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742 lines
27 KiB
EmacsLisp
742 lines
27 KiB
EmacsLisp
;;; reftex-sel.el --- the selection modes for RefTeX
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;; Copyright (C) 1997, 1998, 1999, 2000, 2003, 2440, 2005,
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;; 2006 Free Software Foundation, Inc.
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;; Author: Carsten Dominik <dominik@science.uva.nl>
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;; Version: 4.31
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;; This file is part of GNU Emacs.
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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 2, or (at your option)
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;; 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; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(eval-when-compile (require 'cl))
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(provide 'reftex-sel)
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(require 'reftex)
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;;;
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(defvar reftex-select-label-map nil
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"Keymap used for *RefTeX Select* buffer, when selecting a label.
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This keymap can be used to configure the label selection process which is
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started with the command \\[reftex-reference].")
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(defun reftex-select-label-mode ()
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"Major mode for selecting a label in a LaTeX document.
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This buffer was created with RefTeX.
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It only has a meaningful keymap when you are in the middle of a
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selection process.
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To select a label, move the cursor to it and press RET.
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Press `?' for a summary of important key bindings.
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During a selection process, these are the local bindings.
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\\{reftex-select-label-map}"
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(interactive)
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(kill-all-local-variables)
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(when (featurep 'xemacs)
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;; XEmacs needs the call to make-local-hook
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(make-local-hook 'pre-command-hook)
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(make-local-hook 'post-command-hook))
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(setq major-mode 'reftex-select-label-mode
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mode-name "LSelect")
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(set (make-local-variable 'reftex-select-marked) nil)
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(when (syntax-table-p reftex-latex-syntax-table)
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(set-syntax-table reftex-latex-syntax-table))
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;; We do not set a local map - reftex-select-item does this.
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(run-hooks 'reftex-select-label-mode-hook))
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(defvar reftex-select-bib-map nil
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"Keymap used for *RefTeX Select* buffer, when selecting a BibTeX entry.
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This keymap can be used to configure the BibTeX selection process which is
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started with the command \\[reftex-citation].")
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(defun reftex-select-bib-mode ()
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"Major mode for selecting a citation key in a LaTeX document.
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This buffer was created with RefTeX.
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It only has a meaningful keymap when you are in the middle of a
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selection process.
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In order to select a citation, move the cursor to it and press RET.
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Press `?' for a summary of important key bindings.
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During a selection process, these are the local bindings.
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\\{reftex-select-label-map}"
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(interactive)
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(kill-all-local-variables)
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(when (featurep 'xemacs)
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;; XEmacs needs the call to make-local-hook
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(make-local-hook 'pre-command-hook)
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(make-local-hook 'post-command-hook))
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(setq major-mode 'reftex-select-bib-mode
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mode-name "BSelect")
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(set (make-local-variable 'reftex-select-marked) nil)
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;; We do not set a local map - reftex-select-item does this.
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(run-hooks 'reftex-select-bib-mode-hook))
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;;; (defun reftex-get-offset (buf here-am-I &optional typekey toc index file)
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;;; ;; Find the correct offset data, like insert-docstruct would, but faster.
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;;; ;; Buffer BUF knows the correct docstruct to use.
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;;; ;; Basically this finds the first docstruct entry after HERE-I-AM which
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;;; ;; is of allowed type. The optional arguments specify what is allowed.
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;;; (catch 'exit
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;;; (save-excursion
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;;; (set-buffer buf)
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;;; (reftex-access-scan-info)
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;;; (let* ((rest (memq here-am-I (symbol-value reftex-docstruct-symbol)))
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;;; entry)
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;;; (while (setq entry (pop rest))
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;;; (if (or (and typekey
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;;; (stringp (car entry))
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;;; (or (equal typekey " ")
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;;; (equal typekey (nth 1 entry))))
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;;; (and toc (eq (car entry) 'toc))
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;;; (and index (eq (car entry) 'index))
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;;; (and file
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;;; (memq (car entry) '(bof eof file-error))))
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;;; (throw 'exit entry)))
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;;; nil))))
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(defun reftex-get-offset (buf here-am-I &optional typekey toc index file)
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;; Find the correct offset data, like insert-docstruct would, but faster.
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;; Buffer BUF knows the correct docstruct to use.
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;; Basically this finds the first docstruct entry before HERE-I-AM which
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;; is of allowed type. The optional arguments specify what is allowed.
