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3afbc435 1;;; reftex-vars.el --- configuration variables for RefTeX
d5a2f2b0 2
ba318903 3;; Copyright (C) 1997-1999, 2001-2014 Free Software Foundation, Inc.
3ba2590f 4
6fbeb429 5;; Author: Carsten Dominik <dominik@science.uva.nl>
ce545621 6;; Maintainer: auctex-devel@gnu.org
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7
8;; This file is part of GNU Emacs.
9
1fecc8fe 10;; GNU Emacs is free software: you can redistribute it and/or modify
3ba2590f 11;; it under the terms of the GNU General Public License as published by
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12;; the Free Software Foundation, either version 3 of the License, or
13;; (at your option) any later version.
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14
15;; GNU Emacs is distributed in the hope that it will be useful,
16;; but WITHOUT ANY WARRANTY; without even the implied warranty of
1fecc8fe 17;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18;; GNU General Public License for more details.
19
20;; You should have received a copy of the GNU General Public License
1fecc8fe 21;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
1a9461d0 22
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23;;; Commentary:
24
25;;; Code:
0c86715d 26(defvar reftex-tables-dirty)
7c4d13cc 27(eval-when-compile (require 'cl))
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28(eval-and-compile
29 (defun reftex-set-dirty (symbol value)
30 (setq reftex-tables-dirty t)
31 (set symbol value)))
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32
33;; Define the two constants which are needed during compilation
34
35(eval-and-compile
36(defconst reftex-label-alist-builtin
37 '(
38 ;; Some aliases, mostly for backward compatibility
39 (Sideways "Alias for -->rotating" (rotating))
40 (AMSTeX "amsmath with eqref macro"
41 ((nil ?e nil "~\\eqref{%s}")
42 amsmath))
43
44 ;; Individual package defaults
45 (amsmath "AMS-LaTeX math environments"
46 (("align" ?e nil nil eqnarray-like)
47 ("gather" ?e nil nil eqnarray-like)
48 ("multline" ?e nil nil t)
49 ("flalign" ?e nil nil eqnarray-like)
50 ("alignat" ?e nil nil alignat-like)
51 ("xalignat" ?e nil nil alignat-like)
52 ("xxalignat" ?e nil nil alignat-like)
53 ("subequations" ?e nil nil t)))
54
55 (endnotes "The \\endnote macro"
56 (("\\endnote[]{}" ?N "en:" "~\\ref{%s}" 2
57 (regexp "endnotes?" "notes?" "Anmerkung\\(en\\)?" "Anm\\."))))
58
59 (fancybox "The Beqnarray environment"
60 (("Beqnarray" ?e nil nil eqnarray-like)))
61
62 (floatfig "The floatingfigure environment"
63 (("floatingfigure" ?f nil nil caption)))
64
65 (longtable "The longtable environment"
66 (("longtable" ?t nil nil caption)))
67
68 (picinpar "The figwindow and tabwindow environments"
69 (("figwindow" ?f nil nil 1)
70 ("tabwindow" ?f nil nil 1)))
71
72 (rotating "Sidewaysfigure and table"
73 (("sidewaysfigure" ?f nil nil caption)
74 ("sidewaystable" ?t nil nil caption)))
75
76 (sidecap "CSfigure and SCtable"
77 (("SCfigure" ?f nil nil caption)
78 ("SCtable" ?t nil nil caption)))
79
80 (subfigure "Subfigure environments/macro"
81 (("subfigure" ?f nil nil caption)
82 ("subfigure*" ?f nil nil caption)
83 ("\\subfigure[]{}" ?f nil nil 1)))
84
85 (supertab "Supertabular environment"
86 (("supertabular" ?t nil nil "\\tablecaption{")))
87
88 (wrapfig "The wrapfigure environment"
89 (("wrapfigure" ?f nil nil caption)))
90
cfcc9cc8 91 (ctable "The ctable package"
b2984e39 92 (("\\ctable[]{}{}{}" ?t "tab:" "~\\ref{%s}" 1 ("table" "Tabelle"))))
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93
94 (listings "The listings package"
983741d8 95 (("lstlisting" ?l "lst:" "~\\ref{%s}" nil (regexp "[Ll]isting"))))
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96
97 (minted "The minted package"
983741d8 98 (("minted" ?l "lst:" "~\\ref{%s}" nil (regexp "[Ll]isting"))))
cfcc9cc8 99
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100 ;; The LaTeX core stuff
101 (LaTeX "LaTeX default environments"
102 (("section" ?s "%S" "~\\ref{%s}" (nil . t)
103 (regexp "parts?" "chapters?" "chap\\." "sections?" "sect?\\."
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104 "paragraphs?" "par\\."
105 "\\\\S" "\247" "Teile?" "Kapitel" "Kap\\." "Abschnitte?"
106 "appendi\\(x\\|ces\\)" "App\\." "Anh\"?ange?" "Anh\\."))
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107
108 ("enumerate" ?i "item:" "~\\ref{%s}" item
109 (regexp "items?" "Punkte?"))
c8de140b 110
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111 ("equation" ?e "eq:" "~(\\ref{%s})" t
112 (regexp "equations?" "eqs?\\." "eqn\\." "Gleichung\\(en\\)?" "Gl\\."))
113 ("eqnarray" ?e "eq:" nil eqnarray-like)
c8de140b 114
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115 ("figure" ?f "fig:" "~\\ref{%s}" caption
116 (regexp "figure?[sn]?" "figs?\\." "Abbildung\\(en\\)?" "Abb\\."))
117 ("figure*" ?f nil nil caption)
c8de140b 118
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119 ("table" ?t "tab:" "~\\ref{%s}" caption
120 (regexp "tables?" "tab\\." "Tabellen?"))
121 ("table*" ?t nil nil caption)
c8de140b 122
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123 ("\\footnote[]{}" ?n "fn:" "~\\ref{%s}" 2
124 (regexp "footnotes?" "Fussnoten?"))
c8de140b 125
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126 ("any" ?\ " " "~\\ref{%s}" nil)
127
128 ;; The label macro is hard coded, but it *could* be defined like this:
129 ;;("\\label{*}" nil nil nil nil)
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130 ))
131
132 ;; Texinfo
133 (Texinfo "Texinfo default environments" nil))
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134 "The default label environment descriptions.
135Lower-case symbols correspond to a style file of the same name in the LaTeX
136distribution. Mixed-case symbols are convenience aliases.")
137
138(defconst reftex-cite-format-builtin
139 '((default "Default macro \\cite{%l}"
f3c18bd0 140 "\\cite[]{%l}")
1a9461d0 141 (natbib "The Natbib package"
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142 ((?\C-m . "\\cite[][]{%l}")
143 (?t . "\\citet[][]{%l}")
144 (?T . "\\citet*[][]{%l}")
145 (?p . "\\citep[][]{%l}")
146 (?P . "\\citep*[][]{%l}")
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147 (?e . "\\citep[e.g.][]{%l}")
148 (?s . "\\citep[see][]{%l}")
149 (?a . "\\citeauthor{%l}")
150 (?A . "\\citeauthor*{%l}")
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151 (?y . "\\citeyear{%l}")
152 (?n . "\\nocite{%l}")))
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153 (amsrefs "The AMSRefs package"
154 ((?\C-m . "\\cite{%l}")
155 (?p . "\\cite{%l}")
156 (?P . "\\cites{%l}")
157 (?t . "\\ocite{%l}")
158 (?T . "\\ocites{%l}")
159 (?y . "\\ycite{%l}")
160 (?Y . "\\ycites{%l}")
161 (?a . "\\citeauthor{%l}")
162 (?A . "\\citeauthory{%l}")
163 (?f . "\\fullcite{%l}")
164 (?F . "\\fullocite{%l}")
165 (?n . "\\nocite{%l}")))
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166 (jurabib "The Jurabib package"
167 ((?\C-m . "\\cite{%l}")
168 (?c . "\\cite[][]{%l}")
169 (?t . "\\citet{%l}")
170 (?p . "\\citep{%l}")
171 (?e . "\\citep[e.g.][]{%l}")
172 (?s . "\\citep[see][]{%l}")
173 (?u . "\\fullcite{%l}")
174 (?i . "\\citetitle{%l}")
175 (?a . "\\citeauthor{%l}")
176 (?e . "\\citefield{}{%l}")
177 (?y . "\\citeyear{%l}")
178 (?f . "\\footcite{%l}")
179 (?F . "\\footcite[][]{%l}")
180 (?l . "\\footfullcite{%l}")))
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181 (bibentry "The Bibentry package"
182 "\\bibentry{%l}")
1a9461d0 183 (harvard "The Harvard package"
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184 ((?\C-m . "\\cite[]{%l}")
185 (?p . "\\cite[]{%l}")
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186 (?t . "\\citeasnoun{%l}")
187 (?n . "\\citeasnoun{%l}")
188 (?s . "\\possessivecite{%l}")
189 (?e . "\\citeaffixed{%l}{?}")
190 (?y . "\\citeyear{%l}")
191 (?a . "\\citename{%l}")))
192 (chicago "The Chicago package"
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193 ((?\C-m . "\\cite[]{%l}")
194 (?t . "\\citeN[]{%l}")
1a9461d0 195 (?T . "\\shortciteN{%l}")
f3c18bd0 196 (?p . "\\cite[]{%l}")
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197 (?P . "\\shortcite{%l}")
198 (?a . "\\citeA{%l}")
199 (?A . "\\shortciteA{%l}")
200 (?y . "\\citeyear{%l}")))
201 (astron "The Astron package"
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202 ((?\C-m . "\\cite[]{%l}")
203 (?p . "\\cite[]{%l}" )
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204 (?t . "%2a (\\cite{%l})")))
205 (author-year "Do-it-yourself Author-year"
206 ((?\C-m . "\\cite{%l}")
207 (?t . "%2a (%y)\\nocite{%l}")
208 (?p . "(%2a %y\\nocite{%l})")))
209 (locally "Full info in parenthesis"
210 "(%2a %y, %j %v, %P, %e: %b, %u, %s %<)")
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211 (context
212 "ConTeXt bib module"
213 ((?\C-m . "\\cite[%l]")
214 (?s . "\\cite[][%l]")
215 (?n . "\\nocite[%l]")))
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216 )
217 "Builtin versions of the citation format.
218The following conventions are valid for all alist entries:
219`?\C-m' should always point to a straight \\cite{%l} macro.
220`?t' should point to a textual citation (citation as a noun).
221`?p' should point to a parenthetical citation.")
222
c8de140b 223(defconst reftex-index-macros-builtin
1a9461d0 224 '((default "Default \\index and \\glossary macros"
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225 (("\\index{*}" "idx" ?i "" nil t)
226 ("\\glossary{*}" "glo" ?g "" nil t)))
1a9461d0 227 (multind "The multind.sty package"
7c4d13cc 228 (("\\index{}{*}" 1 ?i "" nil t)))
1a9461d0 229 (index "The index.sty package"
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230 (("\\index[]{*}" 1 ?i "" nil t)
231 ("\\index*[]{*}" 1 ?I "" nil nil)))
1a9461d0 232 (Index-Shortcut "index.sty with \\shortindexingon"
7c4d13cc 233 (("\\index[]{*}" 1 ?i "" nil t)
3666daf6 234 ("\\index*[]{*}" 1 ?I "" nil nil)
c8de140b 235 ("^[]{*}" 1 ?^ "" texmathp t)
3666daf6 236 ("_[]{*}" 1 ?_ "" texmathp nil))))
c8de140b 237 "Builtin stuff for `reftex-index-macros'.
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238Lower-case symbols correspond to a style file of the same name in the LaTeX
239distribution. Mixed-case symbols are convenience aliases.")
240)
241
242;; Configuration Variables and User Options for RefTeX ------------------
243
244(defgroup reftex nil
245 "LaTeX label and citation support."
