lisp/org/org-compat.el

   1 ;;; org-compat.el --- Compatibility code for Org-mode
   2
   3 ;; Copyright (C) 2004-2016 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;;
   9 ;; This file is part of GNU Emacs.
  10 ;;
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24 ;;
  25 ;;; Commentary:
  26
  27 ;; This file contains code needed for compatibility with XEmacs and older
  28 ;; versions of GNU Emacs.
  29
  30 ;;; Code:
  31
  32 (eval-when-compile
  33   (require 'cl))
  34
  35 (require 'org-macs)
  36
  37 ;; The following constant is for backward compatibility.  We do not use
  38 ;; it in org-mode, because the Byte compiler evaluates (featurep 'xemacs)
  39 ;; at compilation time and can therefore optimize code better.
  40 (defconst org-xemacs-p (featurep 'xemacs))
  41 (defconst org-format-transports-properties-p
  42   (let ((x "a"))
  43     (add-text-properties 0 1 '(test t) x)
  44     (get-text-property 0 'test (format "%s" x)))
  45   "Does format transport text properties?")
  46
  47 (defun org-compatible-face (inherits specs)
  48   "Make a compatible face specification.
  49 If INHERITS is an existing face and if the Emacs version supports it,
  50 just inherit the face.  If INHERITS is set and the Emacs version does
  51 not support it, copy the face specification from the inheritance face.
  52 If INHERITS is not given and SPECS is, use SPECS to define the face.
  53 XEmacs and Emacs 21 do not know about the `min-colors' attribute.
  54 For them we convert a (min-colors 8) entry to a `tty' entry and move it
  55 to the top of the list.  The `min-colors' attribute will be removed from
  56 any other entries, and any resulting duplicates will be removed entirely."
  57   (when (and inherits (facep inherits) (not specs))
  58     (setq specs (or specs
  59                     (get inherits 'saved-face)
  60                     (get inherits 'face-defface-spec))))
  61   (cond
  62    ((and inherits (facep inherits)
  63          (not (featurep 'xemacs))
  64          (>= emacs-major-version 22)
  65          ;; do not inherit outline faces before Emacs 23
  66          (or (>= emacs-major-version 23)
  67              (not (string-match "\\`outline-[0-9]+"
  68                                 (symbol-name inherits)))))
  69     (list (list t :inherit inherits)))
  70    ((or (featurep 'xemacs) (< emacs-major-version 22))
  71     ;; These do not understand the `min-colors' attribute.
  72     (let (r e a)
  73       (while (setq e (pop specs))
  74         (cond
  75          ((memq (car e) '(t default)) (push e r))
  76          ((setq a (member '(min-colors 8) (car e)))
  77           (nconc r (list (cons (cons '(type tty) (delq (car a) (car e)))
  78                                (cdr e)))))
  79          ((setq a (assq 'min-colors (car e)))
  80           (setq e (cons (delq a (car e)) (cdr e)))
  81           (or (assoc (car e) r) (push e r)))
  82          (t (or (assoc (car e) r) (push e r)))))
  83       (nreverse r)))
  84    (t specs)))
  85 (put 'org-compatible-face 'lisp-indent-function 1)
  86
  87 (defun org-version-check (version feature level)
  88   (let* ((v1 (mapcar 'string-to-number (split-string version "[.]")))
  89          (v2 (mapcar 'string-to-number (split-string emacs-version "[.]")))
  90          (rmaj (or (nth 0 v1) 99))
  91          (rmin (or (nth 1 v1) 99))
  92          (rbld (or (nth 2 v1) 99))
  93          (maj (or (nth 0 v2) 0))
  94          (min (or (nth 1 v2) 0))
  95          (bld (or (nth 2 v2) 0)))
  96     (if (or (< maj rmaj)
  97             (and (= maj rmaj)
  98                  (< min rmin))
  99             (and (= maj rmaj)
 100                  (= min rmin)
 101                  (< bld rbld)))
 102         (if (eq level :predicate)
 103             ;; just return if we have the version
 104             nil
 105           (let ((msg (format "Emacs %s or greater is recommended for %s"
 106                              version feature)))
 107             (display-warning 'org msg level)
 108             t))
 109       t)))
 110
 111 \f
 112 ;;;; Emacs/XEmacs compatibility
 113
 114 (eval-and-compile
 115   (defun org-defvaralias (new-alias base-variable &optional docstring)
 116     "Compatibility function for defvaralias.
