lisp/org-latex.el

   1 ;;; org-latex.el --- LaTeX exporter for org-mode
   2 ;;
   3 ;; Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
   4 ;;
   5 ;; Emacs Lisp Archive Entry
   6 ;; Filename: org-latex.el
   7 ;; Version: 6.30trans
   8 ;; Author: Bastien Guerry <bzg AT altern DOT org>
   9 ;; Maintainer: Carsten Dominik <carsten.dominik AT gmail DOT com>
  10 ;; Keywords: org, wp, tex
  11 ;; Description: Converts an org-mode buffer into LaTeX
  12
  13 ;; This file is part of GNU Emacs.
  14
  15 ;; GNU Emacs is free software: you can redistribute it and/or modify
  16 ;; it under the terms of the GNU General Public License as published by
  17 ;; the Free Software Foundation, either version 3 of the License, or
  18 ;; (at your option) any later version.
  19
  20 ;; GNU Emacs is distributed in the hope that it will be useful,
  21 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 ;; GNU General Public License for more details.
  24
  25 ;; You should have received a copy of the GNU General Public License
  26 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  27
  28 ;;; Commentary:
  29 ;;
  30 ;; This library implements a LaTeX exporter for org-mode.
  31 ;;
  32 ;; It is part of Org and will be autoloaded
  33 ;;
  34 ;; The interactive functions are similar to those of the HTML exporter:
  35 ;;
  36 ;; M-x `org-export-as-latex'
  37 ;; M-x `org-export-as-pdf'
  38 ;; M-x `org-export-as-pdf-and-open'
  39 ;; M-x `org-export-as-latex-batch'
  40 ;; M-x `org-export-as-latex-to-buffer'
  41 ;; M-x `org-export-region-as-latex'
  42 ;; M-x `org-replace-region-by-latex'
  43 ;;
  44 ;;; Code:
  45
  46 (eval-when-compile
  47   (require 'cl))
  48
  49 (require 'footnote)
  50 (require 'org)
  51 (require 'org-exp)
  52 (require 'org-macs)
  53
  54 ;;; Variables:
  55 (defvar org-export-latex-class nil)
  56 (defvar org-export-latex-header nil)
  57 (defvar org-export-latex-append-header nil)
  58 (defvar org-export-latex-options-plist nil)
  59 (defvar org-export-latex-todo-keywords-1 nil)
  60 (defvar org-export-latex-complex-heading-re nil)
  61 (defvar org-export-latex-not-done-keywords nil)
  62 (defvar org-export-latex-done-keywords nil)
  63 (defvar org-export-latex-display-custom-times nil)
  64 (defvar org-export-latex-all-targets-re nil)
  65 (defvar org-export-latex-add-level 0)
  66 (defvar org-export-latex-sectioning "")
  67 (defvar org-export-latex-sectioning-depth 0)
  68 (defvar org-export-latex-special-keyword-regexp
  69   (concat "\\<\\(" org-scheduled-string "\\|"
  70           org-deadline-string "\\|"
  71           org-closed-string"\\)")
  72   "Regexp matching special time planning keywords plus the time after it.")
  73
  74 (defvar latexp)    ; dynamically scoped from org.el
  75 (defvar re-quote)  ; dynamically scoped from org.el
  76 (defvar commentsp) ; dynamically scoped from org.el
  77
  78 ;;; User variables:
  79
  80 (defgroup org-export-latex nil
  81   "Options for exporting Org-mode files to LaTeX."
  82   :tag "Org Export LaTeX"
  83   :group 'org-export)
  84
  85 (defcustom org-export-latex-default-class "article"
  86   "The default LaTeX class."
  87   :group 'org-export-latex
  88   :type '(string :tag "LaTeX class"))
  89
  90 (defcustom org-export-latex-classes
  91   '(("article"
  92      "\\documentclass[11pt]{article}
  93 \\usepackage[utf8]{inputenc}
  94 \\usepackage[T1]{fontenc}
  95 \\usepackage{graphicx}
  96 \\usepackage{longtable}
  97 \\usepackage{soul}
  98 \\usepackage{hyperref}"
  99      ("\\section{%s}" . "\\section*{%s}")
 100      ("\\subsection{%s}" . "\\subsection*{%s}")
 101      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 102      ("\\paragraph{%s}" . "\\paragraph*{%s}")
 103      ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
 104     ("report"
 105      "\\documentclass[11pt]{report}
 106 \\usepackage[utf8]{inputenc}
 107 \\usepackage[T1]{fontenc}
 108 \\usepackage{graphicx}
 109 \\usepackage{longtable}
 110 \\usepackage{soul}
 111 \\usepackage{hyperref}"
 112      ("\\part{%s}" . "\\part*{%s}")
 113      ("\\chapter{%s}" . "\\chapter*{%s}")
 114      ("\\section{%s}" . "\\section*{%s}")
 115      ("\\subsection{%s}" . "\\subsection*{%s}")
 116      ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))
 117     ("book"
 118      "\\documentclass[11pt]{book}
 119 \\usepackage[utf8]{inputenc}
 120 \\usepackage[T1]{fontenc}
 121 \\usepackage{graphicx}
 122 \\usepackage{longtable}
 123 \\usepackage{soul}
 124 \\usepackage{hyperref}"
 125      ("\\part{%s}" . "\\part*{%s}")
 126      ("\\chapter{%s}" . "\\chapter*{%s}")
 127      ("\\section{%s}" . "\\section*{%s}")
 128      ("\\subsection{%s}" . "\\subsection*{%s}")
 129      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))
 130   "Alist of LaTeX classes and associated header and structure.
 131 If #+LaTeX_CLASS is set in the buffer, use its value and the
 132 associated information.  Here is the structure of each cell:
 133
 134   \(class-name
 135     header-string
 136     (numbered-section . unnumbered-section\)
 137     ...\)
 138
 139 A %s formatter is mandatory in each section string and will be
 140 replaced by the title of the section.
 141
 142 Instead of a cons cell (numbered . unnumbered), you can also provide a list
 143 of 2-4 elements,
 144
 145   (numbered-open numbered-close)
 146
 147 or
 148
 149   (numbered-open numbered-close unnumbered-open unnumbered-close)
 150
 151 providing opening and closing strings for an environment that should
 152 represent the document section.  The opening clause should have a %s
 153 to represent the section title."
 154   :group 'org-export-latex
 155   :type '(repeat
 156           (list (string :tag "LaTeX class")
 157                 (string :tag "LaTeX header")
 158                 (repeat :tag "Levels" :inline t
 159                         (choice
 160                          (cons :tag "Heading"
 161                                (string :tag "numbered")
 162                                (string :tag "unnumbered)"))
 163                          (list :tag "Environment"
 164                                (string :tag "Opening (numbered)  ")
 165                                (string :tag "Closing (numbered)  ")
 166                                (string :tag "Opening (unnumbered)")
 167                                (string :tag "Closing (unnumbered)")))))))
 168
 169 (defcustom org-export-latex-emphasis-alist
 170   '(("*" "\\textbf{%s}" nil)
 171     ("/" "\\emph{%s}" nil)
 172     ("_" "\\underline{%s}" nil)
 173     ("+" "\\st{%s}" nil)
 174     ("=" "\\verb" t)
 175     ("~" "\\verb" t))
 176   "Alist of LaTeX expressions to convert emphasis fontifiers.
 177 Each element of the list is a list of three elements.
 178 The first element is the character used as a marker for fontification.
 179 The second element is a formatting string to wrap fontified text with.
 180 If it is \"\\verb\", Org will automatically select a deimiter
 181 character that is not in the string.
 182 The third element decides whether to protect converted text from other
 183 conversions."
 184   :group 'org-export-latex
 185   :type 'alist)
 186
 187 (defcustom org-export-latex-title-command "\\maketitle"
 188   "The command used to insert the title just after \\begin{document}.
 189 If this string contains the formatting specification \"%s\" then
 190 it will be used as a formatting string, passing the title as an
 191 argument."
 192   :group 'org-export-latex
 193   :type 'string)
 194
 195 (defcustom org-export-latex-import-inbuffer-stuff nil
 196   "Non-nil means define TeX macros for Org's inbuffer definitions.
 197 For example \orgTITLE for #+TITLE."
 198   :group 'org-export-latex
 199   :type 'boolean)
 200
 201 (defcustom org-export-latex-date-format
 202   "%d %B %Y"
 203   "Format string for \\date{...}."
 204   :group 'org-export-latex
 205   :type 'string)
 206
 207 (defcustom org-export-latex-todo-keyword-markup "\\textbf{%s}"
 208   "Markup for TODO keywords, as a printf format.
 209 This can be a single format for all keywords, a cons cell with separate
 210 formats for not-done and done states, or an association list with setup
 211 for individual keywords.  If a keyword shows up for which there is no
 212 markup defined, the first one in the association list will be used."
 213   :group 'org-export-latex
 214   :type '(choice
 215           (string :tag "Default")
 216           (cons :tag "Distinguish undone and done"
 217                 (string :tag "Not-DONE states")
 218                 (string :tag "DONE states"))
 219           (repeat :tag "Per keyword markup"
 220                   (cons
 221                    (string :tag "Keyword")
 222                    (string :tag "Markup")))))
 223
 224 (defcustom org-export-latex-timestamp-markup "\\textit{%s}"
 225   "A printf format string to be applied to time stamps."
 226   :group 'org-export-latex
 227   :type 'string)
 228
 229 (defcustom org-export-latex-timestamp-keyword-markup "\\texttt{%s}"
 230   "A printf format string to be applied to time stamps."
 231   :group 'org-export-latex
 232   :type 'string)
 233
 234 (defcustom org-export-latex-tables-verbatim nil
 235   "When non-nil, tables are exported verbatim."
 236   :group 'org-export-latex
 237   :type 'boolean)
 238
 239 (defcustom org-export-latex-tables-centered t
 240   "When non-nil, tables are exported in a center environment."
 241   :group 'org-export-latex
 242   :type 'boolean)
 243
 244 (defcustom org-export-latex-tables-column-borders nil
 245   "When non-nil, grouping columns can cause outer vertical lines in tables.
 246 When nil, grouping causes only separation lines between groups."
 247   :group 'org-export-latex
 248   :type 'boolean)
 249
 250 (defcustom org-export-latex-packages-alist nil
 251   "Alist of packages to be inserted in the header.
 252 Each cell is of the format \( \"option\" . \"package\" \)."
 253   :group 'org-export-latex
 254   :type '(repeat
 255           (list
 256            (string :tag "option")
 257            (string :tag "package"))))
 258
 259 (defcustom org-export-latex-low-levels 'itemize
 260   "How to convert sections below the current level of sectioning.
 261 This is specified by the `org-export-headline-levels' option or the
 262 value of \"H:\" in Org's #+OPTION line.
 263
 264 This can be either nil (skip the sections), `description', `itemize',
 265 or `enumerate' (convert the sections as the corresponding list type), or
 266 a string to be used instead of \\section{%s}.  In this latter case,
 267 the %s stands here for the inserted headline and is mandatory.
