utils/ptexinfmt.el

   1 ;;; ptexinfmt.el -- portable Texinfo formatter.
   2
   3 ;; Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993,
   4 ;;               1994, 1995, 1996, 1997 Free Software Foundation, Inc.
   5 ;; Copyright (C) 1999 Yoshiki Hayashi <yoshiki@xemacs.org>
   6 ;; Copyright (C) 2000 TAKAHASHI Kaoru <kaoru@kaisei.org>
   7
   8 ;; Author: TAKAHASHI Kaoru <kaoru@kaisei.org>
   9 ;;      Yoshiki Hayashi <yoshiki@xemacs.org>
  10 ;;      Katsumi Yamaoka <yamaoka@jpl.org>
  11 ;; Maintainer: TAKAHASHI Kaoru <kaoru@kaisei.org>
  12 ;; Created: 7 Jul 2000
  13 ;; Keywords: maint, tex, docs, emulation, compatibility
  14
  15 ;; This program is free software; you can redistribute it and/or
  16 ;; modify it under the terms of the GNU General Public License as
  17 ;; published by the Free Software Foundation; either version 2, or (at
  18 ;; your option) any later version.
  19
  20 ;; This program is distributed in the hope that it will be useful, but
  21 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23 ;; 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; see the file COPYING.  If not, write to the
  27 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  28 ;; Boston, MA 02110-1301, USA.
  29
  30 ;;; Commentary:
  31
  32 ;; Original code: Yoshiki Hayashi <yoshiki@xemacs.org>
  33 ;;      makeinfo.el (gnujdoc project)
  34
  35 ;; Support texinfmt.el 2.32 or later.
  36
  37 ;; Modified by Yamaoka not to use APEL functions.
  38
  39 ;; Unimplemented command:
  40 ;;  @abbr{ABBREVIATION}
  41 ;;  @float ... @end float, @caption{TEXT}, @shortcaption{TEXT}, @listoffloats
  42 ;;  @deftypecv[x]
  43 ;;  @headitem
  44 ;;  @comma{}
  45 ;;  @quotation (optional arguments)
  46 ;;  @acronym{ACRONYM[, MEANING]} (optional argument)
  47 ;;  @dofirstparagraphindent
  48 ;;  @indent
  49 ;;  @verbatiminclude FILENAME
  50 ;;  @\
  51 ;;  @definfoenclose phoo,//,\\
  52 ;;  @deftypeivar CLASS DATA-TYPE VARIABLE-NAME
  53 ;;  @deftypeop CATEGORY CLASS DATA-TYPE NAME ARGUMENTS...
  54 ;;  @allowcodebreaks false
  55 ;;  @thischapternum
  56 ;;  @quotedblleft @quotedblright
  57 ;;  @quoteleft @quoteright  @quotedblbase @quotesinglbase
  58 ;;  @guillemetleft @guillemetright @guilsinglleft @guilsinglright.
  59 ;;  @clicksequence, @click, @clickstyle, @arrow
  60
  61 ;;; Code:
  62
  63 (require 'texinfmt)
  64
  65 ;;; Broken
  66 (defvar ptexinfmt-disable-broken-notice-flag t
  67   "If non-nil disable notice, when call `ptexinfmt-broken-facility'.
  68 This is last argument in `ptexinfmt-broken-facility'.")
  69
  70 (put 'ptexinfmt-broken-facility 'lisp-indent-function 'defun)
  71 (defmacro ptexinfmt-broken-facility (facility docstring assertion
  72                                               &optional dummy)
  73   "Declare a symbol FACILITY is broken if ASSERTION is nil.
  74 DOCSTRING will be printed if ASSERTION is nil and
  75 `ptexinfmt-disable-broken-notice-flag' is nil."
  76   `(let ((facility ',facility)
  77          (docstring ,docstring)
  78          (assertion (eval ',assertion)))
  79      (put facility 'broken (not assertion))
  80      (if assertion
  81          nil
  82        (put facility 'broken-docstring docstring)
  83        (if ptexinfmt-disable-broken-notice-flag
  84            nil
  85          (message "BROKEN FACILITY DETECTED: %s" docstring)))))
  86
  87 (put 'ptexinfmt-defun-if-broken 'lisp-indent-function 'defun)
  88 (defmacro ptexinfmt-defun-if-broken (&rest args)
  89   "Redefine a function just like `defun' if it is considered broken."
  90   (let ((name (list 'quote (car args))))
  91     (setq args (cdr args))
  92     `(prog1
  93          ,name
  94        (if (get ,name 'broken)
  95            (defalias ,name
  96              (function (lambda ,@args)))))))
  97
  98 (put 'ptexinfmt-defun-if-void 'lisp-indent-function 'defun)
  99 (defmacro ptexinfmt-defun-if-void (&rest args)
 100   "Define a function just like `defun' unless it is already defined."
 101   (let ((name (list 'quote (car args))))
 102     (setq args (cdr args))
 103     `(prog1
 104          ,name
 105        (if (fboundp ,name)
 106            nil
 107          (defalias ,name
 108            (function (lambda ,@args)))))))
 109
 110 (put 'ptexinfmt-defvar-if-void 'lisp-indent-function 'defun)
 111 (defmacro ptexinfmt-defvar-if-void (&rest args)
 112   "Define a variable just like `defvar' unless it is already defined."
 113   (let ((name (car args)))
 114     (setq args (cdr args))
 115     `(prog1
 116          (defvar ,name)
 117        (if (boundp ',name)
 118            nil
 119          (defvar ,name ,@args)))))
 120
 121 ;; sort -fd
 122 (ptexinfmt-broken-facility texinfo-format-printindex
 123   "Can't sort on Mule for Windows."
 124   (if (and (memq system-type '(windows-nt ms-dos))
 125 ;;; I don't know version threshold.
 126 ;;;        (string< texinfmt-version "2.37 of 24 May 1997")
 127            (boundp 'MULE) (not (featurep 'meadow))) ; Mule for Windows
 128       nil
 129     t))
 130
 131 ;; @var{METASYNTACTIC-VARIABLE}
 132 (ptexinfmt-broken-facility texinfo-format-var
 133   "Don't perse @var argument."