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(catch 'exit
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(save-excursion
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(set-buffer buf)
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(reftex-access-scan-info)
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(let* ((rest (symbol-value reftex-docstruct-symbol))
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lastentry entry)
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(while (setq entry (pop rest))
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(if (or (and typekey
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(stringp (car entry))
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(or (equal typekey " ")
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(equal typekey (nth 1 entry))))
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(and toc (eq (car entry) 'toc))
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(and index (eq (car entry) 'index))
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(and file
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(memq (car entry) '(bof eof file-error))))
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(setq lastentry entry))
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(if (eq entry here-am-I)
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(throw 'exit (or lastentry entry))))
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nil))))
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(defun reftex-insert-docstruct
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(buf toc labels index-entries files context counter show-commented
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here-I-am xr-prefix toc-buffer)
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;; Insert an excerpt of the docstruct list.
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;; Return the data property of the entry corresponding to HERE-I-AM.
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;; BUF is the buffer which has the correct docstruct-symbol.
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;; LABELS non-nil means to include labels into the list.
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;; When a string, indicates the label type to include
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;; FILES non-nil means to display file boundaries.
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;; CONTEXT non-nil means to include label context.
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;; COUNTER means to count the labels.
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;; SHOW-COMMENTED means to include also labels which are commented out.
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;; HERE-I-AM is a member of the docstruct list. The function will return
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;; a used member near to this one, as a possible starting point.
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;; XR-PREFIX is the prefix to put in front of labels.
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;; TOC-BUFFER means this is to fill the toc buffer.
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(let* ((font (reftex-use-fonts))
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(cnt 0)
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(index -1)
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(toc-indent " ")
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(label-indent
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(concat "> "
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(if toc (make-string (* 7 reftex-level-indent) ?\ ) "")))
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(context-indent
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(concat ". "
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(if toc (make-string (* 7 reftex-level-indent) ?\ ) "")))
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(mouse-face
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(if (memq reftex-highlight-selection '(mouse both))
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reftex-mouse-selected-face
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nil))
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(label-face (reftex-verified-face reftex-label-face
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'font-lock-constant-face
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'font-lock-reference-face))
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(index-face (reftex-verified-face reftex-index-face
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'font-lock-constant-face
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'font-lock-reference-face))
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all cell text label typekey note comment master-dir-re
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prev-inserted offset from to index-tag docstruct-symbol)
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;; Pop to buffer buf to get the correct buffer-local variables
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(save-excursion
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(set-buffer buf)
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;; Ensure access to scanning info
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(reftex-access-scan-info)
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(setq docstruct-symbol reftex-docstruct-symbol
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all (symbol-value reftex-docstruct-symbol)
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reftex-active-toc nil
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master-dir-re
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(concat "\\`" (regexp-quote
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(file-name-directory (reftex-TeX-master-file))))))
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(set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol)
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(set (make-local-variable 'reftex-prefix)
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(cdr (assoc labels reftex-typekey-to-prefix-alist)))
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(if (equal reftex-prefix " ") (setq reftex-prefix nil))
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;; Walk the docstruct and insert the appropriate stuff
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(while (setq cell (pop all))
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(incf index)
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(setq from (point))
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(cond
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((memq (car cell) '(bib thebib label-numbers appendix
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master-dir bibview-cache is-multi xr xr-doc)))
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;; These are currently ignored
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((memq (car cell) '(bof eof file-error))
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;; Beginning or end of a file
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(when files
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(setq prev-inserted cell)
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; (if (eq offset 'attention) (setq offset cell))
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(insert
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" File " (if (string-match master-dir-re (nth 1 cell))
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(substring (nth 1 cell) (match-end 0))
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(nth 1 cell))
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(cond ((eq (car cell) 'bof) " starts here\n")
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((eq (car cell) 'eof) " ends here\n")
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((eq (car cell) 'file-error) " was not found\n")))
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(setq to (point))
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(when font
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(put-text-property from to
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'face reftex-file-boundary-face))
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(when toc-buffer
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(if mouse-face
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(put-text-property from (1- to)
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'mouse-face mouse-face))
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(put-text-property from to :data cell))))
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((eq (car cell) 'toc)
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;; a table of contents entry
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(when (and toc
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(<= (nth 5 cell) reftex-toc-max-level))
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(setq prev-inserted cell)
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; (if (eq offset 'attention) (setq offset cell))
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(setq reftex-active-toc cell)
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(insert (concat toc-indent (nth 2 cell) "\n"))
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(setq to (point))
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(when font
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(put-text-property from to
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'face reftex-section-heading-face))
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(when toc-buffer
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(if mouse-face
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(put-text-property from (1- to)
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'mouse-face mouse-face))
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(put-text-property from to :data cell))
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(goto-char to)))
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((stringp (car cell))
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;; a label
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(when (null (nth 2 cell))
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;; No context yet. Quick update.