 268
 269 It may also be a list of three string to define a user-defined environment
 270 that should be used.  The first string should be the like
 271 \"\\begin{itemize}\", the second should be like \"\\item %s %s\" with up
 272 to two occurrences of %s for the title and a lable, respectively.  The third
 273 string should be like \"\\end{itemize\"."
 274   :group 'org-export-latex
 275   :type '(choice (const :tag "Ignore" nil)
 276                  (const :tag "Convert as descriptive list" description)
 277                  (const :tag "Convert as itemized list" itemize)
 278                  (const :tag "Convert as enumerated list" enumerate)
 279                  (list  :tag "User-defined environment"
 280                         :value ("\\begin{itemize}" "\\end{itemize}" "\\item %s")
 281                         (string :tag "Start")
 282                         (string :tag "End")
 283                         (string :tag "item"))
 284                  (string :tag "Use a section string" :value "\\subparagraph{%s}")))
 285
 286 (defcustom org-export-latex-list-parameters
 287   '(:cbon "\\texttt{[X]}" :cboff "\\texttt{[ ]}")
 288   "Parameters for the LaTeX list exporter.
 289 These parameters will be passed on to `org-list-to-latex', which in turn
 290 will pass them (combined with the LaTeX default list parameters) to
 291 `org-list-to-generic'."
 292   :group 'org-export-latex
 293   :type 'plist)
 294
 295 (defcustom org-export-latex-verbatim-wrap
 296   '("\\begin{verbatim}\n" . "\\end{verbatim}\n")
 297   "Environment to be wrapped around a fixed-width section in LaTeX export.
 298 This is a cons with two strings, to be added before and after the
 299 fixed-with text.
 300
 301 Defaults to \\begin{verbatim} and \\end{verbatim}."
 302   :group 'org-export-translation
 303   :group 'org-export-latex
 304   :type '(cons (string :tag "Open")
 305                (string :tag "Close")))
 306
 307 (defcustom org-export-latex-listings nil
 308   "Non-nil means, export source code using the listings package.
 309 This package will fontify source code, possibly even with color.
 310 If you want to use this, you also need to make LaTeX use the
 311 listings package, and if you want to have color, the color
 312 package.  Just add these to `org-export-latex-packages-alist',
 313 for example using customize, or with something like
 314
 315   (require 'org-latex)
 316   (add-to-list 'org-export-latex-packages-alist '(\"\" \"listings\"))
 317   (add-to-list 'org-export-latex-packages-alist '(\"\" \"color\"))"
 318   :group 'org-export-latex
 319   :type 'boolean)
 320
 321 (defcustom org-export-latex-listings-langs
 322   '((emacs-lisp "Lisp") (lisp "Lisp")
 323     (c "C") (cc "C++")
 324     (fortran "fortran")
 325     (perl "Perl") (cperl "Perl") (python "Python") (ruby "Ruby")
 326     (html "HTML") (xml "XML")
 327     (tex "TeX") (latex "TeX")
 328     (shell-script "bash")
 329     (gnuplot "Gnuplot")
 330     (ocaml "Caml") (caml "Caml")
 331     (sql "SQL"))
 332   "Alist mapping languages to their listing language counterpart.
 333 The key is a symbol, the major mode symbol without the \"-mode\".
 334 The value is the string that should be inserted as the language parameter
 335 for the listings package.  If the mode name and the listings name are
 336 the same, the language does not need an entry in this list - but it does not
 337 hurt if it is present."
 338   :group 'org-export-latex
 339   :type '(repeat
 340           (list
 341            (symbol :tag "Major mode       ")
 342            (string :tag "Listings language"))))
 343
 344 (defcustom org-export-latex-remove-from-headlines
 345   '(:todo nil :priority nil :tags nil)
 346   "A plist of keywords to remove from headlines. OBSOLETE.
 347 Non-nil means remove this keyword type from the headline.
 348
 349 Don't remove the keys, just change their values.
 350
 351 Obsolete, this variable is no longer used.  Use the separate
 352 variables `org-export-with-todo-keywords', `org-export-with-priority',
 353 and `org-export-with-tags' instead."
 354   :type 'plist
 355   :group 'org-export-latex)
 356
 357 (defcustom org-export-latex-image-default-option "width=10em"
 358   "Default option for images."
 359   :group 'org-export-latex
 360   :type 'string)
 361
 362 (defcustom org-export-latex-inline-image-extensions
 363   '("pdf" "jpeg" "jpg" "png" "ps" "eps")
 364   "Extensions of image files that can be inlined into LaTeX.
 365 Note that the image extension *actually* allowed depend on the way the
 366 LaTeX file is processed.  When used with pdflatex, pdf, jpg and png images
 367 are OK.  When processing through dvi to Postscript, only ps and eps are
 368 allowed.  The default we use here encompasses both."
 369   :group 'org-export-latex
 370   :type '(repeat (string :tag "Extension")))
 371
 372 (defcustom org-export-latex-coding-system nil
 373   "Coding system for the exported LaTex file."
 374   :group 'org-export-latex
 375   :type 'coding-system)
 376
 377 (defgroup org-export-pdf nil
 378   "Options for exporting Org-mode files to PDF, via LaTeX."
 379   :tag "Org Export LaTeX"
 380   :group 'org-export-latex
 381   :group 'org-export)
 382
 383 (defcustom org-latex-to-pdf-process
 384   '("pdflatex -interaction nonstopmode %s"
 385     "pdflatex -interaction nonstopmode %s")
 386   "Commands to process a LaTeX file to a PDF file.
 387 This is a list of strings, each of them will be given to the shell
 388 as a command.  %s in the command will be replaced by the full file name, %b
 389 by the file base name (i.e. without extension).
 390 The reason why this is a list is that it usually takes several runs of
 391 pdflatex, maybe mixed with a call to bibtex.  Org does not have a clever
 392 mechanism to detect whihc of these commands have to be run to get to a stable
 393 result, and it also does not do any error checking.
 394
 395 Alternatively, this may be a Lisp function that does the processing, so you
 396 could use this to apply the machinery of AUCTeX or the Emacs LaTeX mode.
 397 THis function should accept the file name as its single argument."
 398   :group 'org-export-latex
 399   :type '(choice (repeat :tag "Shell command sequence"
 400                   (string :tag "Shell command"))
 401                  (function)))
 402
 403 (defcustom org-export-pdf-remove-logfiles t
 404   "Non-nil means, remove the logfiles produced by PDF production.
 405 These are the .aux, .log, .out, and .toc files."
 406   :group 'org-export-pdf
 407   :type 'boolean)
 408
 409 ;;; Hooks
 410
 411 (defvar org-export-latex-after-blockquotes-hook nil
 412   "Hook run during LaTeX export, after blockquote, verse, center are done.")
 413
 414 (defvar org-export-latex-final-hook nil
 415   "Hook run in the finalized LaTeX buffer.")
 416
 417 ;;; Autoload functions:
 418
 419 ;;;###autoload
 420 (defun org-export-as-latex-batch ()
 421   "Call `org-export-as-latex', may be used in batch processing.
 422 For example:
 423
 424 emacs   --batch
 425         --load=$HOME/lib/emacs/org.el
 426         --eval \"(setq org-export-headline-levels 2)\"
 427         --visit=MyFile --funcall org-export-as-latex-batch"
 428   (org-export-as-latex org-export-headline-levels 'hidden))
 429
 430 ;;;###autoload
 431 (defun org-export-as-latex-to-buffer (arg)
 432   "Call `org-export-as-latex` with output to a temporary buffer.
 433 No file is created.  The prefix ARG is passed through to `org-export-as-latex'."
 434   (interactive "P")
 435   (org-export-as-latex arg nil nil "*Org LaTeX Export*")
 436   (when org-export-show-temporary-export-buffer
 437     (switch-to-buffer-other-window "*Org LaTeX Export*")))
 438
 439 ;;;###autoload
 440 (defun org-replace-region-by-latex (beg end)
 441   "Replace the region from BEG to END with its LaTeX export.
 442 It assumes the region has `org-mode' syntax, and then convert it to
 443 LaTeX.  This can be used in any buffer.  For example, you could
 444 write an itemized list in `org-mode' syntax in an LaTeX buffer and
 445 then use this command to convert it."
 446   (interactive "r")
 447   (let (reg latex buf)
 448     (save-window-excursion
 449       (if (org-mode-p)
 450           (setq latex (org-export-region-as-latex
 451                        beg end t 'string))
 452         (setq reg (buffer-substring beg end)
 453               buf (get-buffer-create "*Org tmp*"))
 454         (save-excursion
 455           (set-buffer buf)
 456           (erase-buffer)
 457           (insert reg)
 458           (org-mode)
 459           (setq latex (org-export-region-as-latex
 460                        (point-min) (point-max) t 'string)))
 461         (kill-buffer buf)))
 462     (delete-region beg end)
 463     (insert latex)))
 464
 465 ;;;###autoload
 466 (defun org-export-region-as-latex (beg end &optional body-only buffer)
 467   "Convert region from BEG to END in `org-mode' buffer to LaTeX.
 468 If prefix arg BODY-ONLY is set, omit file header, footer, and table of
 469 contents, and only produce the region of converted text, useful for
 470 cut-and-paste operations.
 471 If BUFFER is a buffer or a string, use/create that buffer as a target
 472 of the converted LaTeX.  If BUFFER is the symbol `string', return the
 473 produced LaTeX as a string and leave no buffer behind.  For example,
 474 a Lisp program could call this function in the following way:
 475
 476   (setq latex (org-export-region-as-latex beg end t 'string))
 477
 478 When called interactively, the output buffer is selected, and shown
 479 in a window.  A non-interactive call will only return the buffer."
 480   (interactive "r\nP")
 481   (when (interactive-p)
 482     (setq buffer "*Org LaTeX Export*"))
 483   (let ((transient-mark-mode t) (zmacs-regions t)
 484         ext-plist rtn)
 485     (setq ext-plist (plist-put ext-plist :ignore-subree-p t))
 486     (goto-char end)
 487     (set-mark (point)) ;; to activate the region
 488     (goto-char beg)
 489     (setq rtn (org-export-as-latex
 490                nil nil ext-plist
 491                buffer body-only))
 492     (if (fboundp 'deactivate-mark) (deactivate-mark))
 493     (if (and (interactive-p) (bufferp rtn))
 494         (switch-to-buffer-other-window rtn)
 495       rtn)))
 496
 497 ;;;###autoload
 498 (defun org-export-as-latex (arg &optional hidden ext-plist
 499                                 to-buffer body-only pub-dir)
 500   "Export current buffer to a LaTeX file.
 501 If there is an active region, export only the region.  The prefix
 502 ARG specifies how many levels of the outline should become
 503 headlines.  The default is 3.  Lower levels will be exported
 504 depending on `org-export-latex-low-levels'.  The default is to
 505 convert them as description lists.