 117 Don't do the aliasing when `defvaralias' is not bound."
 118     (declare (indent 1))
 119     (when (fboundp 'defvaralias)
 120       (defvaralias new-alias base-variable docstring)))
 121
 122   (when (and (not (boundp 'user-emacs-directory))
 123              (boundp 'user-init-directory))
 124     (org-defvaralias 'user-emacs-directory 'user-init-directory)))
 125
 126 (when (featurep 'xemacs)
 127   (defadvice custom-handle-keyword
 128     (around org-custom-handle-keyword
 129             activate preactivate)
 130     "Remove custom keywords not recognized to avoid producing an error."
 131     (cond
 132      ((eq (ad-get-arg 1) :package-version))
 133      (t ad-do-it)))
 134   (defadvice define-obsolete-variable-alias
 135     (around org-define-obsolete-variable-alias
 136             (obsolete-name current-name &optional when docstring)
 137             activate preactivate)
 138     "Declare arguments defined in later versions of Emacs."
 139     ad-do-it)
 140   (defadvice define-obsolete-function-alias
 141     (around org-define-obsolete-function-alias
 142             (obsolete-name current-name &optional when docstring)
 143             activate preactivate)
 144     "Declare arguments defined in later versions of Emacs."
 145     ad-do-it)
 146   (defvar customize-package-emacs-version-alist nil)
 147   (defvar temporary-file-directory (temp-directory)))
 148
 149 ;; Keys
 150 (defconst org-xemacs-key-equivalents
 151   '(([mouse-1] . [button1])
 152     ([mouse-2] . [button2])
 153     ([mouse-3] . [button3])
 154     ([C-mouse-4] . [(control mouse-4)])
 155     ([C-mouse-5] . [(control mouse-5)]))
 156   "Translation alist for a couple of keys.")
 157
 158 ;; Overlay compatibility functions
 159 (defun org-detach-overlay (ovl)
 160   (if (featurep 'xemacs) (detach-extent ovl) (delete-overlay ovl)))
 161 (defun org-overlay-display (ovl text &optional face evap)
 162   "Make overlay OVL display TEXT with face FACE."
 163   (if (featurep 'xemacs)
 164       (let ((gl (make-glyph text)))
 165         (and face (set-glyph-face gl face))
 166         (set-extent-property ovl 'invisible t)
 167         (set-extent-property ovl 'end-glyph gl))
 168     (overlay-put ovl 'display text)
 169     (if face (overlay-put ovl 'face face))
 170     (if evap (overlay-put ovl 'evaporate t))))
 171 (defun org-overlay-before-string (ovl text &optional face evap)
 172   "Make overlay OVL display TEXT with face FACE."
 173   (if (featurep 'xemacs)
 174       (let ((gl (make-glyph text)))
 175         (and face (set-glyph-face gl face))
 176         (set-extent-property ovl 'begin-glyph gl))
 177     (if face (org-add-props text nil 'face face))
 178     (overlay-put ovl 'before-string text)
 179     (if evap (overlay-put ovl 'evaporate t))))
 180 (defun org-find-overlays (prop &optional pos delete)
 181   "Find all overlays specifying PROP at POS or point.
 182 If DELETE is non-nil, delete all those overlays."
 183   (let ((overlays (overlays-at (or pos (point))))
 184         ov found)
 185     (while (setq ov (pop overlays))
 186       (if (overlay-get ov prop)
 187           (if delete (delete-overlay ov) (push ov found))))
 188     found))
 189
 190 (defun org-get-x-clipboard (value)
 191   "Get the value of the x or Windows clipboard, compatible with XEmacs, and GNU Emacs 21."
 192   (cond ((eq window-system 'x)
 193          (let ((x (org-get-x-clipboard-compat value)))
 194            (if x (org-no-properties x))))
 195         ((and (eq window-system 'w32) (fboundp 'w32-get-clipboard-data))
 196          (w32-get-clipboard-data))))
 197
 198 (defsubst org-decompose-region (beg end)
 199   "Decompose from BEG to END."
