mime-view.el

   1 ;;; mime-view.el --- interactive MIME viewer for GNU Emacs
   2
   3 ;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
   4
   5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
   6 ;; Created: 1994/07/13
   7 ;;      Renamed: 1994/08/31 from tm-body.el
   8 ;;      Renamed: 1997/02/19 from tm-view.el
   9 ;; Keywords: MIME, multimedia, mail, news
  10
  11 ;; This file is part of SEMI (Sample of Elastic MIME Interfaces).
  12
  13 ;; This program is free software; you can redistribute it and/or
  14 ;; modify it under the terms of the GNU General Public License as
  15 ;; published by the Free Software Foundation; either version 2, or (at
  16 ;; your option) any later version.
  17
  18 ;; This program is distributed in the hope that it will be useful, but
  19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 ;; General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  26 ;; Boston, MA 02111-1307, USA.
  27
  28 ;;; Code:
  29
  30 (require 'emu)
  31 (require 'mime)
  32 (require 'semi-def)
  33 (require 'calist)
  34 (require 'alist)
  35 (require 'mailcap)
  36
  37
  38 ;;; @ version
  39 ;;;
  40
  41 (defconst mime-view-version
  42   (concat (mime-product-name mime-user-interface-product) " MIME-View "
  43           (mapconcat #'number-to-string
  44                      (mime-product-version mime-user-interface-product) ".")
  45           " (" (mime-product-code-name mime-user-interface-product) ")"))
  46
  47
  48 ;;; @ variables
  49 ;;;
  50
  51 (defgroup mime-view nil
  52   "MIME view mode"
  53   :group 'mime)
  54
  55 (defcustom mime-view-find-every-acting-situation t
  56   "*Find every available acting-situation if non-nil."
  57   :group 'mime-view
  58   :type 'boolean)
  59
  60 (defcustom mime-acting-situation-examples-file "~/.mime-example"
  61   "*File name of example about acting-situation demonstrated by user."
  62   :group 'mime-view
  63   :type 'file)
  64
  65 (defcustom mime-preview-move-scroll nil
  66   "*Decides whether to scroll when moving to next entity.
  67 When t, scroll the buffer.  Non-nil but not t means scroll when
  68 the next entity is within `next-screen-context-lines' from top or
  69 buttom.  Nil means don't scroll at all."
  70   :group 'mime-view
  71   :type '(choice (const :tag "Off" nil)
  72                  (const :tag "On" t)
  73                  (sexp :tag "Situation" 1)))
  74
  75 (defcustom mime-preview-scroll-full-screen nil
  76   "*When non-nil, always scroll full screen.
  77 If nil, point will be moved to the next entity if exists."
  78   :group 'mime-view
  79   :type '(choice (const :tag "On" t)
  80                  (const :tag "Off" nil)))
  81
  82 (defcustom mime-view-force-inline-types '(text multipart)
  83   "*List of MIME types that \"attachment\" should be ignored.
  84 The element can be type or type/subtype. When t, inline everything
  85 if possible."
  86   :group 'mime-view
  87   :type '(choice (const :tag "Nothing" nil)
  88                  (const :tag "All" t)
  89                  (list (repeat symbol))))
  90
  91 (defcustom mime-view-button-place-alist
  92   '((message . around)
  93     (application . before)
  94     (multipart/alternative . around))
  95   "*Alist of MIME type or type/subtype vs. button place.
  96 When around, button will be inserted before and after that part.
  97 When after or before, button will be inserted that place.
  98 If not specified, that type will not have button."
  99   :group 'mime-view
 100   :type '(choice (const :tag "Nothing" nil)
 101                  (list (repeat symbol))))
 102
 103 ;; Rename this.
 104 (defcustom mime-view-type-subtype-score-alist
 105   '(((text . enriched) . 3)
 106     ((text . richtext) . 2)
 107     ((text . plain)    . 1)
 108     (t . 0))
 109   "Alist MEDIA-TYPE vs corresponding score.
 110 MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t.  t means default."
 111   :group 'mime-view
 112   :type '(repeat (cons (choice :tag "Media-Type"
 113                                (cons :tag "Type/Subtype"
 114                                      (symbol :tag "Primary-type")
 115                                      (symbol :tag "Subtype"))
 116                                (symbol :tag "Type")
 117                                (const :tag "Default" t))
 118                        integer)))
 119
 120 ;;; @ in raw-buffer (representation space)
 121 ;;;
 122
 123 (defvar mime-preview-buffer nil
 124   "MIME-preview buffer corresponding with the (raw) buffer.")
 125 (make-variable-buffer-local 'mime-preview-buffer)
 126
 127
 128 (defvar mime-raw-representation-type-alist
 129   '((mime-show-message-mode     . binary)
 130     (mime-temp-message-mode     . binary)
 131     (t                          . cooked))
 132   "Alist of `major-mode' vs. representation-type of mime-raw-buffer.
 133 Each element looks like (SYMBOL . REPRESENTATION-TYPE).  SYMBOL is
 134 `major-mode' or t.  t means default.  REPRESENTATION-TYPE must be
 135 `binary' or `cooked'.")
 136
 137
 138 ;; (defun mime-raw-find-entity-from-point (point &optional message-info)
 139 ;;   "Return entity from POINT in mime-raw-buffer.
 140 ;; If optional argument MESSAGE-INFO is not specified,
 141 ;; `mime-message-structure' is used."
 142 ;;   (or message-info
 143 ;;       (setq message-info mime-message-structure))
 144 ;;   (if (and (<= (mime-entity-point-min message-info) point)
 145 ;;            (<= point (mime-entity-point-max message-info)))
 146 ;;       (let ((children (mime-entity-children message-info)))
 147 ;;         (catch 'tag
 148 ;;           (while children
 149 ;;             (let ((ret
 150 ;;                    (mime-raw-find-entity-from-point point (car children))))
 151 ;;               (if ret
 152 ;;                   (throw 'tag ret)
 153 ;;                 ))
 154 ;;             (setq children (cdr children)))
 155 ;;           message-info))))
 156 ;; (make-obsolete 'mime-raw-find-entity-from-point "don't use it.")
 157
 158
 159 ;;; @ in preview-buffer (presentation space)
 160 ;;;
 161
 162 (defvar mime-mother-buffer nil
 163   "Mother buffer corresponding with the (MIME-preview) buffer.
 164 If current MIME-preview buffer is generated by other buffer, such as
 165 message/partial, it is called `mother-buffer'.")
 166 (make-variable-buffer-local 'mime-mother-buffer)
 167
 168 ;; (defvar mime-raw-buffer nil
 169 ;;   "Raw buffer corresponding with the (MIME-preview) buffer.")
 170 ;; (make-variable-buffer-local 'mime-raw-buffer)
 171
 172 (defvar mime-preview-original-window-configuration nil
 173   "Window-configuration before `mime-view-mode' is called.")
 174 (make-variable-buffer-local 'mime-preview-original-window-configuration)
 175
 176 (defun mime-preview-original-major-mode (&optional recursive point)
 177   "Return major-mode of original buffer.
 178 If optional argument RECURSIVE is non-nil and current buffer has
 179 mime-mother-buffer, it returns original major-mode of the
 180 mother-buffer."
 181   (if (and recursive mime-mother-buffer)
 182       (save-excursion
 183         (set-buffer mime-mother-buffer)
 184         (mime-preview-original-major-mode recursive))
 185     (cdr (assq 'major-mode
 186                (get-text-property (or point
 187                                       (if (> (point) (buffer-size))
 188                                           (max (1- (point-max)) (point-min))
 189                                         (point)))
 190                                   'mime-view-situation)))))
 191
 192
 193 ;;; @ entity information
 194 ;;;
 195
 196 (defun mime-entity-situation (entity &optional situation)
 197   "Return situation of ENTITY."
 198   (let (rest param name)
 199     ;; Content-Type
 200     (unless (assq 'type situation)
 201       (setq rest (or (mime-entity-content-type entity)
 202                      (make-mime-content-type 'text 'plain))
 203             situation (cons (car rest) situation)
 204             rest (cdr rest)))
 205     (unless (assq 'subtype situation)
 206       (or rest
 207           (setq rest (or (cdr (mime-entity-content-type entity))
 208                          '((subtype . plain)))))
 209       (setq situation (cons (car rest) situation)
 210             rest (cdr rest)))
 211     (while rest
 212       (setq param (car rest))
 213       (or (assoc (car param) situation)
 214           (setq situation (cons param situation)))
 215       (setq rest (cdr rest)))
 216
 217     ;; Content-Disposition
 218     (setq rest nil)
 219     (unless (assq 'disposition-type situation)
 220       (setq rest (mime-entity-content-disposition entity))
 221       (if rest
 222           (setq situation (cons (cons 'disposition-type
 223                                       (mime-content-disposition-type rest))
 224                                 situation)
 225                 rest (mime-content-disposition-parameters rest))))
 226     (while rest
 227       (setq param (car rest)
 228             name (car param))
 229       (if (cond ((string= name "filename")
 230                  (if (assq 'filename situation)
 231                      nil
 232                    (setq name 'filename)))
 233                 ((string= name "creation-date")
 234                  (if (assq 'creation-date situation)
 235                      nil
 236                    (setq name 'creation-date)))
 237                 ((string= name "modification-date")
 238                  (if (assq 'modification-date situation)
 239                      nil
 240                    (setq name 'modification-date)))
 241                 ((string= name "read-date")
 242                  (if (assq 'read-date situation)
 243                      nil
 244                    (setq name 'read-date)))
 245                 ((string= name "size")
 246                  (if (assq 'size situation)
 247                      nil
 248                    (setq name 'size)))
 249                 (t (setq name (cons 'disposition name))
 250                    (if (assoc name situation)
 251                        nil
 252                      name)))
 253           (setq situation
 254                 (cons (cons name (cdr param))
 255                       situation)))
 256       (setq rest (cdr rest)))
 257
 258     ;; Content-Transfer-Encoding
 259     (or (assq 'encoding situation)
 260         (setq situation
 261               (cons (cons 'encoding (or (mime-entity-encoding entity)
 262                                         "7bit"))
 263                     situation)))
 264
 265     situation))
 266
 267 (defun mime-view-entity-title (entity)
 268   (or (mime-entity-read-field entity 'Content-Description)
 269       (mime-entity-read-field entity 'Subject)
 270       (mime-entity-filename entity)
 271       ""))
 272
 273
 274 ;; (defsubst mime-raw-point-to-entity-node-id (point &optional message-info)
 275 ;;   "Return entity-node-id from POINT in mime-raw-buffer.