 506 HIDDEN is obsolete and does nothing.
 507 EXT-PLIST is a property list with
 508 external parameters overriding org-mode's default settings, but
 509 still inferior to file-local settings.  When TO-BUFFER is
 510 non-nil, create a buffer with that name and export to that
 511 buffer.  If TO-BUFFER is the symbol `string', don't leave any
 512 buffer behind but just return the resulting LaTeX as a string.
 513 When BODY-ONLY is set, don't produce the file header and footer,
 514 simply return the content of \begin{document}...\end{document},
 515 without even the \begin{document} and \end{document} commands.
 516 when PUB-DIR is set, use this as the publishing directory."
 517   (interactive "P")
 518   ;; Make sure we have a file name when we need it.
 519   (when (and (not (or to-buffer body-only))
 520              (not buffer-file-name))
 521     (if (buffer-base-buffer)
 522         (org-set-local 'buffer-file-name
 523                        (with-current-buffer (buffer-base-buffer)
 524                          buffer-file-name))
 525       (error "Need a file name to be able to export")))
 526
 527   (message "Exporting to LaTeX...")
 528   (org-unmodified
 529    (remove-text-properties (point-min) (point-max)
 530                            '(:org-license-to-kill nil)))
 531   (org-update-radio-target-regexp)
 532   (org-export-latex-set-initial-vars ext-plist arg)
 533   (let* ((wcf (current-window-configuration))
 534          (opt-plist org-export-latex-options-plist)
 535          (region-p (org-region-active-p))
 536          (rbeg (and region-p (region-beginning)))
 537          (rend (and region-p (region-end)))
 538          (subtree-p
 539           (if (plist-get opt-plist :ignore-subree-p)
 540               nil
 541             (when region-p
 542               (save-excursion
 543                 (goto-char rbeg)
 544                 (and (org-at-heading-p)
 545                      (>= (org-end-of-subtree t t) rend))))))
 546          (opt-plist (setq org-export-opt-plist
 547                           (if subtree-p
 548                               (org-export-add-subtree-options opt-plist rbeg)
 549                             opt-plist)))
 550          ;; Make sure the variable contains the updated values.
 551          (org-export-latex-options-plist opt-plist)
 552          (title (or (and subtree-p (org-export-get-title-from-subtree))
 553                     (plist-get opt-plist :title)
 554                     (and (not
 555                           (plist-get opt-plist :skip-before-1st-heading))
 556                          (org-export-grab-title-from-buffer))
 557                     (file-name-sans-extension
 558                      (file-name-nondirectory buffer-file-name))))
 559          (filename (concat (file-name-as-directory
 560                             (or pub-dir
 561                                 (org-export-directory :LaTeX ext-plist)))
 562                            (file-name-sans-extension
 563                             (or (and subtree-p
 564                                      (org-entry-get rbeg "EXPORT_FILE_NAME" t))
 565                                 (file-name-nondirectory ;sans-extension
 566                                  buffer-file-name)))
 567                            ".tex"))
 568          (filename (if (equal (file-truename filename)
 569                               (file-truename buffer-file-name))
 570                        (concat filename ".tex")
 571                      filename))
 572          (buffer (if to-buffer
 573                      (cond
 574                       ((eq to-buffer 'string) (get-buffer-create
 575                                                "*Org LaTeX Export*"))
 576                       (t (get-buffer-create to-buffer)))
 577                    (find-file-noselect filename)))
 578          (odd org-odd-levels-only)
 579          (header (org-export-latex-make-header title opt-plist))
 580          (skip (cond (subtree-p nil)
 581                      (region-p nil)
 582                      (t (plist-get opt-plist :skip-before-1st-heading))))
 583          (text (plist-get opt-plist :text))
 584          (org-export-preprocess-hook
 585           (cons
 586            `(lambda () (org-set-local 'org-complex-heading-regexp
 587                                       ,org-export-latex-complex-heading-re))
 588            org-export-preprocess-hook))
 589          (first-lines (if skip "" (org-export-latex-first-lines
 590                                    opt-plist
 591                                    (if subtree-p
 592                                        (save-excursion
 593                                          (goto-char rbeg)
 594                                          (point-at-bol 2))
 595                                      rbeg)
 596                                    (if region-p rend))))
 597          (coding-system (and (boundp 'buffer-file-coding-system)
 598                              buffer-file-coding-system))
 599          (coding-system-for-write (or org-export-latex-coding-system
 600                                       coding-system))
 601          (save-buffer-coding-system (or org-export-latex-coding-system
 602                                         coding-system))
 603          (region (buffer-substring
 604                   (if region-p (region-beginning) (point-min))
 605                   (if region-p (region-end) (point-max))))
 606          (string-for-export
 607           (org-export-preprocess-string
 608            region
 609            :emph-multiline t
 610            :for-LaTeX t
 611            :comments nil
 612            :tags (plist-get opt-plist :tags)
 613            :priority (plist-get opt-plist :priority)
 614            :footnotes (plist-get opt-plist :footnotes)
 615            :timestamps (plist-get opt-plist :timestamps)
 616            :todo-keywords (plist-get opt-plist :todo-keywords)
 617            :add-text (if (eq to-buffer 'string) nil text)
 618            :skip-before-1st-heading skip
 619            :select-tags (plist-get opt-plist :select-tags)
 620            :exclude-tags (plist-get opt-plist :exclude-tags)
 621            :LaTeX-fragments nil)))
 622
 623     (set-buffer buffer)
 624     (erase-buffer)
 625     (org-install-letbind)
 626
 627     (and (fboundp 'set-buffer-file-coding-system)
 628          (set-buffer-file-coding-system coding-system-for-write))
 629
 630     ;; insert the header and initial document commands
 631     (unless (or (eq to-buffer 'string) body-only)
 632       (insert header))
 633
 634     ;; insert text found in #+TEXT
 635     (when (and text (not (eq to-buffer 'string)))
 636       (insert (org-export-latex-content
 637                text '(lists tables fixed-width keywords))
 638                "\n\n"))
 639
 640     ;; insert lines before the first headline
 641     (unless skip
 642       (insert first-lines))
 643
 644     ;; export the content of headlines
 645     (org-export-latex-global
 646      (with-temp-buffer
 647        (insert string-for-export)
 648        (goto-char (point-min))
 649        (when (re-search-forward "^\\(\\*+\\) " nil t)
 650          (let* ((asters (length (match-string 1)))
 651                 (level (if odd (- asters 2) (- asters 1))))
 652            (setq org-export-latex-add-level
 653                  (if odd (1- (/ (1+ asters) 2)) (1- asters)))
 654            (org-export-latex-parse-global level odd)))))
 655
 656     ;; finalization
 657     (unless body-only (insert "\n\\end{document}"))
 658
 659     ;; Relocate the table of contents
 660     (goto-char (point-min))
 661     (when (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 662       (goto-char (point-min))
 663       (while (re-search-forward "\\\\tableofcontents\\>[ \t]*\n?" nil t)
 664         (replace-match ""))
 665       (goto-char (point-min))
 666       (and (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 667            (replace-match "\\tableofcontents" t t)))
 668
 669     (run-hooks 'org-export-latex-final-hook)
 670     (or to-buffer (save-buffer))
 671     (goto-char (point-min))
 672     (or (org-export-push-to-kill-ring "LaTeX")
 673         (message "Exporting to LaTeX...done"))
 674     (prog1
 675         (if (eq to-buffer 'string)
 676             (prog1 (buffer-substring (point-min) (point-max))
 677               (kill-buffer (current-buffer)))
 678           (current-buffer))
 679       (set-window-configuration wcf))))
 680
 681 ;;;###autoload
 682 (defun org-export-as-pdf (arg &optional hidden ext-plist
 683                               to-buffer body-only pub-dir)
 684   "Export as LaTeX, then process through to PDF."
 685   (interactive "P")
 686   (message "Exporting to PDF...")
 687   (let* ((wconfig (current-window-configuration))
 688          (lbuf (org-export-as-latex arg hidden ext-plist
 689                                     to-buffer body-only pub-dir))
 690          (file (buffer-file-name lbuf))
 691          (base (file-name-sans-extension (buffer-file-name lbuf)))
 692          (pdffile (concat base ".pdf"))
 693          (cmds org-latex-to-pdf-process)
 694          (outbuf (get-buffer-create "*Org PDF LaTeX Output*"))
 695          (bibtex-p (with-current-buffer lbuf
 696                      (save-excursion
 697                        (goto-char (point-min))
 698                        (re-search-forward "\\\\bibliography{" nil t))))
 699          cmd)
 700     (with-current-buffer outbuf (erase-buffer))
 701     (and (file-exists-p pdffile) (delete-file pdffile))
 702     (message "Processing LaTeX file...")
 703     (if (and cmds (symbolp cmds))
 704         (funcall cmds file)
 705       (while cmds
 706         (setq cmd (pop cmds))
 707         (while (string-match "%b" cmd)
 708           (setq cmd (replace-match
 709                      (save-match-data
 710                        (shell-quote-argument base))
 711                      t t cmd)))
 712         (while (string-match "%s" cmd)
 713           (setq cmd (replace-match
 714                      (save-match-data
 715                        (shell-quote-argument file))
 716                      t t cmd)))
 717         (shell-command cmd outbuf outbuf)))
 718     (message "Processing LaTeX file...done")
 719     (if (not (file-exists-p pdffile))
 720         (error "PDF file was not produced")
 721       (set-window-configuration wconfig)
 722       (when org-export-pdf-remove-logfiles
 723         (dolist (ext '("aux" "log" "out" "toc"))
 724           (setq file (concat base "." ext))
 725           (and (file-exists-p file) (delete-file file))))
 726       (message "Exporting to PDF...done")
 727       pdffile)))
 728
 729 ;;;###autoload
 730 (defun org-export-as-pdf-and-open (arg)
 731   "Export as LaTeX, then process through to PDF, and open."
 732   (interactive "P")
 733   (let ((pdffile (org-export-as-pdf arg)))
 734     (if pdffile
 735         (org-open-file pdffile)
 736       (error "PDF file was not produced"))))
 737
 738 ;;; Parsing functions:
 739
 740 (defun org-export-latex-parse-global (level odd)
 741   "Parse the current buffer recursively, starting at LEVEL.
 742 If ODD is non-nil, assume the buffer only contains odd sections.
 743 Return a list reflecting the document structure."
 744   (save-excursion
 745     (goto-char (point-min))
 746     (let* ((cnt 0) output
 747            (depth org-export-latex-sectioning-depth))
 748       (while (re-search-forward
 749               (concat "^\\(\\(?:\\*\\)\\{"
 750                       (number-to-string (+ (if odd 2 1) level))
 751                       "\\}\\) \\(.*\\)$")
 752               ;; make sure that there is no upper heading
 753               (when (> level 0)
 754                 (save-excursion
 755                   (save-match-data
 756                     (re-search-forward
 757                      (concat "^\\(\\(?:\\*\\)\\{"
 758                              (number-to-string level)
 759                              "\\}\\) \\(.*\\)$") nil t)))) t)
 760         (setq cnt (1+ cnt))
 761         (let* ((pos (match-beginning 0))
 762                (heading (match-string 2))
 763                (nlevel (if odd (/ (+ 3 level) 2) (1+ level))))
 764           (save-excursion
 765             (narrow-to-region
 766              (point)
 767              (save-match-data
 768                (if (re-search-forward
 769                     (concat "^\\(\\(?:\\*\\)\\{"
 770                             (number-to-string (+ (if odd 2 1) level))
 771                             "\\}\\) \\(.*\\)$") nil t)
 772                    (match-beginning 0)
 773                  (point-max))))
 774             (goto-char (point-min))
 775             (setq output
 776                   (append output
 777                           (list
 778                            (list
 779                             `(pos . ,pos)
 780                             `(level . ,nlevel)
 781                             `(occur . ,cnt)
 782                             `(heading . ,heading)
 783                             `(content . ,(org-export-latex-parse-content))
 784                             `(subcontent . ,(org-export-latex-parse-subcontent
 785                                              level odd)))))))
 786           (widen)))
 787       (list output))))
 788
 789 (defun org-export-latex-parse-content ()
 790   "Extract the content of a section."
