1 ;;; mime-view.el --- interactive MIME viewer for GNU Emacs
3 ;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
7 ;; Renamed: 1994/08/31 from tm-body.el
8 ;; Renamed: 1997/02/19 from tm-view.el
9 ;; Keywords: MIME, multimedia, mail, news
11 ;; This file is part of SEMI (Sample of Elastic MIME Interfaces).
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.
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.
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.
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) ")"))
51 (defgroup mime-view nil
55 (defcustom mime-situation-examples-file "~/.mime-example"
56 "*File name of situation-examples demonstrated by user."
60 (defcustom mime-preview-move-scroll nil
61 "*Decides whether to scroll when moving to next entity.
62 When t, scroll the buffer. Non-nil but not t means scroll when
63 the next entity is within next-screen-context-lines from top or
64 buttom. Nil means don't scroll at all."
66 :type '(choice (const :tag "Off" nil)
68 (sexp :tag "Situation" 1)))
71 ;;; @ in raw-buffer (representation space)
74 (defvar mime-preview-buffer nil
75 "MIME-preview buffer corresponding with the (raw) buffer.")
76 (make-variable-buffer-local 'mime-preview-buffer)
79 (defvar mime-raw-representation-type-alist
80 '((mime-show-message-mode . binary)
81 (mime-temp-message-mode . binary)
84 "Alist of major-mode vs. representation-type of mime-raw-buffer.
85 Each element looks like (SYMBOL . REPRESENTATION-TYPE). SYMBOL is
86 major-mode or t. t means default. REPRESENTATION-TYPE must be
87 `binary' or `cooked'.")
90 ;;; @ in preview-buffer (presentation space)
93 (defvar mime-mother-buffer nil
94 "Mother buffer corresponding with the (MIME-preview) buffer.
95 If current MIME-preview buffer is generated by other buffer, such as
96 message/partial, it is called `mother-buffer'.")
97 (make-variable-buffer-local 'mime-mother-buffer)
99 ;; (defvar mime-raw-buffer nil
100 ;; "Raw buffer corresponding with the (MIME-preview) buffer.")
101 ;; (make-variable-buffer-local 'mime-raw-buffer)
103 (defvar mime-preview-original-window-configuration nil
104 "Window-configuration before mime-view-mode is called.")
105 (make-variable-buffer-local 'mime-preview-original-window-configuration)
107 (defun mime-preview-original-major-mode (&optional recursive point)
108 "Return major-mode of original buffer.
109 If optional argument RECURSIVE is non-nil and current buffer has
110 mime-mother-buffer, it returns original major-mode of the
112 (if (and recursive mime-mother-buffer)
114 (set-buffer mime-mother-buffer)
115 (mime-preview-original-major-mode recursive)
117 (cdr (assq 'major-mode
118 (get-text-property (or point
119 (if (> (point) (buffer-size))
120 (max (1- (point-max)) (point-min))
122 'mime-view-situation)))))
125 ;;; @ entity information
128 (defun mime-entity-situation (entity &optional situation)
129 "Return situation of ENTITY."