 134   (condition-case nil
 135       (with-temp-buffer
 136         (let (texinfo-enclosure-list texinfo-alias-list)
 137           (texinfo-mode)
 138           (insert "@var{@asis{foo}}\n")
 139           (texinfo-format-expand-region (point-min) (point-max))
 140           t))
 141     (error nil)))
 142
 143 ;; @xref{NODE-NAME[, CROSS-REFERENCE-NAME, TITLE-OR-TOPIC,
 144 ;;     INFO-FILE-NAME, PRINTED-MANUAL-TITLE]}.
 145 (ptexinfmt-broken-facility texinfo-format-xref
 146   "Can't format @xref, 1st argument is empty."
 147   (condition-case nil
 148       (with-temp-buffer
 149         (let (texinfo-enclosure-list texinfo-alias-list)
 150           (texinfo-mode)
 151           (insert "@xref{, xref, , file}\n")
 152           (texinfo-format-expand-region (point-min) (point-max))
 153           t))
 154     (error nil)))
 155
 156 ;; @uref{URL[, TEXT][, REPLACEMENT]}
 157 (ptexinfmt-broken-facility texinfo-format-uref
 158   "Parse twice @uref argument."
 159   (condition-case nil
 160       (with-temp-buffer
 161         (let (texinfo-enclosure-list texinfo-alias-list)
 162           (texinfo-mode)
 163           (insert "@uref{mailto:foo@@noncommand.example.com}\n")
 164           (texinfo-format-expand-region (point-min) (point-max))
 165           t))
 166     (error nil)))
 167
 168 ;; @multitable
 169 (ptexinfmt-broken-facility texinfo-multitable-widths
 170   "`texinfo-multitable-widths' unsupport wide-char."
 171   (if (fboundp 'texinfo-multitable-widths)
 172       (with-temp-buffer
 173         (let ((str "\e$BI}9-J8;z\e(B"))
 174           (texinfo-mode)
 175           (insert (format " {%s}\n" str))
 176           (goto-char (point-min))
 177           (if (= (car (texinfo-multitable-widths)) (length str))
 178               t
 179             nil)))
 180     ;; function definition is void
 181     nil))
 182
 183 (ptexinfmt-broken-facility texinfo-multitable-item
 184   "`texinfo-multitable-item' unsupport wide-char."
 185   (not (get 'texinfo-multitable-widths 'broken)))
 186
 187
 188 ;;; Hardcopy and HTML (discard)
 189 ;; html
 190 (put 'documentlanguage 'texinfo-format 'texinfo-discard-line-with-args)
 191 (put 'documentencoding 'texinfo-format 'texinfo-discard-line-with-args)
 192 (put 'documentdescription 'texinfo-format 'texinfo-discard-line-with-args)
 193
 194 ;; size
 195 (put 'smallbook 'texinfo-format 'texinfo-discard-line)
 196 (put 'letterpaper 'texinfo-format 'texinfo-discard-line)
 197 (put 'afourpaper 'texinfo-format 'texinfo-discard-line)
 198 (put 'afourlatex 'texinfo-format 'texinfo-discard-line)
 199 (put 'afourwide 'texinfo-format 'texinfo-discard-line)
 200 (put 'afivepaper 'texinfo-format 'texinfo-discard-line)
 201 (put 'pagesizes 'texinfo-format 'texinfo-discard-line-with-args)
 202 (put 'fonttextsize 'texinfo-format 'texinfo-discard-line-with-args)
 203
 204 ;; style
 205 (put 'setchapternewpage 'texinfo-format 'texinfo-discard-line-with-args)
 206 (put 'kbdinputstyle 'texinfo-format 'texinfo-discard-line-with-args)
 207
 208 ;; flags
 209 (put 'setcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
 210 (put 'setshortcontentsaftertitlepage 'texinfo-format 'texinfo-discard-line)
 211 (put 'novalidate 'texinfo-format 'texinfo-discard-line-with-args)
 212 (put 'frenchspacing 'texinfo-format 'texinfo-discard-line-with-args)
 213
 214 ;; head & foot
 215 (put 'headings 'texinfo-format 'texinfo-discard-line-with-args)
 216 (put 'evenfooting 'texinfo-format 'texinfo-discard-line-with-args)
 217 (put 'evenheading 'texinfo-format 'texinfo-discard-line-with-args)
 218 (put 'oddfooting 'texinfo-format 'texinfo-discard-line-with-args)
 219 (put 'oddheading 'texinfo-format 'texinfo-discard-line-with-args)
 220 (put 'everyfooting 'texinfo-format 'texinfo-discard-line-with-args)
 221 (put 'everyheading 'texinfo-format 'texinfo-discard-line-with-args)
 222
 223 ;; misc
 224 (put 'page 'texinfo-format 'texinfo-discard-line)
 225 (put 'hyphenation 'texinfo-format 'texinfo-discard-command-and-arg)
 226
 227 ;; @slanted{TEXT} (makeinfo 4.8 or later)
 228 (put 'slanted 'texinfo-format 'texinfo-format-noop)
 229
 230 ;; @sansserif{TEXT} (makeinfo 4.8 or later)
 231 (put 'sansserif 'texinfo-format 'texinfo-format-noop)
 232
 233 ;; @tie{} (makeinfo 4.3 or later)
 234 (put 'tie 'texinfo-format 'texinfo-format-tie)
 235 (ptexinfmt-defun-if-void texinfo-format-tie ()
 236   (texinfo-parse-arg-discard)
 237   (insert " "))
 238
 239 \f
 240 ;;; Directory File
 241 ;; @direcategory DIRPART
 242 (put 'dircategory 'texinfo-format 'texinfo-format-dircategory)
 243 (ptexinfmt-defun-if-void texinfo-format-dircategory ()
 244   (let ((str (texinfo-parse-arg-discard)))
 245     (delete-region (point)
 246                    (progn
 247                      (skip-chars-forward " ")
 248                      (point)))
 249     (insert "INFO-DIR-SECTION " str "\n")))
 250
 251 ;; @direntry ... @end direntry
 252 (put 'direntry 'texinfo-format 'texinfo-format-direntry)
 253 (ptexinfmt-defun-if-void texinfo-format-direntry ()