246 :tag "RefTeX"
c8de140b 247 :link '(url-link :tag "Home Page"
4f595e15 248 "http://www.gnu.org/software/auctex/reftex.html")
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249 :link '(emacs-commentary-link :tag "Commentary in reftex.el" "reftex.el")
250 :link '(custom-manual "(reftex)Top")
251 :prefix "reftex-"
252 :group 'tex)
253
6fbeb429 254
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255;; Table of contents configuration --------------------------------------
256
257(defgroup reftex-table-of-contents-browser nil
258 "A multifile table of contents browser."
259 :group 'reftex)
260
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261(defcustom reftex-include-file-commands '("include" "input")
262 "LaTeX commands which input another file.
263The file name is expected after the command, either in braces or separated
264by whitespace."
265 :group 'reftex-table-of-contents-browser
266 :type '(repeat string))
267
268(defcustom reftex-max-section-depth 12
269 "Maximum depth of section levels in document structure.
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270The default in standard LaTeX is 7, but there are packages for
271which this needs to be larger."
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272 :group 'reftex-table-of-contents-browser
273 :type 'integer)
274
275;; LaTeX section commands and level numbers
276(defcustom reftex-section-levels
277 '(
278 ("part" . 0)
279 ("chapter" . 1)
280 ("section" . 2)
281 ("subsection" . 3)
282 ("subsubsection" . 4)
283 ("paragraph" . 5)
284 ("subparagraph" . 6)
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285 ("addchap" . -1) ; KOMA-Script
286 ("addsec" . -2) ; KOMA-Script
287;;; ("minisec" . -7) ; KOMA-Script
288 )
289 "Commands and levels used for defining sections in the document.
290This is an alist with each element like (COMMAND-NAME . LEVEL).
291The car of each cons cell is the name of the section macro (without
292the backslash). The cdr is a number indicating its level. A negative
293level means the same level as the positive value, but the section will
294never get a number. The cdr may also be a function which will be called
3666daf6 295to after the section-re matched to determine the level.
c8de140b 296This list is also used for promotion and demotion of sectioning commands.
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297If you are using a document class which has several sets of sectioning
298commands, promotion only works correctly if this list is sorted first
299by set, then within each set by level. The promotion commands always
300select the nearest entry with the correct new level."
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301 :group 'reftex-table-of-contents-browser
302 :set 'reftex-set-dirty
303 :type '(repeat
304 (cons (string :tag "sectioning macro" "")
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305 (choice
306 (number :tag "level " 0)
307 (symbol :tag "function " my-level-func)))))
6fbeb429 308
7c4d13cc 309(defcustom reftex-toc-max-level 100
fb7ada5f 310 "The maximum level of toc entries which will be included in the TOC.
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311Section headings with a bigger level will be ignored. In RefTeX, chapters
312are level 1, sections are level 2 etc.
313This variable can be changed from within the *toc* buffer with the `t' key."
314 :group 'reftex-table-of-contents-browser
315 :type 'integer)
316
3b919c9f 317(defcustom reftex-part-resets-chapter nil
fb7ada5f 318 "Non-nil means, \\part is like any other sectioning command.
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319This means, part numbers will be included in the numbering of chapters, and
320chapter counters will be reset for each part.
321When nil (the default), parts are special, do not reset the chapter counter
322and also do not show up in chapter numbers."
323 :group 'reftex-table-of-contents-browser
324 :type 'boolean)
325
326
3666daf6 327(defcustom reftex-auto-recenter-toc 'frame
fb7ada5f 328 "Non-nil means, turn automatic recentering of *TOC* window on.
3666daf6 329When active, the *TOC* window will always show the section you
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330are currently working in. Recentering happens whenever Emacs is idle for
331more than `reftex-idle-time' seconds.
3b919c9f 332
3666daf6 333Value t means, turn on immediately when RefTeX gets started. Then,
c8de140b 334recentering will work for any TOC window created during the session.
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335
336Value 'frame (the default) means, turn automatic recentering on only while the
337dedicated TOC frame does exist, and do the recentering only in that frame. So
4f595e15 338when creating that frame (with `d' key in an ordinary TOC window), the
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339automatic recentering is turned on. When the frame gets destroyed, automatic
340recentering is turned off again.
341
c8de140b 342This feature can be turned on and off from the menu
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343\(Ref->Options)."
344 :group 'reftex-table-of-contents-browser
345 :type '(choice
346 (const :tag "never" nil)
347 (const :tag "always" t)
23fed453 348 (const :tag "in dedicated frame only" frame)))
c8de140b 349
6fbeb429 350(defcustom reftex-toc-split-windows-horizontally nil
fb7ada5f 351 "Non-nil means, create TOC window by splitting window horizontally."
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352 :group 'reftex-table-of-contents-browser
353 :type 'boolean)
354
3666daf6 355(defcustom reftex-toc-split-windows-fraction .3
fb7ada5f 356 "Fraction of the width or height of the frame to be used for TOC window.
3666daf6 357See also `reftex-toc-split-windows-horizontally'."
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358 :group 'reftex-table-of-contents-browser
359 :type 'number)
360
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361(defvar reftex-toc-split-windows-horizontally-fraction 0.5
362 "This variable is obsolete, use `reftex-toc-split-windows-fraction' instead.")
363
1a9461d0 364(defcustom reftex-toc-keep-other-windows t
fb7ada5f 365 "Non-nil means, split the selected window to display the *toc* buffer.
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366This helps to keep the window configuration, but makes the *toc* small.
367When nil, all other windows except the selected one will be deleted, so
368that the *toc* window fills half the frame."
369 :group 'reftex-table-of-contents-browser
370 :type 'boolean)
371
372(defcustom reftex-toc-include-file-boundaries nil
fb7ada5f 373 "Non-nil means, include file boundaries in *toc* buffer.
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374This flag can be toggled from within the *toc* buffer with the `F' key."
375 :group 'reftex-table-of-contents-browser
376 :type 'boolean)
377
378(defcustom reftex-toc-include-labels nil
fb7ada5f 379 "Non-nil means, include labels in *toc* buffer.
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380This flag can be toggled from within the *toc* buffer with the `l' key."
381 :group 'reftex-table-of-contents-browser
382 :type 'boolean)
383
384(defcustom reftex-toc-include-index-entries nil
fb7ada5f 385 "Non-nil means, include index entries in *toc* buffer.
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386This flag can be toggled from within the *toc* buffer with the `i' key."
387 :group 'reftex-table-of-contents-browser
388 :type 'boolean)
389
3666daf6 390(defcustom reftex-toc-confirm-promotion 2
fb7ada5f 391 "Non-nil means, promotion/demotion commands first prompt for confirmation.
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392If nil, the command is executed immediately. If this is an integer N,
393ask for confirmation only if N or more section commands are going to be
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394changed."
395 :group 'reftex-table-of-contents-browser
396 :type '(choice
397 (const :tag "Never" nil)
398 (const :tag "Always" t)
399 (number :tag "When more than N sections" :value 2)))
400
1a9461d0 401(defcustom reftex-toc-include-context nil
fb7ada5f 402 "Non-nil means, include context with labels in the *toc* buffer.
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403Context will only be shown when labels are visible as well.
404This flag can be toggled from within the *toc* buffer with the `c' key."
405 :group 'reftex-table-of-contents-browser
406 :type 'boolean)
407
408(defcustom reftex-toc-follow-mode nil
fb7ada5f 409 "Non-nil means, point in *toc* buffer will cause other window to follow.
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410The other window will show the corresponding part of the document.
411This flag can be toggled from within the *toc* buffer with the `f' key."
412 :group 'reftex-table-of-contents-browser
413 :type 'boolean)
414
415(defcustom reftex-revisit-to-follow nil
fb7ada5f 416 "Non-nil means, follow-mode will revisit files if necessary.
4f595e15 417If nil, follow-mode will be suspended for stuff in unvisited files."
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418 :group 'reftex-table-of-contents-browser
419 :group 'reftex-referencing-labels
420 :type 'boolean)
421
422(defcustom reftex-toc-mode-hook nil
c8de140b 423 "Mode hook for `reftex-toc-mode'."
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424 :group 'reftex-table-of-contents-browser
425 :type 'hook)
426
427;; Label Support Configuration
428
429(defgroup reftex-label-support nil
430 "Support for creation, insertion and referencing of labels in LaTeX."
431 :group 'reftex)
432
433(defgroup reftex-defining-label-environments nil
434 "Definition of environments and macros to do with label."
435 :group 'reftex-label-support)
436
437(defcustom reftex-default-label-alist-entries
438 '(amsmath endnotes fancybox floatfig longtable picinpar
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439 rotating sidecap subfigure supertab wrapfig
440 listings minted ctable LaTeX)
1a9461d0 441 "Default label alist specifications. LaTeX should always be the last entry.
c8de140b 442The value of this variable is a list of symbols with associations in the
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443constant `reftex-label-alist-builtin'. Check that constant for a full list
444of options."
445 :group 'reftex-defining-label-environments
446 :set 'reftex-set-dirty
447 :type `(set
3666daf6 448 :indent 4
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449 :inline t
450 :greedy t
451 ,@(mapcar
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452 (lambda (x)
453 (list 'const :tag (concat (symbol-name (nth 0 x))
454 ": " (nth 1 x))
455 (nth 0 x)))
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456 reftex-label-alist-builtin)))
457
458(defcustom reftex-label-alist nil
459 "Alist with information on environments for \\label-\\ref use.
460
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461This doc string is easier to understand after reading the configuration
462examples in the manual. Looking at the builtin defaults in the constant
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463`reftex-label-alist-builtin' may also be instructive.
464
465Set this variable to define additions and changes to the default. The only
466things you MUST NOT change is that `?s' is the type indicator for section
467labels, and SPC for the `any' label type. These are hard-coded at other
468places in the code.
469
470The value of the variable must be a list of items. Each item is a list
471itself and has the following structure:
472
473 (ENV-OR-MACRO TYPE-KEY LABEL-PREFIX REFERENCE-FORMAT CONTEXT-METHOD
7c4d13cc 474 (MAGIC-WORD ... ) TOC-LEVEL)
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475
476Each list entry describes either an environment carrying a counter for use
477with \\label and \\ref, or a LaTeX macro defining a label as (or inside)
478one of its arguments. The elements of each list entry are:
479
480ENV-OR-MACRO
481 Name of the environment (like \"table\") or macro (like \"\\\\myfig\").
482 For macros, indicate the macro arguments for best results, as in
483 \"\\\\myfig[]{}{}{*}{}\". Use square brackets for optional arguments,
484 a star to mark the label argument, if any. The macro does not have to
485 have a label argument - you could also use \\label{..} inside one of
486 its arguments.
487 Special names: `section' for section labels, `any' to define a group
488 which contains all labels.
489
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490 This may also be a function to do local parsing and identify point to
491 be in a non-standard label environment. The function must take an
492 argument BOUND and limit backward searches to this value. It should
493 return either nil or the position where the special environment starts.
494 See the Info documentation for an example.
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495
496 Finally this may also be nil if the entry is only meant to change
497 some settings associated with the type indicator character (see below).
498
499TYPE-KEY
500 Type indicator character, like `?t', must be a printable ASCII character.
501 The type indicator is a single character which defines a label type.
502 Any label inside the environment or macro is assumed to belong to this
503 type. The same character may occur several times in this list, to cover
504 cases in which different environments carry the same label type (like
505 `equation' and `eqnarray').
506 If the type indicator is nil and the macro has a label argument {*},
70d797cd 507 the macro defines neutral labels just like \\label. In this case
4f595e15 508 the remainder of this entry is ignored.
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509
510LABEL-PREFIX
511 Label prefix string, like \"tab:\".
512 The prefix is a short string used as the start of a label. It may be the
513 empty string. The prefix may contain the following `%' escapes:
514 %f Current file name with directory and extension stripped.
515 %F Current file name relative to directory of master file.
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516 %m Master file name, directory and extension stripped.
517 %M Directory name (without path) where master file is located.
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518 %u User login name, on systems which support this.
519 %S A section prefix derived with variable `reftex-section-prefixes'.
520
521 Example: In a file `intro.tex', \"eq:%f:\" will become \"eq:intro:\").
522
523REFERENCE-FORMAT
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524 Format string for reference insertion in buffer. `%s' will be replaced
525 by the label.