130 (let (rest param name)
132 (unless (assq 'type situation)
133 (setq rest (or (mime-entity-content-type entity)
134 (make-mime-content-type 'text 'plain))
135 situation (cons (car rest) situation)
138 (unless (assq 'subtype situation)
140 (setq rest (or (cdr (mime-entity-content-type entity))
141 '((subtype . plain)))))
142 (setq situation (cons (car rest) situation)
146 (setq param (car rest))
147 (or (assoc (car param) situation)
148 (setq situation (cons param situation)))
149 (setq rest (cdr rest)))
151 ;; Content-Disposition
153 (unless (assq 'disposition-type situation)
154 (setq rest (mime-entity-content-disposition entity))
156 (setq situation (cons (cons 'disposition-type
157 (mime-content-disposition-type rest))
159 rest (mime-content-disposition-parameters rest))
162 (setq param (car rest)
164 (if (cond ((string= name "filename")
165 (if (assq 'filename situation)
167 (setq name 'filename)))
168 ((string= name "creation-date")
169 (if (assq 'creation-date situation)
171 (setq name 'creation-date)))
172 ((string= name "modification-date")
173 (if (assq 'modification-date situation)
175 (setq name 'modification-date)))
176 ((string= name "read-date")
177 (if (assq 'read-date situation)
179 (setq name 'read-date)))
180 ((string= name "size")
181 (if (assq 'size situation)
184 (t (setq name (cons 'disposition name))
185 (if (assoc name situation)
189 (cons (cons name (cdr param))
191 (setq rest (cdr rest)))
193 ;; Content-Transfer-Encoding
194 (or (assq 'encoding situation)
196 (cons (cons 'encoding (or (mime-entity-encoding entity)
202 (defsubst mime-delq-null-situation (situations field
203 &rest ignored-values)
206 (let* ((situation (car situations))
207 (cell (assq field situation)))
209 (or (memq (cdr cell) ignored-values)
210 (setq dest (cons situation dest))
212 (setq situations (cdr situations)))
215 (defun mime-compare-situation-with-example (situation example)
216 (let ((example (copy-alist example))
219 (let* ((cell (car situation))
221 (ecell (assoc key example)))
223 (if (equal cell ecell)
224 (setq match (1+ match))
225 (setq example (delq ecell example))
228 (setq situation (cdr situation))
233 (defun mime-sort-situation (situation)
243 (disposition-type . 6)
247 (let ((ret (assq a-t order)))
249 (setq a-order (cdr ret))
255 (let ((ret (assq b-t order)))
257 (setq b-order (cdr ret))
262 (if (= a-order b-order)
263 (string< (format "%s" a-t)(format "%s" b-t))
268 (defun mime-unify-situations (entity-situation
269 condition situation-examples
270 &optional required-name ignored-value
273 (in-calist-package 'mime-view)
275 (ctree-find-calist condition entity-situation
278 (setq ret (mime-delq-null-situation ret required-name
280 (or (assq 'ignore-examples entity-situation)
288 (let ((situation (car rest))
289 (examples situation-examples))
292 (mime-compare-situation-with-example
293 situation (caar examples)))
294 (ret-score (car ret)))
295 (cond ((> ret-score max-score)
296 (setq max-score ret-score
297 max-escore (cdar examples)
298 max-examples (list (cdr ret))
299 max-situations (list situation))
301 ((= ret-score max-score)
302 (cond ((> (cdar examples) max-escore)
303 (setq max-escore (cdar examples)
304 max-examples (list (cdr ret))
305 max-situations (list situation))
307 ((= (cdar examples) max-escore)
309 (cons (cdr ret) max-examples))
310 (or (member situation max-situations)
312 (cons situation max-situations)))
314 (setq examples (cdr examples))))
315 (setq rest (cdr rest)))
317 (setq ret max-situations)
319 (let* ((example (car max-examples))
321 (assoc example situation-examples)))
323 (setcdr cell (1+ (cdr cell)))
324 (setq situation-examples
325 (cons (cons example 0)
328 (setq max-examples (cdr max-examples))
330 (cons ret situation-examples)
331 ;; ret: list of situations
332 ;; situation-examples: new examples (notoce that contents of
333 ;; argument `situation-examples' has bees modified)
336 (defun mime-view-entity-title (entity)
337 (or (mime-entity-read-field entity 'Content-Description)
338 (mime-entity-read-field entity 'Subject)
339 (mime-entity-filename entity)
342 (defvar mime-preview-situation-example-list nil)
343 (defvar mime-preview-situation-example-list-max-size 16)
344 ;; (defvar mime-preview-situation-example-condition nil)
346 (defun mime-find-entity-preview-situation (entity
347 &optional default-situation)
349 (mime-unify-situations
350 (append (mime-entity-situation entity)
352 mime-preview-condition
353 mime-preview-situation-example-list)))