 254   (texinfo-push-stack 'direntry nil)
 255   (texinfo-discard-line)
 256   (insert "START-INFO-DIR-ENTRY\n"))
 257
 258 (put 'direntry 'texinfo-end 'texinfo-end-direntry)
 259 (ptexinfmt-defun-if-void texinfo-end-direntry ()
 260   (texinfo-discard-command)
 261   (insert "END-INFO-DIR-ENTRY\n\n")
 262   (texinfo-pop-stack 'direntry))
 263
 264
 265 ;;; Block Enclosing
 266 ;; @detailmenu ... @end detailmenu
 267 (put 'detailmenu 'texinfo-format 'texinfo-discard-line)
 268 (put 'detailmenu 'texinfo-end 'texinfo-discard-command)
 269
 270 ;; @smalldisplay ... @end smalldisplay
 271 (put 'smalldisplay 'texinfo-format 'texinfo-format-example)
 272 (put 'smalldisplay 'texinfo-end 'texinfo-end-example)
 273
 274 ;; @smallformat ... @end smallformat
 275 (put 'smallformat 'texinfo-format 'texinfo-format-flushleft)
 276 (put 'smallformat 'texinfo-end 'texinfo-end-flushleft)
 277
 278 ;; @cartouche  ... @end cartouche
 279 (put 'cartouche 'texinfo-format 'texinfo-discard-line)
 280 (put 'cartouche 'texinfo-end 'texinfo-discard-command)
 281
 282
 283 ;;; Conditional
 284 ;; @ifnottex ... @end ifnottex (makeinfo 3.11 or later)
 285 (put 'ifnottex 'texinfo-format 'texinfo-discard-line)
 286 (put 'ifnottex 'texinfo-end 'texinfo-discard-command)
 287
 288 ;; @ifnothtml ... @end ifnothtml (makeinfo 3.11 or later)
 289 (put 'ifnothtml 'texinfo-format 'texinfo-discard-line)
 290 (put 'ifnothtml 'texinfo-end 'texinfo-discard-command)
 291
 292 ;; @ifnotplaintext ... @end ifnotplaintext (makeinfo 4.2 or later)
 293 (put 'ifnotplaintext 'texinfo-format 'texinfo-discard-line)
 294 (put 'ifnotplaintext 'texinfo-end 'texinfo-discard-command)
 295
 296 ;; @ifnotdocbook ... @end ifnotdocbook (makeinfo 4.7 or later)
 297 (put 'ifnotdocbook 'texinfo-format 'texinfo-discard-line)
 298 (put 'ifnotdocbook 'texinfo-end 'texinfo-discard-command)
 299
 300 ;; @ifnotinfo ... @end ifnotinfo (makeinfo 3.11 or later)
 301 (put 'ifnotinfo 'texinfo-format 'texinfo-format-ifnotinfo)
 302 (ptexinfmt-defun-if-void texinfo-format-ifnotinfo ()
 303   (delete-region texinfo-command-start
 304                  (progn (re-search-forward "@end ifnotinfo[ \t]*\n")
 305                         (point))))
 306
 307 ;; @html ... @end html (makeinfo 3.11 or later)
 308 (put 'html 'texinfo-format 'texinfo-format-html)
 309 (ptexinfmt-defun-if-void texinfo-format-html ()
 310   (delete-region texinfo-command-start
 311                  (progn (re-search-forward "@end html[ \t]*\n")
 312                         (point))))
 313
 314 ;; @docbook ... @end docbook (makeinfo 4.7 or later)
 315 (put 'docbook 'texinfo-format 'texinfo-format-docbook)
 316 (ptexinfmt-defun-if-void texinfo-format-docbook ()
 317   (delete-region texinfo-command-start
 318                  (progn (re-search-forward "@end docbook[ \t]*\n")
 319                         (point))))
 320
 321 ;; @ifhtml ... @end ifhtml (makeinfo 3.8 or later)
 322 (put 'ifhtml 'texinfo-format 'texinfo-format-ifhtml)
 323 (defun texinfo-format-ifhtml ()
 324   (delete-region texinfo-command-start
 325                  (progn (re-search-forward "@end ifhtml[ \t]*\n")
 326                         (point))))
 327
 328 ;; @ifplaintext ... @end ifplaintext (makeinfo 4.2 or later)
 329 (put 'ifplaintext 'texinfo-format 'texinfo-format-ifplaintext)
 330 (ptexinfmt-defun-if-void texinfo-format-ifplaintext ()
 331   (delete-region texinfo-command-start
 332                  (progn (re-search-forward "@end ifplaintext[ \t]*\n")
 333                         (point))))
 334
 335 ;; @ifdocbook ... @end ifdocbook (makeinfo 4.7 or later)
 336 (put 'ifdocbook 'texinfo-format 'texinfo-format-ifdocbook)
 337 (ptexinfmt-defun-if-void texinfo-format-ifdocbook ()
 338   (delete-region texinfo-command-start
 339                  (progn (re-search-forward "@end ifdocbook[ \t]*\n")
 340                         (point))))
 341
 342 \f
 343 ;;; Marking
 344 ;; @env{ENVIRONMENT-VARIABLE}
 345 (put 'env 'texinfo-format 'texinfo-format-code)
 346
 347 ;; @command{COMMAND-NAME}
 348 (put 'command 'texinfo-format 'texinfo-format-code)
 349
 350 ;; @indicateurl{INDICATEURL}
 351 (put 'indicateurl 'texinfo-format 'texinfo-format-code)
 352
 353 ;; @url{URL[, DISPLAYED-TEXT][, REPLACEMENT}
 354 (put 'url 'texinfo-format 'texinfo-format-uref) ; Texinfo 4.7
 355
 356 ;; @acronym{ACRONYM}
 357 (put 'acronym 'texinfo-format 'texinfo-format-var)
 358
 359 ;; @var{METASYNTACTIC-VARIABLE}
 360 (ptexinfmt-defun-if-broken texinfo-format-var ()
 361   (let ((arg (texinfo-parse-expanded-arg)))
 362     (texinfo-discard-command)
 363     (insert (upcase arg))))
 364
 365 ;; @key{KEY-NAME}
 366 (put 'key 'texinfo-format 'texinfo-format-key)
 367 (ptexinfmt-defun-if-void texinfo-format-key ()
 368   (insert (texinfo-parse-arg-discard))
 369   (goto-char texinfo-command-start))
 370
 371 ;; @email{EMAIL-ADDRESS[, DISPLAYED-TEXT]}
 372 (put 'email 'texinfo-format 'texinfo-format-email)
 373 (ptexinfmt-defun-if-void texinfo-format-email ()
 374   "Format EMAIL-ADDRESS and optional DISPLAYED-TXT.