 791   (let ((beg (point))
 792         (end (if (re-search-forward "^\\(\\*\\)+ .*$" nil t)
 793                  (progn (beginning-of-line) (point))
 794                (point-max))))
 795     (buffer-substring beg end)))
 796
 797 (defun org-export-latex-parse-subcontent (level odd)
 798   "Extract the subcontent of a section at LEVEL.
 799 If ODD Is non-nil, assume subcontent only contains odd sections."
 800   (if (not (re-search-forward
 801             (concat "^\\(\\(?:\\*\\)\\{"
 802                     (number-to-string (+ (if odd 4 2) level))
 803                     "\\}\\) \\(.*\\)$")
 804             nil t))
 805       nil ; subcontent is nil
 806     (org-export-latex-parse-global (+ (if odd 2 1) level) odd)))
 807
 808 ;;; Rendering functions:
 809 (defun org-export-latex-global (content)
 810   "Export CONTENT to LaTeX.
 811 CONTENT is an element of the list produced by
 812 `org-export-latex-parse-global'."
 813   (if (eq (car content) 'subcontent)
 814       (mapc 'org-export-latex-sub (cdr content))
 815     (org-export-latex-sub (car content))))
 816
 817 (defun org-export-latex-sub (subcontent)
 818   "Export the list SUBCONTENT to LaTeX.
 819 SUBCONTENT is an alist containing information about the headline
 820 and its content."
 821   (let ((num (plist-get org-export-latex-options-plist :section-numbers)))
 822     (mapc (lambda(x) (org-export-latex-subcontent x num)) subcontent)))
 823
 824 (defun org-export-latex-subcontent (subcontent num)
 825   "Export each cell of SUBCONTENT to LaTeX.
 826 If NUM, export sections as numerical sections."
 827   (let* ((heading (org-export-latex-fontify-headline
 828                    (cdr (assoc 'heading subcontent))))
 829          (level (- (cdr (assoc 'level subcontent))
 830                    org-export-latex-add-level))
 831          (occur (number-to-string (cdr (assoc 'occur subcontent))))
 832          (content (cdr (assoc 'content subcontent)))
 833          (subcontent (cadr (assoc 'subcontent subcontent)))
 834          (label (org-get-text-property-any 0 'target heading))
 835          (label-list (cons label (cdr (assoc label
 836                                              org-export-target-aliases)))))
 837     (cond
 838      ;; Normal conversion
 839      ((<= level org-export-latex-sectioning-depth)
 840       (let* ((sec (nth (1- level) org-export-latex-sectioning))
 841              start end)
 842         (if (consp (cdr sec))
 843             (setq start (nth (if num 0 2) sec)
 844                   end (nth (if num 1 3) sec))
 845           (setq start (if num (car sec) (cdr sec))))
 846         (insert (format start heading) "\n")
 847         (when label
 848           (insert (mapconcat (lambda (l) (format "\\label{%s}" l))
 849                              label-list "\n") "\n"))
 850         (insert (org-export-latex-content content))
 851         (cond ((stringp subcontent) (insert subcontent))
 852               ((listp subcontent) (org-export-latex-sub subcontent)))
 853         (if end (insert end "\n"))))
 854      ;; At a level under the hl option: we can drop this subsection
 855      ((> level org-export-latex-sectioning-depth)
 856       (cond ((eq org-export-latex-low-levels 'description)
 857              (if (string-match "% ends low level$"
 858                                (buffer-substring (point-at-bol 0) (point)))
 859                  (delete-region (point-at-bol 0) (point))
 860                (insert "\\begin{description}\n"))
 861              (insert (format "\n\\item[%s]%s~\n\n"
 862                              heading
 863                              (if label (format "\\label{%s}" label) "")))
 864              (insert (org-export-latex-content content))
 865              (cond ((stringp subcontent) (insert subcontent))
 866                    ((listp subcontent) (org-export-latex-sub subcontent)))
 867              (insert "\\end{description} % ends low level\n"))
 868             ((memq org-export-latex-low-levels '(itemize enumerate))
 869              (if (string-match "% ends low level$"
 870                                (buffer-substring (point-at-bol 0) (point)))
 871                  (delete-region (point-at-bol 0) (point))
 872                (insert (format "\\begin{%s}\n"
 873                                (symbol-name org-export-latex-low-levels))))
 874              (insert (format "\n\\item %s\\\\\n%s\n"
 875                              heading
 876                              (if label (format "\\label{%s}" label) "")))
 877              (insert (org-export-latex-content content))
 878              (cond ((stringp subcontent) (insert subcontent))
 879                    ((listp subcontent) (org-export-latex-sub subcontent)))
 880              (insert (format "\\end{%s} %% ends low level\n"
 881                              (symbol-name org-export-latex-low-levels))))
 882
 883             ((listp org-export-latex-low-levels)
 884              (if (string-match "% ends low level$"
 885                                (buffer-substring (point-at-bol 0) (point)))
 886                  (delete-region (point-at-bol 0) (point))
 887                (insert (car org-export-latex-low-levels) "\n"))
 888              (insert (format (nth 2 org-export-latex-low-levels)
 889                              heading
 890                              (if label (format "\\label{%s}" label) "")))
 891              (insert (org-export-latex-content content))
 892              (cond ((stringp subcontent) (insert subcontent))
 893                    ((listp subcontent) (org-export-latex-sub subcontent)))
 894              (insert (nth 1 org-export-latex-low-levels)
 895                      " %% ends low level\n"))
 896
 897             ((stringp org-export-latex-low-levels)
 898              (insert (format org-export-latex-low-levels heading) "\n")
 899              (when label (insert (format "\\label{%s}\n" label)))
 900              (insert (org-export-latex-content content))
 901              (cond ((stringp subcontent) (insert subcontent))
 902                    ((listp subcontent) (org-export-latex-sub subcontent)))))))))
 903
 904 ;;; Exporting internals:
 905 (defun org-export-latex-set-initial-vars (ext-plist level)
 906   "Store org local variables required for LaTeX export.
 907 EXT-PLIST is an optional additional plist.
 908 LEVEL indicates the default depth for export."
 909   (setq org-export-latex-todo-keywords-1 org-todo-keywords-1
 910         org-export-latex-done-keywords org-done-keywords
 911         org-export-latex-not-done-keywords org-not-done-keywords
 912         org-export-latex-complex-heading-re org-complex-heading-regexp
 913         org-export-latex-display-custom-times org-display-custom-times
 914         org-export-latex-all-targets-re
 915         (org-make-target-link-regexp (org-all-targets))
 916         org-export-latex-options-plist
 917         (org-combine-plists (org-default-export-plist) ext-plist
 918                             (org-infile-export-plist))
 919         org-export-latex-class
 920         (or (and (org-region-active-p)
 921                  (save-excursion
 922                    (goto-char (region-beginning))
 923                    (and (looking-at org-complex-heading-regexp)
 924                         (org-entry-get nil "LaTeX_CLASS" 'selective))))
 925             (save-excursion
 926               (save-restriction
 927                 (widen)
 928                 (goto-char (point-min))
 929                 (and (re-search-forward "^#\\+LaTeX_CLASS:[ \t]*\\([a-zA-Z]+\\)" nil t)
 930                      (match-string 1))))
 931             (plist-get org-export-latex-options-plist :latex-class)
 932             org-export-latex-default-class)
 933         org-export-latex-class
 934         (or (car (assoc org-export-latex-class org-export-latex-classes))
 935             (error "No definition for class `%s' in `org-export-latex-classes'"
 936                    org-export-latex-class))
 937         org-export-latex-header
 938         (cadr (assoc org-export-latex-class org-export-latex-classes))
 939         org-export-latex-sectioning
 940         (cddr (assoc org-export-latex-class org-export-latex-classes))
 941         org-export-latex-sectioning-depth
 942         (or level
 943             (let ((hl-levels
 944                    (plist-get org-export-latex-options-plist :headline-levels))
 945                   (sec-depth (length org-export-latex-sectioning)))
 946               (if (> hl-levels sec-depth) sec-depth hl-levels)))))
 947
 948 (defun org-export-latex-make-header (title opt-plist)
 949   "Make the LaTeX header and return it as a string.
 950 TITLE is the current title from the buffer or region.
 951 OPT-PLIST is the options plist for current buffer."
 952   (let ((toc (plist-get opt-plist :table-of-contents))
 953         (author (plist-get opt-plist :author)))
 954     (concat
 955      (if (plist-get opt-plist :time-stamp-file)
 956          (format-time-string "%% Created %Y-%m-%d %a %H:%M\n"))
 957      ;; insert LaTeX custom header
 958      (org-export-apply-macros-in-string org-export-latex-header)
 959      "\n"
 960      ;; insert information on LaTeX packages
 961      (when org-export-latex-packages-alist
 962        (mapconcat (lambda(p)
 963                     (if (equal "" (car p))
 964                         (format "\\usepackage{%s}" (cadr p))
 965                       (format "\\usepackage[%s]{%s}"
 966                               (car p) (cadr p))))
 967                   org-export-latex-packages-alist "\n"))
 968      ;; insert additional commands in the header
 969      (org-export-apply-macros-in-string
 970       (plist-get opt-plist :latex-header-extra))
 971      (org-export-apply-macros-in-string org-export-latex-append-header)
 972      ;; insert the title
 973      (format
 974       "\n\n\\title{%s}\n"
 975       ;; convert the title
 976       (org-export-latex-content
 977        title '(lists tables fixed-width keywords)))
 978      ;; insert author info
 979      (if (plist-get opt-plist :author-info)
 980          (format "\\author{%s}\n"
 981                  (org-export-latex-fontify-headline (or author user-full-name)));????????????????????