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526 When the format starts with `~', the `~' will only be inserted if
527 there is not already a whitespace before point.
528
529CONTEXT-METHOD
530 Indication on how to find the short context.
531 - If nil, use the text following the \\label{...} macro.
532 - If t, use
533 - the section heading for section labels.
534 - text following the \\begin{...} statement of environments.
535 (not a good choice for environments like eqnarray or enumerate,
536 where one has several labels in a single environment).
537 - text after the macro name (starting with the first arg) for macros.
538 - If an integer, use the nth argument of the macro. As a special case,
539 1000 means to get text after the last macro argument.
540 - If a string, use as regexp to search *backward* from the label. Context
4f595e15 541 is then the text following the end of the match. E.g. setting this to
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542 \"\\\\\\\\caption[[{]\" will use the caption in a figure or table
543 environment.
544 \"\\\\\\\\begin{eqnarray}\\\\|\\\\\\\\\\\\\\\\\" works for eqnarrays.
545 - If any of `caption', `item', `eqnarray-like', `alignat-like', this
546 symbol will internally be translated into an appropriate regexp
547 (see also the variable `reftex-default-context-regexps').
548 - If a function, call this function with the name of the environment/macro
549 as argument. On call, point will be just after the \\label macro. The
550 function is expected to return a suitable context string. It should
551 throw an exception (error) when failing to find context.
552 As an example, here is a function returning the 10 chars following
553 the label macro as context:
554
555 (defun my-context-function (env-or-mac)
556 (if (> (point-max) (+ 10 (point)))
557 (buffer-substring (point) (+ 10 (point)))
558 (error \"Buffer too small\")))
559
560 Label context is used in two ways by RefTeX: For display in the label
561 menu, and to derive a label string. If you want to use a different
562 method for each of these, specify them as a dotted pair.
563 E.g. `(nil . t)' uses the text after the label (nil) for display, and
564 text from the default position (t) to derive a label string. This is
565 actually used for section labels.
566
567MAGIC-WORDS
568 List of magic words which identify a reference to be of this type.
569 If the word before point is equal to one of these words when calling
570 `reftex-reference', the label list offered will be automatically
571 restricted to labels of the correct type.
572 If the first element of this wordlist is the symbol `regexp', the
573 strings are interpreted as regular expressions. RefTeX will add
574 a \"\\\\W\" to the beginning and other stuff to the end of the regexp.
575
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576TOC-LEVEL
577 The integer level at which this environment should be added to the
578 table of contents. See also `reftex-section-levels'. A positive
579 value will number the entries mixed with the sectioning commands of
580 the same level. A negative value will make unnumbered entries.
581 Useful only for theorem-like environments, will be ignored for macros.
582 When omitted or nil, no TOC entries will be made.
583
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584If the type indicator characters of two or more entries are the same, RefTeX
585will use
586 - the first non-nil format and prefix
587 - the magic words of all involved entries.
588
589Any list entry may also be a symbol. If that has an association in
590`reftex-label-alist-builtin', the cddr of that association is spliced into the
591list. However, builtin defaults should normally be set with the variable
983741d8 592`reftex-default-label-alist-entries'."
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593 :group 'reftex-defining-label-environments
594 :set 'reftex-set-dirty
595 :type
596 `(repeat
597 (choice :tag "Package or Detailed "
598 :value ("" ?a nil nil nil nil)
599 (list :tag "Detailed Entry"
600 :value ("" ?a nil nil nil nil)
601 (choice :tag "Environment or \\macro "
602 (const :tag "Ignore, just use typekey" nil)
603 (string "")
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604 (symbol :tag "Special parser" my-parser))
605 (choice :tag "Type specification "
606 (const :tag "unspecified, like in \\label" nil)
607 (character :tag "Char " ?a))
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608 (choice :tag "Label prefix string "
609 (const :tag "Default" nil)
610 (string :tag "String" "lab:"))
611 (choice :tag "Label reference format"
612 (const :tag "Default" nil)
613 (string :tag "String" "~\\ref{%s}"))
614 (choice :tag "Context method "
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615 (const :tag "Default position" t)
616 (const :tag "After label" nil)
617 (number :tag "Macro arg nr" 1)
618 (regexp :tag "Regexp" "")
619 (const :tag "Caption in float" caption)
620 (const :tag "Item in list" item)
621 (const :tag "Eqnarray-like" eqnarray-like)
622 (const :tag "Alignat-like" alignat-like)
623 (symbol :tag "Function" my-func))
624 (repeat :tag "Magic words" :extra-offset 2 (string))
625 (option (choice :tag "Make TOC entry "
626 (const :tag "No entry" nil)
627 (integer :tag "Level" :value -3))))
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628 (choice
629 :tag "Package"
630 :value AMSTeX
631 ,@(mapcar
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632 (lambda (x)
633 (list 'const :tag (concat (symbol-name (nth 0 x)))
634 (nth 0 x)))
635 reftex-label-alist-builtin)))))
1a9461d0 636
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637(defcustom reftex-section-prefixes '((0 . "part:") (1 . "cha:") (t . "sec:"))
638 "Prefixes for section labels.
639When the label prefix given in an entry in `reftex-label-alist' contains `%S',
c8de140b 640this list is used to determine the correct prefix string depending on the
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641current section level.
642The list is an alist, with each entry of the form (KEY . PREFIX)
643Possible keys are sectioning macro names like `chapter', section levels
3666daf6 644\(as given in `reftex-section-levels'), and t for the default."
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645 :group 'reftex-defining-label-environments
646 :type '(repeat
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647 (cons :value (0 . "")
648 (choice
649 (string :tag "macro name")
650 (integer :tag "section level")
651 (const :tag "default" t))
652 (string :tag "Prefix"))))
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653
654(defcustom reftex-default-context-regexps
655 '((caption . "\\\\\\(rot\\)?caption\\*?[[{]")
656 (item . "\\\\item\\(\\[[^]]*\\]\\)?")
657 (eqnarray-like . "\\\\begin{%s}\\|\\\\\\\\")
658 (alignat-like . "\\\\begin{%s}{[0-9]*}\\|\\\\\\\\"))
659"Alist with default regular expressions for finding context.
660The form (format regexp (regexp-quote environment)) is used to calculate
661the final regular expression - so %s will be replaced with the environment
662or macro."
663 :group 'reftex-defining-label-environments
664 :type '(repeat (cons (symbol) (regexp))))
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665
666(defcustom reftex-trust-label-prefix nil
667 "Non-nil means, trust the label prefix when determining label type.
668It is customary to use special label prefixes to distinguish different label
669types. The label prefixes have no syntactic meaning in LaTeX (unless
3a1e8128 670special packages like fancyref are being used). RefTeX can and by
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671default does parse around each label to detect the correct label type,
672but this process can be slow when a document contains thousands of
673labels. If you use label prefixes consistently, you may speed up
674document parsing by setting this variable to a non-nil value. RefTeX
675will then compare the label prefix with the prefixes found in
676`reftex-label-alist' and derive the correct label type in this way.
677Possible values for this option are:
678
679t This means to trust any label prefixes found.
680regexp If a regexp, only prefixes matched by the regexp are trusted.
681list List of accepted prefixes, as strings. The colon is part of
682 the prefix, e.g. (\"fn:\" \"eqn:\" \"item:\").
683nil Never trust a label prefix.
684
685The only disadvantage of using this feature is that the label context
686displayed in the label selection buffer along with each label is
687simply some text after the label definition. This is no problem if you
688place labels keeping this in mind (e.g. *before* the equation, *at
689the beginning* of a fig/tab caption ...). Anyway, it is probably best
690to use the regexp or the list value types to fine-tune this feature.
691For example, if your document contains thousands of footnotes with
692labels fn:xxx, you may want to set this variable to the value \"^fn:$\" or
693\(\"fn:\"). Then RefTeX will still do extensive parsing for any
694non-footnote labels."
695 :group 'reftex-defining-label-environments
696 :type '(choice
697 (const :tag "Always" t)
698 (const :tag "Never" nil)
699 (regexp)
700 (repeat :tag "List"
701 (string :tag "prefix (with colon)"))))
c8de140b 702
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703(defcustom reftex-special-environment-functions nil
704 "List of functions to be called when trying to figure out current environment.
705These are special functions to detect \"environments\" which do not
706start with \\begin and end with \\end. Some LaTeX packages seem to
707use such non-standard ways to set up environment-like constructs. The
708purpose of each function in this list is to detect if point is
709currently inside such a special \"environment\". If the environment
710carries a label, you must also set up an entry for it in
711`reftex-label-alist'.
712
713The function should check if point is currently in the special
714environment it was written to detect. If so, the function must return
715a cons cell (NAME . POSITION). NAME is the name of the environment
716detected and POSITION is the buffer position where the environment
717starts. The function must return nil on failure to detect the
718environment.
719
720The function must take an argument BOUND. If non-nil, BOUND is a
721boundary for backwards searches which should be observed.
722
723Here is an example. The LaTeX package linguex.sty defines list macros
724`\\ex.', `\\a.', etc for lists which are terminated by `\\z.' or an empty
725line.
726
727 \\ex. \\label{ex:12} Some text in an exotic language ...
728 \\a. \\label{ex:13} more stuff
729 \\b. \\label{ex:14} still more stuff
730
731 ... more text after the empty line terminating all lists
732
733And here is the setup for RefTeX:
734
7351. Define a dummy environment for this in `reftex-label-alist'. Dummy means,
736 make up an environment name even though it is not used with \\begin and
737 \\end. Here we use \"linguex\" as this name.
738
739 (setq reftex-label-alist
740 '((\"linguex\" ?x \"ex:\" \"~\\\\ref{%s}\" nil (\"Example\" \"Ex.\"))))
741
7422. Write a function to detect the list macros and the determinators as well.
743
744 (defun my-detect-linguex-list (bound)
745 (let ((pos (point)) p1)
746 (save-excursion
747 ;; Search for any of the linguex item macros at the beginning of a line
c8de140b 748 (if (re-search-backward
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749 \"^[ \\t]*\\\\(\\\\\\\\\\\\(ex\\\\|a\\\\|b\\\\|c\\\\|d\\\\|e\\\\|f\\\\)g?\\\\.\\\\)\" bound t)
750 (progn
751 (setq p1 (match-beginning 1))
752 ;; Make sure no empty line or \\z. is between us and the item macro
753 (if (re-search-forward \"\\n[ \\t]*\\n\\\\|\\\\\\\\z\\\\.\" pos t)
754 ;; Return nil because list was already closed
755 nil
756 ;; OK, we got it
757 (cons \"linguex\" p1)))
c8de140b 758 ;; Return nil for not found
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759 nil))))
760
7613. Tell RefTeX to use this function
762
4f595e15 763 (setq reftex-special-environment-functions '(my-detect-linguex-list))"
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764 :group 'reftex-defining-label-environments
765 :type 'hook)
766
767;; Label insertion
768
769(defgroup reftex-making-and-inserting-labels nil
770 "Options on how to create new labels."
771 :group 'reftex-label-support)
772
773(defcustom reftex-insert-label-flags '("s" "sft")
774 "Flags governing label insertion. First flag DERIVE, second flag PROMPT.
775
776If DERIVE is t, RefTeX will try to derive a sensible label from context.
777A section label for example will be derived from the section heading.
f8b00e0f 778The conversion of the context to a valid label is governed by the
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779specifications given in `reftex-derive-label-parameters'.
780If RefTeX fails to derive a label, it will prompt the user.
781If DERIVE is nil, the label generated will consist of the prefix and a
782unique number, like `eq:23'.
783
784If PROMPT is t, the user will be prompted for a label string. The prompt will
785already contain the prefix, and (if DERIVE is t) a default label derived from
786context. When PROMPT is nil, the default label will be inserted without
787query.
788
789So the combination of DERIVE and PROMPT controls label insertion. Here is a
790table describing all four possibilities:
791
792DERIVE PROMPT ACTION
793-------------------------------------------------------------------------
794 nil nil Insert simple label, like eq:22 or sec:13. No query.