 375 Insert < ... > around EMAIL-ADDRESS."
 376   (let ((args (texinfo-format-parse-args)))
 377   (texinfo-discard-command)
 378     ;; if displayed-text
 379     (if (nth 1 args)
 380         (insert (nth 1 args) " <" (nth 0 args) ">")
 381       (insert "<" (nth 0 args) ">"))))
 382
 383 ;; @option{OPTION-NAME}
 384 (put 'option 'texinfo-format 'texinfo-format-option)
 385 (ptexinfmt-defun-if-void texinfo-format-option ()
 386   "Insert ` ... ' around arg unless inside a table; in that case, no quotes."
 387   ;; `looking-at-backward' not available in v. 18.57, 20.2
 388   ;; searched-for character is a control-H
 389   (if (not (search-backward "\010"
 390                             (save-excursion (beginning-of-line) (point))
 391                             t))
 392       (insert "`" (texinfo-parse-arg-discard) "'")
 393     (insert (texinfo-parse-arg-discard)))
 394   (goto-char texinfo-command-start))
 395
 396 ;; @verb{<char>TEXT<char>}  (makeinfo 4.1 or later)
 397 (put 'verb 'texinfo-format 'texinfo-format-verb)
 398 (ptexinfmt-defun-if-void texinfo-format-verb ()
 399   "Format text between non-quoted unique delimiter characters verbatim.
 400 Enclose the verbatim text, including the delimiters, in braces.  Print
 401 text exactly as written (but not the delimiters) in a fixed-width.
 402
 403 For example, @verb\{|@|\} results in @ and
 404 @verb\{+@'e?`!`+} results in @'e?`!`."
 405
 406   (let ((delimiter (buffer-substring-no-properties
 407                     (1+ texinfo-command-end) (+ 2 texinfo-command-end))))
 408     (unless (looking-at "{")
 409       (error "Not found: @verb start brace"))
 410     (delete-region texinfo-command-start (+ 2 texinfo-command-end))
 411     (search-forward  delimiter))
 412   (delete-backward-char 1)
 413   (unless (looking-at "}")
 414     (error "Not found: @verb end brace"))
 415   (delete-char 1))
 416
 417 \f
 418 ;; @LaTeX{}
 419 (put 'LaTeX 'texinfo-format 'texinfo-format-LaTeX)
 420 (ptexinfmt-defun-if-void texinfo-format-LaTeX ()
 421   (texinfo-parse-arg-discard)
 422   (insert "LaTeX"))
 423
 424 ;; @registeredsymbol{}
 425 (put 'registeredsymbol 'texinfo-format 'texinfo-format-registeredsymbol)
 426 (ptexinfmt-defun-if-void texinfo-format-registeredsymbol ()
 427   (texinfo-parse-arg-discard)
 428   (insert "(R)"))
 429
 430 ;;; Accents and Special characters
 431 ;; @euro{}      ==>     Euro
 432 (put 'euro 'texinfo-format 'texinfo-format-euro)
 433 (ptexinfmt-defun-if-void texinfo-format-euro ()
 434   (texinfo-parse-arg-discard)
 435   (insert "Euro "))
 436
 437 ;; @pounds{}    ==>     #       Pounds Sterling
 438 (put 'pounds 'texinfo-format 'texinfo-format-pounds)
 439 (ptexinfmt-defun-if-void texinfo-format-pounds ()
 440   (texinfo-parse-arg-discard)
 441   (insert "#"))
 442
 443 ;; @ordf{}      ==>     a       Spanish feminine
 444 (put 'ordf 'texinfo-format 'texinfo-format-ordf)
 445 (ptexinfmt-defun-if-void texinfo-format-ordf ()
 446   (texinfo-parse-arg-discard)
 447   (insert "a"))
 448
 449 ;; @ordm{}      ==>     o       Spanish masculine
 450 (put 'ordm 'texinfo-format 'texinfo-format-ordm)
 451 (ptexinfmt-defun-if-void texinfo-format-ordm ()
 452   (texinfo-parse-arg-discard)
 453   (insert "o"))
 454
 455 ;; @OE{}        ==>     OE      French-OE-ligature
 456 (put 'OE 'texinfo-format 'texinfo-format-French-OE-ligature)
 457 (ptexinfmt-defun-if-void texinfo-format-French-OE-ligature ()
 458   (insert "OE" (texinfo-parse-arg-discard))
 459   (goto-char texinfo-command-start))
 460
 461 ;; @oe{}        ==>     oe
 462 (put 'oe 'texinfo-format 'texinfo-format-French-oe-ligature)
 463 (ptexinfmt-defun-if-void texinfo-format-French-oe-ligature () ; lower case
 464   (insert "oe" (texinfo-parse-arg-discard))
 465   (goto-char texinfo-command-start))
 466
 467 ;; @AA{}        ==>     AA      Scandinavian-A-with-circle
 468 (put 'AA 'texinfo-format 'texinfo-format-Scandinavian-A-with-circle)
 469 (ptexinfmt-defun-if-void texinfo-format-Scandinavian-A-with-circle ()
 470   (insert "AA" (texinfo-parse-arg-discard))
 471   (goto-char texinfo-command-start))
 472
 473 ;; @aa{}        ==>     aa
 474 (put 'aa 'texinfo-format 'texinfo-format-Scandinavian-a-with-circle)
 475 (ptexinfmt-defun-if-void texinfo-format-Scandinavian-a-with-circle () ; lower case
 476   (insert "aa" (texinfo-parse-arg-discard))
 477   (goto-char texinfo-command-start))
 478
 479 ;; @AE{}        ==>     AE      Latin-Scandinavian-AE
 480 (put 'AE 'texinfo-format 'texinfo-format-Latin-Scandinavian-AE)
 481 (ptexinfmt-defun-if-void texinfo-format-Latin-Scandinavian-AE ()
 482   (insert "AE" (texinfo-parse-arg-discard))
 483   (goto-char texinfo-command-start))
 484
 485 ;; @ae{}        ==>     ae
 486 (put 'ae 'texinfo-format 'texinfo-format-Latin-Scandinavian-ae)
 487 (ptexinfmt-defun-if-void texinfo-format-Latin-Scandinavian-ae () ; lower case
 488   (insert "ae" (texinfo-parse-arg-discard))
 489   (goto-char texinfo-command-start))
 490
 491 ;; @ss{}        ==>     ss      German-sharp-S
 492 (put 'ss 'texinfo-format 'texinfo-format-German-sharp-S)