354 (setq mime-preview-situation-example-list
360 (defvar mime-acting-situation-example-list nil)
361 (defvar mime-acting-situation-example-list-max-size 16)
362 (defvar mime-situation-examples-file-coding-system nil)
364 (defun mime-save-situation-examples ()
365 (if (or mime-preview-situation-example-list
366 mime-acting-situation-example-list)
367 (let ((file mime-situation-examples-file))
369 (insert ";;; " (file-name-nondirectory file) "\n")
370 (insert "\n;; This file is generated automatically by "
371 mime-view-version "\n\n")
372 (insert ";;; Code:\n\n")
373 (if mime-preview-situation-example-list
374 (pp `(setq mime-preview-situation-example-list
375 ',mime-preview-situation-example-list)
377 (if mime-acting-situation-example-list
378 (pp `(setq mime-acting-situation-example-list
379 ',mime-acting-situation-example-list)
382 (file-name-nondirectory file)
385 ((boundp 'buffer-file-coding-system)
386 (setq buffer-file-coding-system
387 mime-situation-examples-file-coding-system))
388 ((boundp 'file-coding-system)
389 (setq file-coding-system
390 mime-situation-examples-file-coding-system)))
391 (setq buffer-file-name file)
394 (add-hook 'kill-emacs-hook 'mime-save-situation-examples)
396 (defun mime-reduce-situation-examples (situation-examples)
397 (let ((len (length situation-examples))
405 ir situation-examples)
409 jr situation-examples)
413 (setq ret (mime-compare-situation-with-example (car ic)(car jc))
415 det-ret (+ (length (car ic))(length (car jc)))
416 det-org (length (cdr ret))
417 freq (+ (cdr ic)(cdr jc)))
418 (cond ((< max-sim sim)
425 dest (cons (cdr ret) freq))
428 (cond ((> min-det-ret det-ret)
429 (setq min-det-ret det-ret
434 dest (cons (cdr ret) freq))
436 ((= min-det-ret det-ret)
437 (cond ((> min-det-org det-org)
438 (setq min-det-org det-org
442 dest (cons (cdr ret) freq))
444 ((= min-det-org det-org)
445 (cond ((> min-freq freq)
449 dest (cons (cdr ret) freq))
463 (setq jr (nthcdr (1- d-j) situation-examples))
464 (setcdr jr (cddr jr))
466 (setq situation-examples
467 (cdr situation-examples))
468 (setq ir (nthcdr (1- d-i) situation-examples))
469 (setcdr ir (cddr ir))
471 (if (setq ir (assoc (car dest) situation-examples))
473 (setcdr ir (+ (cdr ir)(cdr dest)))
475 (cons dest situation-examples)
476 ;; situation-examples may be modified.
480 ;;; @ presentation of preview
486 ;;; @@@ predicate function
489 ;; (defun mime-view-entity-button-visible-p (entity)
490 ;; "Return non-nil if header of ENTITY is visible.
491 ;; Please redefine this function if you want to change default setting."
492 ;; (let ((media-type (mime-entity-media-type entity))
493 ;; (media-subtype (mime-entity-media-subtype entity)))
494 ;; (or (not (eq media-type 'application))
495 ;; (and (not (eq media-subtype 'x-selection))
496 ;; (or (not (eq media-subtype 'octet-stream))
497 ;; (let ((mother-entity (mime-entity-parent entity)))
498 ;; (or (not (eq (mime-entity-media-type mother-entity)
500 ;; (not (eq (mime-entity-media-subtype mother-entity)
505 ;;; @@@ entity button generator
508 (defun mime-view-insert-entity-button (entity)
509 "Insert entity-button of ENTITY."
510 (let ((entity-node-id (mime-entity-node-id entity))
511 (params (mime-entity-parameters entity))
512 (subject (mime-view-entity-title entity)))
514 (let ((access-type (assoc "access-type" params))
515 (num (or (cdr (assoc "x-part-number" params))
516 (if (consp entity-node-id)
519 (format "%s" (1+ num))
521 (reverse entity-node-id) ".")
525 (let ((server (assoc "server" params)))
526 (setq access-type (cdr access-type))
528 (format "%s %s ([%s] %s)"
529 num subject access-type (cdr server))
530 (let ((site (cdr (assoc "site" params)))
531 (dir (cdr (assoc "directory" params)))
532 (url (cdr (assoc "url" params)))
535 (format "%s %s ([%s] %s)"
536 num subject access-type url)
537 (format "%s %s ([%s] %s:%s)"
538 num subject access-type site dir))
542 (let ((media-type (mime-entity-media-type entity))
543 (media-subtype (mime-entity-media-subtype entity))
544 (charset (cdr (assoc "charset" params)))
545 (encoding (mime-entity-encoding entity)))
549 (format " <%s/%s%s%s>"
550 media-type media-subtype
552 (concat "; " charset)
555 (concat " (" encoding ")")
557 (if (>= (+ (current-column)(length rest))(window-width))
561 (function mime-preview-play-current-entity))
568 (defvar mime-header-presentation-method-alist nil
569 "Alist of major mode vs. corresponding header-presentation-method functions.