 276 ;; If optional argument MESSAGE-INFO is not specified,
 277 ;; `mime-message-structure' is used."
 278 ;;   (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
 279
 280 ;; (make-obsolete 'mime-raw-point-to-entity-node-id "don't use it.")
 281
 282 ;; (defsubst mime-raw-point-to-entity-number (point &optional message-info)
 283 ;;   "Return entity-number from POINT in mime-raw-buffer.
 284 ;; If optional argument MESSAGE-INFO is not specified,
 285 ;; `mime-message-structure' is used."
 286 ;;   (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
 287
 288 ;; (make-obsolete 'mime-raw-point-to-entity-number "don't use it.")
 289
 290 ;; (defun mime-raw-flatten-message-info (&optional message-info)
 291 ;;   "Return list of entity in mime-raw-buffer.
 292 ;; If optional argument MESSAGE-INFO is not specified,
 293 ;; `mime-message-structure' is used."
 294 ;;   (or message-info
 295 ;;       (setq message-info mime-message-structure))
 296 ;;   (let ((dest (list message-info))
 297 ;;         (rcl (mime-entity-children message-info)))
 298 ;;     (while rcl
 299 ;;       (setq dest (nconc dest (mime-raw-flatten-message-info (car rcl))))
 300 ;;       (setq rcl (cdr rcl)))
 301 ;;     dest))
 302
 303 (defmacro mime-view-header-is-visible (situation)
 304   `(eq (cdr (or (assq '*header ,situation)
 305                 (assq 'header ,situation)))
 306        'visible))
 307
 308 (defmacro mime-view-body-is-visible (situation)
 309   `(eq (cdr (or (assq '*body ,situation)
 310                 (assq 'body ,situation)))
 311        'visible))
 312
 313 (defmacro mime-view-children-is-invisible (situation)
 314   `(eq (cdr (or (assq '*children ,situation)
 315                 (assq 'children ,situation)))
 316        'invisible))
 317
 318 (defmacro mime-view-button-is-visible (situation)
 319   ;; Kludge.
 320   `(or (eq (or (cdr (assq '*entity-button ,situation))
 321                (cdr (assq 'entity-button ,situation)))
 322            'visible)
 323        (and (not (eq (or (cdr (assq '*entity-button ,situation))
 324                          (cdr (assq 'entity-button ,situation)))
 325                      'invisible))
 326             (mime-view-entity-button-visible-p entity))))
 327
 328 ;;; @ presentation of preview
 329 ;;;
 330
 331 ;;; @@ entity-button
 332 ;;;
 333
 334 ;;; @@@ predicate function
 335 ;;;
 336
 337 ;; #### fix flim
 338 (defun mime-view-entity-type/subtype (entity)
 339   (if (not (mime-entity-media-type entity))
 340       'text/plain
 341     (intern (format "%s/%s"
 342                     (mime-entity-media-type entity)
 343                     (mime-entity-media-subtype entity)))))
 344
 345 (defun mime-view-entity-button-visible-p (entity)
 346   "Return non-nil if header of ENTITY is visible.
 347 You can customize the visibility by changing `mime-view-button-place-alist'."
 348   (or
 349    ;; Check current entity
 350    ;; type/subtype
 351    (memq (cdr (assq (mime-view-entity-type/subtype entity)
 352                     mime-view-button-place-alist))
 353          '(around before))
 354    ;; type
 355    (memq (cdr (assq (mime-entity-media-type entity)
 356                     mime-view-button-place-alist))
 357          '(around before))
 358    (and (mime-entity-parent entity)
 359         (let ((prev-entity
 360                (cadr (memq entity
 361                            (reverse (mime-entity-children
 362                                      (mime-entity-parent entity)))))))
 363           ;; When previous entity exists
 364           (and prev-entity
 365                (or
 366                 ;; Check previous entity
 367                 ;; type/subtype
 368                 (memq (cdr
 369                        (assq
 370                         (mime-view-entity-type/subtype prev-entity)
 371                         mime-view-button-place-alist))
 372                       '(around after))
 373                 ;; type
 374                 (memq (cdr
 375                        (assq
 376                         (mime-entity-media-type prev-entity)
 377                         mime-view-button-place-alist))
 378                       '(around after))))))
 379    ;; default for everything.
 380    (memq (cdr (assq t
 381                     mime-view-button-place-alist))
 382          '(around before))))
 383
 384 ;;; @@@ entity button generator
 385 ;;;
 386
 387 (defun mime-view-insert-entity-button (entity &optional body-is-invisible)
 388   "Insert entity-button of ENTITY."
 389   (let ((entity-node-id (mime-entity-node-id entity))
 390         (params (mime-entity-parameters entity))
 391         (subject (mime-view-entity-title entity)))
 392     (mime-insert-button
 393      (concat
 394       (let ((access-type (assoc "access-type" params))
 395             (num (or (cdr (assoc "x-part-number" params))
 396                      (if (consp entity-node-id)
 397                          (mapconcat (function
 398                                      (lambda (num)
 399                                        (format "%s" (1+ num))))
 400                                     (reverse entity-node-id) ".")
 401                        "0"))))
 402         (cond (access-type
 403                (let ((server (assoc "server" params)))
 404                  (setq access-type (cdr access-type))
 405                  (if server
 406                      (format "%s %s ([%s] %s)"
 407                              num subject access-type (cdr server))
 408                    (let ((site (cdr (assoc "site" params)))
 409                          (dir (cdr (assoc "directory" params)))
 410                          (url (cdr (assoc "url" params))))
 411                      (if url
 412                          (format "%s %s ([%s] %s)"
 413                                  num subject access-type url)
 414                        (format "%s %s ([%s] %s:%s)"
 415                                num subject access-type site dir))))))
 416               (t
 417                (let ((media-type (mime-entity-media-type entity))
 418                      (media-subtype (mime-entity-media-subtype entity))
 419                      (charset (cdr (assoc "charset" params)))
 420                      (encoding (mime-entity-encoding entity)))
 421                  (concat
 422                   num " " subject
 423                   (let ((rest
 424                          (format " <%s/%s%s%s>"
 425                                  media-type media-subtype
 426                                  (if charset
 427                                      (concat "; " charset)
 428                                    "")
 429                                  (if encoding
 430                                      (concat " (" encoding ")")
 431                                    ""))))
 432                     (if (>= (+ (current-column)(length rest))(window-width))
 433                         "\n\t")
 434                     rest))))))
 435       (if body-is-invisible
 436           " ..."
 437         ""))
 438      (function mime-preview-play-current-entity)
 439      (if body-is-invisible
 440          'invisible))))
 441
 442
 443 ;;; @@ entity-header
 444 ;;;
 445
 446 (defvar mime-header-presentation-method-alist nil
 447   "Alist of major mode vs. corresponding header-presentation-method functions.
 448 Each element looks like (SYMBOL . FUNCTION).
 449 SYMBOL must be major mode in raw-buffer or t.  t means default.
 450 Interface of FUNCTION must be (ENTITY SITUATION).")
 451
 452 (defvar mime-view-ignored-field-list
 453   '(".*Received:" ".*Path:" ".*Id:" "^References:"
 454     "^Replied:" "^Errors-To:"
 455     "^Lines:" "^Sender:" ".*Host:" "^Xref:"
 456     "^Content-Type:" "^Precedence:"
 457     "^Status:" "^X-VM-.*:")
 458   "All fields that match this list will be hidden in MIME preview buffer.
 459 Each elements are regexp of field-name.")
 460
 461 (defvar mime-view-visible-field-list '("^Dnas.*:" "^Message-Id:")
 462   "All fields that match this list will be displayed in MIME preview buffer.
 463 Each elements are regexp of field-name.")
 464
 465
 466 ;;; @@ entity-body
 467 ;;;
 468
 469 ;;; @@@ predicate function
 470 ;;;
 471
 472 (in-calist-package 'mime-view)
 473
 474 (defun mime-calist::field-match-method-as-default-rule (calist
 475                                                         field-type field-value)
 476   (let ((s-field (assq field-type calist)))
 477     (cond ((null s-field)
 478            (cons (cons field-type field-value) calist))
 479           (t calist))))
 480
 481 (define-calist-field-match-method
 482   'header #'mime-calist::field-match-method-as-default-rule)
 483
 484 (define-calist-field-match-method
 485   'body #'mime-calist::field-match-method-as-default-rule)
 486
 487
 488 (defvar mime-preview-condition nil
 489   "Condition-tree about how to display entity.")