 493 (ptexinfmt-defun-if-void texinfo-format-German-sharp-S ()
 494   (insert "ss" (texinfo-parse-arg-discard))
 495   (goto-char texinfo-command-start))
 496
 497 ;; @questiondown{}      ==>     ?       upside-down-question-mark
 498 (put 'questiondown 'texinfo-format 'texinfo-format-upside-down-question-mark)
 499 (ptexinfmt-defun-if-void texinfo-format-upside-down-question-mark ()
 500   (insert "?" (texinfo-parse-arg-discard))
 501   (goto-char texinfo-command-start))
 502
 503 ;; @exclamdown{}        ==>     !       upside-down-exclamation-mark
 504 (put 'exclamdown 'texinfo-format 'texinfo-format-upside-down-exclamation-mark)
 505 (ptexinfmt-defun-if-void texinfo-format-upside-down-exclamation-mark ()
 506   (insert "!" (texinfo-parse-arg-discard))
 507   (goto-char texinfo-command-start))
 508
 509 ;; @L{}         ==>     L/      Polish suppressed-L (Lslash)
 510 (put 'L 'texinfo-format 'texinfo-format-Polish-suppressed-L)
 511 (ptexinfmt-defun-if-void texinfo-format-Polish-suppressed-L ()
 512   (insert (texinfo-parse-arg-discard) "/L")
 513   (goto-char texinfo-command-start))
 514
 515 ;; @l{}         ==>     l/      Polish suppressed-L (Lslash) (lower case)
 516 (put 'l 'texinfo-format 'texinfo-format-Polish-suppressed-l-lower-case)
 517 (ptexinfmt-defun-if-void texinfo-format-Polish-suppressed-l-lower-case ()
 518   (insert (texinfo-parse-arg-discard) "/l")
 519   (goto-char texinfo-command-start))
 520
 521 ;; @O{}         ==>     O/      Scandinavian O-with-slash
 522 (put 'O 'texinfo-format 'texinfo-format-Scandinavian-O-with-slash)
 523 (ptexinfmt-defun-if-void texinfo-format-Scandinavian-O-with-slash ()
 524   (insert (texinfo-parse-arg-discard) "O/")
 525   (goto-char texinfo-command-start))
 526
 527 ;; @o{}         ==>     o/      Scandinavian O-with-slash (lower case)
 528 (put 'o 'texinfo-format 'texinfo-format-Scandinavian-o-with-slash-lower-case)
 529 (ptexinfmt-defun-if-void texinfo-format-Scandinavian-o-with-slash-lower-case ()
 530   (insert (texinfo-parse-arg-discard) "o/")
 531   (goto-char texinfo-command-start))
 532
 533 ;; @,{c}        ==>     c,      cedilla accent
 534 (put '\, 'texinfo-format 'texinfo-format-cedilla-accent)
 535 (ptexinfmt-defun-if-void texinfo-format-cedilla-accent ()
 536   (insert (texinfo-parse-arg-discard) ",")
 537   (goto-char texinfo-command-start))
 538
 539
 540 ;; @dotaccent{o}        ==>     .o      overdot-accent
 541 (put 'dotaccent 'texinfo-format 'texinfo-format-overdot-accent)
 542 (ptexinfmt-defun-if-void texinfo-format-overdot-accent ()
 543   (insert "." (texinfo-parse-arg-discard))
 544   (goto-char texinfo-command-start))
 545
 546 ;; @ubaraccent{o}       ==>     _o      underbar-accent
 547 (put 'ubaraccent 'texinfo-format 'texinfo-format-underbar-accent)
 548 (ptexinfmt-defun-if-void texinfo-format-underbar-accent ()
 549   (insert "_" (texinfo-parse-arg-discard))
 550   (goto-char texinfo-command-start))
 551
 552 ;; @udotaccent{o}       ==>     o-.     underdot-accent
 553 (put 'udotaccent 'texinfo-format 'texinfo-format-underdot-accent)
 554 (ptexinfmt-defun-if-void texinfo-format-underdot-accent ()
 555   (insert (texinfo-parse-arg-discard) "-.")
 556   (goto-char texinfo-command-start))
 557
 558 ;; @H{o}        ==>     ""o     long Hungarian umlaut
 559 (put 'H 'texinfo-format 'texinfo-format-long-Hungarian-umlaut)
 560 (ptexinfmt-defun-if-void texinfo-format-long-Hungarian-umlaut ()
 561   (insert "\"\"" (texinfo-parse-arg-discard))
 562   (goto-char texinfo-command-start))
 563
 564 ;; @ringaccent{o}       ==>     *o      ring accent
 565 (put 'ringaccent 'texinfo-format 'texinfo-format-ring-accent)
 566 (ptexinfmt-defun-if-void texinfo-format-ring-accent ()
 567   (insert "*" (texinfo-parse-arg-discard))
 568   (goto-char texinfo-command-start))
 569
 570 ;; @tieaccent{oo}       ==>     [oo     tie after accent
 571 (put 'tieaccent 'texinfo-format 'texinfo-format-tie-after-accent)
 572 (ptexinfmt-defun-if-void texinfo-format-tie-after-accent ()
 573   (insert "[" (texinfo-parse-arg-discard))
 574   (goto-char texinfo-command-start))
 575
 576 ;; @u{o}        ==>     (o      breve accent
 577 (put 'u 'texinfo-format 'texinfo-format-breve-accent)
 578 (ptexinfmt-defun-if-void texinfo-format-breve-accent ()
 579   (insert "(" (texinfo-parse-arg-discard))
 580   (goto-char texinfo-command-start))
 581
 582 ;; @v{o}        ==>     <o      hacek accent
 583 (put 'v 'texinfo-format 'texinfo-format-hacek-accent)
 584 (ptexinfmt-defun-if-void texinfo-format-hacek-accent ()
 585   (insert "<" (texinfo-parse-arg-discard))
 586   (goto-char texinfo-command-start))
 587
 588 ;; @dotless{i}  ==>     i       dotless i and dotless j
 589 (put 'dotless 'texinfo-format 'texinfo-format-dotless)
 590 (ptexinfmt-defun-if-void texinfo-format-dotless ()
 591   (insert (texinfo-parse-arg-discard))
 592   (goto-char texinfo-command-start))
 593
 594 ;; @.
 595 (put '\. 'texinfo-format 'texinfo-format-\.)
 596 (ptexinfmt-defun-if-void texinfo-format-\. ()
 597   (texinfo-discard-command)
 598   (insert "."))