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(setcdr cell (cdr (reftex-label-info-update cell)))
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(put docstruct-symbol 'modified t))
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(setq label (car cell)
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typekey (nth 1 cell)
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text (nth 2 cell)
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comment (nth 4 cell)
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note (nth 5 cell))
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(when (and labels
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(or (eq labels t)
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(string= typekey labels)
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(string= labels " "))
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(or show-commented (null comment)))
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;; Yes we want this one
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(incf cnt)
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(setq prev-inserted cell)
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; (if (eq offset 'attention) (setq offset cell))
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(setq label (concat xr-prefix label))
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(when comment (setq label (concat "% " label)))
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(insert label-indent label)
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(when font
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(setq to (point))
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(put-text-property
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(- (point) (length label)) to
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'face (if comment
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'font-lock-comment-face
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label-face))
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(goto-char to))
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(insert (if counter (format " (%d) " cnt) "")
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(if comment " LABEL IS COMMENTED OUT " "")
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(if (stringp note) (concat " " note) "")
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"\n")
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(setq to (point))
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(when context
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(insert context-indent text "\n")
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(setq to (point)))
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(put-text-property from to :data cell)
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(when mouse-face
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(put-text-property from (1- to)
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'mouse-face mouse-face))
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(goto-char to)))
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((eq (car cell) 'index)
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;; index entry
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(when (and index-entries
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(or (eq t index-entries)
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(string= index-entries (nth 1 cell))))
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(setq prev-inserted cell)
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; (if (eq offset 'attention) (setq offset cell))
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(setq index-tag (format "<%s>" (nth 1 cell)))
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(and font
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(put-text-property 0 (length index-tag)
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'face reftex-index-tag-face index-tag))
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(insert label-indent index-tag " " (nth 7 cell))
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(when font
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(setq to (point))
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(put-text-property
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(- (point) (length (nth 7 cell))) to
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'face index-face)
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(goto-char to))
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(insert "\n")
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(setq to (point))
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(when context
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(insert context-indent (nth 2 cell) "\n")
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(setq to (point)))
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(put-text-property from to :data cell)
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(when mouse-face
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(put-text-property from (1- to)
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'mouse-face mouse-face))
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(goto-char to))))
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(if (eq cell here-I-am)
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(setq offset 'attention))
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(if (and prev-inserted (eq offset 'attention))
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(setq offset prev-inserted))
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)
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(when (reftex-refontify)
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;; we need to fontify the buffer
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(reftex-fontify-select-label-buffer buf))
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(run-hooks 'reftex-display-copied-context-hook)
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offset))
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(defun reftex-find-start-point (fallback &rest locations)
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;; Set point to the first available LOCATION. When a LOCATION is a list,
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;; search for such a :data text property. When it is an integer,
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;; use is as line number. FALLBACK is a buffer position used if everything
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;; else fails.
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(catch 'exit
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(goto-char (point-min))
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(let (loc pos)
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(while locations
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(setq loc (pop locations))
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(cond
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((null loc))
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((listp loc)
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(setq pos (text-property-any (point-min) (point-max) :data loc))
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(when pos
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(goto-char pos)
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(throw 'exit t)))
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((integerp loc)
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(when (<= loc (count-lines (point-min) (point-max)))
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(goto-line loc)
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(throw 'exit t)))))
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(goto-char fallback))))
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(defvar reftex-last-data nil)
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(defvar reftex-last-line nil)
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(defvar reftex-select-marked nil)
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(defun reftex-select-item (prompt help-string keymap
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&optional offset
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call-back cb-flag)
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;; Select an item, using PROMPT. The function returns a key indicating
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;; an exit status, along with a data structure indicating which item was
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;; selected.
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;; HELP-STRING contains help. KEYMAP is a keymap with the available
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;; selection commands.
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;; OFFSET can be a label list item which will be selected at start.
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;; When it is t, point will start out at the beginning of the buffer.
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;; Any other value will cause restart where last selection left off.
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;; When CALL-BACK is given, it is a function which is called with the index
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;; of the element.