795 nil t Prompt for label.
796 t nil Derive a label from context and insert without query.
797 t t Derive a label from context and prompt for confirmation.
798
799Each flag may be set to t, nil, or a string of label type letters
800indicating the label types for which it should be true. The strings work
801like character classes.
802Thus, the combination may be set differently for each label type. The
803default settings \"s\" and \"sft\" mean: Derive section labels from headings
3666daf6 804\(with confirmation). Prompt for figure and table labels. Use simple labels
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805without confirmation for everything else.
806The available label types are: s (section), f (figure), t (table), i (item),
807e (equation), n (footnote), N (endnote), plus any definitions in
808`reftex-label-alist'."
809 :group 'reftex-making-and-inserting-labels
810 :type '(list (choice :tag "Derive label from context"
811 (const :tag "always" t)
812 (const :tag "never" nil)
813 (string :tag "selected label types" ""))
814 (choice :tag "Prompt for label string "
815 :entry-format " %b %v"
816 (const :tag "always" t)
817 (const :tag "never" nil)
818 (string :tag "selected label types" ""))))
819
820(defcustom reftex-string-to-label-function 'reftex-string-to-label
f8b00e0f 821 "Function to turn an arbitrary string into a valid label.
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822RefTeX's default function uses the variable `reftex-derive-label-parameters'."
823 :group 'reftex-making-and-inserting-labels
824 :type 'symbol)
825
826(defcustom reftex-translate-to-ascii-function 'reftex-latin1-to-ascii
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827 "Filter function to convert a string to ASCII.
828The function is used to process a context string before it is
829used to derive a label from it. The intended application is to
830convert ISO or Mule characters into something valid in labels.
831The default function removes the accents from Latin-1 characters.
832X-Symbol (>=2.6) sets this variable to the much more general
833`x-symbol-translate-to-ascii'."
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834 :group 'reftex-making-and-inserting-labels
835 :type 'symbol)
836
837(defcustom reftex-derive-label-parameters '(3 20 t 1 "-"
838 ("the" "on" "in" "off" "a" "for" "by" "of" "and" "is" "to") t)
839 "Parameters for converting a string into a label.
840This variable is a list of the following items.
841
842NWORDS Number of words to use.
843MAXCHAR Maximum number of characters in a label string.
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844INVALID nil: Throw away any words containing characters invalid in labels.
845 t: Throw away only the invalid characters, not the whole word.
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846ABBREV nil: Never abbreviate words.
847 t: Always abbreviate words (see `reftex-abbrev-parameters').
848 not t and not nil: Abbreviate words if necessary to shorten
849 label string below MAXCHAR.
850SEPARATOR String separating different words in the label.
851IGNOREWORDS List of words which should not be part of labels.
852DOWNCASE t: Downcase words before using them."
853 :group 'reftex-making-and-inserting-labels
854 :type '(list (integer :tag "Number of words " 3)
855 (integer :tag "Maximum label length " 20)
5181ff9f 856 (choice :tag "Invalid characters in words"
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857 (const :tag "throw away entire word" nil)
858 (const :tag "throw away single chars" t))
859 (choice :tag "Abbreviate words "
860 (const :tag "never" nil)
861 (const :tag "always" t)
862 (const :tag "when label is too long" 1))
863 (string :tag "Separator between words " "-")
864 (repeat :tag "Ignore words"
865 :entry-format " %i %d %v"
866 (string :tag ""))
3666daf6 867 (option (boolean :tag "Downcase words "))))
1a9461d0 868
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869(defcustom reftex-label-regexps
870 '(;; Normal \\label{foo} labels
871 "\\\\label{\\(?1:[^}]*\\)}"
872 ;; keyvals [..., label = {foo}, ...] forms used by ctable,
873 ;; listings, minted, ...
874 "\\[[^]]*\\<label[[:space:]]*=[[:space:]]*{?\\(?1:[^],}]+\\)}?")
875 "List of regexps matching \\label definitions.
876The default value matches usual \\label{...} definitions and
877keyval style [..., label = {...}, ...] label definitions. It is
878assumed that the regexp group 1 matches the label text, so you
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879have to define it using \\(?1:...\\) when adding new regexps.
880
881When changed from Lisp, make sure to call
882`reftex-compile-variables' afterwards to make the change
883effective."
bb098075 884 :version "24.4"
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885 :set (lambda (symbol value)
886 (set symbol value)
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887 (when (fboundp 'reftex-compile-variables)
888 (reftex-compile-variables)))
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889 :group 'reftex-defining-label-environments
890 :type '(repeat (regexp :tag "Regular Expression")))
891
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892(defcustom reftex-label-ignored-macros-and-environments nil
893 "List of macros and environments to be ignored when searching for labels.
894The purpose is to ignore environments and macros that use keyval
895style label=foo arguments, but the label has a different meaning
896than a \\label{foo}. Standard \\label{...} definitions are never
897ignored.
898
899E.g., TikZ defines several macros/environments where [label=foo]
900defines the label to be printed at some node or edge, but it's
901not a label used for referencing.
902
903Note that this feature is only supported if you are using AUCTeX
904and the functions `TeX-current-macro' and
905`LaTeX-current-environment' are bound. Also note that this
906feature might slow down the reftex parsing process for large TeX
907files."
9fc02c2f 908 :version "24.4"
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909 :group 'reftex-defining-label-environments
910 :type '(repeat string))
911
1a9461d0 912(defcustom reftex-label-illegal-re "[^-a-zA-Z0-9_+=:;,.]"
5181ff9f 913 "Regexp matching characters not valid in labels."
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914 :group 'reftex-making-and-inserting-labels
915 :type '(regexp :tag "Regular Expression"))
916
917(defcustom reftex-abbrev-parameters '(4 2 "^aeiou" "aeiou")
918 "Parameters for abbreviation of words.
919This variable is a list of the following items.
920
921MIN-CHARS Minimum number of characters remaining after abbreviation.
922MIN-KILL Minimum number of characters to remove when abbreviating words.
923BEFORE Character class before abbrev point in word.
924AFTER Character class after abbrev point in word."
925 :group 'reftex-making-and-inserting-labels
926 :type '(list
927 (integer :tag "Minimum chars per word" 4)
928 (integer :tag "Shorten by at least " 2)
929 (string :tag "cut before char class " "^saeiou")
930 (string :tag "cut after char class " "aeiou")))
931
932(defcustom reftex-format-label-function nil
933 "Function which produces the string to insert as a label definition.
934Normally should be nil, unless you want to do something fancy.
935The function will be called with two arguments, the LABEL and the DEFAULT
70d797cd 936FORMAT, which usually is `\\label{%s}'. The function should return the
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937string to insert into the buffer."
938 :group 'reftex-making-and-inserting-labels
a931698a 939 :type '(choice (const nil) function))
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940
941;; Label referencing
942
943(defgroup reftex-referencing-labels nil
944 "Options on how to reference labels."
945 :group 'reftex-label-support)
946
947(eval-and-compile
948 (defconst reftex-tmp
949 '((const :tag "on" t)
950 (const :tag "off" nil)
951 (string :tag "Selected label types"))))
952
953(defcustom reftex-label-menu-flags '(t t nil nil nil nil t nil)
954 "List of flags governing the label menu makeup.
955The flags are:
956
957TABLE-OF-CONTENTS Show the labels embedded in a table of context.
958SECTION-NUMBERS Include section numbers (like 4.1.3) in table of contents.
959COUNTERS Show counters. This just numbers the labels in the menu.
960NO-CONTEXT Non-nil means do NOT show the short context.
961FOLLOW Follow full context in other window.
962SHOW-COMMENTED Show labels from regions which are commented out.
963MATCH-IN-TOC Obsolete flag.
964SHOW FILES Show begin and end of included files.
965
966Each of these flags can be set to t or nil, or to a string of type letters
967indicating the label types for which it should be true. These strings work
968like character classes in regular expressions. Thus, setting one of the
969flags to \"sf\" makes the flag true for section and figure labels, nil
970for everything else. Setting it to \"^sf\" makes it the other way round.
971The available label types are: s (section), f (figure), t (table), i (item),
972e (equation), n (footnote), plus any definitions in `reftex-label-alist'.
973
974Most options can also be switched from the label menu itself - so if you
975decide here to not have a table of contents in the label menu, you can still
976get one interactively during selection from the label menu."
977 :group 'reftex-referencing-labels
978 :type
979 `(list
980 (choice :tag "Embed in table of contents " ,@reftex-tmp)
981 (choice :tag "Show section numbers " ,@reftex-tmp)
982 (choice :tag "Show individual counters " ,@reftex-tmp)
983 (choice :tag "Hide short context " ,@reftex-tmp)
984 (choice :tag "Follow context in other window " ,@reftex-tmp)
985 (choice :tag "Show commented labels " ,@reftex-tmp)
3666daf6 986 (choice :tag "Obsolete flag, Don't use. " ,@reftex-tmp)
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987 (choice :tag "Show begin/end of included files" ,@reftex-tmp)))
988
989(defcustom reftex-multiref-punctuation '((?, . ", ") (?- . "--") (?+ . " and "))
990 "Punctuation strings for multiple references.
991When marking is used in the selection buffer to select several references,
992this variable associates the 3 marking characters `,-+' with prefix strings
70d797cd 993to be inserted into the buffer before the corresponding \\ref macro.
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994This is used to string together whole reference sets, like
995`eqs. 1,2,3-5,6 and 7' in a single call to `reftex-reference'. See manual."
996 :group 'reftex-referencing-labels
997 :type '(repeat (cons (character) (string))))
998
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999(defcustom reftex-ref-style-alist
1000 '(("Default" t
1001 (("\\ref" ?\C-m) ("\\pageref" ?p)))
1002 ("Varioref" "varioref"
1003 (("\\vref" ?v) ("\\vpageref" ?g) ("\\Vref" ?V) ("\\Ref" ?R)))
1004 ("Fancyref" "fancyref"
1005 (("\\fref" ?f) ("\\Fref" ?F)))
1006 ("Hyperref" "hyperref"
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1007 (("\\autoref" ?a) ("\\autopageref" ?u)))
1008 ("Cleveref" "cleveref"
1009 (("\\cref" ?c) ("\\Cref" ?C) ("\\cpageref" ?d) ("\\Cpageref" ?D))))
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1010 "Alist of reference styles.
1011Each element is a list of the style name, the name of the LaTeX
1012package associated with the style or t for any package, and an
1013alist of macros where the first entry of each item is the
1014reference macro and the second a key for selecting the macro when
1015the macro type is being prompted for. (See also
1016`reftex-ref-macro-prompt'.) The keys, represented as characters,
1017have to be unique."
1018 :group 'reftex-referencing-labels
d1a1c7e6 1019 :version "24.3"
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1020 :type '(alist :key-type (string :tag "Style name")
1021 :value-type (group (choice :tag "Package"
1022 (const :tag "Any package" t)
1023 (string :tag "Name"))
1024 (repeat :tag "Macros"
1025 (group (string :tag "Macro")
1026 (character :tag "Key"))))))
1027
1028(defcustom reftex-ref-macro-prompt t
1029 "If non-nil, `reftex-reference' prompts for the reference macro."
1030 :group 'reftex-referencing-labels
d1a1c7e6 1031 :version "24.3"
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1032 :type 'boolean)
1033
1a9461d0 1034(defcustom reftex-vref-is-default nil
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1035 "Non-nil means, the varioref reference style is used as default.
1036The value of this variable determines the default which is active
1037when entering the selection process. Instead of nil or t, this
1038may also be a string of type letters indicating the label types
1039for which it should be true.
1040
1041This variable is obsolete, use `reftex-ref-style-default-list'
1042instead."
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1043 :group 'reftex-referencing-labels
1044 :type `(choice :tag "\\vref is default macro" ,@reftex-tmp))
0a206828 1045;;;###autoload(put 'reftex-vref-is-default 'safe-local-variable (lambda (x) (or (stringp x) (symbolp x))))
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1046
1047(defcustom reftex-fref-is-default nil
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1048 "Non-nil means, the fancyref reference style is used as default.
