org-forward-sentence (&optional _arg)
   "Go to end of sentence, or end of table field.
 This will call `forward-sentence' or `org-table-end-of-field',
 depending on context."
-  (interactive "P")
+  (interactive)
   (cond
    ((org-at-table-p) (call-interactively 'org-table-end-of-field))
    (t (call-interactively 'forward-sentence))))
@@ -22947,9 +22961,9 @@ depending on context."
 (define-key org-mode-map "\M-a" 'org-backward-sentence)
 (define-key org-mode-map "\M-e" 'org-forward-sentence)
 
-(defun org-kill-line (&optional arg)
+(defun org-kill-line (&optional _arg)
   "Kill line, to tags or end of line."
-  (interactive "P")
+  (interactive)
   (cond
    ((or (not org-special-ctrl-k)
        (bolp)



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