 982        (format "%%\\author{%s}\n"
 983                (or author user-full-name)))
 984      ;; insert the date
 985      (format "\\date{%s}\n"
 986              (format-time-string
 987               (or (plist-get opt-plist :date)
 988                   org-export-latex-date-format)))
 989      ;; beginning of the document
 990      "\n\\begin{document}\n\n"
 991      ;; insert the title command
 992      (when (string-match "\\S-" title)
 993        (if (string-match "%s" org-export-latex-title-command)
 994            (format org-export-latex-title-command title)
 995          org-export-latex-title-command))
 996      "\n\n"
 997      ;; table of contents
 998      (when (and org-export-with-toc
 999                 (plist-get opt-plist :section-numbers))
1000        (cond ((numberp toc)
1001               (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
1002                       (min toc (plist-get opt-plist :headline-levels))))
1003              (toc (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
1004                           (plist-get opt-plist :headline-levels))))))))
1005
1006 (defun org-export-latex-first-lines (opt-plist &optional beg end)
1007   "Export the first lines before first headline.
1008 If BEG is non-nil, it is the beginning of the region.
1009 If END is non-nil, it is the end of the region."
1010   (save-excursion
1011     (goto-char (or beg (point-min)))
1012     (let* ((pt (point))
1013            (end (if (re-search-forward "^\\*+ " end t)
1014                     (goto-char (match-beginning 0))
1015                   (goto-char (or end (point-max))))))
1016       (prog1
1017           (org-export-latex-content
1018            (org-export-preprocess-string
1019             (buffer-substring pt end)
1020             :for-LaTeX t
1021             :emph-multiline t
1022             :add-text nil
1023             :comments nil
1024             :skip-before-1st-heading nil
1025             :LaTeX-fragments nil
1026             :timestamps (plist-get opt-plist :timestamps)
1027             :footnotes (plist-get opt-plist :footnotes)))
1028         (org-unmodified
1029          (add-text-properties pt (max pt (1- end))
1030                               '(:org-license-to-kill t)))))))
1031
1032 (defvar org-export-latex-header-defs nil
1033   "The header definitions that might be used in the LaTeX body.")
1034 (defvar org-export-latex-header-defs-re nil
1035   "The header definitions that might be used in the LaTeX body.")
1036
1037 (defun org-export-latex-content (content &optional exclude-list)
1038   "Convert CONTENT string to LaTeX.
1039 Don't perform conversions that are in EXCLUDE-LIST.  Recognized
1040 conversion types are: quotation-marks, emphasis, sub-superscript,
1041 links, keywords, lists, tables, fixed-width"
1042   (with-temp-buffer
1043    (insert content)
1044    (unless (memq 'timestamps exclude-list)
1045      (org-export-latex-time-stamps))
1046    (unless (memq 'quotation-marks exclude-list)
1047      (org-export-latex-quotation-marks))
1048    (unless (memq 'emphasis exclude-list)
1049      (when (plist-get org-export-latex-options-plist :emphasize)
1050        (org-export-latex-fontify)))
1051    (unless (memq 'sub-superscript exclude-list)
1052      (org-export-latex-special-chars
1053       (plist-get org-export-latex-options-plist :sub-superscript)))
1054    (unless (memq 'links exclude-list)
1055      (org-export-latex-links))
1056    (unless (memq 'keywords exclude-list)
1057      (org-export-latex-keywords))
1058    (unless (memq 'lists exclude-list)
1059      (org-export-latex-lists))
1060    (unless (memq 'tables exclude-list)
1061      (org-export-latex-tables
1062       (plist-get org-export-latex-options-plist :tables)))
1063    (unless (memq 'fixed-width exclude-list)
1064      (org-export-latex-fixed-width
1065       (plist-get org-export-latex-options-plist :fixed-width)))
1066    ;; return string
1067    (buffer-substring (point-min) (point-max))))
1068
1069 (defun org-export-latex-protect-string (s)
1070   "Add the org-protected property to string S."
1071   (add-text-properties 0 (length s) '(org-protected t) s) s)
1072
1073 (defun org-export-latex-protect-char-in-string (char-list string)
1074   "Add org-protected text-property to char from CHAR-LIST in STRING."
1075   (with-temp-buffer
1076     (save-match-data
1077       (insert string)
1078       (goto-char (point-min))
1079       (while (re-search-forward (regexp-opt char-list) nil t)
1080         (add-text-properties (match-beginning 0)
1081                              (match-end 0) '(org-protected t)))
1082       (buffer-string))))
1083
1084 (defun org-export-latex-keywords-maybe (&optional remove-list)
1085   "Maybe remove keywords depending on rules in REMOVE-LIST."
1086   (goto-char (point-min))
1087   (let ((re-todo (mapconcat 'identity org-export-latex-todo-keywords-1 "\\|"))
1088         (case-fold-search nil)
1089         (todo-markup org-export-latex-todo-keyword-markup)
1090         fmt)
1091     ;; convert TODO keywords
1092     (when (re-search-forward (concat "^\\(" re-todo "\\)") nil t)
1093       (if (plist-get remove-list :todo)
1094           (replace-match "")
1095         (setq fmt (cond
1096                    ((stringp todo-markup) todo-markup)
1097                    ((and (consp todo-markup) (stringp (car todo-markup)))
1098                     (if (member (match-string 1) org-export-latex-done-keywords)
1099                         (cdr todo-markup) (car todo-markup)))
1100                    (t (cdr (or (assoc (match-string 1) todo-markup)
1101                                (car todo-markup))))))
1102         (replace-match (format fmt (match-string 1)) t t)))
1103     ;; convert priority string
1104     (when (re-search-forward "\\[\\\\#.\\]" nil t)
1105       (if (plist-get remove-list :priority)
1106           (replace-match "")
1107         (replace-match (format "\\textbf{%s}" (match-string 0)) t t)))
1108     ;; convert tags
1109     (when (re-search-forward "\\(:[a-zA-Z0-9_@]+\\)+:" nil t)
1110       (if (or (not org-export-with-tags)
1111               (plist-get remove-list :tags))
1112           (replace-match "")
1113         (replace-match
1114          (org-export-latex-protect-string
1115           (format "\\textbf{%s}"
1116                   (save-match-data
1117                     (replace-regexp-in-string
1118                      "_" "\\\\_" (match-string 0)))))
1119          t t)))))
1120
1121 (defun org-export-latex-fontify-headline (string)
1122   "Fontify special words in STRING."
1123   (with-temp-buffer
1124     ;; FIXME: org-inside-LaTeX-fragment-p doesn't work when the $...$ is at
1125     ;; the beginning of the buffer - inserting "\n" is safe here though.
1126     (insert "\n" string)
1127     (goto-char (point-min))
1128     (when (plist-get org-export-latex-options-plist :emphasize)
1129       (org-export-latex-fontify))
1130     (org-export-latex-keywords-maybe)
1131     (org-export-latex-special-chars
1132      (plist-get org-export-latex-options-plist :sub-superscript))
1133     (org-export-latex-links)
1134     (org-trim (buffer-string))))
1135
1136 (defun org-export-latex-time-stamps ()
1137   "Format time stamps."
1138   (goto-char (point-min))
1139   (let ((org-display-custom-times org-export-latex-display-custom-times))
1140     (while (re-search-forward org-ts-regexp-both nil t)
1141       (org-if-unprotected-at (1- (point))
1142        (replace-match
1143         (org-export-latex-protect-string
1144          (format org-export-latex-timestamp-markup
1145                  (substring (org-translate-time (match-string 0)) 1 -1)))
1146         t t)))))
1147
1148 (defun org-export-latex-quotation-marks ()
1149   "Export quotation marks depending on language conventions."
1150   (let* ((lang (plist-get org-export-latex-options-plist :language))
1151          (quote-rpl (if (equal lang "fr")
1152                         '(("\\(\\s-\\)\"" "«~")
1153                           ("\\(\\S-\\)\"" "~»")
1154                           ("\\(\\s-\\)'" "`"))
1155                       '(("\\(\\s-\\|(\\)\"" "``")
1156                         ("\\(\\S-\\)\"" "''")
1157                         ("\\(\\s-\\|(\\)'" "`")))))
1158     (mapc (lambda(l) (goto-char (point-min))
1159             (while (re-search-forward (car l) nil t)
1160               (let ((rpl (concat (match-string 1) (cadr l))))
1161                 (org-export-latex-protect-string rpl)
1162                 (org-if-unprotected-1
1163                  (replace-match rpl t t))))) quote-rpl)))
1164
1165 (defun org-export-latex-special-chars (sub-superscript)
1166   "Export special characters to LaTeX.
1167 If SUB-SUPERSCRIPT is non-nil, convert \\ and ^.
1168 See the `org-export-latex.el' code for a complete conversion table."
1169   (goto-char (point-min))
1170   (mapc (lambda(c)
1171           (goto-char (point-min))
1172           (while (re-search-forward c nil t)
1173             ;; Put the point where to check for org-protected
1174             (unless (get-text-property (match-beginning 2) 'org-protected)
1175               (cond ((member (match-string 2) '("\\$" "$"))
1176                      (if (equal (match-string 2) "\\$")
1177                          nil
1178                        (replace-match "\\$" t t)))
1179                     ((member (match-string 2) '("&" "%" "#"))
1180                      (if (equal (match-string 1) "\\")
1181                          (replace-match (match-string 2) t t)
1182                        (replace-match (concat (match-string 1) "\\"
1183                                               (match-string 2)) t t)))
1184                     ((equal (match-string 2) "...")
1185                      (replace-match
1186                       (concat (match-string 1)
1187                               (org-export-latex-protect-string "\\ldots{}")) t t))
1188                     ((equal (match-string 2) "~")
1189                      (cond ((equal (match-string 1) "\\") nil)
1190                            ((eq 'org-link (get-text-property 0 'face (match-string 2)))
1191                             (replace-match (concat (match-string 1) "\\~") t t))
1192                            (t (replace-match
1193                                (org-export-latex-protect-string
1194                                 (concat (match-string 1) "\\~{}")) t t))))
1195                     ((member (match-string 2) '("{" "}"))
1196                      (unless (save-match-data (org-inside-latex-math-p))
1197                        (if (equal (match-string 1) "\\")
1198                            (replace-match (match-string 2) t t)
1199                          (replace-match (concat (match-string 1) "\\"
1200                                                 (match-string 2)) t t)))))
1201               (unless (save-match-data (org-inside-latex-math-p))
1202                 (cond ((equal (match-string 2) "\\")
1203                        (replace-match (or (save-match-data
1204                                             (org-export-latex-treat-backslash-char
1205                                              (match-string 1)
1206                                              (or (match-string 3) "")))
1207                                           "") t t))
1208                       ((member (match-string 2) '("_" "^"))
1209                        (replace-match (or (save-match-data
1210                                             (org-export-latex-treat-sub-super-char
1211                                              sub-superscript
1212                                              (match-string 2)
1213                                              (match-string 1)
1214                                              (match-string 3))) "") t t)
1215                        (backward-char 1)))))))
1216         '(;"^\\([^\n$]*?\\|^\\)\\(\\\\?\\$\\)\\([^\n$]*\\)$"
1217           "\\(\\(\\\\?\\$\\)\\)"
1218           "\\([a-za-z0-9]+\\|[ \t\n]\\|\\b\\|\\\\\\)\\(_\\|\\^\\)\\({[^{}]+}\\|[a-za-z0-9]+\\|[ \t\n]\\|[:punct:]\\|)\\|{[a-za-z0-9]+}\\|([a-za-z0-9]+)\\)"
1219           "\\(.\\|^\\)\\(\\\\\\)\\([ \t\n]\\|[a-zA-Z&#%{}\"]+\\)"
1220           "\\(.\\|^\\)\\(&\\)"
1221           "\\(.\\|^\\)\\(#\\)"
1222           "\\(.\\|^\\)\\(%\\)"
1223           "\\(.\\|^\\)\\({\\)"
1224           "\\(.\\|^\\)\\(}\\)"
1225           "\\(.\\|^\\)\\(~\\)"
1226           "\\(.\\|^\\)\\(\\.\\.\\.\\)"
1227           ;; (?\< . "\\textless{}")
1228           ;; (?\> . "\\textgreater{}")
1229           )))
1230
1231 (defun org-inside-latex-math-p ()
1232   (get-text-property (point) 'org-latex-math))
1233
1234 (defun org-export-latex-treat-sub-super-char
1235   (subsup char string-before string-after)
1236   "Convert the \"_\" and \"^\" characters to LaTeX.