1049The value of this variable determines the default which is active
1050when entering the selection process. Instead of nil or t, this
1051may also be a string of type letters indicating the label types
1052for which it should be true.
1053
1054This variable is obsolete, use `reftex-ref-style-default-list'
1055instead."
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1056 :group 'reftex-referencing-labels
1057 :type `(choice :tag "\\fref is default macro" ,@reftex-tmp))
0a206828 1058;;;###autoload(put 'reftex-fref-is-default 'safe-local-variable (lambda (x) (or (stringp x) (symbolp x))))
1a9461d0 1059
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1060(defcustom reftex-ref-style-default-list '("Default")
1061 "List of reference styles to be activated by default.
1062The order is significant and controls the order in which macros
1063can be cycled in the buffer for selecting a label. The entries
1064in the list have to match the respective reference style names
1065used in the variable `reftex-ref-style-alist'."
1066 :group 'reftex-referencing-labels
d1a1c7e6 1067 :version "24.3"
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1068 :type `(set ,@(mapcar (lambda (x) (list 'const (car x)))
1069 reftex-ref-style-alist)))
1070
1071;; Compatibility with obsolete variables.
1072(when reftex-vref-is-default
1073 (add-to-list 'reftex-ref-style-default-list "Varioref"))
1074(when reftex-fref-is-default
1075 (add-to-list 'reftex-ref-style-default-list "Fancyref"))
1076
1a9461d0 1077(defcustom reftex-level-indent 2
fb7ada5f 1078 "Number of spaces to be used for indentation per section level."
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1079 :group 'reftex-referencing-labels
1080 :type 'integer)
6c07f4d4 1081;;;###autoload(put 'reftex-level-indent 'safe-local-variable 'integerp)
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1082
1083(defcustom reftex-guess-label-type t
fb7ada5f 1084 "Non-nil means, `reftex-reference' will try to guess the label type.
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1085To do that, RefTeX will look at the word before the cursor and compare it with
1086the words given in `reftex-label-alist'. When it finds a match, RefTeX will
1087immediately offer the correct label menu - otherwise it will prompt you for
1088a label type. If you set this variable to nil, RefTeX will always prompt."
1089 :group 'reftex-referencing-labels
1090 :type 'boolean)
a55b741e 1091;;;###autoload(put 'reftex-guess-label-type 'safe-local-variable (lambda (x) (memq x '(nil t))))
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1092
1093(defcustom reftex-format-ref-function nil
1094 "Function which produces the string to insert as a reference.
4f595e15
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1095Normally should be nil, because the format to insert a reference
1096can already be specified in `reftex-label-alist'.
1097
1098This hook also is used by the special commands to insert
1099e.g. `\\vref' and `\\fref' references, so even if you set this,
1100your setting will be ignored by the special commands.
1101
1102The function will be called with three arguments, the LABEL, the
1103DEFAULT FORMAT, which normally is `~\\ref{%s}' and the REFERENCE
1104STYLE. The function should return the string to insert into the
1105buffer."
1a9461d0 1106 :group 'reftex-referencing-labels
4f595e15 1107 :type '(choice (const nil) function))
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1108
1109(defcustom reftex-select-label-mode-hook nil
4f595e15 1110 "Mode hook for `reftex-select-label-mode'."
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1111 :group 'reftex-referencing-labels
1112 :type 'hook)
1113
1114;; BibteX citation configuration ----------------------------------------
1115
1116(defgroup reftex-citation-support nil
1117 "Support for referencing bibliographic data with BibTeX."
1118 :group 'reftex)
1119
4f595e15 1120(defcustom reftex-bibliography-commands
c43d45f9 1121 '("bibliography" "nobibliography" "setupbibtex\\[.*?database=" "addbibresource")
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1122 "LaTeX commands which specify the BibTeX databases to use with the document."
1123 :group 'reftex-citation-support
1124 :type '(repeat string))
1125
1126
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1127(defvar reftex-bibfile-ignore-list nil) ; compatibility
1128(defcustom reftex-bibfile-ignore-regexps nil
fb7ada5f 1129 "List of regular expressions to exclude files in \\bibliography{..}.
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1130File names matched by these regexps will not be parsed by RefTeX.
1131Intended for files which contain only `@string' macro definitions and the
1132like, which are ignored by RefTeX anyway."
1133 :group 'reftex-citation-support
1134 :set 'reftex-set-dirty
1135 :type '(repeat (regexp)))
1136
1137(defcustom reftex-default-bibliography nil
fb7ada5f 1138 "List of BibTeX database files which should be used if none are specified.
1a9461d0 1139When `reftex-citation' is called from a document which has neither a
70d797cd 1140`\\bibliography{..}' statement nor a `thebibliography' environment,
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1141RefTeX will scan these files instead. Intended for using `reftex-citation'
1142in non-LaTeX files. The files will be searched along the BIBINPUTS or TEXBIB
1143path."
1144 :group 'reftex-citation-support
1145 :type '(repeat (file)))
1146
1147(defcustom reftex-sort-bibtex-matches 'reverse-year
fb7ada5f 1148 "Sorting of the entries found in BibTeX databases by reftex-citation.
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1149Possible values:
1150nil Do not sort entries.
1151'author Sort entries by author name.
1152'year Sort entries by increasing year.
1153'reverse-year Sort entries by decreasing year."
1154 :group 'reftex-citation-support
1155 :type '(choice (const :tag "not" nil)
1156 (const :tag "by author" author)
1157 (const :tag "by year" year)
1158 (const :tag "by year, reversed" reverse-year)))
1159
1160(defcustom reftex-cite-format 'default
fb7ada5f 1161 "The format of citations to be inserted into the buffer.
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1162It can be a string or an alist or a symbol. In the simplest case this
1163is just the string \"\\cite{%l}\", which is also the default. See the
1164definition of `reftex-cite-format-builtin' for more complex examples.
1165
1166If `reftex-cite-format' is a string, it will be used as the format.
1167In the format, the following percent escapes will be expanded.
1168
1169%l The BibTeX label of the citation.
6fbeb429 1170%a List of author names, see also `reftex-cite-punctuation'.
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1171%2a Like %a, but abbreviate more than 2 authors like Jones et al.
1172%A First author name only.
1173%e Works like %a, but on list of editor names. (%2e and %E work a well)
1174
1175It is also possible to access all other BibTeX database fields:
e6aff855
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1176%b booktitle %c chapter %d edition %h howpublished
1177%i institution %j journal %k key %m month
1178%n number %N note %o organization %p pages
1179%P first page %r address %s school %u publisher
1180%U url %t title %v volume %y year
1181%B booktitle, abbreviated %T title, abbreviated
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1182
1183Usually, only %l is needed. The other stuff is mainly for the echo area
1184display, and for (setq reftex-comment-citations t).
1185
c8de140b 1186%< as a special operator kills punctuation and space around it after the
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1187string has been formatted.
1188
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1189A pair of square brackets indicates an optional argument, and RefTeX
1190will prompt for the values of these arguments.
1191
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1192Beware that all this only works with BibTeX database files. When
1193citations are made from the \\bibitems in an explicit thebibliography
1194environment, only %l is available.
1195
1196If `reftex-cite-format' is an alist of characters and strings, the user
1197will be prompted for a character to select one of the possible format
1198strings.
1199 In order to configure this variable, you can either set
1200`reftex-cite-format' directly yourself or set it to the SYMBOL of one of
c8de140b 1201the predefined styles. The predefined symbols are those which have an
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1202association in the constant `reftex-cite-format-builtin'.
1203E.g.: (setq reftex-cite-format 'natbib)"
1204 :group 'reftex-citation-support
1205 :type
1206 `(choice
1207 :format "%{%t%}: \n%[Value Menu%] %v"
1208 (radio :tag "Symbolic Builtins"
1209 :indent 4
1210 :value default
1211 ,@(mapcar
1212 (lambda (x)
1213 (list 'const :tag (concat (symbol-name (nth 0 x))
1214 ": " (nth 1 x))
1215 (nth 0 x)))
1216 reftex-cite-format-builtin))
1217 (string :tag "format string" "\\cite{%l}")
1218 (repeat :tag "key-ed format strings"
1219 :value ((?\r . "\\cite{%l}")
1220 (?t . "\\cite{%l}") (?p . "\\cite{%l}"))
1221 (cons (character :tag "Key character" ?\r)
1222 (string :tag "Format string" "")))))
1223
f3c18bd0 1224(defcustom reftex-cite-prompt-optional-args 'maybe
fb7ada5f 1225 "Non-nil means, prompt for empty optional arguments in cite macros.
4f595e15 1226When an entry in `reftex-cite-format' is given with square brackets to
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1227indicate optional arguments (for example \\cite[][]{%l}), RefTeX can
1228prompt for values. Possible values are:
1229
1230nil Never prompt for optional arguments
1231t Always prompt
1232maybe Prompt only if `reftex-citation' was called with C-u prefix arg
1233
1234Unnecessary empty optional arguments are removed before insertion into
1235the buffer. See `reftex-cite-cleanup-optional-args'."
1236 :group 'reftex-citation-support
1237 :type '(choice
1238 (const :tag "Always" t)
1239 (const :tag "When called with prefix arg" maybe)
1240 (const :tag "Never" nil)))
1241
1242(defcustom reftex-cite-cleanup-optional-args t
fb7ada5f 1243 "Non-nil means, remove unnecessary empty optional arguments in cite macros.
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1244The cite macros provided by some packages (for example
1245natbib) allow specifying two optional arguments, one for a prefix to
1246the citation, and a second for a postfix. When only one optional
1247argument is given, it is interpreted as postfix. When this option is
1248t, RefTeX removes unnecessary empty optional arguments from the cite
1249macro before insertion. For example, it will change
1250 \\cite[][]{Jones} -> \\cite{Jones}
1251 \\cite[][Chapter 1]{Jones} -> \\cite[Chapter 1]{Jones}
1252 \\cite[see][]{Jones} -> \\cite[see][]{Jones}
1253 \\cite[see][Chapter 1]{Jones} -> \\cite{Jones}
1254Is is possible that other packages have other conventions about which
1255optional argument is interpreted how - that is why this cleaning up
1256can be turned off."
1257 :group 'reftex-citation-support
1258 :type 'boolean)
1259
1a9461d0 1260(defcustom reftex-comment-citations nil
fb7ada5f 1261 "Non-nil means add a comment for each citation describing the full entry.
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1262The comment is formatted according to `reftex-cite-comment-format'."
1263 :group 'reftex-citation-support
1264 :type 'boolean)
1265
1266(defcustom reftex-cite-comment-format
1267 "%% %2a %y, %j %v, %P, %b, %e, %u, %s %<\n"
1268 "Citation format used for commented citations. Must NOT contain %l.
1269See the variable `reftex-cite-format' for possible percent escapes."
1270 :group 'reftex-citation-support
1271 :type 'string)
1272
1273(defcustom reftex-cite-view-format "%2a %y, %T, %B, %j %v:%P, %s %<"
1274 "Citation format used to display citation info in the message area.
1275Must NOT contain %l. See the variable `reftex-cite-format' for
1276possible percent escapes."
1277 :group 'reftex-citation-support
1278 :group 'reftex-viewing-cross-references
1279 :type 'string)
1280
1281(defcustom reftex-cite-punctuation '(", " " \\& " " {\\it et al.}")
1282 "Punctuation for formatting of name lists in citations.
1283This is a list of 3 strings.
c8de140b
JB
12841. Normal names separator, like \", \" in Jones, Brown and Miller
12852. Final names separator, like \" and \" in Jones, Brown and Miller
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12863. The \"et al\" string, like \" {\\it et al.}\" in Jones {\\it et al.}"
1287 :group 'reftex-citation-support
1288 :type '(list
1289 (string :tag "Separator for names ")
1290 (string :tag "Separator for last name in list")
1291 (string :tag "string used as et al. ")))
1292
1293(defcustom reftex-format-cite-function nil
1294 "Function which produces the string to insert as a citation.
c8de140b 1295Normally should be nil, because the format to insert a reference can
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1296already be specified in `reftex-cite-format'.