 599
 600 ;; @:
 601 (put '\: 'texinfo-format 'texinfo-format-\:)
 602 (ptexinfmt-defun-if-void texinfo-format-\: ()
 603   (texinfo-discard-command))
 604
 605 ;; @-
 606 (put '\- 'texinfo-format 'texinfo-format-soft-hyphen)
 607 (ptexinfmt-defun-if-void texinfo-format-soft-hyphen ()
 608   (texinfo-discard-command))
 609
 610 ;; @/
 611 (put '\/ 'texinfo-format 'texinfo-format-\/)
 612 (ptexinfmt-defun-if-void texinfo-format-\/ ()
 613   (texinfo-discard-command))
 614
 615 ;; @textdegree{}
 616 (put 'textdegree 'texinfo-format 'texinfo-format-textdegree)
 617 (ptexinfmt-defun-if-void texinfo-format-textdegree ()
 618   (insert "o" (texinfo-parse-arg-discard))
 619   (goto-char texinfo-command-start))
 620
 621 ;; @geq{}
 622 (put 'geq 'texinfo-format 'texinfo-format-geq)
 623 (ptexinfmt-defun-if-void texinfo-format-geq ()
 624   (insert ">=" (texinfo-parse-arg-discard))
 625   (goto-char texinfo-command-start))
 626
 627 ;; @leq{}
 628 (put 'leq 'texinfo-format 'texinfo-format-leq)
 629 (ptexinfmt-defun-if-void texinfo-format-leq ()
 630   (insert "<=" (texinfo-parse-arg-discard))
 631   (goto-char texinfo-command-start))
 632
 633 \f
 634 ;;; Cross References
 635 ;; @ref{NODE-NAME, ...}
 636 ;; @xref{NODE-NAME, ...}
 637 (put 'ref 'texinfo-format 'texinfo-format-xref)
 638
 639 (ptexinfmt-defun-if-broken texinfo-format-xref ()
 640   (let ((args (texinfo-format-parse-args)))
 641     (texinfo-discard-command)
 642     (insert "*Note ")
 643     (let ((fname (or (nth 1 args) (nth 2 args))))
 644       (if (null (or fname (nth 3 args)))
 645           (insert (nth 0 args) "::")
 646         (insert (or fname (nth 0 args)) ": ")
 647         (if (nth 3 args)
 648             (insert "(" (nth 3 args) ")"))
 649         (unless (null (nth 0 args))
 650           (insert (nth 0 args)))))))
 651
 652 ;; @uref{URL [,TEXT] [,REPLACEMENT]}
 653 (put 'uref 'texinfo-format 'texinfo-format-uref)
 654 (ptexinfmt-defun-if-broken texinfo-format-uref ()
 655   "Format URL and optional URL-TITLE.
 656 Insert ` ... ' around URL if no URL-TITLE argument;
 657 otherwise, insert URL-TITLE followed by URL in parentheses."
 658   (let ((args (texinfo-format-parse-args)))
 659     (texinfo-discard-command)
 660     ;; if url-title
 661     (if (nth 1 args)
 662         (insert  (nth 1 args) " (" (nth 0 args) ")")
 663       (insert "`" (nth 0 args) "'"))))
 664
 665 ;; @inforef{NODE-NAME, CROSS-REFERENCE-NAME, INFO-FILE-NAME}
 666 (put 'inforef 'texinfo-format 'texinfo-format-inforef)
 667 (ptexinfmt-defun-if-void texinfo-format-inforef ()
 668   (let ((args (texinfo-format-parse-args)))
 669     (texinfo-discard-command)
 670     (if (nth 1 args)
 671         (insert "*Note " (nth 1 args) ": (" (nth 2 args) ")" (car args))
 672       (insert "*Note " "(" (nth 2 args) ")" (car args) "::"))))
 673
 674
 675 ;; @anchor{NAME}
 676 ;; don't emulation
 677 ;; If support @anchor for Mule 2.3, We must fix informat.el and info.el:
 678 ;;  - Info-tagify suport @anthor-*-refill.
 679 ;;  - info.el support Ref in Tag table.
 680 (unless (get 'anchor 'texinfo-format)
 681   (put 'anchor 'texinfo-format 'texinfo-discard-command-and-arg))
 682
 683
 684 \f
 685 ;;; New command definition
 686 ;; @alias NEW=EXISTING
 687 (put 'alias 'texinfo-format 'texinfo-alias)
 688 (ptexinfmt-defun-if-void texinfo-alias ()
 689   (let ((start (1- (point)))
 690         args)
 691     (skip-chars-forward " ")
 692     (save-excursion (end-of-line) (setq texinfo-command-end (point)))
 693     (if (not (looking-at "\\([^=]+\\)=\\(.*\\)"))
 694         (error "Invalid alias command")
 695       (setq texinfo-alias-list
 696             (cons
 697              (cons
 698               (buffer-substring (match-beginning 1) (match-end 1))
 699               (buffer-substring (match-beginning 2) (match-end 2)))
 700              texinfo-alias-list))
 701       (texinfo-discard-command))))
 702
 703 \f
 704 ;;; Indent
 705 ;; @exampleindent INDENT  (makeinfo 4.0 or later)
 706
 707 ;; @paragraphindent INDENT  (makeinfo 4.0 or later)
 708 ;; INDENT: asis, 0, n
 709
 710 ;; @firstparagraphindent WORD   (makeinfo 4.6 or later)
 711 ;; WORD: none, insert
 712
 713
 714 \f
 715 ;;; Special
 716 ;; @image{FILENAME [, WIDTH] [, HEIGHT]}
 717 (put 'image 'texinfo-format 'texinfo-format-image)
 718 (ptexinfmt-defun-if-void texinfo-format-image ()
 719   ;; I don't know makeinfo parse FILENAME.
 720   (let ((args (texinfo-format-parse-args))
 721         filename)
 722     (when (null (nth 0 args))
 723       (error "Invalid image command"))
 724     (texinfo-discard-command)
 725     ;; makeinfo uses FILENAME.txt
 726     (setq filename (format "%s.txt" (nth 0 args)))
 727     (message "Reading included file: %s" filename)
 728     ;; verbatim for Info output
 729     (goto-char (+ (point) (cadr (insert-file-contents filename))))
 730     (message "Reading included file: %s...done" filename)))
 731
 732
 733 \f
 734 ;;; @multitable ... @end multitable
 735 (ptexinfmt-defvar-if-void texinfo-extra-inter-column-width 0
 736   "*Number of extra spaces between entries (columns) in @multitable.")