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;; CB-FLAG is the initial value of that flag.
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(let* (ev data last-data (selection-buffer (current-buffer)))
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(setq reftex-select-marked nil)
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(setq ev
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(catch 'myexit
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(save-window-excursion
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(setq truncate-lines t)
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;; Find a good starting point
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(reftex-find-start-point
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(point-min) offset reftex-last-data reftex-last-line)
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(beginning-of-line 1)
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(set (make-local-variable 'reftex-last-follow-point) (point))
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(unwind-protect
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(progn
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(use-local-map keymap)
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(add-hook 'pre-command-hook 'reftex-select-pre-command-hook nil t)
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(add-hook 'post-command-hook 'reftex-select-post-command-hook nil t)
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(princ prompt)
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(set-marker reftex-recursive-edit-marker (point))
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;; XEmacs does not run post-command-hook here
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(and (featurep 'xemacs) (run-hooks 'post-command-hook))
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(recursive-edit))
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(set-marker reftex-recursive-edit-marker nil)
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(save-excursion
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(set-buffer selection-buffer)
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(use-local-map nil)
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(remove-hook 'pre-command-hook 'reftex-select-pre-command-hook t)
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(remove-hook 'post-command-hook
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'reftex-select-post-command-hook t))
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;; Kill the mark overlays
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(mapcar (lambda (c) (reftex-delete-overlay (nth 1 c)))
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reftex-select-marked)))))
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(set (make-local-variable 'reftex-last-line)
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(+ (count-lines (point-min) (point)) (if (bolp) 1 0)))
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(set (make-local-variable 'reftex-last-data) last-data)
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(reftex-kill-buffer "*RefTeX Help*")
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(setq reftex-callback-fwd (not reftex-callback-fwd)) ;; ;-)))
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(message "")
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(list ev data last-data)))
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;; The following variables are all bound dynamically in `reftex-select-item'.
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;; The defvars are here only to silence the byte compiler.
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(defvar found-list)
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(defvar cb-flag)
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(defvar data)
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(defvar prompt)
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(defvar last-data)
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(defvar call-back)
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(defvar help-string)
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(defvar refstyle)
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;; The selection commands
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(defun reftex-select-pre-command-hook ()
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(reftex-unhighlight 1)
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(reftex-unhighlight 0))
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(defun reftex-select-post-command-hook ()
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(let (b e)
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(setq data (get-text-property (point) :data))
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(setq last-data (or data last-data))
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(when (and data cb-flag
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(not (equal reftex-last-follow-point (point))))
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(setq reftex-last-follow-point (point))
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(funcall call-back data reftex-callback-fwd
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(not reftex-revisit-to-follow)))
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(if data
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(setq b (or (previous-single-property-change
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(1+ (point)) :data)
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(point-min))
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e (or (next-single-property-change
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(point) :data)
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(point-max)))
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(setq b (point) e (point)))
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(and (memq reftex-highlight-selection '(cursor both))
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(reftex-highlight 1 b e))
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(if (or (not (pos-visible-in-window-p b))
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(not (pos-visible-in-window-p e)))
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(recenter '(4)))
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(unless (current-message)
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(princ prompt))))
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(defun reftex-select-next (&optional arg)
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"Move to next selectable item."
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(interactive "p")
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(setq reftex-callback-fwd t)
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(or (eobp) (forward-char 1))
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(re-search-forward "^[^. \t\n\r]" nil t arg)
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(beginning-of-line 1))
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(defun reftex-select-previous (&optional arg)
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"Move to previous selectable item."
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(interactive "p")
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(setq reftex-callback-fwd nil)
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(re-search-backward "^[^. \t\n\r]" nil t arg))
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(defun reftex-select-jump (arg)
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"Jump to a specific section. E.g. '3 z' jumps to section 3.
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Useful for large TOC's."
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(interactive "P")
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(goto-char (point-min))
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(re-search-forward
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(concat "^ *" (number-to-string (if (numberp arg) arg 1)) " ")
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nil t)
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(beginning-of-line))
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(defun reftex-select-next-heading (&optional arg)
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"Move to next table of contentes line."
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(interactive "p")
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(end-of-line)
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(re-search-forward "^ " nil t arg)
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(beginning-of-line))
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(defun reftex-select-previous-heading (&optional arg)
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"Move to previous table of contentes line."
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(interactive "p")
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(re-search-backward "^ " nil t arg))
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(defun reftex-select-quit ()
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"Abort selection process."