 490
 491 ;;(ctree-set-calist-strictly
 492 ;; 'mime-preview-condition '((type . application)(subtype . octet-stream)
 493 ;;                         (encoding . nil)
 494 ;;                         (body . visible)))
 495
 496 (ctree-set-calist-strictly
 497  'mime-preview-condition '((type . application)(subtype . t)
 498                            (encoding . "7bit")
 499                            (body . visible)))
 500 (ctree-set-calist-strictly
 501  'mime-preview-condition '((type . application)(subtype . t)
 502                            (encoding . "8bit")
 503                            (body . visible)))
 504
 505 (ctree-set-calist-strictly
 506  'mime-preview-condition '((type . application)(subtype . pgp)
 507                            (body . visible)))
 508
 509 (ctree-set-calist-strictly
 510  'mime-preview-condition '((type . application)(subtype . x-latex)
 511                            (body . visible)))
 512
 513 (ctree-set-calist-strictly
 514  'mime-preview-condition '((type . application)(subtype . x-selection)
 515                            (body . visible)))
 516
 517 (ctree-set-calist-strictly
 518  'mime-preview-condition '((type . application)(subtype . x-comment)
 519                            (body . visible)))
 520
 521 (ctree-set-calist-strictly
 522  'mime-preview-condition '((type . message)(subtype . delivery-status)
 523                            (body . visible)))
 524
 525 (ctree-set-calist-strictly
 526  'mime-preview-condition
 527  '((body . visible)
 528    (body-presentation-method . mime-display-text/plain)))
 529
 530 (ctree-set-calist-strictly
 531  'mime-preview-condition
 532  '((type . nil)
 533    (body . visible)
 534    (body-presentation-method . mime-display-text/plain)))
 535
 536 (ctree-set-calist-strictly
 537  'mime-preview-condition
 538  '((type . text)(subtype . enriched)
 539    (body . visible)
 540    (body-presentation-method . mime-display-text/enriched)))
 541
 542 (ctree-set-calist-strictly
 543  'mime-preview-condition
 544  '((type . text)(subtype . richtext)
 545    (body . visible)
 546    (body-presentation-method . mime-display-text/richtext)))
 547
 548 (ctree-set-calist-strictly
 549  'mime-preview-condition
 550  '((type . application)(subtype . x-postpet)
 551    (body . visible)
 552    (body-presentation-method . mime-display-application/x-postpet)))
 553
 554 (ctree-set-calist-strictly
 555  'mime-preview-condition '((type . application)(subtype . t)
 556                            (encoding . t)
 557                            (body . invisible)
 558                            (body-presentation-method . mime-display-detect-application/octet-stream)))
 559
 560 (ctree-set-calist-strictly
 561  'mime-preview-condition
 562  '((type . text)(subtype . t)
 563    (body . visible)
 564    (body-presentation-method . mime-display-text/plain)))
 565
 566 (ctree-set-calist-strictly
 567  'mime-preview-condition
 568  '((type . text)(subtype . x-rot13-47-48)
 569    (body . visible)
 570    (body-presentation-method . mime-display-text/x-rot13-47-48)))
 571
 572 (ctree-set-calist-strictly
 573  'mime-preview-condition
 574  '((type . multipart)(subtype . alternative)
 575    (body . visible)
 576    (body-presentation-method . mime-display-multipart/alternative)))
 577
 578 (ctree-set-calist-strictly
 579  'mime-preview-condition
 580  '((type . multipart)(subtype . t)
 581    (body . visible)
 582    (body-presentation-method . mime-display-multipart/mixed)))
 583
 584 (ctree-set-calist-strictly
 585  'mime-preview-condition
 586  '((type . message)(subtype . partial)
 587    (body . visible)
 588    (body-presentation-method . mime-display-message/partial-button)))
 589
 590 (ctree-set-calist-strictly
 591  'mime-preview-condition
 592  '((type . message)(subtype . rfc822)
 593    (body . visible)
 594    (body-presentation-method . mime-display-multipart/mixed)
 595    (childrens-situation (header . visible)
 596                         (entity-button . invisible))))
 597
 598 (ctree-set-calist-strictly
 599  'mime-preview-condition
 600  '((type . message)(subtype . news)
 601    (body . visible)
 602    (body-presentation-method . mime-display-multipart/mixed)
 603    (childrens-situation (header . visible)
 604                         (entity-button . invisible))))
 605
 606 ;; message/external-body has only one child.
 607 (ctree-set-calist-strictly
 608  'mime-preview-condition
 609  '((type . message)(subtype . external-body)
 610    (body . visible)
 611    (body-presentation-method . nil)
 612    (childrens-situation (header . invisible)
 613                         (body . invisible)
 614                         (entity-button . visible))))
 615
 616
 617 ;;; @@@ entity presentation
 618 ;;;
 619
 620 (defun mime-display-text/plain (entity situation)
 621   (save-restriction
 622     (narrow-to-region (point-max)(point-max))
 623     (mime-insert-text-content entity)
 624     (run-hooks 'mime-text-decode-hook)
 625     (goto-char (point-max))
 626     (if (not (eq (char-after (1- (point))) ?\n))
 627         (insert "\n"))
 628     (mime-add-url-buttons)
 629     (run-hooks 'mime-display-text/plain-hook)))
 630
 631 (defun mime-display-text/richtext (entity situation)
 632   (save-restriction
 633     (narrow-to-region (point-max)(point-max))
 634     (mime-insert-text-content entity)
 635     (run-hooks 'mime-text-decode-hook)
 636     (let ((beg (point-min)))
 637       (remove-text-properties beg (point-max) '(face nil))
 638       (richtext-decode beg (point-max)))))
 639
 640 (defun mime-display-text/enriched (entity situation)
 641   (save-restriction
 642     (narrow-to-region (point-max)(point-max))
 643     (mime-insert-text-content entity)
 644     (run-hooks 'mime-text-decode-hook)
 645     (let ((beg (point-min)))
 646       (remove-text-properties beg (point-max) '(face nil))
 647       (enriched-decode beg (point-max)))))
 648
 649 (defun mime-display-text/x-rot13-47-48 (entity situation)
 650   (save-restriction
 651     (narrow-to-region (point-max)(point-max))
 652     (mime-insert-text-content entity)
 653     (goto-char (point-max))
 654     (if (not (eq (char-after (1- (point))) ?\n))
 655         (insert "\n"))
 656     (mule-caesar-region (point-min) (point-max))
 657     (mime-add-url-buttons)))
 658
 659 (put 'unpack 'lisp-indent-function 1)
 660 (defmacro unpack (string &rest body)
 661   `(let* ((*unpack*string* (string-as-unibyte ,string))
 662           (*unpack*index* 0))
 663      ,@body))
 664
 665 (defun unpack-skip (len)
 666   (setq *unpack*index* (+ len *unpack*index*)))
 667
 668 (defun unpack-fixed (len)
 669   (prog1
 670       (substring *unpack*string* *unpack*index* (+ *unpack*index* len))
 671     (unpack-skip len)))
 672
 673 (defun unpack-byte ()
 674   (char-int (aref (unpack-fixed 1) 0)))
 675
 676 (defun unpack-short ()
 677   (let* ((b0 (unpack-byte))
 678          (b1 (unpack-byte)))
 679     (+ (* 256 b0) b1)))
 680
 681 (defun unpack-long ()
 682   (let* ((s0 (unpack-short))
 683          (s1 (unpack-short)))
 684     (+ (* 65536 s0) s1)))
 685
 686 (defun unpack-string ()
 687   (let ((len (unpack-byte)))
 688     (unpack-fixed len)))
 689
 690 (defun unpack-string-sjis ()
 691   (decode-mime-charset-string (unpack-string) 'shift_jis))
 692
 693 (defun postpet-decode (string)
 694   (condition-case nil
 695       (unpack string
 696         (let (res)
 697           (unpack-skip 4)
 698           (set-alist 'res 'carryingcount (unpack-long))
 699           (unpack-skip 8)
 700           (set-alist 'res 'sentyear (unpack-short))
 701           (set-alist 'res 'sentmonth (unpack-short))
 702           (set-alist 'res 'sentday (unpack-short))
 703           (unpack-skip 8)
 704           (set-alist 'res 'petname (unpack-string-sjis))
 705           (set-alist 'res 'owner (unpack-string-sjis))
 706           (set-alist 'res 'pettype (unpack-fixed 4))
 707           (set-alist 'res 'health (unpack-short))
 708           (unpack-skip 2)
 709           (set-alist 'res 'sex (unpack-long))
 710           (unpack-skip 1)
 711           (set-alist 'res 'brain (unpack-byte))
 712           (unpack-skip 39)
 713           (set-alist 'res 'happiness (unpack-byte))
 714           (unpack-skip 14)
 715           (set-alist 'res 'petbirthyear (unpack-short))
 716           (set-alist 'res 'petbirthmonth (unpack-short))
 717           (set-alist 'res 'petbirthday (unpack-short))
 718           (unpack-skip 8)
 719           (set-alist 'res 'from (unpack-string))
 720           (unpack-skip 5)
 721           (unpack-skip 160)
 722           (unpack-skip 4)
 723           (unpack-skip 8)
 724           (unpack-skip 8)
 725           (unpack-skip 26)
 726           (set-alist 'res 'treasure (unpack-short))
 727           (set-alist 'res 'money (unpack-long))
 728           res))
 729     (error nil)))
 730
 731 (defun mime-display-application/x-postpet (entity situation)
 732   (save-restriction
 733     (narrow-to-region (point-max)(point-max))
 734     (let ((pet (postpet-decode (mime-entity-content entity))))
 735       (if pet
 736           (insert "Petname: " (cdr (assq 'petname pet)) "\n"
 737                   "Owner: " (cdr (assq 'owner pet)) "\n"
 738                   "Pettype: " (cdr (assq 'pettype pet)) "\n"
 739                   "From: " (cdr (assq 'from pet)) "\n"
 740                   "CarryingCount: " (int-to-string (cdr (assq 'carryingcount pet))) "\n"
 741                   "SentYear: " (int-to-string (cdr (assq 'sentyear pet))) "\n"
 742                   "SentMonth: " (int-to-string (cdr (assq 'sentmonth pet))) "\n"
 743                   "SentDay: " (int-to-string (cdr (assq 'sentday pet))) "\n"
 744                   "PetbirthYear: " (int-to-string (cdr (assq 'petbirthyear pet))) "\n"
 745                   "PetbirthMonth: " (int-to-string (cdr (assq 'petbirthmonth pet))) "\n"
 746                   "PetbirthDay: " (int-to-string (cdr (assq 'petbirthday pet))) "\n"