570 Each element looks like (SYMBOL . FUNCTION).
571 SYMBOL must be major mode in raw-buffer or t. t means default.
572 Interface of FUNCTION must be (ENTITY SITUATION).")
574 (defvar mime-view-ignored-field-list
575 '(".*Received:" ".*Path:" ".*Id:" "^References:"
576 "^Replied:" "^Errors-To:"
577 "^Lines:" "^Sender:" ".*Host:" "^Xref:"
578 "^Content-Type:" "^Precedence:"
579 "^Status:" "^X-VM-.*:")
580 "All fields that match this list will be hidden in MIME preview buffer.
581 Each elements are regexp of field-name.")
583 (defvar mime-view-visible-field-list '("^Dnas.*:" "^Message-Id:")
584 "All fields that match this list will be displayed in MIME preview buffer.
585 Each elements are regexp of field-name.")
591 ;;; @@@ predicate function
594 (in-calist-package 'mime-view)
596 (defun mime-calist::field-match-method-as-default-rule (calist
597 field-type field-value)
598 (let ((s-field (assq field-type calist)))
599 (cond ((null s-field)
600 (cons (cons field-type field-value) calist)
604 (define-calist-field-match-method
605 'header #'mime-calist::field-match-method-as-default-rule)
607 (define-calist-field-match-method
608 'body #'mime-calist::field-match-method-as-default-rule)
611 (defvar mime-preview-condition nil
612 "Condition-tree about how to display entity.")
614 (ctree-set-calist-strictly
615 'mime-preview-condition '((type . application)(subtype . octet-stream)
618 (ctree-set-calist-strictly
619 'mime-preview-condition '((type . application)(subtype . octet-stream)
622 (ctree-set-calist-strictly
623 'mime-preview-condition '((type . application)(subtype . octet-stream)
627 (ctree-set-calist-strictly
628 'mime-preview-condition '((type . application)(subtype . pgp)
631 (ctree-set-calist-strictly
632 'mime-preview-condition '((type . application)(subtype . x-latex)
635 (ctree-set-calist-strictly
636 'mime-preview-condition '((type . application)(subtype . x-selection)
639 (ctree-set-calist-strictly
640 'mime-preview-condition '((type . application)(subtype . x-comment)
643 (ctree-set-calist-strictly
644 'mime-preview-condition '((type . message)(subtype . delivery-status)
647 (ctree-set-calist-strictly
648 'mime-preview-condition
650 (body-presentation-method . mime-display-text/plain)))
652 (ctree-set-calist-strictly
653 'mime-preview-condition
656 (body-presentation-method . mime-display-text/plain)))
658 (ctree-set-calist-strictly
659 'mime-preview-condition
660 '((type . text)(subtype . enriched)
662 (body-presentation-method . mime-display-text/enriched)))
664 (ctree-set-calist-strictly
665 'mime-preview-condition
666 '((type . text)(subtype . richtext)
668 (body-presentation-method . mime-display-text/richtext)))
670 (autoload 'mime-display-application/x-postpet "postpet")
672 (ctree-set-calist-strictly
673 'mime-preview-condition
674 '((type . application)(subtype . x-postpet)
676 (body-presentation-method . mime-display-application/x-postpet)))
678 (ctree-set-calist-strictly
679 'mime-preview-condition
680 '((type . text)(subtype . t)
682 (body-presentation-method . mime-display-text/plain)))
684 (ctree-set-calist-strictly
685 'mime-preview-condition
686 '((type . multipart)(subtype . alternative)
688 (body-presentation-method . mime-display-multipart/alternative)))
690 (ctree-set-calist-strictly
691 'mime-preview-condition
692 '((type . multipart)(subtype . t)
694 (body-presentation-method . mime-display-multipart/mixed)))
696 (ctree-set-calist-strictly
697 'mime-preview-condition
698 '((type . message)(subtype . partial)
700 (body-presentation-method . mime-display-message/partial-button)))
702 (ctree-set-calist-strictly
703 'mime-preview-condition
704 '((type . message)(subtype . rfc822)
706 (body-presentation-method . mime-display-multipart/mixed)
707 (childrens-situation (header . visible)
708 (entity-button . invisible))))
710 (ctree-set-calist-strictly