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(interactive)
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(throw 'myexit nil))
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(defun reftex-select-keyboard-quit ()
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"Abort selection process."
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(interactive)
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(throw 'exit t))
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(defun reftex-select-jump-to-previous ()
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"Jump back to where previous selection process left off."
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(interactive)
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(let (pos)
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(cond
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((and (local-variable-p 'reftex-last-data (current-buffer))
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reftex-last-data
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(setq pos (text-property-any (point-min) (point-max)
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:data reftex-last-data)))
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(goto-char pos))
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((and (local-variable-p 'reftex-last-line (current-buffer))
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(integerp reftex-last-line))
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(goto-line reftex-last-line))
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(t (ding)))))
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(defun reftex-select-toggle-follow ()
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"Toggle follow mode: Other window follows with full context."
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(interactive)
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(setq reftex-last-follow-point -1)
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(setq cb-flag (not cb-flag)))
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(defun reftex-select-toggle-varioref ()
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"Toggle the macro used for referencing the label between \\ref and \\vref."
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(interactive)
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(if (string= refstyle "\\ref")
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(setq refstyle "\\vref")
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(setq refstyle "\\ref"))
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(force-mode-line-update))
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(defun reftex-select-toggle-fancyref ()
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"Toggle the macro used for referencing the label between \\ref and \\vref."
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(interactive)
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(setq refstyle
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(cond ((string= refstyle "\\ref") "\\fref")
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((string= refstyle "\\fref") "\\Fref")
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(t "\\ref")))
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(force-mode-line-update))
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(defun reftex-select-show-insertion-point ()
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"Show the point from where selection was started in another window."
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(interactive)
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(let ((this-window (selected-window)))
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(unwind-protect
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(progn
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(switch-to-buffer-other-window
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(marker-buffer reftex-select-return-marker))
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(goto-char (marker-position reftex-select-return-marker))
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(recenter '(4)))
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(select-window this-window))))
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(defun reftex-select-callback ()
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"Show full context in another window."
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(interactive)
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(if data (funcall call-back data reftex-callback-fwd nil) (ding)))
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(defun reftex-select-accept ()
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"Accept the currently selected item."
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(interactive)
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(throw 'myexit 'return))
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(defun reftex-select-mouse-accept (ev)
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"Accept the item at the mouse click."
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(interactive "e")
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(mouse-set-point ev)
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(setq data (get-text-property (point) :data))
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(setq last-data (or data last-data))
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(throw 'myexit 'return))
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(defun reftex-select-read-label ()
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"Use minibuffer to read a label to reference, with completion."
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(interactive)
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(let ((label (completing-read
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"Label: " (symbol-value reftex-docstruct-symbol)
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nil nil reftex-prefix)))
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(unless (or (equal label "") (equal label reftex-prefix))
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(throw 'myexit label))))
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(defun reftex-select-read-cite ()
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"Use minibuffer to read a citation key with completion."
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(interactive)
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(let* ((key (completing-read "Citation key: " found-list))
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(entry (assoc key found-list)))
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(cond
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((or (null key) (equal key "")))
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(entry
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(setq data entry)
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(setq last-data data)
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(throw 'myexit 'return))
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(t (throw 'myexit key)))))
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(defun reftex-select-mark (&optional separator)
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"Mark the entry."
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(interactive)
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(let* ((data (get-text-property (point) :data))
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boe eoe ovl)
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(or data (error "No entry to mark at point"))
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(if (assq data reftex-select-marked)
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(error "Entry is already marked"))
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(setq boe (or (previous-single-property-change (1+ (point)) :data)
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(point-min))
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eoe (or (next-single-property-change (point) :data) (point-max)))
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(setq ovl (reftex-make-overlay boe eoe))
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(push (list data ovl separator) reftex-select-marked)
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(reftex-overlay-put ovl 'face reftex-select-mark-face)
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(reftex-overlay-put ovl 'before-string
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(if separator
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(format "*%c%d* " separator
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(length reftex-select-marked))
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(format "*%d* " (length reftex-select-marked))))
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(message "Entry has mark no. %d" (length reftex-select-marked))))
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(defun reftex-select-mark-comma ()
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"Mark the entry and store the `comma' separator."
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(interactive)
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(reftex-select-mark ?,))
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(defun reftex-select-mark-to ()
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"Mark the entry and store the `to' separator."
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(interactive)
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(reftex-select-mark ?-))
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(defun reftex-select-mark-and ()
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"Mark the entry and store `and' to separator."