 747                   "Health: " (int-to-string (cdr (assq 'health pet))) "\n"
 748                   "Sex: " (int-to-string (cdr (assq 'sex pet))) "\n"
 749                   "Brain: " (int-to-string (cdr (assq 'brain pet))) "\n"
 750                   "Happiness: " (int-to-string (cdr (assq 'happiness pet))) "\n"
 751                   "Treasure: " (int-to-string (cdr (assq 'treasure pet))) "\n"
 752                   "Money: " (int-to-string (cdr (assq 'money pet))) "\n")
 753         (insert "Invalid format\n"))
 754       (run-hooks 'mime-display-application/x-postpet-hook))))
 755
 756
 757 (defvar mime-view-announcement-for-message/partial
 758   (if (and (>= emacs-major-version 19) window-system)
 759       "\
 760 \[[ This is message/partial style split message. ]]
 761 \[[ Please press `v' key in this buffer          ]]
 762 \[[ or click here by mouse button-2.             ]]"
 763     "\
 764 \[[ This is message/partial style split message. ]]
 765 \[[ Please press `v' key in this buffer.         ]]"))
 766
 767 (defun mime-display-message/partial-button (&optional entity situation)
 768   (save-restriction
 769     (goto-char (point-max))
 770     (if (not (search-backward "\n\n" nil t))
 771         (insert "\n"))
 772     (goto-char (point-max))
 773     (narrow-to-region (point-max)(point-max))
 774     (insert mime-view-announcement-for-message/partial)
 775     (mime-add-button (point-min)(point-max)
 776                      #'mime-preview-play-current-entity)))
 777
 778 (defun mime-display-multipart/mixed (entity situation)
 779   (let ((children (mime-entity-children entity))
 780         (original-major-mode-cell (assq 'major-mode situation))
 781         (default-situation
 782           (cdr (assq 'childrens-situation situation))))
 783     (if original-major-mode-cell
 784         (setq default-situation
 785               (cons original-major-mode-cell default-situation)))
 786     (while children
 787       (mime-display-entity (car children) nil default-situation)
 788       (setq children (cdr children)))))
 789
 790 (defun mime-display-multipart/alternative (entity situation)
 791   (let* ((children (mime-entity-children entity))
 792          (original-major-mode-cell (assq 'major-mode situation))
 793          (default-situation
 794            (cdr (assq 'childrens-situation situation)))
 795          (i 0)
 796          (p 0)
 797          (max-score 0)
 798          situations)
 799     (if original-major-mode-cell
 800         (setq default-situation
 801               (cons original-major-mode-cell default-situation)))
 802     (setq situations
 803           (mapcar (function
 804                    (lambda (child)
 805                      (let ((situation
 806                             (or (ctree-match-calist
 807                                  mime-preview-condition
 808                                  (append (mime-entity-situation child)
 809                                          default-situation))
 810                                 default-situation)))
 811                        (if (cdr (assq 'body-presentation-method situation))
 812                            (let ((score
 813                                   (cdr
 814                                    (or (assoc
 815                                         (cons
 816                                          (cdr (assq 'type situation))
 817                                          (cdr (assq 'subtype situation)))
 818                                         mime-view-type-subtype-score-alist)
 819                                        (assq
 820                                         (cdr (assq 'type situation))
 821                                         mime-view-type-subtype-score-alist)
 822                                        (assq
 823                                         t
 824                                         mime-view-type-subtype-score-alist)))))
 825                              (if (> score max-score)
 826                                  (setq p i
 827                                        max-score score))))
 828                        (setq i (1+ i))
 829                        situation)))
 830                   children))
 831     (setq i 0)
 832     (while children
 833       (let ((child (car children))
 834             (situation (car situations)))
 835         (mime-display-entity child (if (= i p)
 836                                        situation
 837                                      (del-alist 'body-presentation-method
 838                                                 (copy-alist situation)))))
 839       (setq children (cdr children)
 840             situations (cdr situations)
 841             i (1+ i)))))
 842
 843 (defun mime-display-detect-application/octet-stream (entity situation)
 844   "Detect unknown ENTITY and display it inline.
 845 This can only handle gzipped contents."
 846   (or (and (mime-entity-filename entity)
 847            (string-match "\\.gz$" (mime-entity-filename entity))
 848            (mime-display-gzipped entity situation))
 849       (mime-display-text/plain entity situation)))
 850
 851 (defun mime-display-gzipped (entity situation)
 852   "Ungzip gzipped part and display."
 853     (insert
 854      (with-temp-buffer
 855        (insert (mime-entity-content entity))
 856        (as-binary-process
 857         (call-process-region (point-min) (point-max) "gzip" t t
 858                              nil "-cd"))
 859        (buffer-string (point-min) (point-max))))
 860     t)
 861
 862 (defun mime-preview-inline ()
 863   "View part as text without code conversion."
 864   (interactive)
 865   (let ((inhibit-read-only t)
 866         (entity (get-text-property (point) 'mime-view-entity))
 867         (situation (get-text-property (point) 'mime-view-situation))
 868         start)
 869     (when (and entity
 870                (not (get-text-property (point) 'mime-view-entity-header))
 871                (not (memq (mime-entity-media-type entity)
 872                           '(multipart message))))
 873       (setq start (or (and (not (mime-entity-parent entity))
 874                            (1+ (previous-single-property-change
 875                                 (point)
 876                                 'mime-view-entity-header)))
 877                       (and (not (eq (point) (point-min)))
 878                            (not (eq (get-text-property (1- (point))
 879                                                        'mime-view-entity)
 880                                     entity))
 881                            (point))
 882                       (previous-single-property-change (point)
 883                                                    'mime-view-entity)
 884                       (point)))
 885       (delete-region start
 886                      (1-
 887                       (or (next-single-property-change (point)
 888                                                        'mime-view-entity)
 889                           (point-max))))
 890       (setq start (point))
 891       (if (mime-view-entity-button-visible-p entity)
 892           (mime-view-insert-entity-button entity))
 893       (insert (mime-entity-content entity))
 894       (if (and (bolp) (eolp))
 895           (delete-char 1)
 896         (forward-char 1))
 897       (add-text-properties start (point)
 898                            (list 'mime-view-entity entity
 899                                  'mime-view-situation situation))
 900       (goto-char start))))
 901
 902 (defun mime-preview-text (&optional ask-coding)
 903   "View part as text. MIME charset will be guessed automatically.
 904 With prefix, it prompts for coding-system."
 905   (interactive "P")
 906   (let ((inhibit-read-only t)
 907         (entity (get-text-property (point) 'mime-view-entity))
 908         (situation (get-text-property (point) 'mime-view-situation))
 909         (coding (if ask-coding
 910                     (or (read-coding-system "Coding system: ")
 911                         'undecided)
 912                   'undecided))
 913         start)
 914     (when (and entity
 915                (not (get-text-property (point) 'mime-view-entity-header))
 916                (not (memq (mime-entity-media-type entity)
 917                           '(multipart message))))
 918       (setq start (or (and (not (mime-entity-parent entity))
 919                            (1+ (previous-single-property-change
 920                                 (point)
 921                                 'mime-view-entity-header)))
 922                       (and (not (eq (point) (point-min)))
 923                            (not (eq (get-text-property (1- (point))
 924                                                        'mime-view-entity)
 925                                     entity))
 926                            (point))
 927                       (previous-single-property-change (point)
 928                                                        'mime-view-entity)
 929                       (point)))
 930       (delete-region start
 931                      (1-
 932                       (or (next-single-property-change (point)
 933                                                        'mime-view-entity)
 934                           (point-max))))
 935       (setq start (point))
 936       (if (mime-view-entity-button-visible-p entity)
 937           (mime-view-insert-entity-button entity))
 938       (insert (decode-coding-string (mime-entity-content entity) coding))
 939       (if (and (bolp) (eolp))
 940           (delete-char 1)
 941         (forward-char 1))
 942       (add-text-properties start (point)
 943                            (list 'mime-view-entity entity
 944                                  'mime-view-situation situation))
 945       (goto-char start))))
 946
 947
 948 (defun mime-preview-type ()
 949   "View part as text without code conversion."