 200   (if (featurep 'xemacs)
 201       (let ((modified-p (buffer-modified-p))
 202             (buffer-read-only nil))
 203         (remove-text-properties beg end '(composition nil))
 204         (set-buffer-modified-p modified-p))
 205     (decompose-region beg end)))
 206
 207 ;; Miscellaneous functions
 208
 209 (defun org-add-hook (hook function &optional append local)
 210   "Add-hook, compatible with both Emacsen."
 211   (if (and local (featurep 'xemacs))
 212       (add-local-hook hook function append)
 213     (add-hook hook function append local)))
 214
 215 (defun org-add-props (string plist &rest props)
 216   "Add text properties to entire string, from beginning to end.
 217 PLIST may be a list of properties, PROPS are individual properties and values
 218 that will be added to PLIST.  Returns the string that was modified."
 219   (add-text-properties
 220    0 (length string) (if props (append plist props) plist) string)
 221   string)
 222 (put 'org-add-props 'lisp-indent-function 2)
 223
 224 (defun org-fit-window-to-buffer (&optional window max-height min-height
 225                                            shrink-only)
 226   "Fit WINDOW to the buffer, but only if it is not a side-by-side window.
 227 WINDOW defaults to the selected window.  MAX-HEIGHT and MIN-HEIGHT are
 228 passed through to `fit-window-to-buffer'.  If SHRINK-ONLY is set, call
 229 `shrink-window-if-larger-than-buffer' instead, the height limit is
 230 ignored in this case."
 231   (cond ((if (fboundp 'window-full-width-p)
 232              (not (window-full-width-p window))
 233            ;; do nothing if another window would suffer
 234            (> (frame-width) (window-width window))))
 235         ((and (fboundp 'fit-window-to-buffer) (not shrink-only))
 236          (fit-window-to-buffer window max-height min-height))
 237         ((fboundp 'shrink-window-if-larger-than-buffer)
 238          (shrink-window-if-larger-than-buffer window)))
 239   (or window (selected-window)))
 240
 241 (defun org-number-sequence (from &optional to inc)
 242   "Call `number-sequence' or emulate it."
 243   (if (fboundp 'number-sequence)
 244       (number-sequence from to inc)
 245     (if (or (not to) (= from to))
 246         (list from)
 247       (or inc (setq inc 1))
 248       (when (zerop inc) (error "The increment can not be zero"))
 249       (let (seq (n 0) (next from))
 250         (if (> inc 0)
 251             (while (<= next to)
 252               (setq seq (cons next seq)
 253                     n (1+ n)
 254                     next (+ from (* n inc))))
 255           (while (>= next to)
 256             (setq seq (cons next seq)
 257                   n (1+ n)
 258                   next (+ from (* n inc)))))
 259         (nreverse seq)))))
 260
 261 ;; `set-transient-map' is only in Emacs >= 24.4
 262 (defalias 'org-set-transient-map
 263   (if (fboundp 'set-transient-map)
 264       'set-transient-map
 265     'set-temporary-overlay-map))
 266
 267 ;; Region compatibility
 268
 269 (defvar org-ignore-region nil
 270   "Non-nil means temporarily disable the active region.")
 271
 272 (defun org-region-active-p ()
 273   "Is `transient-mark-mode' on and the region active?
 274 Works on both Emacs and XEmacs."
 275   (if org-ignore-region
 276       nil
 277     (if (featurep 'xemacs)
 278         (and zmacs-regions (region-active-p))
 279       (if (fboundp 'use-region-p)
 280           (use-region-p)
 281         (and transient-mark-mode mark-active))))) ; Emacs 22 and before
 282
 283 (defun org-cursor-to-region-beginning ()
 284   (when (and (org-region-active-p)
 285              (> (point) (region-beginning)))
 286     (exchange-point-and-mark)))
 287
 288 ;; Emacs 22 misses `activate-mark'
 289 (if (fboundp 'activate-mark)
 290     (defalias 'org-activate-mark 'activate-mark)
 291   (defun org-activate-mark ()
 292     (when (mark t)
 293       (setq mark-active t)
 294       (when (and (boundp 'transient-mark-mode)
 295                  (not transient-mark-mode))
 296         (set (make-local-variable 'transient-mark-mode) 'lambda))
 297       (when (boundp 'zmacs-regions)
 298         (setq zmacs-regions t)))))
 299
 300 ;; Invisibility compatibility
 301
 302 (defun org-remove-from-invisibility-spec (arg)
 303   "Remove elements from `buffer-invisibility-spec'."