711 'mime-preview-condition
712 '((type . message)(subtype . news)
714 (body-presentation-method . mime-display-multipart/mixed)
715 (childrens-situation (header . visible)
716 (entity-button . invisible))))
719 ;;; @@@ entity presentation
722 (defun mime-display-text/plain (entity situation)
724 (narrow-to-region (point-max)(point-max))
725 (mime-insert-text-content entity)
726 (run-hooks 'mime-text-decode-hook)
727 (goto-char (point-max))
728 (if (not (eq (char-after (1- (point))) ?\n))
731 (mime-add-url-buttons)
732 (run-hooks 'mime-display-text/plain-hook)
735 (defun mime-display-text/richtext (entity situation)
737 (narrow-to-region (point-max)(point-max))
738 (mime-insert-text-content entity)
739 (run-hooks 'mime-text-decode-hook)
740 (let ((beg (point-min)))
741 (remove-text-properties beg (point-max) '(face nil))
742 (richtext-decode beg (point-max))
745 (defun mime-display-text/enriched (entity situation)
747 (narrow-to-region (point-max)(point-max))
748 (mime-insert-text-content entity)
749 (run-hooks 'mime-text-decode-hook)
750 (let ((beg (point-min)))
751 (remove-text-properties beg (point-max) '(face nil))
752 (enriched-decode beg (point-max))
756 (defvar mime-view-announcement-for-message/partial
757 (if (and (>= emacs-major-version 19) window-system)
759 \[[ This is message/partial style split message. ]]
760 \[[ Please press `v' key in this buffer ]]
761 \[[ or click here by mouse button-2. ]]"
763 \[[ This is message/partial style split message. ]]
764 \[[ Please press `v' key in this buffer. ]]"
767 (defun mime-display-message/partial-button (&optional entity situation)
769 (goto-char (point-max))
770 (if (not (search-backward "\n\n" nil t))
773 (goto-char (point-max))
774 (narrow-to-region (point-max)(point-max))
775 (insert mime-view-announcement-for-message/partial)
776 (mime-add-button (point-min)(point-max)
777 #'mime-preview-play-current-entity)
780 (defun mime-display-multipart/mixed (entity situation)
781 (let ((children (mime-entity-children entity))
782 (original-major-mode-cell (assq 'major-mode situation))
784 (cdr (assq 'childrens-situation situation))))
785 (if original-major-mode-cell
786 (setq default-situation
787 (cons original-major-mode-cell default-situation)))
789 (mime-display-entity (car children) nil default-situation)
790 (setq children (cdr children))
793 (defcustom mime-view-type-subtype-score-alist
794 '(((text . enriched) . 3)
795 ((text . richtext) . 2)
798 "Alist MEDIA-TYPE vs corresponding score.
799 MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t. t means default."
801 :type '(repeat (cons (choice :tag "Media-Type"
802 (cons :tag "Type/Subtype"
803 (symbol :tag "Primary-type")
804 (symbol :tag "Subtype"))
806 (const :tag "Default" t))
809 (defun mime-display-multipart/alternative (entity situation)
810 (let* ((children (mime-entity-children entity))
811 (original-major-mode-cell (assq 'major-mode situation))
813 (cdr (assq 'childrens-situation situation)))
818 (if original-major-mode-cell
819 (setq default-situation
820 (cons original-major-mode-cell default-situation)))
825 (mime-find-entity-preview-situation
826 child default-situation)))
827 (if (cdr (assq 'body-presentation-method situation))
832 (cdr (assq 'type situation))
833 (cdr (assq 'subtype situation)))
834 mime-view-type-subtype-score-alist)
836 (cdr (assq 'type situation))
837 mime-view-type-subtype-score-alist)
840 mime-view-type-subtype-score-alist)
842 (if (> score max-score)
852 (let ((child (car children))
853 (situation (car situations)))
854 (mime-display-entity child (if (= i p)
856 (put-alist 'body 'invisible
857 (copy-alist situation)))))
858 (setq children (cdr children)
859 situations (cdr situations)
863 ;;; @ acting-condition
866 (defvar mime-acting-condition nil
867 "Condition-tree about how to process entity.")