 950   (interactive)
 951   (mime-preview-toggle-content t))
 952
 953 (defun mime-preview-buttonize ()
 954   (interactive)
 955   (save-excursion
 956     (goto-char (point-min))
 957     (let (point)
 958       (while (setq point (next-single-property-change
 959                           (point) 'mime-view-entity))
 960         (goto-char point)
 961         (unless (get-text-property (point) 'mime-button-callback)
 962           (mime-preview-toggle-button))))))
 963
 964 (defun mime-preview-unbuttonize ()
 965   (interactive)
 966   (save-excursion
 967     (goto-char (point-min))
 968     (let (point)
 969       (while (setq point (next-single-property-change
 970                           (point) 'mime-view-entity))
 971         (goto-char point)
 972         (when (get-text-property (point) 'mime-button-callback)
 973           (mime-preview-toggle-button))))))
 974
 975
 976 ;;; @ acting-condition
 977 ;;;
 978
 979 (defvar mime-acting-condition nil
 980   "Condition-tree about how to process entity.")
 981
 982 (if (file-readable-p mailcap-file)
 983     (let ((entries (mailcap-parse-file)))
 984       (while entries
 985         (let ((entry (car entries))
 986               view print shared)
 987           (while entry
 988             (let* ((field (car entry))
 989                    (field-type (car field)))
 990               (cond ((eq field-type 'view)  (setq view field))
 991                     ((eq field-type 'print) (setq print field))
 992                     ((memq field-type '(compose composetyped edit)))
 993                     (t (setq shared (cons field shared)))))
 994             (setq entry (cdr entry)))
 995           (setq shared (nreverse shared))
 996           (ctree-set-calist-with-default
 997            'mime-acting-condition
 998            (append shared (list '(mode . "play")(cons 'method (cdr view)))))
 999           (if print
1000               (ctree-set-calist-with-default
1001                'mime-acting-condition
1002                (append shared
1003                        (list '(mode . "print")(cons 'method (cdr view)))))))
1004         (setq entries (cdr entries)))))
1005
1006 (ctree-set-calist-strictly
1007  'mime-acting-condition
1008  '((type . application)(subtype . octet-stream)
1009    (mode . "play")
1010    (method . mime-detect-content)))
1011
1012 (ctree-set-calist-with-default
1013  'mime-acting-condition
1014  '((mode . "extract")
1015    (method . mime-save-content)))
1016
1017 (ctree-set-calist-strictly
1018  'mime-acting-condition
1019  '((type . text)(subtype . x-rot13-47)(mode . "play")
1020    (method . mime-view-caesar)))
1021 (ctree-set-calist-strictly
1022  'mime-acting-condition
1023  '((type . text)(subtype . x-rot13-47-48)(mode . "play")
1024    (method . mime-view-caesar)))
1025
1026 (ctree-set-calist-strictly
1027  'mime-acting-condition
1028  '((type . message)(subtype . rfc822)(mode . "play")
1029    (method . mime-view-message/rfc822)))
1030 (ctree-set-calist-strictly
1031  'mime-acting-condition
1032  '((type . message)(subtype . partial)(mode . "play")
1033    (method . mime-store-message/partial-piece)))
1034
1035 (ctree-set-calist-strictly
1036  'mime-acting-condition
1037  '((type . message)(subtype . external-body)
1038    ("access-type" . "anon-ftp")
1039    (method . mime-view-message/external-anon-ftp)))
1040
1041 (ctree-set-calist-strictly
1042  'mime-acting-condition
1043  '((type . message)(subtype . external-body)
1044    ("access-type" . "url")
1045    (method . mime-view-message/external-url)))
1046
1047 (ctree-set-calist-strictly
1048  'mime-acting-condition
1049  '((type . application)(subtype . octet-stream)
1050    (method . mime-save-content)))
1051
1052
1053 ;;; @ quitting method
1054 ;;;
1055
1056 (defvar mime-preview-quitting-method-alist
1057   '((mime-show-message-mode
1058      . mime-preview-quitting-method-for-mime-show-message-mode))
1059   "Alist of `major-mode' vs. quitting-method of mime-view.")
1060
1061 (defvar mime-preview-over-to-previous-method-alist nil
1062   "Alist of `major-mode' vs. over-to-previous-method of mime-view.")
1063
1064 (defvar mime-preview-over-to-next-method-alist nil
1065   "Alist of `major-mode' vs. over-to-next-method of mime-view.")
1066
1067
1068 ;;; @ following method
1069 ;;;
1070
1071 (defvar mime-preview-following-method-alist nil
1072   "Alist of `major-mode' vs. following-method of mime-view.")
1073
1074 (defvar mime-view-following-required-fields-list
1075   '("From"))
1076
1077
1078 ;;; @ buffer setup
1079 ;;;
1080
1081 (defun mime-display-entity (entity &optional situation
1082                                    default-situation preview-buffer)
1083   "Display mime-entity ENTITY."
1084   (or preview-buffer
1085       (setq preview-buffer (current-buffer)))
1086   (in-calist-package 'mime-view)
1087   (or situation
1088       (setq situation
1089             (or (ctree-match-calist mime-preview-condition
1090                                     (append (mime-entity-situation entity)
1091                                             default-situation))
1092                 default-situation)))
1093   (let ((button-is-visible (mime-view-button-is-visible situation))
1094         (header-is-visible
1095          (mime-view-header-is-visible situation))
1096         (header-presentation-method
1097          (or (cdr (assq '*header-presentation-method situation))
1098              (cdr (assq 'header-presentation-method situation))
1099              (cdr (assq (cdr (assq 'major-mode situation))
1100                         mime-header-presentation-method-alist))))
1101         (body-is-visible
1102          (mime-view-body-is-visible situation))
1103         (body-presentation-method
1104          (cdr (assq 'body-presentation-method situation)))
1105         (children (mime-entity-children entity))
1106         nb ne nhb nbb)
1107     ;; Check if attachment is specified.
1108     ;; if inline is forced or not.
1109     (unless (or (eq t mime-view-force-inline-types)
1110                 (memq (mime-entity-media-type entity)
1111                       mime-view-force-inline-types)
1112                 (memq (mime-view-entity-type/subtype entity)
1113                       mime-view-force-inline-types)
1114                 ;; whether Content-Disposition header exists.
1115                 (not (mime-entity-content-disposition entity))
1116                 (eq 'inline
1117                     (mime-content-disposition-type
1118                      (mime-entity-content-disposition entity))))
1119       ;; This is attachment
1120       (setq header-is-visible nil
1121             body-is-visible nil)
1122       (put-alist 'header 'invisible situation)
1123       (put-alist 'body 'invisible situation))
1124     (set-buffer preview-buffer)
1125     (setq nb (point))
1126     (save-restriction
1127       (narrow-to-region nb nb)
1128       (if button-is-visible
1129           (mime-view-insert-entity-button entity
1130                                           ;; work around composite type
1131                                           (not (or children
1132                                                    body-is-visible))))
1133       (when header-is-visible
1134         (setq nhb (point))
1135         (if header-presentation-method
1136             (funcall header-presentation-method entity situation)
1137           (mime-insert-header entity
1138                               mime-view-ignored-field-list
1139                               mime-view-visible-field-list))
1140         (run-hooks 'mime-display-header-hook)
1141         (put-text-property nhb (point-max) 'mime-view-entity-header entity)
1142         (goto-char (point-max))
1143         (insert "\n"))
1144       (setq nbb (point))
1145       (cond (children)
1146             ((and body-is-visible
1147                   (functionp body-presentation-method))
1148              (funcall body-presentation-method entity situation))
1149             (t
1150              ;; When both body and button is not displayed,
1151              ;; there should be a button to indicate there's a part.
1152              (unless button-is-visible
1153                (goto-char (point-max))
1154                (mime-view-insert-entity-button entity
1155                                                ;; work around composite type
1156                                                (not (or children
1157                                                         body-is-visible))))
1158              (unless header-is-visible
1159                (goto-char (point-max))
1160                (insert "\n"))))
1161       (setq ne (point-max)))
1162     (put-text-property nb ne 'mime-view-entity entity)
1163     (put-text-property nb ne 'mime-view-situation situation)
1164     (put-text-property nbb ne 'mime-view-entity-body entity)
1165     (goto-char ne)
1166     (if (and children body-is-visible)
1167         (if (functionp body-presentation-method)
1168             (funcall body-presentation-method entity situation)
1169           (mime-display-multipart/mixed entity situation)))))
1170
1171 ;;; @ MIME viewer mode
1172 ;;;
1173
1174 (defconst mime-view-menu-title "MIME-View")
1175 (defconst mime-view-menu-list
1176   '((up          "Move to upper entity"    mime-preview-move-to-upper)
1177     (previous    "Move to previous entity" mime-preview-move-to-previous)
1178     (next        "Move to next entity"     mime-preview-move-to-next)
1179     (scroll-down "Scroll-down"             mime-preview-scroll-down-entity)
1180     (scroll-up   "Scroll-up"               mime-preview-scroll-up-entity)
1181     (play        "Play current entity"     mime-preview-play-current-entity)
1182     (extract     "Extract current entity"  mime-preview-extract-current-entity)
1183     (print       "Print current entity"    mime-preview-print-current-entity)
1184     (raw "View text without code conversion" mime-preview-inline)
1185     (text "View text with code conversion" mime-preview-text)
1186     (type "View internally as type" mime-preview-type))
1187   "Menu for MIME Viewer.")