 304   (if (fboundp 'remove-from-invisibility-spec)
 305       (remove-from-invisibility-spec arg)
 306     (if (consp buffer-invisibility-spec)
 307         (setq buffer-invisibility-spec
 308               (delete arg buffer-invisibility-spec)))))
 309
 310 (defun org-in-invisibility-spec-p (arg)
 311   "Is ARG a member of `buffer-invisibility-spec'?"
 312   (if (consp buffer-invisibility-spec)
 313       (member arg buffer-invisibility-spec)))
 314
 315 (defmacro org-xemacs-without-invisibility (&rest body)
 316   "Turn off extents with invisibility while executing BODY."
 317   `(let ((ext-inv (extent-list nil (point-at-bol) (point-at-eol)
 318                                'all-extents-closed-open 'invisible))
 319          ext-inv-specs)
 320      (dolist (ext ext-inv)
 321        (when (extent-property ext 'invisible)
 322          (add-to-list 'ext-inv-specs (list ext (extent-property
 323                                                 ext 'invisible)))
 324          (set-extent-property ext 'invisible nil)))
 325      ,@body
 326      (dolist (ext-inv-spec ext-inv-specs)
 327        (set-extent-property (car ext-inv-spec) 'invisible
 328                             (cadr ext-inv-spec)))))
 329 (def-edebug-spec org-xemacs-without-invisibility (body))
 330
 331 (defun org-indent-to-column (column &optional minimum buffer)
 332   "Work around a bug with extents with invisibility in XEmacs."
 333   (if (featurep 'xemacs)
 334       (org-xemacs-without-invisibility (indent-to-column column minimum buffer))
 335     (indent-to-column column minimum)))
 336
 337 (defun org-indent-line-to (column)
 338   "Work around a bug with extents with invisibility in XEmacs."
 339   (if (featurep 'xemacs)
 340       (org-xemacs-without-invisibility (indent-line-to column))
 341     (indent-line-to column)))
 342
 343 (defun org-move-to-column (column &optional force buffer)
 344   "Move to column COLUMN.
 345 Pass COLUMN and FORCE to `move-to-column'.
 346 Pass BUFFER to the XEmacs version of `move-to-column'."
 347   (let ((buffer-invisibility-spec
 348          (remove '(org-filtered) buffer-invisibility-spec)))
 349     (if (featurep 'xemacs)
 350         (org-xemacs-without-invisibility
 351          (move-to-column column force buffer))
 352       (move-to-column column force))))
 353
 354 (defun org-get-x-clipboard-compat (value)
 355   "Get the clipboard value on XEmacs or Emacs 21."
 356   (cond ((featurep 'xemacs)
 357          (org-no-warnings (get-selection-no-error value)))
 358         ((fboundp 'x-get-selection)
 359          (condition-case nil
 360              (or (x-get-selection value 'UTF8_STRING)
 361                  (x-get-selection value 'COMPOUND_TEXT)
 362                  (x-get-selection value 'STRING)
 363                  (x-get-selection value 'TEXT))
 364            (error nil)))))
 365
 366 (defun org-propertize (string &rest properties)
 367   (if (featurep 'xemacs)
 368       (progn
 369         (add-text-properties 0 (length string) properties string)
 370         string)
 371     (apply 'propertize string properties)))
 372
 373 (defmacro org-find-library-dir (library)
 374   `(file-name-directory (or (locate-library ,library) "")))
 375
 376 (defun org-count-lines (s)
 377   "How many lines in string S?"