1297The function will be called with two arguments, the CITATION KEY and the
1298DEFAULT FORMAT, which is taken from `reftex-cite-format'. The function
1299should return the string to insert into the buffer."
1300 :group 'reftex-citation-support
4f595e15 1301 :type '(choice (const nil) function))
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1302
1303(defcustom reftex-select-bib-mode-hook nil
1304 "Mode hook for reftex-select-bib-mode."
1305 :group 'reftex-citation-support
1306 :type 'hook)
1307
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1308(defcustom reftex-cite-key-separator ","
1309 "String to be used for separating several keys in a \\cite macro."
1310 :group 'reftex-citation-support
d1a1c7e6 1311 :version "24.3"
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1312 :type 'string)
1313
1314(defcustom reftex-create-bibtex-header nil
1315 "Header to insert in BibTeX files generated by RefTeX."
1316 :group 'reftex-citation-support
d1a1c7e6 1317 :version "24.3"
460042b8 1318 :type '(choice (const :tag "No header" nil) string))
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1319
1320(defcustom reftex-create-bibtex-footer nil
1321 "Footer to insert in BibTeX files generated by RefTeX."
1322 :group 'reftex-citation-support
d1a1c7e6 1323 :version "24.3"
460042b8 1324 :type '(choice (const :tag "No footer" nil) string))
4f595e15 1325
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1326;; Index Support Configuration
1327
1328(defgroup reftex-index-support nil
1329 "Support for viewing and editing the index."
1330 :group 'reftex)
1331
1332(defcustom reftex-support-index t
fb7ada5f 1333 "Non-nil means, index entries are parsed as well.
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1334Index support is resource intensive and the internal structure holding the
1335parsed information can become quite big. Therefore it can be turned off.
1336When this is nil and you execute a command which requires index support,
1337you will be asked for confirmation to turn it on and rescan the document."
1338 :group 'reftex-index-support
1339 :type 'boolean)
1340
1341(defcustom reftex-index-special-chars '("!" "|" "@" "\"" "\\")
1342 "Special characters in index entries. The value is a list of five strings.
1343These correspond to the makeindex keywords LEVEL ENCAP ACTUAL QUOTE ESCAPE."
1344 :group 'reftex-index-support
1345 :type '(list
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1346 (string :tag "LEVEL separator")
1347 (string :tag "ENCAP char ")
1348 (string :tag "ACTUAL char ")
1349 (string :tag "QUOTE char ")
1350 (string :tag "ESCAPE char ")))
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1351
1352(defcustom reftex-index-macros nil
4f595e15
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1353 "Macros which define index entries.
1354
1355The structure is
1a9461d0 1356
3666daf6 1357\(MACRO INDEX-TAG KEY PREFIX EXCLUDE REPEAT)
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1358
1359MACRO is the macro. Arguments should be denoted by empty braces like
1360\\index[]{*}. Use square brackets to denote optional arguments. The star
1361marks where the index key is.
1362
1363INDEX-TAG is a short name of the index. \"idx\" and \"glo\" are
1364reserved for the default index and the glossary. Other indices can be
1365defined as well. If this is an integer, the Nth argument of the macro
1366holds the index tag.
1367
1368KEY is a character which is used to identify the macro for input with
1369\\[reftex-index]. ?i, ?I, and ?g are reserved for default index and glossary.
1370
1371PREFIX can be a prefix which is added to the KEY part of the index entry.
1372If you have a macro \\newcommand{\\molec}[1]{#1\\index{Molecules!#1}}, this
1373prefix should be \"Molecules!\". See the manual for details.
1374
1375EXCLUDE can be a function. If this function exists and returns a non-nil
1376value, the index entry at point is ignored. This was implemented to support
1377the (deprecated) `^' and `_' shortcuts in the LaTeX2e `index' package.
1378
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1379REPEAT, if non-nil, means the index macro does not typeset the entry in
1380the text, so that the text has to be repeated outside the index macro.
1381Needed for `reftex-index-selection-or-word' and for indexing from the
1382phrase buffer.
1383
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1384The final entry may also be a symbol if this entry has a association
1385in the variable `reftex-index-macros-builtin' to specify the main
f8b00e0f 1386indexing package you are using. Valid values are currently
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1387default The LaTeX default - unnecessary to specify this one
1388multind The multind.sty package
1389index The index.sty package
1390index-shortcut The index.sty packages with the ^ and _ shortcuts.
1391 Should not be used - only for old documents.
1392Note that AUCTeX sets these things internally for RefTeX as well, so
1393with a sufficiently new version of AUCTeX, you should not set the
1394package here."
1395 :group 'reftex-index-support
1396 :set 'reftex-set-dirty
1397 :type `(list
c8de140b 1398 (repeat
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1399 :inline t
1400 (list :value ("" "idx" ?a "" nil)
1401 (string :tag "Macro with args")
1402 (choice :tag "Index Tag "
1403 (string)
1404 (integer :tag "Macro arg Nr" :value 1))
1405 (character :tag "Access Key ")
1406 (string :tag "Key Prefix ")
1407 (symbol :tag "Exclusion hook ")
7c4d13cc 1408 (boolean :tag "Repeat Outside ")))
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1409 (option
1410 :tag "Package:"
1411 (choice :tag "Package"
1412 :value index
1413 ,@(mapcar
1414 (lambda (x)
1415 (list 'const :tag (concat (symbol-name (nth 0 x))
1416 ": " (nth 1 x))
1417 (nth 0 x)))
1418 reftex-index-macros-builtin)))))
1a9461d0 1419
7c4d13cc 1420(defcustom reftex-index-default-macro '(?i "idx")
1a9461d0 1421 "The default index macro for \\[reftex-index-selection-or-word].
7c4d13cc 1422This is a list with (MACRO-KEY DEFAULT-TAG).
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1423
1424MACRO-KEY: Character identifying an index macro - see `reftex-index-macros'.
c8de140b 1425DEFAULT-TAG: This is the tag to be used if the macro requires a TAG argument.
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1426 When this is nil and a TAG is needed, RefTeX will ask for it.
1427 When this is the empty string and the TAG argument of the index
7c4d13cc 1428 macro is optional, the TAG argument will be omitted."
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1429 :group 'reftex-index-support
1430 :type '(list
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1431 (character :tag "Character identifying default macro")
1432 (choice :tag "Default index tag "
1433 (const nil)
1434 (string))))
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1435
1436(defcustom reftex-index-default-tag "idx"
1437 "Default index tag.
1438When working with multiple indexes, RefTeX queries for an index tag when
1439creating index entries or displaying a specific index. This variable controls
1440the default offered for these queries. The default can be selected with RET
f8b00e0f 1441during selection or completion. Valid values of this variable are:
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1442
1443nil Do not provide a default index
1444\"tag\" The default index tag given as a string, e.g. \"idx\".
1445last The last used index tag will be offered as default."
1446 :group 'reftex-index-support
1447 :type '(choice
3666daf6 1448 (const :tag "no default" nil)
9c61f806 1449 (const :tag "last used " last)
3666daf6 1450 (string :tag "index tag " "idx")))
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1451
1452(defcustom reftex-index-math-format "$%s$"
1453 "Format of index entries when copied from inside math mode.
1454When `reftex-index-selection-or-word' is executed inside TeX math mode,
1455the index key copied from the buffer is processed with this format string
1456through the `format' function. This can be used to add the math delimiters
3666daf6 1457\(e.g. `$') to the string.
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1458Requires the `texmathp.el' library which is part of AUCTeX."
1459 :group 'reftex-index-support
1460 :type 'string)
1461
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1462(defcustom reftex-index-phrase-file-extension ".rip"
1463 "File extension for the index phrase file.
1464This extension will be added to the base name of the master file."
1465 :group 'reftex-index-support
1466 :type 'string)
1467
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1468(defcustom reftex-index-phrases-logical-and-regexp " *&& *"
1469 "Regexp matching the `and' operator for index arguments in phrases file.
1470When several index arguments in a phrase line are separated by this
1471operator, each part will generate an index macro. So each match of
1472the search phrase will produce *several* different index entries.
1473
1474Note: make sure this does no match things which are not separators.
1475This logical `and' has higher priority than the logical `or' specified in
1476`reftex-index-phrases-logical-or-regexp'."
1477 :group 'reftex-index-support
1478 :type 'regexp)
1479
1480(defcustom reftex-index-phrases-logical-or-regexp " *|| *"
1481 "Regexp matching the `or' operator for index arguments in phrases file.
1482When several index arguments in a phrase line are separated by this
1483operator, the user will be asked to select one of them at each match
1484of the search phrase. The first index arg will be the default - a
1485number key 1-9 must be pressed to switch to another.
1486
1487Note: make sure this does no match things which are not separators.
1488The logical `and' specified in `reftex-index-phrases-logical-or-regexp'
1489has higher priority than this logical `or'."
1490 :group 'reftex-index-support
1491 :type 'regexp)
1492
1493(defcustom reftex-index-phrases-search-whole-words t
fb7ada5f 1494 "Non-nil means phrases search will look for whole words, not subwords.
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1495This works by requiring word boundaries at the beginning and end of
1496the search string. When the search phrase already has a non-word-char
1497at one of these points, no word boundary is required there."
1498 :group 'reftex-index-support
1499 :type 'boolean)
1500
1501(defcustom reftex-index-phrases-case-fold-search t
fb7ada5f 1502 "Non-nil means, searching for index phrases will ignore case."
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1503 :group 'reftex-index-support
1504 :type 'boolean)
1505
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1506(defcustom reftex-index-verify-function nil
1507 "A function which is called at each match during global indexing.
1508If the function returns nil, the current match is skipped."
1509 :group 'reftex-index-support
1510 :type '(choice
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1511 (const :tag "No verification" nil)
1512 (function)))
6fbeb429 1513
7c4d13cc 1514(defcustom reftex-index-phrases-skip-indexed-matches nil
fb7ada5f 1515 "Non-nil means, skip matches which appear to be indexed already.
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1516When doing global indexing from the phrases buffer, searches for some
1517phrases may match at places where that phrase was already indexed. In
1518particular when indexing an already processed document again, this
1519will even be the norm. When this variable is non-nil, RefTeX checks if
3666daf6 1520the match is inside an index macro argument, or if an index macro is directly
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1521before or after the phrase. If that is the case, that match will
1522be ignored."
1523 :group 'reftex-index-support
1524 :type 'boolean)
1525
1526(defcustom reftex-index-phrases-wrap-long-lines nil
fb7ada5f 1527 "Non-nil means, when indexing from the phrases buffer, wrap lines.
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1528Inserting indexing commands in a line makes the line longer - often
1529so long that it does not fit onto the screen. When this variable is
1530non-nil, newlines will be added as necessary before and/or after the
1531indexing command to keep lines short. However, the matched text
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1532phrase and its index command will always end up on a single line."
1533 :group 'reftex-index-support
1534 :type 'boolean)
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1535
1536(defcustom reftex-index-phrases-sort-prefers-entry nil
fb7ada5f 1537 "Non-nil means when sorting phrase lines, the explicit index entry is used.
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1538Phrase lines in the phrases buffer contain a search phrase, and
1539sorting is normally based on these. Some phrase lines also have
1540an explicit index argument specified. When this variable is non-nil,
1541the index argument will be used for sorting."
1542 :group 'reftex-index-support
1543 :type 'boolean)
1544
1545(defcustom reftex-index-phrases-sort-in-blocks t
fb7ada5f 1546 "Non-nil means, empty and comment lines separate phrase buffer into blocks.
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1547Sorting will then preserve blocks, so that lines are re-arranged only
1548within blocks."
1549 :group 'reftex-index-support
1550 :type 'boolean)
1551
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1552(defcustom reftex-index-section-letters "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1553 "The letters which denote sections in the index.
1554Usually these are all capital letters. Don't use any downcase letters.