1188
1189 (cond ((featurep 'xemacs)
1190        (defvar mime-view-xemacs-popup-menu
1191          (cons mime-view-menu-title
1192                (mapcar (function
1193                         (lambda (item)
1194                           (vector (nth 1 item)(nth 2 item) t)))
1195                        mime-view-menu-list)))
1196        (defun mime-view-xemacs-popup-menu (event)
1197          "Popup the menu in the MIME Viewer buffer"
1198          (interactive "e")
1199          (select-window (event-window event))
1200          (set-buffer (event-buffer event))
1201          (popup-menu 'mime-view-xemacs-popup-menu))
1202        (defvar mouse-button-2 'button2))
1203       (t
1204        (defvar mouse-button-2 [mouse-2])))
1205
1206 (defun mime-view-define-keymap (&optional default)
1207   (let ((mime-view-mode-map (if (keymapp default)
1208                                 (copy-keymap default)
1209                               (make-sparse-keymap))))
1210     (define-key mime-view-mode-map
1211       "u"        (function mime-preview-move-to-upper))
1212     (define-key mime-view-mode-map
1213       "p"        (function mime-preview-move-to-previous))
1214     (define-key mime-view-mode-map
1215       "n"        (function mime-preview-move-to-next))
1216     (define-key mime-view-mode-map
1217       "\e\t"     (function mime-preview-move-to-previous))
1218     (define-key mime-view-mode-map
1219       "\t"       (function mime-preview-move-to-next))
1220     (define-key mime-view-mode-map
1221       " "        (function mime-preview-scroll-up-entity))
1222     (define-key mime-view-mode-map
1223       "\M- "     (function mime-preview-scroll-down-entity))
1224     (define-key mime-view-mode-map
1225       "\177"     (function mime-preview-scroll-down-entity))
1226     (define-key mime-view-mode-map
1227       "\C-m"     (function mime-preview-next-line-entity))
1228     (define-key mime-view-mode-map
1229       "\C-\M-m"  (function mime-preview-previous-line-entity))
1230     (define-key mime-view-mode-map
1231       "v"        (function mime-preview-play-current-entity))
1232     (define-key mime-view-mode-map
1233       "e"        (function mime-preview-extract-current-entity))
1234     (define-key mime-view-mode-map
1235       "\C-c\C-e"        (function mime-preview-extract-current-entity))
1236     (define-key mime-view-mode-map
1237       "i"        (function mime-preview-inline))
1238     (define-key mime-view-mode-map
1239       "c"        (function mime-preview-text))
1240     (define-key mime-view-mode-map
1241       "t"        (function mime-preview-type))
1242     (define-key mime-view-mode-map
1243       "b"        (function mime-preview-buttonize))
1244     (define-key mime-view-mode-map
1245       "B"        (function mime-preview-unbuttonize))
1246     (define-key mime-view-mode-map
1247       "\C-c\C-t\C-h" (function mime-preview-toggle-header))
1248     (define-key mime-view-mode-map
1249       "\C-c\C-th" (function mime-preview-toggle-header))
1250     (define-key mime-view-mode-map
1251       "\C-c\C-t\C-c" (function mime-preview-toggle-content))
1252     (define-key mime-view-mode-map
1253       "\C-c\C-tc" (function mime-preview-toggle-content))
1254     (define-key mime-view-mode-map
1255       "\C-c\C-tH" (function mime-preview-toggle-all-header))
1256     (define-key mime-view-mode-map
1257       "\C-c\C-tb" (function mime-preview-toggle-button))
1258     (define-key mime-view-mode-map
1259       "\C-c\C-p" (function mime-preview-print-current-entity))
1260     (define-key mime-view-mode-map
1261       "a"        (function mime-preview-follow-current-entity))
1262     (define-key mime-view-mode-map
1263       "q"        (function mime-preview-quit))
1264     (define-key mime-view-mode-map
1265       "\C-c\C-x" (function mime-preview-kill-buffer))
1266     ;; (define-key mime-view-mode-map
1267     ;;   "<"        (function beginning-of-buffer))
1268     ;; (define-key mime-view-mode-map
1269     ;;   ">"        (function end-of-buffer))
1270     (define-key mime-view-mode-map
1271       "?"        (function describe-mode))
1272     (define-key mime-view-mode-map
1273       [tab] (function mime-preview-move-to-next))
1274     (define-key mime-view-mode-map
1275       [delete] (function mime-preview-scroll-down-entity))
1276     (define-key mime-view-mode-map
1277       [backspace] (function mime-preview-scroll-down-entity))
1278     (if (functionp default)
1279         (cond ((featurep 'xemacs)
1280                (set-keymap-default-binding mime-view-mode-map default))
1281               (t
1282                (setq mime-view-mode-map
1283                      (append mime-view-mode-map (list (cons t default)))))))
1284     (if mouse-button-2
1285         (define-key mime-view-mode-map
1286           mouse-button-2 (function mime-button-dispatcher)))
1287     (cond ((featurep 'xemacs)
1288            (define-key mime-view-mode-map
1289              mouse-button-3 (function mime-view-xemacs-popup-menu)))
1290           ((>= emacs-major-version 19)
1291            (define-key mime-view-mode-map [menu-bar mime-view]
1292              (cons mime-view-menu-title
1293                    (make-sparse-keymap mime-view-menu-title)))
1294            (mapcar (function
1295                     (lambda (item)
1296                       (define-key mime-view-mode-map
1297                         (vector 'menu-bar 'mime-view (car item))
1298                         (cons (nth 1 item)(nth 2 item)))))
1299                    (reverse mime-view-menu-list))))
1300     (use-local-map mime-view-mode-map)
1301     (run-hooks 'mime-view-define-keymap-hook)))
1302
1303 (defsubst mime-maybe-hide-echo-buffer ()
1304   "Clear mime-echo buffer and delete window for it."
1305   (let ((buf (get-buffer mime-echo-buffer-name)))
1306     (if buf
1307         (save-excursion
1308           (set-buffer buf)
1309           (erase-buffer)
1310           (let ((win (get-buffer-window buf)))
1311             (if win
1312                 (delete-window win)))
1313           (bury-buffer buf)))))
1314
1315 (defvar mime-view-redisplay nil)
1316
1317 ;;;###autoload
1318 (defun mime-display-message (message &optional preview-buffer
1319                                      mother default-keymap-or-function
1320                                      original-major-mode)
1321   "View MESSAGE in MIME-View mode.
1322
1323 Optional argument PREVIEW-BUFFER specifies the buffer of the
1324 presentation.  It must be either nil or a name of preview buffer.
1325
1326 Optional argument MOTHER specifies mother-buffer of the preview-buffer.
1327
1328 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1329 function.  If it is a keymap, keymap of MIME-View mode will be added
1330 to it.  If it is a function, it will be bound as default binding of
1331 keymap of MIME-View mode."
1332   (mime-maybe-hide-echo-buffer)
1333   (let ((win-conf (current-window-configuration)))
1334     (or preview-buffer
1335         (setq preview-buffer
1336               (concat "*Preview-" (mime-entity-name message) "*")))
1337     (or original-major-mode
1338         (setq original-major-mode major-mode))
1339     (let ((inhibit-read-only t))
1340       (set-buffer (get-buffer-create preview-buffer))
1341       (widen)
1342       (erase-buffer)
1343       (if mother
1344           (setq mime-mother-buffer mother))
1345       (setq mime-preview-original-window-configuration win-conf)
1346       (setq major-mode 'mime-view-mode)
1347       (setq mode-name "MIME-View")
1348       (mime-display-entity message nil
1349                            `((entity-button . invisible)
1350                              (header . visible)
1351                              (major-mode . ,original-major-mode))
1352                            preview-buffer)
1353       (mime-view-define-keymap default-keymap-or-function)
1354       (set (make-local-variable 'line-move-ignore-invisible) t)
1355       (let ((point
1356              (next-single-property-change (point-min) 'mime-view-entity)))
1357         (if point
1358             (goto-char point)
1359           (goto-char (point-min))
1360           (search-forward "\n\n" nil t)))
1361       (run-hooks 'mime-view-mode-hook)
1362       (set-buffer-modified-p nil)
1363       (setq buffer-read-only t)
1364       preview-buffer)))
1365
1366 ;;;###autoload
1367 (defun mime-view-buffer (&optional raw-buffer preview-buffer mother
1368                                    default-keymap-or-function
1369                                    representation-type)
1370   "View RAW-BUFFER in MIME-View mode.
1371 Optional argument PREVIEW-BUFFER is either nil or a name of preview
1372 buffer.
1373 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1374 function.  If it is a keymap, keymap of MIME-View mode will be added
1375 to it.  If it is a function, it will be bound as default binding of
1376 keymap of MIME-View mode.
1377 Optional argument REPRESENTATION-TYPE is representation-type of
1378 message.  It must be nil, `binary' or `cooked'.  If it is nil,
1379 `cooked' is used as default."
