227 lines
7.7 KiB
EmacsLisp
227 lines
7.7 KiB
EmacsLisp
;;; org-macs.el --- Top-level definitions for Org-mode
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;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 6.17c
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;; This file contains macro definitions, defsubst definitions, other
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;; stuff needed for compilation and top-level forms in Org-mode, as well
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;; lots of small functions that are not org-mode specific but simply
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;; generally useful stuff.
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;;; Code:
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(defmacro org-bound-and-true-p (var)
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"Return the value of symbol VAR if it is bound, else nil."
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`(and (boundp (quote ,var)) ,var))
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(defmacro org-unmodified (&rest body)
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"Execute body without changing `buffer-modified-p'."
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`(set-buffer-modified-p
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(prog1 (buffer-modified-p) ,@body)))
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(defmacro org-re (s)
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"Replace posix classes in regular expression."
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(if (featurep 'xemacs)
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(let ((ss s))
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(save-match-data
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(while (string-match "\\[:alnum:\\]" ss)
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(setq ss (replace-match "a-zA-Z0-9" t t ss)))
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(while (string-match "\\[:word:\\]" ss)
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(setq ss (replace-match "a-zA-Z0-9" t t ss)))
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(while (string-match "\\[:alpha:\\]" ss)
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(setq ss (replace-match "a-zA-Z" t t ss)))
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ss))
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s))
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(defmacro org-preserve-lc (&rest body)
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`(let ((_line (org-current-line))
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(_col (current-column)))
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(unwind-protect
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(progn ,@body)
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(goto-line _line)
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(org-move-to-column _col))))
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(defmacro org-without-partial-completion (&rest body)
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`(let ((pc-mode (and (boundp 'partial-completion-mode)
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partial-completion-mode)))
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(unwind-protect
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(progn
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(if pc-mode (partial-completion-mode -1))
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,@body)
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(if pc-mode (partial-completion-mode 1)))))
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(eval-and-compile
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(unless (fboundp 'declare-function)
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(defmacro declare-function (fn file &optional arglist fileonly))))
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(defmacro org-maybe-intangible (props)
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"Add '(intangible t) to PROPS if Emacs version is earlier than Emacs 22.
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In emacs 21, invisible text is not avoided by the command loop, so the
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intangible property is needed to make sure point skips this text.
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In Emacs 22, this is not necessary. The intangible text property has
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led to problems with flyspell. These problems are fixed in flyspell.el,
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but we still avoid setting the property in Emacs 22 and later.
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We use a macro so that the test can happen at compilation time."
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(if (< emacs-major-version 22)
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`(append '(intangible t) ,props)
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props))
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(defmacro org-with-point-at (pom &rest body)
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"Move to buffer and point of point-or-marker POM for the duration of BODY."
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`(save-excursion
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(if (markerp ,pom) (set-buffer (marker-buffer ,pom)))
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(save-excursion
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(goto-char (or ,pom (point)))
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,@body)))
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(defmacro org-no-warnings (&rest body)
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(cons (if (fboundp 'with-no-warnings) 'with-no-warnings 'progn) body))
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(defmacro org-if-unprotected (&rest body)
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"Execute BODY if there is no `org-protected' text property at point."
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`(unless (get-text-property (point) 'org-protected)
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,@body))
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(defmacro org-with-remote-undo (_buffer &rest _body)
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"Execute BODY while recording undo information in two buffers."
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`(let ((_cline (org-current-line))
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(_cmd this-command)
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(_buf1 (current-buffer))
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(_buf2 ,_buffer)
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(_undo1 buffer-undo-list)
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(_undo2 (with-current-buffer ,_buffer buffer-undo-list))
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_c1 _c2)
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,@_body
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(when org-agenda-allow-remote-undo
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(setq _c1 (org-verify-change-for-undo
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_undo1 (with-current-buffer _buf1 buffer-undo-list))
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_c2 (org-verify-change-for-undo
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_undo2 (with-current-buffer _buf2 buffer-undo-list)))
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(when (or _c1 _c2)
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;; make sure there are undo boundaries
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(and _c1 (with-current-buffer _buf1 (undo-boundary)))
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(and _c2 (with-current-buffer _buf2 (undo-boundary)))
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;; remember which buffer to undo
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(push (list _cmd _cline _buf1 _c1 _buf2 _c2)
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org-agenda-undo-list)))))
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(defmacro org-no-read-only (&rest body)
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"Inhibit read-only for BODY."