1555Order is not significant, the index will be sorted by whatever the sort
1556function thinks is correct.
1557In addition to these letters, RefTeX will create a group `!' which
1558contains all entries sorted below the lowest specified letter.
1559In the index buffer, pressing any of these capital letters or `!' will jump
1560to that section."
1561 :group 'reftex-index-support
1562 :type '(string :tag "Capital letters"))
1563
1564(defcustom reftex-index-include-context nil
fb7ada5f 1565 "Non-nil means, display the index definition context in the index buffer.
c8de140b 1566This flag may also be toggled from the index buffer with the `c' key."
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1567 :group 'reftex-index-support
1568 :type 'boolean)
1569
1570(defcustom reftex-index-follow-mode nil
fb7ada5f 1571 "Non-nil means, point in *Index* buffer will cause other window to follow.
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1572The other window will show the corresponding part of the document.
1573This flag can be toggled from within the *Index* buffer with the `f' key."
1574 :group 'reftex-table-of-contents-browser
1575 :type 'boolean)
1576
1577;; Viewing Cross References
1578
1579(defgroup reftex-viewing-cross-references nil
1580 "Displaying cross references and citations."
1581 :group 'reftex)
1582
1583(defcustom reftex-view-crossref-extra nil
1584 "Macros which can be used for the display of cross references.
1585This is used when `reftex-view-crossref' is called with point in an
1586argument of a macro. Note that crossref viewing for citations,
1587references (both ways) and index entries is hard-coded. This variable
4f595e15 1588is only to configure additional structures for which cross-reference
c8de140b 1589viewing can be useful. Each entry has the structure
1a9461d0 1590
3666daf6 1591\(MACRO-RE SEARCH-RE HIGHLIGHT).
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1592
1593MACRO-RE is matched against the macro. SEARCH-RE is the regexp used
1594to search for cross references. `%s' in this regexp is replaced with
1595with the macro argument at point. HIGHLIGHT is an integer indicating
1596which subgroup of the match should be highlighted."
1597 :group 'reftex-viewing-cross-references
1598 :type '(repeat (group (regexp :tag "Macro Regexp ")
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1599 (string :tag "Search Regexp ")
1600 (integer :tag "Highlight Group"))))
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1601
1602(defcustom reftex-auto-view-crossref t
fb7ada5f 1603 "Non-nil means, initially turn automatic viewing of crossref info on.
1a9461d0 1604Automatic viewing of crossref info normally uses the echo area.
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1605Whenever point is idle for more than `reftex-idle-time' seconds on the
1606argument of a \\ref or \\cite macro, and no other message is being
1607displayed, the echo area will display information about that cross
1608reference. You can also set the variable to the symbol `window'. In
1609this case a small temporary window is used for the display.
c8de140b 1610This feature can be turned on and off from the menu
3666daf6 1611\(Ref->Options)."
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1612 :group 'reftex-viewing-cross-references
1613 :type '(choice (const :tag "off" nil)
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1614 (const :tag "in Echo Area" t)
1615 (const :tag "in Other Window" window)))
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1616
1617(defcustom reftex-idle-time 1.2
fb7ada5f 1618 "Time (secs) Emacs has to be idle before automatic crossref display is done.
3b919c9f 1619Applies also to toc recentering."
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1620 :group 'reftex-viewing-cross-references
1621 :type 'number)
1622
1623(defcustom reftex-revisit-to-echo nil
fb7ada5f 1624 "Non-nil means, automatic citation display will revisit files if necessary.
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1625When nil, citation display in echo area will only be active for cached
1626entries and for BibTeX database files with live associated buffers."
1627 :group 'reftex-viewing-cross-references
1628 :type 'boolean)
1629
1630(defcustom reftex-cache-cite-echo t
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1631 "Non-nil means, echoed information for cite macros is cached.
1632The information displayed in the echo area for cite macros is
1633cached and even saved along with the parsing information. The
1634cache survives document scans. In order to clear it, use M-x
1635reftex-reset-mode <RET>."
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1636 :group 'reftex-viewing-cross-references
1637 :type 'boolean)
1638
1639(defcustom reftex-display-copied-context-hook nil
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1640 "Normal hook which is run before context is displayed anywhere.
1641Designed for X-Symbol, but may have other uses as well."
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1642 :group 'reftex-viewing-cross-references
1643 :group 'reftex-referencing-labels
1644 :type 'hook)
1645
1646;; Finding Files --------------------------------------------------------
1647
1648(defgroup reftex-finding-files nil
1649 "Finding files on search paths."
1650 :group 'reftex)
1651
1652(defcustom reftex-texpath-environment-variables '("TEXINPUTS")
fb7ada5f 1653 "List of specifications how to retrieve the search path for TeX files.
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1654Several entries are possible.
1655- If an element is the name of an environment variable, its content is used.
1656- If an element starts with an exclamation mark, it is used as a command
1657 to retrieve the path. A typical command with the kpathsearch library would
c8de140b 1658 be `!kpsewhich -show-path=.tex'.
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1659- Otherwise the element itself is interpreted as a path.
1660Multiple directories can be separated by the system dependent `path-separator'.
1661Directories ending in `//' or `!!' will be expanded recursively.
1662See also `reftex-use-external-file-finders'."
1663 :group 'reftex-finding-files
1664 :set 'reftex-set-dirty
1665 :type '(repeat (string :tag "Specification")))
1666
1667(defcustom reftex-bibpath-environment-variables '("BIBINPUTS" "TEXBIB")
fb7ada5f 1668 "List of specifications how to retrieve search path for .bib database files.
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1669Several entries are possible.
1670- If an element is the name of an environment variable, its content is used.
1671- If an element starts with an exclamation mark, it is used as a command
1672 to retrieve the path. A typical command with the kpathsearch library would
c8de140b 1673 be `!kpsewhich -show-path=.bib'.
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1674- Otherwise the element itself is interpreted as a path.
1675Multiple directories can be separated by the system dependent `path-separator'.
1676Directories ending in `//' or `!!' will be expanded recursively.
1677See also `reftex-use-external-file-finders'."
1678 :group 'reftex-citation-support
1679 :group 'reftex-finding-files
1680 :set 'reftex-set-dirty
1681 :type '(repeat (string :tag "Specification")))
1682
1683(defcustom reftex-file-extensions '(("tex" . (".tex" ".ltx"))
3666daf6 1684 ("bib" . (".bib")))
fb7ada5f 1685 "Association list with file extensions for different file types.
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1686This is a list of items, each item is like: (TYPE . (DEF-EXT OTHER-EXT ...))
1687
1688TYPE: File type like \"bib\" or \"tex\".
1689DEF-EXT: The default extension for that file type, like \".tex\" or \".bib\".
f8b00e0f 1690OTHER-EXT: Any number of other valid extensions for this file type.
1a9461d0 1691
3a1e8128 1692When a files is searched and it does not have any of the legal extensions,
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1693we try the default extension first, and then the naked file name.
1694
1695If you are using AUCTeX, you also need to add new extensions to
1696TeX-file-extensions."
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1697 :group 'reftex-finding-files
1698 :type '(repeat (cons (string :tag "File type")
3666daf6 1699 (repeat (string :tag "Extension")))))
1a9461d0 1700
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1701(defcustom reftex-try-all-extensions nil
1702 "Non-nil means, try all extensions listed in `reftex-file-extensions'.
1703When searching for a file, LaTeX uses only the default extension. However,
1704if you are working with a noweb system that produces the .tex files from
1705some other file, and you want RefTeX to scan the web file instead of the
1706tex file, you need to set this option. You also need to make the noweb
1707extension the default extension, i.e. the first in the list in
1708`reftex-file-extensions'.
1709Note that if you are using external file finders, this option has no effect."
1710 :group 'reftex-finding-files
1711 :type 'boolean)
1712
1a9461d0 1713(defcustom reftex-search-unrecursed-path-first t
fb7ada5f 1714 "Non-nil means, search all specified directories before trying recursion.
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1715Thus, in a path \".//:/tex/\", search first \"./\", then \"/tex/\" and then
1716all subdirectories of \"./\". If this option is nil, the subdirectories of
c8de140b 1717\"./\" are searched before \"/tex/\". This is mainly for speed - most of the
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1718time the recursive path is for the system files and not for the user files.
1719Set this to nil if the default makes RefTeX finding files with equal names
1720in wrong sequence."
1721 :group 'reftex-finding-files
1722 :type 'boolean)
1723
1724(defcustom reftex-use-external-file-finders nil
fb7ada5f 1725 "Non-nil means, use external programs to find files.
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1726Normally, RefTeX searches the paths given in the environment variables
1727TEXINPUTS and BIBINPUTS to find TeX files and BibTeX database files.
1728With this option turned on, it calls an external program specified in the
1729option `reftex-external-file-finders' instead. As a side effect,
c8de140b 1730the variables `reftex-texpath-environment-variables' and
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1731`reftex-bibpath-environment-variables' will be ignored."
1732 :group 'reftex-finding-files
1733 :type 'boolean)
1734
1735(defcustom reftex-external-file-finders '(("tex" . "kpsewhich -format=.tex %f")
3666daf6 1736 ("bib" . "kpsewhich -format=.bib %f"))
fb7ada5f 1737 "Association list with external programs to call for finding files.
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1738Each entry is a cons cell (TYPE . PROGRAM).
1739TYPE is either \"tex\" or \"bib\". PROGRAM is the external program to use with
1740any arguments. %f will be replaced by the name of the file to be found.
1741Note that these commands will be executed directly, not via a shell.
1742Only relevant when `reftex-use-external-file-finders' is non-nil."
1743 :group 'reftex-finding-files
1744 :type '(repeat (cons (string :tag "File type")
3666daf6 1745 (string :tag "Program "))))
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1746
1747;; Tuning the parser ----------------------------------------------------
1748
1749(defgroup reftex-optimizations-for-large-documents nil
1750 "Configuration of parser speed and memory usage."
1751 :group 'reftex)
1752
1753(defcustom reftex-keep-temporary-buffers 1
fb7ada5f 1754 "Non-nil means, keep buffers created for parsing and lookup.
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1755RefTeX sometimes needs to visit files related to the current document.
1756We distinguish files visited for
1757PARSING: Parts of a multifile document loaded when (re)-parsing the document.
1758LOOKUP: BibTeX database files and TeX files loaded to find a reference,
1759 to display label context, etc.
1760The created buffers can be kept for later use, or be thrown away immediately
1761after use, depending on the value of this variable:
1762
1763nil Throw away as much as possible.
1764t Keep everything.
17651 Throw away buffers created for parsing, but keep the ones created
1766 for lookup.
1767
1768If a buffer is to be kept, the file is visited normally (which is potentially
1769slow but will happen only once).
1770If a buffer is to be thrown away, the initialization of the buffer depends
1771upon the variable `reftex-initialize-temporary-buffers'."
1772 :group 'reftex-optimizations-for-large-documents
1773 :type '(choice
1774 (const :tag "Throw away everything" nil)
1775 (const :tag "Keep everything" t)
1776 (const :tag "Keep lookup buffers only" 1)))
1777
1778(defcustom reftex-initialize-temporary-buffers nil
fb7ada5f 1779 "Non-nil means do initializations even when visiting file temporarily.
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1780When nil, RefTeX may turn off find-file hooks and other stuff to briefly
1781visit a file.
1782When t, the full default initializations are done (find-file-hook etc.).
1783Instead of t or nil, this variable may also be a list of hook functions to
1784do a minimal initialization."
1785 :group 'reftex-optimizations-for-large-documents
1786 :type '(choice
1787 (const :tag "Read files literally" nil)
1788 (const :tag "Fully initialize buffers" t)
1789 (repeat :tag "Hook functions" :value (nil)
1790 (function-item))))
1791
1792(defcustom reftex-no-include-regexps '("\\.pstex_t\\'")
fb7ada5f 1793 "List of regular expressions to exclude certain input files from parsing.
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1794If the name of a file included via \\include or \\input is matched by any
1795of the regular expressions in this list, that file is not parsed by RefTeX."