1380   (interactive)
1381   (or raw-buffer
1382       (setq raw-buffer (current-buffer)))
1383   (or representation-type
1384       (setq representation-type
1385             (save-excursion
1386               (set-buffer raw-buffer)
1387               (cdr (or (assq major-mode mime-raw-representation-type-alist)
1388                        (assq t mime-raw-representation-type-alist))))))
1389   (if (eq representation-type 'binary)
1390       (setq representation-type 'buffer))
1391   (setq preview-buffer (mime-display-message
1392                         (mime-open-entity representation-type raw-buffer)
1393                         preview-buffer mother default-keymap-or-function))
1394   (or (get-buffer-window preview-buffer)
1395       (let ((r-win (get-buffer-window raw-buffer)))
1396         (if r-win
1397             (set-window-buffer r-win preview-buffer)
1398           (let ((m-win (and mother (get-buffer-window mother))))
1399             (if m-win
1400                 (set-window-buffer m-win preview-buffer)
1401               (switch-to-buffer preview-buffer)))))))
1402
1403 (defun mime-view-mode (&optional mother ctl encoding
1404                                  raw-buffer preview-buffer
1405                                  default-keymap-or-function)
1406   "Major mode for viewing MIME message.
1407
1408 Here is a list of the standard keys for mime-view-mode.
1409
1410 key             feature
1411 ---             -------
1412
1413 u               Move to upper content
1414 p or M-TAB      Move to previous content
1415 n or TAB        Move to next content
1416 SPC             Scroll up or move to next content
1417 M-SPC or DEL    Scroll down or move to previous content
1418 RET             Move to next line
1419 M-RET           Move to previous line
1420 v               Decode current content as `play mode'
1421 e               Decode current content as `extract mode'
1422 C-c C-p         Decode current content as `print mode'
1423 a               Followup to current content.
1424 q               Quit
1425 button-2        Move to point under the mouse cursor
1426                 and decode current content as `play mode'"
1427   (interactive)
1428   (unless mime-view-redisplay
1429     (save-excursion
1430       (if raw-buffer (set-buffer raw-buffer))
1431       (let ((type
1432              (cdr
1433               (or (assq major-mode mime-raw-representation-type-alist)
1434                   (assq t mime-raw-representation-type-alist)))))
1435         (if (eq type 'binary)
1436             (setq type 'buffer))
1437         (setq mime-message-structure (mime-open-entity type raw-buffer))
1438         (or (mime-entity-content-type mime-message-structure)
1439             (mime-entity-set-content-type-internal
1440              mime-message-structure ctl)))
1441       (or (mime-entity-encoding mime-message-structure)
1442           (mime-entity-set-encoding-internal mime-message-structure encoding))))
1443   (mime-display-message mime-message-structure preview-buffer
1444                         mother default-keymap-or-function))
1445
1446
1447 ;;; @@ playing
1448 ;;;
1449
1450 (autoload 'mime-preview-play-current-entity "mime-play"
1451   "Play current entity." t)
1452
1453 (defun mime-preview-extract-current-entity (&optional ignore-examples)
1454   "Extract current entity into file (maybe).
1455 It decodes current entity to call internal or external method as
1456 \"extract\" mode.  The method is selected from variable
1457 `mime-acting-condition'."
1458   (interactive "P")
1459   (mime-preview-play-current-entity ignore-examples "extract"))
1460
1461 (defun mime-preview-print-current-entity (&optional ignore-examples)
1462   "Print current entity (maybe).
1463 It decodes current entity to call internal or external method as
1464 \"print\" mode.  The method is selected from variable
1465 `mime-acting-condition'."
1466   (interactive "P")
1467   (mime-preview-play-current-entity ignore-examples "print"))
1468
1469
1470 ;;; @@ following
1471 ;;;
1472
1473 (defun mime-preview-follow-current-entity ()
1474   "Write follow message to current entity.
1475 It calls following-method selected from variable
1476 `mime-preview-following-method-alist'."
1477   (interactive)
1478   (let (entity position entity-node-id header-exists)
1479     (while (null (setq entity
1480                        (get-text-property (point) 'mime-view-entity)))
1481       (backward-char))
1482     (setq position (mime-preview-entity-boundary))
1483     (setq entity-node-id (mime-entity-node-id entity)
1484           header-exists
1485           ;; When on an invisible entity, there's no header.
1486           (or (mime-view-header-is-visible
1487                (get-text-property (car position) 'mime-view-situation))
1488               ;; We are on a rfc822 button.
1489               (and (eq 'message (mime-entity-media-type
1490                                  entity))
1491                    (eq 'rfc822 (mime-entity-media-subtype
1492                                 entity))
1493                    (get-text-property
1494                     (next-single-property-change
1495                      (car position) 'mime-button-callback
1496                      nil (point-max))
1497                     'mime-view-entity-header))))
1498     (let* ((mode (mime-preview-original-major-mode 'recursive))
1499            (new-name
1500             (format "%s-%s" (buffer-name) (reverse entity-node-id)))
1501            new-buf
1502            (the-buf (current-buffer))
1503            fields)
1504       (save-excursion
1505         (set-buffer (setq new-buf (get-buffer-create new-name)))
1506         (erase-buffer)
1507         ;; Compatibility kludge.
1508         ;; FSF Emacs can only take substring of current-buffer.
1509         (insert
1510          (save-excursion
1511            (set-buffer the-buf)
1512            (buffer-substring-no-properties (car position)
1513                                            (cdr position))))
1514         (if header-exists
1515             (delete-region (goto-char (point-min))
1516                            (re-search-forward "^$"))
1517           (insert "\n"))
1518         (goto-char (point-min))
1519         (let ((current-entity
1520                (if (and (eq (mime-entity-media-type entity) 'message)
1521                         (eq (mime-entity-media-subtype entity) 'rfc822))
1522                    (car (mime-entity-children entity))
1523                  entity)))
1524           (while (and current-entity
1525                       (if (and (eq (mime-entity-media-type
1526                                     current-entity) 'message)
1527                                (eq (mime-entity-media-subtype
1528                                     current-entity) 'rfc822))
1529                           nil
1530                         (mime-insert-header current-entity fields)
1531                         t))
1532             (setq fields (std11-collect-field-names)
1533                   current-entity (mime-entity-parent current-entity))))
1534         (let ((rest mime-view-following-required-fields-list)
1535               field-name ret)
1536           (while rest
1537             (setq field-name (car rest))
1538             (or (std11-field-body field-name)
1539                 (progn
1540                   (save-excursion
1541                     (set-buffer the-buf)
1542                     (let ((entity (when mime-mother-buffer
1543                                     (set-buffer mime-mother-buffer)
1544                                     (get-text-property (point)
1545                                                        'mime-view-entity))))
1546                       (while (and entity
1547                                   (null (setq ret (mime-entity-fetch-field
1548                                                    entity field-name))))
1549                         (setq entity (mime-entity-parent entity)))))
1550                   (if ret
1551                       (insert (concat field-name ": " ret "\n")))))
1552             (setq rest (cdr rest))))
1553         (mime-decode-header-in-buffer))
1554       (let ((f (cdr (assq mode mime-preview-following-method-alist))))
1555         (if (functionp f)
1556             (funcall f new-buf)
1557           (message
1558            (format
1559             "Sorry, following method for %s is not implemented yet."
1560             mode)))))))
1561
1562
1563 ;;; @@ moving
1564 ;;;
1565
1566 (defun mime-preview-move-to-upper ()
1567   "Move to upper entity.
1568 If there is no upper entity, call function `mime-preview-quit'."
1569   (interactive)
1570   (let (cinfo)
1571     (while (null (setq cinfo
1572                        (get-text-property (point) 'mime-view-entity)))
1573       (backward-char))
1574     (let ((r (mime-entity-parent cinfo))
1575           point)
1576       (catch 'tag
1577         (while (setq point (previous-single-property-change
1578                             (point) 'mime-view-entity))
1579           (goto-char point)
1580           (when (eq r (get-text-property (point) 'mime-view-entity))
1581             (if (or (eq mime-preview-move-scroll t)
1582                     (and mime-preview-move-scroll
1583                          (>= point
1584                              (save-excursion
1585                                (move-to-window-line -1)
1586                                (forward-line (* -1 next-screen-context-lines))
1587                                (beginning-of-line)
1588                                (point)))))
1589                 (recenter next-screen-context-lines))
1590             (throw 'tag t)))
1591         (mime-preview-quit)))))
1592
1593 (defun mime-preview-move-to-previous ()
1594   "Move to previous entity.
1595 If there is no previous entity, it calls function registered in
1596 variable `mime-preview-over-to-previous-method-alist'."
1597   (interactive)
1598   (while (and (not (bobp))
1599               (null (get-text-property (point) 'mime-view-entity)))
1600     (backward-char))
1601   (let ((point (previous-single-property-change (point) 'mime-view-entity)))
1602     (if (and point
1603              (>= point (point-min)))
1604         (if (get-text-property (1- point) 'mime-view-entity)
1605             (progn (goto-char point)
1606                    (if
1607                     (or (eq mime-preview-move-scroll t)
1608                         (and mime-preview-move-scroll
1609                              (<= point
1610                                 (save-excursion
1611                                   (move-to-window-line 0)
1612                                   (forward-line next-screen-context-lines)
1613                                   (end-of-line)
1614                                   (point)))))
1615                         (recenter next-screen-context-lines)))
1616           (goto-char (1- point))
1617           (mime-preview-move-to-previous))
1618       (let ((f (assq (mime-preview-original-major-mode)
1619                      mime-preview-over-to-previous-method-alist)))
1620         (if f
1621             (funcall (cdr f)))))))
1622
1623 (defun mime-preview-move-to-next ()
1624   "Move to next entity.
