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242 lines
7.1 KiB
EmacsLisp
242 lines
7.1 KiB
EmacsLisp
;;; bib-mode.el --- bib-mode, major mode for editing bib files.
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;; Copyright (C) 1989 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: bib
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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
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; GNU Emacs code to help maintain databases compatible with (troff)
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;; refer and lookbib. The file bib-file should be set to your
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;; bibliography file. Keys are automagically inserted as you type,
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;; and appropriate keys are presented for various kinds of entries.
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;;; Code:
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(defvar bib-file "~/my-bibliography.bib"
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"Default name of file used by `addbib'.")
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(defvar unread-bib-file "~/to-be-read.bib"
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"Default name of file used by `unread-bib' in Bib mode.")
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(defvar bib-mode-map (copy-keymap text-mode-map))
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(define-key bib-mode-map "\C-M" 'return-key-bib)
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(define-key bib-mode-map "\C-c\C-u" 'unread-bib)
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(define-key bib-mode-map "\C-c\C-@" 'mark-bib)
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(define-key bib-mode-map "\e`" 'abbrev-mode)
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(defvar bib-mode-abbrev-table nil
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"Abbrev table used in Bib mode")
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(defun addbib ()
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"Set up editor to add to troff bibliography file specified
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by global variable `bib-file'. See description of `bib-mode'."
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(interactive)
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(find-file bib-file)
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(goto-char (point-max))
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(bib-mode)
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)
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(defun bib-mode ()
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"Mode for editing `lookbib' style bibliographies.
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Hit RETURN to get next % field key.
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If you want to ignore this field, just hit RETURN again.
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Use `text-mode' to turn this feature off.
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journal papers: A* T D J V N P K W X
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articles in books & proceedings: A* T D B E* I C P K W X
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tech reports: A* T D R I C K W X
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books: A* T D I C K W X
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Fields:
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A uthor T itle D ate J ournal
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V olume N umber P age K eywords
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B in book or proceedings E ditor C ity & state
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I nstitution, school, or publisher
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R eport number or 'phd thesis' or 'masters thesis' or 'draft' or
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'unnumbered' or 'unpublished'
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W here can be found locally (login name, or ailib, etc.)
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X comments (not used in indexing)
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\\[unread-bib] appends current entry to a different file (for example,
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a file of papers to be read in the future), given by the value of the
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variable `unread-bib-file'.
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\\[mark-bib] marks current or previous entry.
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Abbreviations are saved in `bib-mode-abbrev-table'.
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Hook can be stored in `bib-mode-hook'.
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Field keys given by variable `bib-assoc'.
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Commands:
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\\{bib-mode-map}
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"
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(interactive)
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(text-mode)
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(use-local-map bib-mode-map)
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(setq mode-name "Bib")
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(setq major-mode 'bib-mode)
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(define-abbrev-table 'bib-mode-abbrev-table ())
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(setq local-abbrev-table bib-mode-abbrev-table)
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(abbrev-mode 1)
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(run-hooks 'bib-mode-hook)
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)
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(defconst bib-assoc '(
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(" *$" . "%A ")
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("%A ." . "%A ")
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("%A $" . "%T ")
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("%T " . "%D ")
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("%D " . "%J ")
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("%J ." . "%V ")
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("%V " . "%N ")
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("%N " . "%P ")
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("%P " . "%K ")
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("%K " . "%W ")
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("%W " . "%X ")
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("%X " . "")
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("%J $" . "%B ")
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("%B ." . "%E ")
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("%E ." . "%E ")
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("%E $" . "%I ")
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("%I " . "%C ")
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("%C " . "%P ")
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("%B $" . "%R ")
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("%R " . "%I ")
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)
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"Describes bibliographic database format. A line beginning with
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the car of an entry is followed by one beginning with the cdr.
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")
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(defun bib-find-key (slots)
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(cond
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((null slots)
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(if (bobp)
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""
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(progn (previous-line 1) (bib-find-key bib-assoc))))
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((looking-at (car (car slots)))
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(cdr (car slots)))
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(t (bib-find-key (cdr slots)))
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))
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(defvar bib-auto-capitalize t
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"*True to automatically capitalize appropriate fields in Bib mode.")
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(defconst bib-capitalized-fields "%[AETCBIJR]")
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(defun return-key-bib ()
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"Magic when user hits return, used by `bib-mode'."
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(interactive)
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(if (eolp)
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(let (empty new-key beg-current end-current)
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(beginning-of-line)
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(setq empty (looking-at "%. $"))
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(if (not empty)
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(progn
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(end-of-line)
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(newline)
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(forward-line -1)
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))
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(end-of-line)
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(setq end-current (point))
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(beginning-of-line)
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(setq beg-current (point))
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(setq new-key (bib-find-key bib-assoc))
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(if (and (not empty) bib-auto-capitalize
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(looking-at bib-capitalized-fields))
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(save-excursion
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(capitalize-title-region (+ (point) 3) end-current)))
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(goto-char beg-current)
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(if empty
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(kill-line nil)
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(forward-line 1)
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)
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(insert-string new-key))
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(newline)))
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(defun mark-bib ()
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"Set mark at beginning of current or previous bib entry, point at end."
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(interactive)
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(beginning-of-line nil)
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(if (looking-at "^ *$") (re-search-backward "[^ \n]" nil 2))
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(re-search-backward "^ *$" nil 2)
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(re-search-forward "^%")
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(beginning-of-line nil)
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(push-mark (point))
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(re-search-forward "^ *$" nil 2)
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(next-line 1)
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(beginning-of-line nil))
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(defun unread-bib ()
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"Append current or previous entry to file of unread papers
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named by variable `unread-bib-file'."
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(interactive)
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(mark-bib)
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(if (get-file-buffer unread-bib-file)
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(append-to-buffer (get-file-buffer unread-bib-file) (mark) (point))
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(append-to-file (mark) (point) unread-bib-file)))
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(defvar capitalize-title-stop-words
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(concat
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"the\\|and\\|of\\|is\\|a\\|an\\|of\\|for\\|in\\|to\\|in\\|on\\|at\\|"
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"by\\|with\\|that\\|its")
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"Words not to be capitialized in a title (unless they're the first word
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in the title).")
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(defvar capitalize-title-stop-regexp
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(concat "\\(" capitalize-title-stop-words "\\)\\(\\b\\|'\\)"))
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(defun capitalize-title-region (begin end)
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"Like `capitalize-region', but don't capitalize stop words, except the first."
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(interactive "r")
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(let ((case-fold-search nil) (orig-syntax-table (syntax-table)))
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(unwind-protect
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(save-restriction
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(set-syntax-table text-mode-syntax-table)
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(narrow-to-region begin end)
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(goto-char (point-min))
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(if (looking-at "[A-Z][a-z]*[A-Z]")
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(forward-word 1)
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(capitalize-word 1))
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(while (re-search-forward "\\<" nil t)
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(if (looking-at "[A-Z][a-z]*[A-Z]")
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(forward-word 1)
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(if (let ((case-fold-search t))
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(looking-at capitalize-title-stop-regexp))
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(downcase-word 1)
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(capitalize-word 1)))
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))
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(set-syntax-table orig-syntax-table))))
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(defun capitalize-title (s)
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"Like `capitalize', but don't capitalize stop words, except the first."
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(save-excursion
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(set-buffer (get-buffer-create "$$$Scratch$$$"))
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(erase-buffer)
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(insert s)
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(capitalize-title-region (point-min) (point-max))
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(buffer-string)))
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(provide 'bib-mode)
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;;; bib-mode.el ends here
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