 378   (let ((start 0) (n 1))
 379     (while (string-match "\n" s start)
 380       (setq start (match-end 0) n (1+ n)))
 381     (if (and (> (length s) 0) (= (aref s (1- (length s))) ?\n))
 382         (setq n (1- n)))
 383     n))
 384
 385 (defun org-kill-new (string &rest args)
 386   (remove-text-properties 0 (length string) '(line-prefix t wrap-prefix t)
 387                           string)
 388   (apply 'kill-new string args))
 389
 390 (defun org-select-frame-set-input-focus (frame)
 391   "Select FRAME, raise it, and set input focus, if possible."
 392   (cond ((featurep 'xemacs)
 393          (if (fboundp 'select-frame-set-input-focus)
 394              (select-frame-set-input-focus frame)
 395            (raise-frame frame)
 396            (select-frame frame)
 397            (focus-frame frame)))
 398         ;; `select-frame-set-input-focus' defined in Emacs 21 will not
 399         ;; set the input focus.
 400         ((>= emacs-major-version 22)
 401          (select-frame-set-input-focus frame))
 402         (t
 403          (raise-frame frame)
 404          (select-frame frame)
 405          (cond ((memq window-system '(x ns mac))
 406                 (x-focus-frame frame))
 407                ((eq window-system 'w32)
 408                 (w32-focus-frame frame)))
 409          (when focus-follows-mouse
 410            (set-mouse-position frame (1- (frame-width frame)) 0)))))
 411
 412 (define-obsolete-function-alias 'org-float-time 'float-time "26.1")
 413
 414 ;; `user-error' is only available from 24.3 on
 415 (unless (fboundp 'user-error)
 416   (defalias 'user-error 'error))
 417
 418 ;; ‘format-message’ is available only from 25 on
 419 (unless (fboundp 'format-message)
 420   (defalias 'format-message 'format))
 421
 422 (defmacro org-no-popups (&rest body)
 423   "Suppress popup windows.
 424 Let-bind some variables to nil around BODY to achieve the desired
 425 effect, which variables to use depends on the Emacs version."
 426   (if (org-version-check "24.2.50" "" :predicate)
 427       `(let (pop-up-frames display-buffer-alist)
 428          ,@body)
 429     `(let (pop-up-frames special-display-buffer-names special-display-regexps special-display-function)
 430        ,@body)))
 431
 432 (if (fboundp 'string-match-p)
 433     (defalias 'org-string-match-p 'string-match-p)
 434   (defun org-string-match-p (regexp string &optional start)
 435     (save-match-data
 436       (funcall 'string-match regexp string start))))
 437
 438 (if (fboundp 'looking-at-p)
 439     (defalias 'org-looking-at-p 'looking-at-p)
 440   (defun org-looking-at-p (&rest args)
 441     (save-match-data
 442       (apply 'looking-at args))))
 443
 444 ;; XEmacs does not have `looking-back'.
 445 (if (fboundp 'looking-back)
 446     (defalias 'org-looking-back 'looking-back)
 447   (defun org-looking-back (regexp &optional limit greedy)
 448     "Return non-nil if text before point matches regular expression REGEXP.
 449 Like `looking-at' except matches before point, and is slower.
 450 LIMIT if non-nil speeds up the search by specifying a minimum
 451 starting position, to avoid checking matches that would start
 452 before LIMIT.
 453
 454 If GREEDY is non-nil, extend the match backwards as far as
 455 possible, stopping when a single additional previous character
 456 cannot be part of a match for REGEXP.  When the match is
 457 extended, its starting position is allowed to occur before
 458 LIMIT."
 459     (let ((start (point))
 460           (pos
 461            (save-excursion
 462              (and (re-search-backward (concat "\\(?:" regexp "\\)\\=") limit t)
 463                   (point)))))
 464       (if (and greedy pos)
 465           (save-restriction
 466             (narrow-to-region (point-min) start)
 467             (while (and (> pos (point-min))
 468                         (save-excursion
 469                           (goto-char pos)
 470                           (backward-char 1)
 471                           (looking-at (concat "\\(?:"  regexp "\\)\\'"))))
 472               (setq pos (1- pos)))
 473             (save-excursion
 474               (goto-char pos)
 475               (looking-at (concat "\\(?:"  regexp "\\)\\'")))))
 476       (not (null pos)))))
 477
 478 (defalias 'org-font-lock-ensure
 479   (if (fboundp 'font-lock-ensure)
 480       #'font-lock-ensure
 481     (lambda (&optional _beg _end) (font-lock-fontify-buffer))))
 482
 483 (defun org-floor* (x &optional y)
 484   "Return a list of the floor of X and the fractional part of X.