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(interactive)
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(reftex-select-mark ?+))
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(defun reftex-select-unmark ()
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"Unmark the entry."
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(interactive)
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(let* ((data (get-text-property (point) :data))
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(cell (assq data reftex-select-marked))
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(ovl (nth 1 cell))
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(cnt 0)
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sep)
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(unless cell
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(error "No marked entry at point"))
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(and ovl (reftex-delete-overlay ovl))
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(setq reftex-select-marked (delq cell reftex-select-marked))
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(setq cnt (1+ (length reftex-select-marked)))
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(mapcar (lambda (c)
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(setq sep (nth 2 c))
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(reftex-overlay-put (nth 1 c) 'before-string
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(if sep
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(format "*%c%d* " sep (decf cnt))
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(format "*%d* " (decf cnt)))))
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reftex-select-marked)
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(message "Entry no longer marked")))
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(defun reftex-select-help ()
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"Display a summary of the special key bindings."
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(interactive)
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(with-output-to-temp-buffer "*RefTeX Help*"
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(princ help-string))
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(reftex-enlarge-to-fit "*RefTeX Help*" t))
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;; Common bindings in reftex-select-label-map and reftex-select-bib-map
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(let ((map (make-sparse-keymap)))
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(substitute-key-definition
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'next-line 'reftex-select-next map global-map)
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(substitute-key-definition
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'previous-line 'reftex-select-previous map global-map)
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(substitute-key-definition
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'keyboard-quit 'reftex-select-keyboard-quit map global-map)
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(substitute-key-definition
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'newline 'reftex-select-accept map global-map)
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(loop for x in
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'((" " . reftex-select-callback)
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("n" . reftex-select-next)
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([(down)] . reftex-select-next)
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("p" . reftex-select-previous)
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([(up)] . reftex-select-previous)
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("f" . reftex-select-toggle-follow)
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("\C-m" . reftex-select-accept)
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([(return)] . reftex-select-accept)
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("q" . reftex-select-quit)
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("." . reftex-select-show-insertion-point)
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("?" . reftex-select-help))
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do (define-key map (car x) (cdr x)))
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;; The mouse-2 binding
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(if (featurep 'xemacs)
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(define-key map [(button2)] 'reftex-select-mouse-accept)
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(define-key map [(mouse-2)] 'reftex-select-mouse-accept)
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(define-key map [follow-link] 'mouse-face))
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;; Digit arguments
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(loop for key across "0123456789" do
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(define-key map (vector (list key)) 'digit-argument))
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(define-key map "-" 'negative-argument)
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;; Make two maps
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(setq reftex-select-label-map map)
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(setq reftex-select-bib-map (copy-keymap map)))
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;; Specific bindings in reftex-select-label-map
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(loop for key across "aAcgFlrRstx#%" do
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(define-key reftex-select-label-map (vector (list key))
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(list 'lambda '()
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"Press `?' during selection to find out about this key."
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'(interactive) (list 'throw '(quote myexit) key))))
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(loop for x in
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'(("b" . reftex-select-jump-to-previous)
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("z" . reftex-select-jump)
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("v" . reftex-select-toggle-varioref)
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("V" . reftex-select-toggle-fancyref)
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("m" . reftex-select-mark)
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("u" . reftex-select-unmark)
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("," . reftex-select-mark-comma)
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("-" . reftex-select-mark-to)
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("+" . reftex-select-mark-and)
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([(tab)] . reftex-select-read-label)
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("\C-i" . reftex-select-read-label)
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("\C-c\C-n" . reftex-select-next-heading)
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("\C-c\C-p" . reftex-select-previous-heading))
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do
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(define-key reftex-select-label-map (car x) (cdr x)))
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;; Specific bindings in reftex-select-bib-map
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(loop for key across "grRaAeE" do
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(define-key reftex-select-bib-map (vector (list key))
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(list 'lambda '()
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"Press `?' during selection to find out about this key."
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'(interactive) (list 'throw '(quote myexit) key))))
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(loop for x in
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'(("\C-i" . reftex-select-read-cite)
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([(tab)] . reftex-select-read-cite)
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("m" . reftex-select-mark)
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("u" . reftex-select-unmark))
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do (define-key reftex-select-bib-map (car x) (cdr x)))
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;;; arch-tag: 842078ff-0586-4e0b-957e-536e08218464
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;;; reftex-sel.el ends here
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