1237 SUBSUP corresponds to the ^: option in the #+OPTIONS line.
1238 Convert CHAR depending on STRING-BEFORE and STRING-AFTER."
1239   (cond ((equal string-before "\\")
1240          (concat string-before char string-after))
1241         ((and (string-match "\\S-+" string-after))
1242          ;; this is part of a math formula
1243          (cond ((eq 'org-link (get-text-property 0 'face char))
1244                 (concat string-before "\\" char string-after))
1245                ((save-match-data (org-inside-latex-math-p))
1246                 (if subsup
1247                     (cond ((eq 1 (length string-after))
1248                            (concat string-before char string-after))
1249                           ((string-match "[({]?\\([^)}]+\\)[)}]?" string-after)
1250                            (format "%s%s{%s}" string-before char
1251                                    (match-string 1 string-after))))))
1252                ((and (> (length string-after) 1)
1253                      (or (eq subsup t)
1254                          (and (equal subsup '{}) (eq (string-to-char string-after) ?\{)))
1255                      (string-match "[({]?\\([^)}]+\\)[)}]?" string-after))
1256                 (org-export-latex-protect-string
1257                  (format "%s$%s{%s}$" string-before char
1258                          (if (and (> (match-end 1) (1+ (match-beginning 1)))
1259                                   (not (equal (substring string-after 0 2) "{\\")))
1260                              (concat "\\mathrm{" (match-string 1 string-after) "}")
1261                            (match-string 1 string-after)))))
1262                ((eq subsup t) (concat string-before "$" char string-after "$"))
1263                (t (org-export-latex-protect-string
1264                    (concat string-before "\\" char "{}" string-after)))))
1265         (t (org-export-latex-protect-string
1266             (concat string-before "\\" char "{}" string-after)))))
1267
1268 (defun org-export-latex-treat-backslash-char (string-before string-after)
1269   "Convert the \"$\" special character to LaTeX.
1270 The conversion is made depending of STRING-BEFORE and STRING-AFTER."
1271   (cond ((member (list string-after) org-html-entities)
1272          ;; backslash is part of a special entity (like "\alpha")
1273          (concat string-before "$\\"
1274                  (or (cdar (member (list string-after) org-html-entities))
1275                      string-after) "$"))
1276         ((and (not (string-match "^[ \n\t]" string-after))
1277               (not (string-match "[ \t]\\'\\|^" string-before)))
1278          ;; backslash is inside a word
1279          (org-export-latex-protect-string
1280           (concat string-before "\\textbackslash{}" string-after)))
1281         ((not (or (equal string-after "")
1282                   (string-match "^[ \t\n]" string-after)))
1283          ;; backslash might escape a character (like \#) or a user TeX
1284          ;; macro (like \setcounter)
1285          (org-export-latex-protect-string
1286           (concat string-before "\\" string-after)))
1287         ((and (string-match "^[ \t\n]" string-after)
1288               (string-match "[ \t\n]\\'" string-before))
1289          ;; backslash is alone, convert it to $\backslash$
1290          (org-export-latex-protect-string
1291           (concat string-before "\\textbackslash{}" string-after)))
1292         (t (org-export-latex-protect-string
1293             (concat string-before "\\textbackslash{}" string-after)))))
1294
1295 (defun org-export-latex-keywords ()
1296   "Convert special keywords to LaTeX."
1297   (goto-char (point-min))
1298   (while (re-search-forward org-export-latex-special-keyword-regexp nil t)
1299     (replace-match (format org-export-latex-timestamp-keyword-markup
1300                            (match-string 0)) t t)
1301     (save-excursion
1302       (beginning-of-line 1)
1303       (unless (looking-at ".*\\\\newline[ \t]*$")
1304         (end-of-line 1)
1305         (insert "\\newline")))))
1306
1307 (defun org-export-latex-fixed-width (opt)
1308   "When OPT is non-nil convert fixed-width sections to LaTeX."
1309   (goto-char (point-min))
1310   (while (re-search-forward "^[ \t]*:\\([ \t]\\|$\\)" nil t)
1311     (if opt
1312         (progn (goto-char (match-beginning 0))
1313                (insert "\\begin{verbatim}\n")
1314                (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1315                  (replace-match (concat (match-string 1)
1316                                         (match-string 2)) t t)
1317                  (forward-line))
1318                (insert "\\end{verbatim}\n\n"))
1319       (progn (goto-char (match-beginning 0))
1320              (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1321                (replace-match (concat "%" (match-string 1)
1322                                       (match-string 2)) t t)
1323                (forward-line))))))
1324
1325
1326 (defvar org-table-last-alignment) ; defined in org-table.el
1327 (defvar org-table-last-column-widths) ; defined in org-table.el
1328 (declare-function orgtbl-to-latex "org-table" (table params) t)
1329 (defun org-export-latex-tables (insert)
1330   "Convert tables to LaTeX and INSERT it."
1331   (goto-char (point-min))
1332   (while (re-search-forward "^\\([ \t]*\\)|" nil t)
1333     (org-table-align)
1334     (let* ((beg (org-table-begin))
1335            (end (org-table-end))
1336            (raw-table (buffer-substring beg end))
1337            (org-table-last-alignment (copy-sequence org-table-last-alignment))
1338            (org-table-last-column-widths (copy-sequence
1339                                           org-table-last-column-widths))
1340            fnum fields line lines olines gr colgropen line-fmt align
1341            caption label attr floatp longtblp)
1342       (if org-export-latex-tables-verbatim
1343           (let* ((tbl (concat "\\begin{verbatim}\n" raw-table
1344                               "\\end{verbatim}\n")))
1345             (apply 'delete-region (list beg end))
1346             (insert (org-export-latex-protect-string tbl)))
1347         (progn
1348           (setq caption (org-find-text-property-in-string
1349                          'org-caption raw-table)
1350                 attr (org-find-text-property-in-string
1351                       'org-attributes raw-table)
1352                 label (org-find-text-property-in-string
1353                        'org-label raw-table)
1354                 longtblp (and attr (stringp attr)
1355                               (string-match "\\<longtable\\>" attr))
1356                 align (and attr (stringp attr)
1357                            (string-match "\\<align=\\([^ \t\n\r,]+\\)" attr)
1358                            (match-string 1 attr))
1359                 floatp (or caption label))
1360           (setq lines (org-split-string raw-table "\n"))
1361           (apply 'delete-region (list beg end))
1362           (when org-export-table-remove-special-lines
1363             (setq lines (org-table-clean-before-export lines 'maybe-quoted)))
1364           (when org-table-clean-did-remove-column
1365               (pop org-table-last-alignment)
1366               (pop org-table-last-column-widths))
1367           ;; make a formatting string to reflect aligment
1368           (setq olines lines)
1369           (while (and (not line-fmt) (setq line (pop olines)))
1370             (unless (string-match "^[ \t]*|-" line)
1371               (setq fields (org-split-string line "[ \t]*|[ \t]*"))
1372               (setq fnum (make-vector (length fields) 0))
1373               (setq line-fmt
1374                     (mapconcat
1375                      (lambda (x)
1376                        (setq gr (pop org-table-colgroup-info))
1377                        (format "%s%%s%s"
1378                                (cond ((eq gr :start)
1379                                       (prog1 (if colgropen "|" "|")
1380                                         (setq colgropen t)))
1381                                      ((eq gr :startend)
1382                                       (prog1 (if colgropen "|" "|")
1383                                         (setq colgropen nil)))
1384                                      (t ""))
1385                                (if (memq gr '(:end :startend))
1386                                    (progn (setq colgropen nil) "|")
1387                                  "")))
1388                      fnum ""))))
1389           ;; fix double || in line-fmt
1390           (setq line-fmt (replace-regexp-in-string "||" "|" line-fmt))
1391           ;; maybe remove the first and last "|"
1392           (when (and (not org-export-latex-tables-column-borders)
1393                      (string-match "^\\(|\\)?\\(.+\\)|$" line-fmt))
1394             (setq line-fmt (match-string 2 line-fmt)))
1395           ;; format alignment
1396           (unless align
1397             (setq align (apply 'format
1398                                (cons line-fmt
1399                                      (mapcar (lambda (x) (if x "r" "l"))
1400                                              org-table-last-alignment)))))
1401           ;; prepare the table to send to orgtbl-to-latex
1402           (setq lines
1403                 (mapcar
1404                  (lambda(elem)
1405                    (or (and (string-match "[ \t]*|-+" elem) 'hline)
1406                        (org-split-string (org-trim elem) "|")))
1407                  lines))
1408           (when insert
1409             (insert (org-export-latex-protect-string
1410                      (concat
1411                       (if longtblp
1412                           (concat "\\begin{longtable}{" align "}\n")
1413                         (if floatp "\\begin{table}[htb]\n"))
1414                       (if (or floatp longtblp)
1415                           (format
1416                            "\\caption{%s%s}"
1417                            (if label (concat "\\\label{" label "}") "")
1418                            (or caption "")))
1419                       (if longtblp "\\\\\n" "\n")
1420                       (if (and org-export-latex-tables-centered (not longtblp))
1421                           "\\begin{center}\n")
1422                       (if (not longtblp) (concat "\\begin{tabular}{" align "}\n"))
1423                       (orgtbl-to-latex
1424                        lines
1425                        `(:tstart nil :tend nil
1426                                  :hlend ,(if longtblp
1427                                              (format "\\\\
1428 \\hline
1429 \\endhead
1430 \\hline\\multicolumn{%d}{r}{Continued on next page}\\
1431 \\endfoot
1432 \\endlastfoot" (length org-table-last-alignment))
1433                                            nil)))
1434                       (if (not longtblp) (concat "\n\\end{tabular}"))
1435                       (if longtblp "\n" (if org-export-latex-tables-centered
1436                                             "\n\\end{center}\n" "\n"))
1437                       (if longtblp
1438                           "\\end{longtable}"
1439                         (if floatp "\\end{table}"))))
1440                     "\n\n")))))))
1441
1442 (defun org-export-latex-fontify ()
1443   "Convert fontification to LaTeX."