 737
 738 (ptexinfmt-defvar-if-void texinfo-multitable-buffer-name
 739   "*multitable-temporary-buffer*")
 740 (ptexinfmt-defvar-if-void texinfo-multitable-rectangle-name
 741   "texinfo-multitable-temp-")
 742
 743 ;; These commands are defined in texinfo.tex for printed output.
 744 (put 'multitableparskip 'texinfo-format 'texinfo-discard-line-with-args)
 745 (put 'multitableparindent 'texinfo-format 'texinfo-discard-line-with-args)
 746 (put 'multitablecolmargin 'texinfo-format 'texinfo-discard-line-with-args)
 747 (put 'multitablelinespace 'texinfo-format 'texinfo-discard-line-with-args)
 748
 749 (put 'multitable 'texinfo-format 'texinfo-multitable)
 750
 751 (ptexinfmt-defun-if-void texinfo-multitable ()
 752   "Produce multi-column tables."
 753
 754 ;; This function pushes information onto the `texinfo-stack'.
 755 ;; A stack element consists of:
 756 ;;   - type-of-command, i.e., multitable
 757 ;;   - the information about column widths, and
 758 ;;   - the position of texinfo-command-start.
 759 ;; e.g., ('multitable (1 2 3 4) 123)
 760 ;; The command line is then deleted.
 761   (texinfo-push-stack
 762    'multitable
 763    ;; push width information on stack
 764    (texinfo-multitable-widths))
 765   (texinfo-discard-line-with-args))
 766
 767 (put 'multitable 'texinfo-end 'texinfo-end-multitable)
 768 (ptexinfmt-defun-if-void texinfo-end-multitable ()
 769   "Discard the @end multitable line and pop the stack of multitable."
 770   (texinfo-discard-command)
 771   (texinfo-pop-stack 'multitable))
 772
 773 (ptexinfmt-defun-if-broken texinfo-multitable-widths ()
 774   "Return list of widths of each column in a multi-column table."
 775   (let (texinfo-multitable-width-list)
 776     ;; Fractions format:
 777     ;;  @multitable @columnfractions .25 .3 .45
 778     ;;
 779     ;; Template format:
 780     ;;  @multitable {Column 1 template} {Column 2} {Column 3 example}
 781     ;; Place point before first argument
 782     (skip-chars-forward " \t")
 783     (cond
 784      ;; Check for common misspelling
 785      ((looking-at "@columnfraction ")
 786       (error "In @multitable, @columnfractions misspelled"))
 787      ;; Case 1: @columnfractions .25 .3 .45
 788      ((looking-at "@columnfractions")
 789       (forward-word 1)
 790       (while (not (eolp))
 791         (setq texinfo-multitable-width-list
 792               (cons
 793                (truncate
 794                 (1-
 795                  (* fill-column (read (get-buffer (current-buffer))))))
 796                texinfo-multitable-width-list))))
 797      ;;
 798      ;; Case 2: {Column 1 template} {Column 2} {Column 3 example}
 799      ((looking-at "{")
 800       (let ((start-of-templates (point)))
 801         (while (not (eolp))
 802           (skip-chars-forward " \t")
 803           (let* ((start-of-template (1+ (point)))
 804                  (end-of-template
 805                   ;; forward-sexp works with braces in Texinfo mode
 806                   (progn (forward-sexp 1) (1- (point)))))
 807             (setq texinfo-multitable-width-list
 808                   (cons (- (progn
 809                              (goto-char end-of-template)
 810                              (current-column))
 811                            (progn
 812                              (goto-char start-of-template)
 813                              (current-column)))
 814                         texinfo-multitable-width-list))
 815             ;; Remove carriage return from within a template, if any.
 816             ;; This helps those those who want to use more than
 817             ;; one line's worth of words in @multitable line.
 818             (narrow-to-region start-of-template end-of-template)
 819             (goto-char (point-min))
 820             (while (search-forward "\n" nil t)
 821               (delete-char -1))
 822             (goto-char (point-max))
 823             (widen)
 824             (forward-char 1)))))
 825      ;;
 826      ;; Case 3: Trouble
 827      (t
 828       (error "\
 829 You probably need to specify column widths for @multitable correctly")))
 830     ;; Check whether columns fit on page.
 831     (let ((desired-columns
 832            (+
 833             ;; between column spaces
 834             (length texinfo-multitable-width-list)
 835             ;; additional between column spaces, if any
 836             texinfo-extra-inter-column-width
 837             ;; sum of spaces for each entry
 838             (apply '+ texinfo-multitable-width-list))))
 839       (if (> desired-columns fill-column)
 840           (error (format "\
 841 Multi-column table width, %d chars, is greater than page width, %d chars."
 842                          desired-columns fill-column))))
 843     texinfo-multitable-width-list))
 844
 845 ;; @item  A1  @tab  A2  @tab  A3
 846 (ptexinfmt-defun-if-void texinfo-multitable-extract-row ()
 847   "Return multitable row, as a string.
 848 End of row is beginning of next @item or beginning of @end.
 849 Cells within rows are separated by @tab."
 850   (skip-chars-forward " \t")
 851   (let* ((start (point))
 852          (end (progn
 853                 (re-search-forward "@item\\|@end")
 854                 (match-beginning 0)))
 855          (row (progn (goto-char end)
 856                      (skip-chars-backward " ")
 857                      ;; remove whitespace at end of argument
 858                      (delete-region (point) end)
 859                      (buffer-substring start (point)))))
 860     (delete-region texinfo-command-start end)
 861     row))
 862
 863 (put 'multitable 'texinfo-item 'texinfo-multitable-item)
 864 (ptexinfmt-defun-if-void texinfo-multitable-item ()
 865   "Format a row within a multicolumn table.
 866 Cells in row are separated by @tab.
 867 Widths of cells are specified by the arguments in the @multitable line.
 868 All cells are made to be the same height.
 869 This command is executed when texinfmt sees @item inside @multitable."
 870   (let ((original-buffer (current-buffer))
 871         (table-widths (reverse (car (cdr (car texinfo-stack)))))
 872         (existing-fill-column fill-column)
 873         start
 874         end
 875         (table-column       0)
 876         (table-entry-height 0)
 877         ;; unformatted row looks like:  A1  @tab  A2  @tab  A3
 878         ;; extract-row command deletes the source line in the table.