 485 With two arguments, return floor and remainder of their quotient."
 486   (let ((q (floor x y)))
 487     (list q (- x (if y (* y q) q)))))
 488
 489 ;; `pop-to-buffer-same-window' has been introduced in Emacs 24.1.
 490 (defun org-pop-to-buffer-same-window
 491   (&optional buffer-or-name norecord label)
 492   "Pop to buffer specified by BUFFER-OR-NAME in the selected window."
 493   (if (fboundp 'pop-to-buffer-same-window)
 494       (funcall
 495        'pop-to-buffer-same-window buffer-or-name norecord)
 496     (funcall 'switch-to-buffer buffer-or-name norecord)))
 497
 498 ;; RECURSIVE has been introduced with Emacs 23.2.
 499 ;; This is copying and adapted from `tramp-compat-delete-directory'
 500 (defun org-delete-directory (directory &optional recursive)
 501   "Compatibility function for `delete-directory'."
 502   (if (null recursive)
 503       (delete-directory directory)
 504     (condition-case nil
 505         (funcall 'delete-directory directory recursive)
 506       ;; This Emacs version does not support the RECURSIVE flag.  We
 507       ;; use the implementation from Emacs 23.2.
 508       (wrong-number-of-arguments
 509        (setq directory (directory-file-name (expand-file-name directory)))
 510        (if (not (file-symlink-p directory))
 511            (mapc (lambda (file)
 512                    (if (eq t (car (file-attributes file)))
 513                        (org-delete-directory file recursive)
 514                      (delete-file file)))
 515                  (directory-files
 516                   directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")))
 517        (delete-directory directory)))))
 518
 519 ;;;###autoload
 520 (defmacro org-check-version ()
 521   "Try very hard to provide sensible version strings."
 522   (let* ((org-dir        (org-find-library-dir "org"))
 523          (org-version.el (concat org-dir "org-version.el"))
 524          (org-fixup.el   (concat org-dir "../mk/org-fixup.el")))
 525     (if (require 'org-version org-version.el 'noerror)
 526         '(progn
 527            (autoload 'org-release     "org-version.el")
 528            (autoload 'org-git-version "org-version.el"))
 529       (if (require 'org-fixup org-fixup.el 'noerror)
 530           '(org-fixup)
 531         ;; provide fallback definitions and complain
 532         (warn "Could not define org version correctly.  Check installation!")
 533         '(progn
 534            (defun org-release () "N/A")
 535            (defun org-git-version () "N/A !!check installation!!"))))))
 536
 537 (defun org-file-equal-p (f1 f2)
 538   "Return t if files F1 and F2 are the same.
 539 Implements `file-equal-p' for older emacsen and XEmacs."
 540   (if (fboundp 'file-equal-p)
 541       (file-equal-p f1 f2)
 542     (let (f1-attr f2-attr)
 543       (and (setq f1-attr (file-attributes (file-truename f1)))
 544            (setq f2-attr (file-attributes (file-truename f2)))
 545            (equal f1-attr f2-attr)))))
 546
 547 ;; `buffer-narrowed-p' is available for Emacs >=24.3
 548 (defun org-buffer-narrowed-p ()
 549   "Compatibility function for `buffer-narrowed-p'."
 550   (if (fboundp 'buffer-narrowed-p)
 551       (buffer-narrowed-p)
 552     (/= (- (point-max) (point-min)) (buffer-size))))
 553
 554 (defmacro org-with-silent-modifications (&rest body)
 555   (if (fboundp 'with-silent-modifications)
 556       `(with-silent-modifications ,@body)
 557     `(org-unmodified ,@body)))
 558 (def-edebug-spec org-with-silent-modifications (body))
 559
 560 (provide 'org-compat)
 561
 562 ;;; org-compat.el ends here