1444   (goto-char (point-min))
1445   (while (re-search-forward org-emph-re nil t)
1446     ;; The match goes one char after the *string*
1447     (let ((emph (assoc (match-string 3)
1448                        org-export-latex-emphasis-alist))
1449           (beg (match-beginning 0))
1450           (end (match-end 0))
1451           rpl)
1452       (unless emph
1453         (message "`org-export-latex-emphasis-alist' has no entry for formatting triggered by \"%s\""
1454                  (match-string 3)))
1455       (unless (or (get-text-property (1- (point)) 'org-protected)
1456                   (save-excursion
1457                     (goto-char (match-beginning 1))
1458                     (save-match-data
1459                       (and (org-at-table-p)
1460                            (string-match
1461                             "[|\n]" (buffer-substring beg end))))))
1462         (setq rpl (concat (match-string 1)
1463                           (org-export-latex-emph-format (cadr emph)
1464                                                         (match-string 4))
1465                           (match-string 5)))
1466         (if (caddr emph)
1467             (setq rpl (org-export-latex-protect-string rpl)))
1468         (replace-match rpl t t)))
1469     (backward-char)))
1470
1471 (defvar org-export-latex-use-verb nil)
1472 (defun org-export-latex-emph-format (format string)
1473   "Format an emphasis string and handle the \\verb special case."
1474   (when (equal format "\\verb")
1475     (save-match-data
1476       (if org-export-latex-use-verb
1477           (let ((ll "~,./?;':\"|!@#%^&-_=+abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>()[]{}"))
1478             (catch 'exit
1479               (loop for i from 0 to (1- (length ll)) do
1480                     (if (not (string-match (regexp-quote (substring ll i (1+ i)))
1481                                            string))
1482                         (progn
1483                           (setq format (concat "\\verb" (substring ll i (1+ i))
1484                                                "%s" (substring ll i (1+ i))))
1485                           (throw 'exit nil))))))
1486         (let ((start 0)
1487               (trans '(("\\" . "\\textbackslash{}")
1488                        ("~" . "\\textasciitilde{}")
1489                        ("^" . "\\textasciicircum{}")))
1490               (rtn "") char)
1491           (while (string-match "[\\{}$%&_#~^]" string)
1492             (setq char (match-string 0 string))
1493             (if (> (match-beginning 0) 0)
1494                 (setq rtn (concat rtn (substring string
1495                                                  0 (match-beginning 0)))))
1496             (setq string (substring string (1+ (match-beginning 0))))
1497             (setq char (or (cdr (assoc char trans)) (concat "\\" char))
1498                   rtn (concat rtn char)))
1499           (setq string (concat rtn string) format "\\texttt{%s}")))))
1500   (setq string (org-export-latex-protect-string
1501                 (format format string))))
1502
1503 (defun org-export-latex-links ()
1504   ;; Make sure to use the LaTeX hyperref and graphicx package
1505   ;; or send some warnings.
1506   "Convert links to LaTeX."
1507   (goto-char (point-min))
1508   (while (re-search-forward org-bracket-link-analytic-regexp++ nil t)
1509     (org-if-unprotected
1510      (goto-char (match-beginning 0))
1511      (let* ((re-radio org-export-latex-all-targets-re)
1512             (remove (list (match-beginning 0) (match-end 0)))
1513             (raw-path (org-extract-attributes (match-string 3)))
1514             (full-raw-path (concat (match-string 1) raw-path))
1515             (desc (match-string 5))
1516             (type (or (match-string 2)
1517                       (if (or (file-name-absolute-p raw-path)
1518                               (string-match "^\\.\\.?/" raw-path))
1519                           "file")))
1520             (coderefp (equal type "coderef"))
1521             (caption (org-find-text-property-in-string 'org-caption raw-path))
1522             (attr (or (org-find-text-property-in-string 'org-attributes raw-path)
1523                       (plist-get org-export-latex-options-plist :latex-image-options)))
1524             (label (org-find-text-property-in-string 'org-label raw-path))
1525             (floatp (or label caption))
1526             imgp radiop
1527             ;; define the path of the link
1528             (path (cond
1529                    ((member type '("coderef"))
1530                     raw-path)
1531                    ((member type '("http" "https" "ftp"))
1532                     (concat type ":" raw-path))
1533                    ((and re-radio (string-match re-radio raw-path))
1534                     (setq radiop t))
1535                    ((equal type "mailto")
1536                     (concat type ":" raw-path))
1537                    ((equal type "file")
1538                     (if (and (org-file-image-p
1539                               (expand-file-name
1540                                raw-path)
1541                               org-export-latex-inline-image-extensions)
1542                              (or (get-text-property 0 'org-no-description
1543                                                     raw-path)
1544                                  (equal desc full-raw-path)))
1545                         (setq imgp t)
1546                       (progn (when (string-match "\\(.+\\)::.+" raw-path)
1547                                (setq raw-path (match-string 1 raw-path)))
1548                              (if (file-exists-p raw-path)
1549                                  (concat type "://" (expand-file-name raw-path))
1550                                (concat type "://" (org-export-directory
1551                                                    :LaTeX org-export-latex-options-plist)
1552                                        raw-path))))))))
1553        ;; process with link inserting
1554        (apply 'delete-region remove)
1555        (cond ((and imgp (plist-get org-export-latex-options-plist :inline-images))
1556               (insert
1557                (concat
1558                 (if floatp "\\begin{figure}[htb]\n\\centering\n")
1559                 (format "\\includegraphics[%s]{%s}\n"
1560                         attr
1561                         (if (file-name-absolute-p raw-path)
1562                             (expand-file-name raw-path)
1563                           raw-path))
1564                 (if floatp
1565                     (format "\\caption{%s%s}\n"
1566                             (if label (concat "\\label{" label "}") "")
1567                             (or caption "")))
1568                 (if floatp "\\end{figure}"))))
1569              (coderefp
1570               (insert (format
1571                        (org-export-get-coderef-format path desc)
1572                        (cdr (assoc path org-export-code-refs)))))
1573              (radiop (insert (format "\\hyperref[%s]{%s}"
1574                                      (org-solidify-link-text raw-path) desc)))
1575              ((not type)
1576               (insert (format "\\hyperref[%s]{%s}"
1577                               (org-remove-initial-hash
1578                                (org-solidify-link-text raw-path))
1579                               desc)))
1580              (path
1581               (when (org-at-table-p)
1582                 ;; There is a strange problem when we have a link in a table,
1583                 ;; ampersands then cause a problem.  I think this must be
1584                 ;; a LaTeX issue, but we here implement a work-around anyway.
1585                 (setq path (org-export-latex-protect-amp path)
1586                       desc (org-export-latex-protect-amp desc)))
1587               (insert (format "\\href{%s}{%s}" path desc)))
1588              (t (insert "\\texttt{" desc "}")))))))
1589
1590 (defun org-export-latex-protect-amp (s)
1591   (while (string-match "\\([^\\\\]\\)\\(&\\)" s)
1592     (setq s (replace-match (concat (match-string 1 s) "\\" (match-string 2 s))
1593                            t t s)))
1594   s)
1595
1596 (defun org-remove-initial-hash (s)
1597   (if (string-match "\\`#" s)
1598       (substring s 1)
1599     s))
1600 (defvar org-latex-entities)   ; defined below
1601 (defvar org-latex-entities-regexp)   ; defined below
1602 (defvar org-latex-entities-exceptions)   ; defined below
1603
1604 (defun org-export-latex-preprocess (parameters)
1605   "Clean stuff in the LaTeX export."
1606   ;; Preserve line breaks
1607   (goto-char (point-min))
1608   (while (re-search-forward "\\\\\\\\" nil t)
1609     (add-text-properties (match-beginning 0) (match-end 0)
1610                          '(org-protected t)))
1611
1612   ;; Preserve latex environments
1613   (goto-char (point-min))
1614   (while (re-search-forward "^[ \t]*\\\\begin{\\([a-zA-Z]+\\*?\\)}" nil t)
1615     (let* ((start (progn (beginning-of-line) (point)))
1616            (end (and (re-search-forward
1617                       (concat "^[ \t]*\\\\end{"
1618                               (regexp-quote (match-string 1))
1619                               "}") nil t)
1620                      (point-at-eol))))
1621       (if end
1622           (add-text-properties start end '(org-protected t))
1623         (goto-char (point-at-eol)))))
1624
1625   ;; Preserve math snippets
1626
1627   (let* ((matchers (plist-get org-format-latex-options :matchers))
1628          (re-list org-latex-regexps)
1629          beg end re e m n block off)
1630     ;; Check the different regular expressions
1631     (while (setq e (pop re-list))
1632       (setq m (car e) re (nth 1 e) n (nth 2 e)
1633             block (if (nth 3 e) "\n\n" ""))
1634       (setq off (if (member m '("$" "$1")) 1 0))
1635       (when (and (member m matchers) (not (equal m "begin")))
1636         (goto-char (point-min))
1637         (while (re-search-forward re nil t)
1638           (setq beg (+ (match-beginning 0) off) end (- (match-end 0) 0))
1639           (add-text-properties beg end '(org-protected t org-latex-math t))))))
1640
1641   ;; Convert LaTeX to \LaTeX{}
1642   (goto-char (point-min))
1643   (let ((case-fold-search nil))
1644     (while (re-search-forward "\\([^+_]\\)LaTeX" nil t)
1645       (org-if-unprotected
1646        (replace-match (org-export-latex-protect-string
1647                        (concat (match-string 1) "\\LaTeX{}")) t t))))
1648
1649   ;; Convert blockquotes
1650   (goto-char (point-min))
1651   (while (search-forward "ORG-BLOCKQUOTE-START" nil t)
1652     (org-replace-match-keep-properties "\\begin{quote}" t t))
1653   (goto-char (point-min))
1654   (while (search-forward "ORG-BLOCKQUOTE-END" nil t)
1655     (org-replace-match-keep-properties "\\end{quote}" t t))
1656
1657   ;; Convert verse
1658   (goto-char (point-min))
1659   (while (search-forward "ORG-VERSE-START" nil t)
1660     (org-replace-match-keep-properties "\\begin{verse}" t t)
1661     (beginning-of-line 2)
1662     (while (and (not (looking-at "[ \t]*ORG-VERSE-END.*")) (not (eobp)))
1663       (when (looking-at "\\([ \t]+\\)\\([^ \t\n]\\)")
1664         (goto-char (match-end 1))
1665         (org-replace-match-keep-properties
1666          (org-export-latex-protect-string
1667           (concat "\\hspace*{1cm}" (match-string 2))) t t)
1668         (beginning-of-line 1))
1669       (if (looking-at "[ \t]*$")
1670           (insert "\\vspace*{1em}")
1671         (unless (looking-at ".*?[^ \t\n].*?\\\\\\\\[ \t]*$")
1672           (end-of-line 1)
1673           (insert "\\\\")))
1674       (beginning-of-line 2))
1675     (and (looking-at "[ \t]*ORG-VERSE-END.*")
1676          (org-replace-match-keep-properties "\\end{verse}" t t)))
1677
1678   ;; Convert center
1679   (goto-char (point-min))
1680   (while (search-forward "ORG-CENTER-START" nil t)
1681     (org-replace-match-keep-properties "\\begin{center}" t t))
1682   (goto-char (point-min))
1683   (while (search-forward "ORG-CENTER-END" nil t)
1684     (org-replace-match-keep-properties "\\end{center}" t t))
1685
1686   (run-hooks 'org-export-latex-after-blockquotes-hook)
1687
1688   ;; Convert horizontal rules
1689   (goto-char (point-min))
1690   (while (re-search-forward "^----+.$" nil t)
1691     (org-if-unprotected
1692      (replace-match (org-export-latex-protect-string "\\hrule") t t)))
1693
1694   ;; Protect LaTeX commands like \command[...]{...} or \command{...}
1695   (let ((re (concat "\\\\[a-zA-Z]+\\(?:"
1696                     "\\[.*\\]"
1697                     "\\)?"