 879         (unformated-row (texinfo-multitable-extract-row)))
 880     ;; Use a temporary buffer
 881     (set-buffer (get-buffer-create texinfo-multitable-buffer-name))
 882     (delete-region (point-min) (point-max))
 883     (insert unformated-row)
 884     (goto-char (point-min))
 885 ;; 1. Check for correct number of @tab in line.
 886     (let ((tab-number 1)) ;; one @tab between two columns
 887       (while (search-forward "@tab" nil t)
 888         (setq tab-number (1+ tab-number)))
 889       (if (/= tab-number (length table-widths))
 890           (error "Wrong number of @tab's in a @multitable row")))
 891     (goto-char (point-min))
 892 ;; 2. Format each cell, and copy to a rectangle
 893     ;; buffer looks like this:    A1  @tab  A2  @tab  A3
 894     ;; Cell #1: format up to @tab
 895     ;; Cell #2: format up to @tab
 896     ;; Cell #3: format up to eob
 897     (while (not (eobp))
 898       (setq start (point))
 899       (setq end (save-excursion
 900                   (if (search-forward "@tab" nil 'move)
 901                       ;; Delete the @tab command, including the @-sign
 902                       (delete-region
 903                        (point)
 904                        (progn (forward-word -1) (1- (point)))))
 905                   (point)))
 906       ;; Set fill-column *wider* than needed to produce inter-column space
 907       (setq fill-column (+ 1
 908                            texinfo-extra-inter-column-width
 909                            (nth table-column table-widths)))
 910       (narrow-to-region start end)
 911       ;; Remove whitespace before and after entry.
 912       (skip-chars-forward " ")
 913       (delete-region (point) (save-excursion (beginning-of-line) (point)))
 914       (goto-char (point-max))
 915       (skip-chars-backward " ")
 916       (delete-region (point) (save-excursion (end-of-line) (point)))
 917       ;; Temorarily set texinfo-stack to nil so texinfo-format-scan
 918       ;; does not see an unterminated @multitable.
 919       (let (texinfo-stack) ;; nil
 920         (texinfo-format-scan))
 921       (let (fill-prefix) ;; no fill prefix
 922         (fill-region (point-min) (point-max)))
 923       (setq table-entry-height
 924             (max table-entry-height (count-lines (point-min) (point-max))))
 925 ;; 3. Move point to end of bottom line, and pad that line to fill column.
 926       (goto-char (point-min))
 927       (forward-line (1- table-entry-height))
 928       (let* ((beg (point)) ;; beginning of line
 929              ;; add one more space for inter-column spacing
 930              (needed-whitespace
 931               (1+
 932                (- fill-column
 933                   (progn
 934                     (end-of-line)
 935                     (current-column)))))) ;; end of existing line
 936         (insert (make-string
 937                  (if (> needed-whitespace 0) needed-whitespace 1)
 938                  ? )))
 939       ;; now, put formatted cell into a rectangle
 940       (set (intern (concat texinfo-multitable-rectangle-name
 941                            (int-to-string table-column)))
 942            (extract-rectangle (point-min) (point)))
 943       (delete-region (point-min) (point))
 944       (goto-char (point-max))
 945       (setq table-column (1+ table-column))
 946       (widen))
 947 ;; 4. Add extra lines to rectangles so all are of same height
 948     (let ((total-number-of-columns table-column)
 949           (column-number 0)
 950           here)
 951       (while (> table-column 0)
 952         (let ((this-rectangle (int-to-string table-column)))
 953           (while (< (length this-rectangle) table-entry-height)
 954             (setq this-rectangle (append this-rectangle '("")))))
 955         (setq table-column (1- table-column)))
 956 ;; 5. Insert formatted rectangles in original buffer
 957       (switch-to-buffer original-buffer)
 958       (open-line table-entry-height)
 959       (while (< column-number total-number-of-columns)
 960         (setq here (point))
 961         (insert-rectangle
 962          (eval (intern
 963                 (concat texinfo-multitable-rectangle-name
 964                         (int-to-string column-number)))))
 965         (goto-char here)
 966         (end-of-line)
 967         (setq column-number (1+ column-number))))
 968     (kill-buffer texinfo-multitable-buffer-name)
 969     (setq fill-column existing-fill-column)))
 970
 971 \f
 972 (ptexinfmt-defun-if-broken texinfo-format-printindex ()
 973   (let ((indexelts (symbol-value
 974                     (cdr (assoc (texinfo-parse-arg-discard)
 975                                 texinfo-indexvar-alist))))
 976         opoint)
 977     (insert "\n* Menu:\n\n")
 978     (setq opoint (point))
 979     (texinfo-print-index nil indexelts)
 980
 981     (if (memq system-type '(vax-vms windows-nt ms-dos))
 982         (texinfo-sort-region opoint (point))
 983       (shell-command-on-region opoint (point) "sort -fd" 1))))
 984
 985 \f
 986 ;; @copying ... @end copying
 987 ;; that Emacs 21.4 and lesser and XEmacs don't support.
 988 (if (fboundp 'texinfo-copying)
 989     nil
 990   (defvar texinfo-copying-text ""
 991     "Text of the copyright notice and copying permissions.")
 992
 993   (defun texinfo-copying ()
 994     "Copy the copyright notice and copying permissions from the Texinfo file,
 995 as indicated by the @copying ... @end copying command;
 996 insert the text with the @insertcopying command."
 997     (let ((beg (progn (beginning-of-line) (point)))
 998           (end  (progn (re-search-forward "^@end copying[ \t]*\n") (point))))
 999       (setq texinfo-copying-text
1000             (buffer-substring-no-properties
1001              (save-excursion (goto-char beg) (forward-line 1) (point))
1002              (save-excursion (goto-char end) (forward-line -1) (point))))
1003       (delete-region beg end)))
1004
1005   (defun texinfo-insertcopying ()
1006     "Insert the copyright notice and copying permissions from the Texinfo file,
1007 which are indicated by the @copying ... @end copying command."
1008     (insert (concat "\n" texinfo-copying-text)))
1009
1010   (defadvice texinfo-format-scan (before expand-@copying-section activate)
1011     "Extract @copying and replace @insertcopying with it."
1012     (goto-char (point-min))
1013     (when (search-forward "@copying" nil t)
1014       (texinfo-copying))
1015     (while (search-forward "@insertcopying" nil t)
1016       (delete-region (match-beginning 0) (match-end 0))
1017       (texinfo-insertcopying))))
1018
1019 (provide 'ptexinfmt)
1020
1021 ;;; ptexinfmt.el ends here