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`(let ((inhibit-read-only t)) ,@body))
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(defconst org-rm-props '(invisible t face t keymap t intangible t mouse-face t
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rear-nonsticky t mouse-map t fontified t)
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"Properties to remove when a string without properties is wanted.")
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(defsubst org-match-string-no-properties (num &optional string)
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(if (featurep 'xemacs)
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(let ((s (match-string num string)))
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(and s (remove-text-properties 0 (length s) org-rm-props s))
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s)
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(match-string-no-properties num string)))
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(defsubst org-no-properties (s)
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(if (fboundp 'set-text-properties)
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(set-text-properties 0 (length s) nil s)
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(remove-text-properties 0 (length s) org-rm-props s))
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s)
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(defsubst org-get-alist-option (option key)
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(cond ((eq key t) t)
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((eq option t) t)
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((assoc key option) (cdr (assoc key option)))
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(t (cdr (assq 'default option)))))
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(defsubst org-inhibit-invisibility ()
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"Modified `buffer-invisibility-spec' for Emacs 21.
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Some ops with invisible text do not work correctly on Emacs 21. For these
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we turn off invisibility temporarily. Use this in a `let' form."
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(if (< emacs-major-version 22) nil buffer-invisibility-spec))
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(defsubst org-set-local (var value)
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"Make VAR local in current buffer and set it to VALUE."
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(set (make-variable-buffer-local var) value))
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(defsubst org-mode-p ()
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"Check if the current buffer is in Org-mode."
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(eq major-mode 'org-mode))
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(defsubst org-last (list)
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"Return the last element of LIST."
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(car (last list)))
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(defun org-let (list &rest body)
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(eval (cons 'let (cons list body))))
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(put 'org-let 'lisp-indent-function 1)
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(defun org-let2 (list1 list2 &rest body)
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(eval (cons 'let (cons list1 (list (cons 'let (cons list2 body)))))))
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(put 'org-let2 'lisp-indent-function 2)
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(defsubst org-call-with-arg (command arg)
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"Call COMMAND interactively, but pretend prefix arg was ARG."
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(let ((current-prefix-arg arg)) (call-interactively command)))
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(defsubst org-current-line (&optional pos)
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(save-excursion
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(and pos (goto-char pos))
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;; works also in narrowed buffer, because we start at 1, not point-min
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(+ (if (bolp) 1 0) (count-lines 1 (point)))))
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(defsubst org-pos-in-match-range (pos n)
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(and (match-beginning n)
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(<= (match-beginning n) pos)
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(>= (match-end n) pos)))
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(defun org-autoload (file functions)
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"Establish autoload for all FUNCTIONS in FILE, if not bound already."
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(let ((d (format "Documentation will be available after `%s.el' is loaded."
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file))
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f)
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(while (setq f (pop functions))
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(or (fboundp f) (autoload f file d t)))))
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(defun org-match-line (re)
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"Looking-at at the beginning of the current line."
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(save-excursion
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(goto-char (point-at-bol))
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(looking-at re)))
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(defun org-plist-delete (plist property)
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"Delete PROPERTY from PLIST.
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This is in contrast to merely setting it to 0."
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(let (p)
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(while plist
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(if (not (eq property (car plist)))
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(setq p (plist-put p (car plist) (nth 1 plist))))
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(setq plist (cddr plist)))
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p))
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(provide 'org-macs)
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;; arch-tag: 7e6a73ce-aac9-4fc0-9b30-ce6f89dc6668
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;;; org-macs.el ends here
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