1796 :group 'reftex-optimizations-for-large-documents
1797 :type '(repeat (regexp)))
1798
1799(defcustom reftex-enable-partial-scans nil
fb7ada5f 1800 "Non-nil means, re-parse only 1 file when asked to re-parse.
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1801Re-parsing is normally requested with a `C-u' prefix to many RefTeX commands,
1802or with the `r' key in menus. When this option is t in a multifile document,
1803we will only parse the current buffer, or the file associated with the label
1804or section heading near point in a menu. Requesting re-parsing of an entire
1805multifile document then requires a `C-u C-u' prefix or the capital `R' key
1806in menus."
1807 :group 'reftex-optimizations-for-large-documents
1808 :type 'boolean)
1809
1810(defcustom reftex-allow-automatic-rescan t
fb7ada5f 1811 "Non-nil means, RefTeX may rescan the document when this seems necessary.
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1812Currently this applies only to rescanning after label insertion, when
1813the new label cannot be inserted correctly into the internal label
1814list."
1815 :group 'reftex-optimizations-for-large-documents
1816 :type 'boolean)
1817
1818(defcustom reftex-save-parse-info nil
fb7ada5f 1819 "Non-nil means, save information gathered with parsing in a file.
1a9461d0 1820The file MASTER.rel in the same directory as MASTER.tex is used to save the
c8de140b 1821information. When this variable is t,
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1822- accessing the parsing information for the first time in an editing session
1823 will read that file (if available) instead of parsing the document.
4f595e15 1824- exiting Emacs or killing a buffer in `reftex-mode' will cause a new version
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1825 of the file to be written."
1826 :group 'reftex-optimizations-for-large-documents
1827 :type 'boolean)
1828
9f286482 1829(defcustom reftex-parse-file-extension ".rel"
fb7ada5f 1830 "File extension for the file in which parser information is stored.
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1831This extension is added to the base name of the master file."
1832 :group 'reftex-optimizations-for-large-documents
1833 :type 'string)
1834
1a9461d0 1835(defcustom reftex-use-multiple-selection-buffers nil
fb7ada5f 1836 "Non-nil means use a separate selection buffer for each label type.
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1837These buffers are kept from one selection to the next and need not to be
1838created for each use - so the menu generally comes up faster. The
1839selection buffers will be erased (and therefore updated) automatically
1840when new labels in its category are added. See the variable
1841`reftex-auto-update-selection-buffers'."
1842 :group 'reftex-optimizations-for-large-documents
1843 :group 'reftex-referencing-labels
1844 :type 'boolean)
1845
1846(defcustom reftex-auto-update-selection-buffers t
fb7ada5f 1847 "Non-nil means, selection buffers will be updated automatically.
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1848When a new label is defined with `reftex-label', all selection buffers
1849associated with that label category are emptied, in order to force an
1850update upon next use. When nil, the buffers are left alone and have to be
1851updated by hand, with the `g' key from the label selection process.
1852The value of this variable will only have any effect when
1853`reftex-use-multiple-selection-buffers' is non-nil."
1854 :group 'reftex-optimizations-for-large-documents
1855 :group 'reftex-referencing-labels
1856 :type 'boolean)
1857
1858;; Fontification and Faces ----------------------------------------------
1859
1860(defgroup reftex-fontification-configurations nil
1861 "Options concerning the faces used in RefTeX."
8ec3bce0 1862 :link '(custom-group-link :tag "Font Lock Faces group" font-lock-faces)
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1863 :group 'reftex)
1864
1865(defcustom reftex-use-fonts t
fb7ada5f 1866 "Non-nil means, use fonts in *toc* and selection buffers.
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1867Font-lock must be loaded as well to actually get fontified display.
1868When changing this option, a rescan may be necessary to activate the change."
1869 :group 'reftex-fontification-configurations
1870 :type 'boolean)
1871
1872(defcustom reftex-refontify-context 1
fb7ada5f 1873 "Non-nil means, re-fontify the context in the label menu with font-lock.
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1874This slightly slows down the creation of the label menu. It is only necessary
1875when you definitely want the context fontified.
1876
1877This option may have 3 different values:
1878nil Never refontify.
1879t Always refontify.
18801 Refontify when absolutely necessary, e.g. when old versions of X-Symbol.
1881The option is ignored when `reftex-use-fonts' is nil."
1882 :group 'reftex-fontification-configurations
1883 :group 'reftex-referencing-labels
1884 :type '(choice
1885 (const :tag "Never" nil)
1886 (const :tag "Always" t)
1887 (const :tag "When necessary" 1)))
1888
1889(defcustom reftex-highlight-selection 'cursor
fb7ada5f 1890 "Non-nil mean, highlight selected text in selection and *toc* buffers.
1a9461d0 1891Normally, the text near the cursor is the selected text, and it is
9858f6c3 1892highlighted. This is the entry most keys in the selection and *toc*
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1893buffers act on. However, if you mainly use the mouse to select an
1894item, you may find it nice to have mouse-triggered highlighting
c8de140b 1895instead or as well. The variable may have one of these values:
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1896
1897 nil No highlighting.
1898 cursor Highlighting is cursor driven.
1899 mouse Highlighting is mouse driven.
1900 both Both cursor and mouse trigger highlighting.
1901
1902Changing this variable requires to rebuild the selection and *toc* buffers
1903to become effective (keys `g' or `r')."
1904 :group 'reftex-fontification-configurations
1905 :type '(choice
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1906 (const :tag "Never" nil)
1907 (const :tag "Cursor driven" cursor)
1908 (const :tag "Mouse driven" mouse)
1909 (const :tag "Mouse and Cursor driven." both)))
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1910
1911(defcustom reftex-cursor-selected-face 'highlight
1912 "Face name to highlight cursor selected item in toc and selection buffers.
1913See also the variable `reftex-highlight-selection'."
1914 :group 'reftex-fontification-configurations
1915 :type 'symbol)
1916(defcustom reftex-mouse-selected-face 'secondary-selection
1917 "Face name to highlight mouse selected item in toc and selection buffers.
1918See also the variable `reftex-highlight-selection'."
1919 :group 'reftex-fontification-configurations
1920 :type 'symbol)
1921(defcustom reftex-file-boundary-face 'font-lock-comment-face
1922 "Face name for file boundaries in selection buffer."
1923 :group 'reftex-fontification-configurations
1924 :type 'symbol)
1925(defcustom reftex-label-face 'font-lock-constant-face
1926 "Face name for labels in selection buffer."
1927 :group 'reftex-fontification-configurations
1928 :type 'symbol)
1929(defcustom reftex-section-heading-face 'font-lock-function-name-face
1930 "Face name for section headings in toc and selection buffers."
1931 :group 'reftex-fontification-configurations
1932 :type 'symbol)
1933(defcustom reftex-toc-header-face 'font-lock-comment-face
1934 "Face name for the header of a toc buffer."
1935 :group 'reftex-fontification-configurations
1936 :type 'symbol)
1937(defcustom reftex-bib-author-face 'font-lock-keyword-face
1938 "Face name for author names in bib selection buffer."
1939 :group 'reftex-fontification-configurations
1940 :type 'symbol)
1941(defcustom reftex-bib-year-face 'font-lock-comment-face
1942 "Face name for year in bib selection buffer."
1943 :group 'reftex-fontification-configurations
1944 :type 'symbol)
1945(defcustom reftex-bib-title-face 'font-lock-function-name-face
1946 "Face name for article title in bib selection buffer."
1947 :group 'reftex-fontification-configurations
1948 :type 'symbol)
1949(defcustom reftex-bib-extra-face 'font-lock-comment-face
1950 "Face name for bibliographic information in bib selection buffer."
1951 :group 'reftex-fontification-configurations
1952 :type 'symbol)
1953(defcustom reftex-select-mark-face 'bold
1954 "Face name for marked entries in the selection buffers."
1955 :group 'reftex-fontification-configurations
1956 :type 'symbol)
1957(defcustom reftex-index-header-face 'font-lock-comment-face
1958 "Face name for the header of an index buffer."
1959 :group 'reftex-fontification-configurations
1960 :type 'symbol)
1961(defcustom reftex-index-section-face 'font-lock-function-name-face
1962 "Face name for the start of a new letter section in the index."
1963 :group 'reftex-fontification-configurations
1964 :type 'symbol)
1965(defcustom reftex-index-tag-face 'font-lock-keyword-face
1966 "Face name for index names (for multiple indices)."
1967 :group 'reftex-fontification-configurations
1968 :type 'symbol)
1969(defcustom reftex-index-face 'font-lock-constant-face
1970 "Face name for index entries."
1971 :group 'reftex-fontification-configurations
1972 :type 'symbol)
1973
1974(defcustom reftex-pre-refontification-functions nil
1975 "X-Symbol specific hook.
1976Functions get two arguments, the buffer from where the command started and a
1977symbol indicating in what context the hook is called."
1978 :group 'reftex-fontification-configurations
1979 :type 'hook)
1980
1981;; Miscellaneous configurations -----------------------------------------
1982
1983(defgroup reftex-miscellaneous-configurations nil
1984 "Collection of further configurations."
1985 :group 'reftex)
1986
1987(defcustom reftex-extra-bindings nil
1988 "Non-nil means, make additional key bindings on startup.
4f595e15 1989These extra bindings are located in the users `C-c letter' map."
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1990 :group 'reftex-miscellaneous-configurations
1991 :type 'boolean)
1992
1993(defcustom reftex-plug-into-AUCTeX nil
fb7ada5f 1994 "Plug-in flags for AUCTeX interface.
4f595e15 1995This variable is a list of 5 boolean flags. When a flag is non-nil,
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1996RefTeX will
1997
1998 - supply labels in new sections and environments (flag 1)
1999 - supply arguments for macros like `\\label'. (flag 2)
2000 - supply arguments for macros like `\\ref'. (flag 3)
2001 - supply arguments for macros like `\\cite'. (flag 4)
2002 - supply arguments for macros like `\\index'. (flag 5)
2003
2004You may also set the variable itself to t or nil in order to turn all
2005plug-ins on or off, respectively.
2006\\<LaTeX-mode-map>Supplying labels in new sections and environments applies when creating
2007sections with \\[LaTeX-section] and environments with \\[LaTeX-environment].
2008Supplying macro arguments applies when you insert such a macro interactively
2009with \\[TeX-insert-macro].
2010See the AUCTeX documentation for more information.
2011RefTeX uses `fset' to take over the function calls. Changing the variable
2012may require a restart of Emacs in order to become effective."
2013 :group 'reftex-miscellaneous-configurations
2014 :group 'LaTeX
c8de140b 2015 :type '(choice
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2016 (const :tag "No plug-ins" nil)
2017 (const :tag "All possible plug-ins" t)
2018 (list
2019 :tag "Individual choice"
2020 :value (t t t t t)
2021 (boolean :tag "supply label in new sections and environments")
2022 (boolean :tag "supply argument for macros like `\\label' ")
2023 (boolean :tag "supply argument for macros like `\\ref' ")
2024 (boolean :tag "supply argument for macros like `\\cite' ")
4f595e15 2025 (boolean :tag "supply argument for macros like `\\index' "))))
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2026
2027(defcustom reftex-allow-detached-macro-args nil
fb7ada5f 2028 "Non-nil means, allow arguments of macros to be detached by whitespace.
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2029When this is t, `aaa' will be considered as argument of \\bb in the following
2030construct: \\bbb [xxx] {aaa}."
2031 :group 'reftex-miscellaneous-configurations
2032 :type 'boolean)
2033
2034
2035(defcustom reftex-load-hook nil
2036 "Hook which is being run when loading reftex.el."
2037 :group 'reftex-miscellaneous-configurations
2038 :type 'hook)
2039
2040(defcustom reftex-mode-hook nil
2041 "Hook which is being run when turning on RefTeX mode."
2042 :group 'reftex-miscellaneous-configurations
2043 :type 'hook)
2044
3666daf6 2045
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2046(provide 'reftex-vars)
2047
1a9461d0 2048;;; reftex-vars.el ends here