1625 If there is no previous entity, it calls function registered in
1626 variable `mime-preview-over-to-next-method-alist'."
1627   (interactive)
1628   (while (and (not (eobp))
1629               (null (get-text-property (point) 'mime-view-entity)))
1630     (forward-char))
1631   (let ((point (next-single-property-change (point) 'mime-view-entity)))
1632     (if (and point
1633              (<= point (point-max)))
1634         (progn
1635           (goto-char point)
1636           (if (null (get-text-property point 'mime-view-entity))
1637               (mime-preview-move-to-next)
1638             (and
1639              (or (eq mime-preview-move-scroll t)
1640                  (and mime-preview-move-scroll
1641                       (>= point
1642                          (save-excursion
1643                            (move-to-window-line -1)
1644                            (forward-line
1645                             (* -1 next-screen-context-lines))
1646                            (beginning-of-line)
1647                            (point)))))
1648                  (recenter next-screen-context-lines))))
1649       (let ((f (assq (mime-preview-original-major-mode)
1650                      mime-preview-over-to-next-method-alist)))
1651         (if f
1652             (funcall (cdr f)))))))
1653
1654 (defun mime-preview-scroll-up-entity (&optional h)
1655   "Scroll up current entity.
1656 If reached to (point-max), it calls function registered in variable
1657 `mime-preview-over-to-next-method-alist'."
1658   (interactive)
1659   (if (eobp)
1660       (let ((f (assq (mime-preview-original-major-mode)
1661                      mime-preview-over-to-next-method-alist)))
1662         (if f
1663             (funcall (cdr f))))
1664     (let ((point
1665            (or (next-single-property-change (point) 'mime-view-entity)
1666                (point-max)))
1667           (bottom (window-end (selected-window))))
1668       (if (and (not h)
1669                (> bottom point)
1670                (not mime-preview-scroll-full-screen))
1671           (progn (goto-char point)
1672                  (recenter next-screen-context-lines))
1673         (condition-case nil
1674             (scroll-up h)
1675           (end-of-buffer
1676            (goto-char (point-max))))))))
1677
1678 (defun mime-preview-scroll-down-entity (&optional h)
1679   "Scroll down current entity.
1680 If reached to (point-min), it calls function registered in variable
1681 `mime-preview-over-to-previous-method-alist'."
1682   (interactive)
1683   (if (bobp)
1684       (let ((f (assq (mime-preview-original-major-mode)
1685                      mime-preview-over-to-previous-method-alist)))
1686         (if f
1687             (funcall (cdr f))))
1688     (let ((point
1689            (or (previous-single-property-change (point) 'mime-view-entity)
1690                (point-min)))
1691           (top (window-start (selected-window))))
1692       (if (and (not h)
1693                (< top point)
1694                (not mime-preview-scroll-full-screen))
1695           (progn (goto-char point)
1696                  (recenter (* -1 next-screen-context-lines)))
1697         (condition-case nil
1698             (scroll-down h)
1699           (beginning-of-buffer
1700            (goto-char (point-min))))))))
1701
1702 (defun mime-preview-next-line-entity (&optional lines)
1703   "Scroll up one line (or prefix LINES lines).
1704 If LINES is negative, scroll down LINES lines."
1705   (interactive "p")
1706   (mime-preview-scroll-up-entity (or lines 1)))
1707
1708 (defun mime-preview-previous-line-entity (&optional lines)
1709   "Scrroll down one line (or prefix LINES lines).
1710 If LINES is negative, scroll up LINES lines."
1711   (interactive "p")
1712   (mime-preview-scroll-down-entity (or lines 1)))
1713
1714 (defun mime-preview-entity-boundary (&optional point)
1715   (or point
1716       (setq point (point)))
1717   (and (eq point (point-max))
1718        (setq point (1- (point-max))))
1719   (let ((entity (get-text-property point 'mime-view-entity))
1720         (start (previous-single-property-change (1+ point) 'mime-view-entity
1721                                                 nil (point-min)))
1722         (end point)
1723         done)
1724     (while (and (mime-entity-children entity)
1725                 (not done))
1726       (if (not (mime-view-body-is-visible
1727                 (get-text-property point 'mime-view-situation)))
1728           (setq done t)
1729         ;; If the part is shown, search the last part.
1730         (let ((child (car (last (mime-entity-children entity)))))
1731           (while (not (eq (get-text-property point 'mime-view-entity) child))
1732             (setq point (next-single-property-change point 'mime-view-entity)))
1733           (setq entity child))))
1734     (setq end (next-single-property-change point 'mime-view-entity
1735                                                  nil (point-max)))
1736     (cons start end)))
1737
1738 (defun mime-preview-toggle-header (&optional show)
1739   "Toggle display of entity header.
1740 When prefix is given, it always displays the header."
1741   (interactive "P")
1742   (let ((inhibit-read-only t)
1743         (mime-view-force-inline-types t)
1744         (position (mime-preview-entity-boundary))
1745         entity header-is-visible situation)
1746     (setq entity (get-text-property (car position) 'mime-view-entity)
1747           situation (get-text-property (car position) 'mime-view-situation))
1748     (setq header-is-visible (mime-view-header-is-visible situation))
1749     (save-excursion
1750       (delete-region (car position) (cdr position))
1751       (if (or show (not header-is-visible))
1752           (mime-display-entity
1753            entity
1754            (del-alist '*entity-button
1755                       (put-alist '*header 'visible
1756                                  situation)))
1757         (mime-display-entity
1758          entity
1759          (put-alist '*entity-button
1760                     'visible
1761                     (put-alist '*header 'invisible
1762                                situation)))))))
1763
1764 (defun mime-preview-toggle-all-header (&optional show)
1765   "Toggle display of entity header.
1766 When prefix is given, it always displays the header."
1767   (interactive "P")
1768   (let ((inhibit-read-only t)
1769         (mime-view-force-inline-types t)
1770         (position (mime-preview-entity-boundary))
1771         entity header-is-visible situation)
1772     (setq entity (get-text-property (car position) 'mime-view-entity)
1773           situation (get-text-property (car position) 'mime-view-situation))
1774     (setq header-is-visible (mime-view-header-is-visible situation))
1775     (save-excursion
1776       (delete-region (car position) (cdr position))
1777       (if (or show (not header-is-visible))
1778           (mime-display-entity
1779            entity
1780            (del-alist '*entity-button
1781                       (del-alist '*header
1782                                  (del-alist '*header-presentation-method
1783                                             situation))))
1784         (mime-display-entity
1785          entity
1786          (put-alist
1787           '*entity-button
1788           'visible
1789           (put-alist
1790            '*header 'invisible
1791            (put-alist '*header-presentation-method
1792                       #'(lambda (entity situation)
1793                           (mime-insert-header
1794                            entity nil '(".*")))
1795                       situation))))))))
1796
1797 (defun mime-preview-toggle-content (&optional show)
1798   "Toggle display of entity body.
1799 When prefix is given, it always displays the content."
1800   (interactive "P")
1801   (let ((inhibit-read-only t)
1802         (mime-view-force-inline-types t)
1803         (position (mime-preview-entity-boundary))
1804         entity situation)
1805     (setq entity (get-text-property (car position) 'mime-view-entity)
1806           situation (get-text-property (car position) 'mime-view-situation))
1807     (setq situation
1808           (if (or show (not (mime-view-body-is-visible situation)))
1809               (del-alist
1810                '*entity-button
1811                (put-alist '*body 'visible situation))
1812             (put-alist
1813              '*entity-button 'visible
1814              (put-alist '*body 'invisible situation))))
1815     (save-excursion
1816       (delete-region (car position) (cdr position))
1817       (mime-display-entity entity situation))))
1818
1819 (defun mime-preview-toggle-button (&optional show)
1820   "Toggle display of entity button.
1821 When prefix is given, it always displays the content."
1822   (interactive "P")
1823   (let ((inhibit-read-only t)
1824         (mime-view-force-inline-types t)
1825         (position (mime-preview-entity-boundary))
1826         entity situation button-is-visible)
1827     (setq entity (get-text-property (car position) 'mime-view-entity)
1828           situation (get-text-property (car position) 'mime-view-situation)
1829           button-is-visible (mime-view-button-is-visible situation))
1830     (save-excursion
1831       (delete-region (car position) (cdr position))
1832       (if (or show (not button-is-visible))
1833           (mime-display-entity entity
1834                                (put-alist '*entity-button
1835                                           'visible situation))
1836         (mime-display-entity entity
1837                              (put-alist '*entity-button
1838                                         'invisible situation))))))
1839
1840 ;;; @@ quitting
1841 ;;;
1842
1843 (defun mime-preview-quit ()
1844   "Quit from MIME-preview buffer.
1845 It calls function registered in variable
1846 `mime-preview-quitting-method-alist'."
1847   (interactive)
1848   (let ((r (assq (mime-preview-original-major-mode)
1849                  mime-preview-quitting-method-alist)))
1850     (if r
1851         (funcall (cdr r))
1852       (kill-buffer (current-buffer)))))
1853
1854 (defun mime-preview-kill-buffer ()
1855   (interactive)
1856   (kill-buffer (current-buffer)))
1857
1858
1859 ;;; @ end
1860 ;;;
1861
1862 (provide 'mime-view)
1863
1864 (run-hooks 'mime-view-load-hook)
1865
1866 ;;; mime-view.el ends here