1698                     (org-create-multibrace-regexp "{" "}" 3))))
1699     (while (re-search-forward re nil t)
1700       (unless (save-excursion (goto-char (match-beginning 0))
1701                               (equal (char-after (point-at-bol)) ?#))
1702         (add-text-properties (match-beginning 0) (match-end 0)
1703                              '(org-protected t)))))
1704
1705   ;; Protect LaTeX entities
1706   (goto-char (point-min))
1707   (let (a)
1708     (while (re-search-forward org-latex-entities-regexp nil t)
1709       (if (setq a (assoc (match-string 0) org-latex-entities-exceptions))
1710           (replace-match (org-add-props (nth 1 a) nil 'org-protected t)
1711                          t t)
1712         (add-text-properties (match-beginning 0) (match-end 0)
1713                              '(org-protected t)))))
1714
1715   ;; Replace radio links
1716   (goto-char (point-min))
1717   (while (re-search-forward
1718           (concat "<<<?" org-export-latex-all-targets-re
1719                   ">>>?\\((INVISIBLE)\\)?") nil t)
1720     (org-if-unprotected
1721      (replace-match
1722       (org-export-latex-protect-string
1723        (format "\\label{%s}%s" (save-match-data (org-solidify-link-text
1724                                                  (match-string 1)))
1725                (if (match-string 2) "" (match-string 1)))) t t)))
1726
1727   ;; Delete @<...> constructs
1728   ;; Thanks to Daniel Clemente for this regexp
1729   (goto-char (point-min))
1730   (while (re-search-forward "@<\\(?:[^\"\n]\\|\".*\"\\)*?>" nil t)
1731     (org-if-unprotected
1732      (replace-match "")))
1733
1734   ;; When converting to LaTeX, replace footnotes
1735   ;; FIXME: don't protect footnotes from conversion
1736   (when (plist-get org-export-latex-options-plist :footnotes)
1737     (goto-char (point-min))
1738     (while (re-search-forward "\\[\\([0-9]+\\)\\]" nil t)
1739       (org-if-unprotected
1740        (when (save-match-data
1741                (save-excursion (beginning-of-line)
1742                                (looking-at "[^:|#]")))
1743          (let ((foot-beg (match-beginning 0))
1744                (foot-end (match-end 0))
1745                (foot-prefix (match-string 0))
1746                footnote footnote-rpl)
1747            (save-excursion
1748              (if (not (re-search-forward (concat "^" (regexp-quote foot-prefix))
1749                                          nil t))
1750                  (replace-match "$^{\\1}$")
1751                (replace-match "")
1752                (let ((end (save-excursion
1753                             (if (re-search-forward "^$\\|^#.*$\\|\\[[0-9]+\\]" nil t)
1754                                 (match-beginning 0) (point-max)))))
1755                  (setq footnote (concat (org-trim (buffer-substring (point) end))
1756                                         " ")) ; prevent last } being part of a link
1757                  (delete-region (point) end))
1758                (goto-char foot-beg)
1759                (delete-region foot-beg foot-end)
1760                (unless (null footnote)
1761                  (setq footnote-rpl (format "\\footnote{%s}" footnote))
1762                  (add-text-properties 0 10 '(org-protected t) footnote-rpl)
1763                  (add-text-properties (1- (length footnote-rpl))
1764                                       (length footnote-rpl)
1765                                       '(org-protected t) footnote-rpl)
1766                  (insert footnote-rpl)))
1767              )))))
1768
1769     ;; Remove footnote section tag for LaTeX
1770     (goto-char (point-min))
1771     (while (re-search-forward
1772             (concat "^" footnote-section-tag-regexp) nil t)
1773       (org-if-unprotected
1774        (replace-match "")))))
1775
1776 ;;; List handling:
1777
1778 (defun org-export-latex-lists ()
1779   "Convert plain text lists in current buffer into LaTeX lists."
1780   (goto-char (point-min))
1781   (while (re-search-forward org-list-beginning-re nil t)
1782     (org-if-unprotected
1783      (beginning-of-line)
1784      (insert (org-list-to-latex (org-list-parse-list t)
1785                                 org-export-latex-list-parameters))
1786      "\n")))
1787
1788 (defconst org-latex-entities
1789  '("\\!"
1790    "\\'"
1791    "\\+"
1792    "\\,"
1793    "\\-"
1794    "\\:"
1795    "\\;"
1796    "\\<"
1797    "\\="
1798    "\\>"
1799    "\\Huge"
1800    "\\LARGE"
1801    "\\Large"
1802    "\\Styles"
1803    "\\\\"
1804    "\\`"
1805    "\\addcontentsline"
1806    "\\address"
1807    "\\addtocontents"
1808    "\\addtocounter"
1809    "\\addtolength"
1810    "\\addvspace"
1811    "\\alph"
1812    "\\appendix"
1813    "\\arabic"
1814    "\\author"
1815    "\\begin{array}"
1816    "\\begin{center}"
1817    "\\begin{description}"
1818    "\\begin{enumerate}"
1819    "\\begin{eqnarray}"
1820    "\\begin{equation}"
1821    "\\begin{figure}"
1822    "\\begin{flushleft}"
1823    "\\begin{flushright}"
1824    "\\begin{itemize}"
1825    "\\begin{list}"
1826    "\\begin{minipage}"
1827    "\\begin{picture}"
1828    "\\begin{quotation}"
1829    "\\begin{quote}"
1830    "\\begin{tabbing}"
1831    "\\begin{table}"
1832    "\\begin{tabular}"
1833    "\\begin{thebibliography}"
1834    "\\begin{theorem}"
1835    "\\begin{titlepage}"
1836    "\\begin{verbatim}"
1837    "\\begin{verse}"
1838    "\\bf"
1839    "\\bf"
1840    "\\bibitem"
1841    "\\bigskip"
1842    "\\cdots"
1843    "\\centering"
1844    "\\circle"
1845    "\\cite"
1846    "\\cleardoublepage"
1847    "\\clearpage"
1848    "\\cline"
1849    "\\closing"
1850    "\\dashbox"
1851    "\\date"
1852    "\\ddots"
1853    "\\dotfill"
1854    "\\em"
1855    "\\fbox"
1856    "\\flushbottom"
1857    "\\fnsymbol"
1858    "\\footnote"
1859    "\\footnotemark"
1860    "\\footnotesize"
1861    "\\footnotetext"
1862    "\\frac"
1863    "\\frame"
1864    "\\framebox"
1865    "\\hfill"
1866    "\\hline"
1867    "\\hrulespace"
1868    "\\hspace"
1869    "\\huge"
1870    "\\hyphenation"
1871    "\\include"
1872    "\\includeonly"
1873    "\\indent"
1874    "\\input"
1875    "\\it"
1876    "\\kill"
1877    "\\label"
1878    "\\large"
1879    "\\ldots"
1880    "\\line"
1881    "\\linebreak"
1882    "\\linethickness"
1883    "\\listoffigures"
1884    "\\listoftables"
1885    "\\location"
1886    "\\makebox"
1887    "\\maketitle"
1888    "\\mark"
1889    "\\mbox"
1890    "\\medskip"
1891    "\\multicolumn"
1892    "\\multiput"
1893    ("\\nbsp" "~")
1894    "\\newcommand"
1895    "\\newcounter"
1896    "\\newenvironment"
1897    "\\newfont"
1898    "\\newlength"
1899    "\\newline"
1900    "\\newpage"
1901    "\\newsavebox"
1902    "\\newtheorem"
1903    "\\nocite"
1904    "\\nofiles"
1905    "\\noindent"
1906    "\\nolinebreak"
1907    "\\nopagebreak"
1908    "\\normalsize"
1909    "\\onecolumn"
1910    "\\opening"
1911    "\\oval"
1912    "\\overbrace"
1913    "\\overline"
1914    "\\pagebreak"
1915    "\\pagenumbering"
1916    "\\pageref"
1917    "\\pagestyle"
1918    "\\par"
1919    "\\parbox"
1920    "\\put"
1921    "\\raggedbottom"
1922    "\\raggedleft"
1923    "\\raggedright"
1924    "\\raisebox"
1925    "\\ref"
1926    "\\rm"
1927    "\\roman"
1928    "\\rule"
1929    "\\savebox"
1930    "\\sc"
1931    "\\scriptsize"
1932    "\\setcounter"
1933    "\\setlength"
1934    "\\settowidth"
1935    "\\sf"
1936    "\\shortstack"
1937    "\\signature"
1938    "\\sl"
1939    "\\small"
1940    "\\smallskip"
1941    "\\sqrt"
1942    "\\tableofcontents"
1943    "\\telephone"
1944    "\\thanks"
1945    "\\thispagestyle"
1946    "\\tiny"
1947    "\\title"
1948    "\\tt"
1949    "\\twocolumn"
1950    "\\typein"
1951    "\\typeout"
1952    "\\underbrace"
1953    "\\underline"
1954    "\\usebox"
1955    "\\usecounter"
1956    "\\value"
1957    "\\vdots"
1958    "\\vector"
1959    "\\verb"
1960    "\\vfill"
1961    "\\vline"
1962    "\\vspace")
1963  "A list of LaTeX commands to be protected when performing conversion.")
1964
1965 (defvar org-latex-entities-exceptions nil)
1966
1967 (defconst org-latex-entities-regexp
1968   (let (names rest)
1969     (dolist (x org-latex-entities)
1970       (when (consp x)
1971         (add-to-list 'org-latex-entities-exceptions x)
1972         (setq x (car x)))
1973       (if (string-match "[a-z][A-Z]$" x)
1974           (push x names)
1975         (push x rest)))
1976     (concat "\\(" (regexp-opt (nreverse names)) "\\>\\)"
1977             "\\|\\(" (regexp-opt (nreverse rest)) "\\)")))
1978
1979 (provide 'org-export-latex)
1980 (provide 'org-latex)
1981
1982 ;; arch-tag: 23c2b87d-da04-4c2d-ad2d-1eb6487bc3ad
1983
1984 ;;; org-latex.el ends here