869 (if (file-readable-p mailcap-file)
870 (let ((entries (mailcap-parse-file)))
872 (let ((entry (car entries))
875 (let* ((field (car entry))
876 (field-type (car field)))
877 (cond ((eq field-type 'view) (setq view field))
878 ((eq field-type 'print) (setq print field))
879 ((memq field-type '(compose composetyped edit)))
880 (t (setq shared (cons field shared))))
882 (setq entry (cdr entry))
884 (setq shared (nreverse shared))
885 (ctree-set-calist-with-default
886 'mime-acting-condition
887 (append shared (list '(mode . "play")(cons 'method (cdr view)))))
889 (ctree-set-calist-with-default
890 'mime-acting-condition
892 (list '(mode . "print")(cons 'method (cdr view))))
895 (setq entries (cdr entries))
898 (ctree-set-calist-strictly
899 'mime-acting-condition
900 '((type . application)(subtype . octet-stream)
902 (method . mime-detect-content)
905 (ctree-set-calist-with-default
906 'mime-acting-condition
908 (method . mime-save-content)))
910 (ctree-set-calist-strictly
911 'mime-acting-condition
912 '((type . text)(subtype . x-rot13-47)(mode . "play")
913 (method . mime-view-caesar)
915 (ctree-set-calist-strictly
916 'mime-acting-condition
917 '((type . text)(subtype . x-rot13-47-48)(mode . "play")
918 (method . mime-view-caesar)
921 (ctree-set-calist-strictly
922 'mime-acting-condition
923 '((type . message)(subtype . rfc822)(mode . "play")
924 (method . mime-view-message/rfc822)
926 (ctree-set-calist-strictly
927 'mime-acting-condition
928 '((type . message)(subtype . partial)(mode . "play")
929 (method . mime-store-message/partial-piece)
932 (ctree-set-calist-strictly
933 'mime-acting-condition
934 '((type . message)(subtype . external-body)
935 ("access-type" . "anon-ftp")
936 (method . mime-view-message/external-anon-ftp)
939 (ctree-set-calist-strictly
940 'mime-acting-condition
941 '((type . message)(subtype . external-body)
942 ("access-type" . "url")
943 (method . mime-view-message/external-url)
946 (ctree-set-calist-strictly
947 'mime-acting-condition
948 '((type . application)(subtype . octet-stream)
949 (method . mime-save-content)
953 ;;; @ quitting method
956 (defvar mime-preview-quitting-method-alist
957 '((mime-show-message-mode
958 . mime-preview-quitting-method-for-mime-show-message-mode))
959 "Alist of major-mode vs. quitting-method of mime-view.")
961 (defvar mime-preview-over-to-previous-method-alist nil
962 "Alist of major-mode vs. over-to-previous-method of mime-view.")
964 (defvar mime-preview-over-to-next-method-alist nil
965 "Alist of major-mode vs. over-to-next-method of mime-view.")
968 ;;; @ following method
971 (defvar mime-preview-following-method-alist nil
972 "Alist of major-mode vs. following-method of mime-view.")
974 (defvar mime-view-following-required-fields-list
981 (defun mime-display-entity (entity &optional situation
982 default-situation preview-buffer)
984 (setq preview-buffer (current-buffer)))
985 (let* (e nb ne nhb nbb)
986 (in-calist-package 'mime-view)
989 (mime-find-entity-preview-situation entity default-situation)))
990 (let ((button-is-invisible
991 (eq (cdr (or (assq '*entity-button situation)
992 (assq 'entity-button situation)))
995 (eq (cdr (or (assq '*header situation)
996 (assq 'header situation)))
999 (eq (cdr (or (assq '*body situation)
1000 (assq 'body situation)))
1002 (children (mime-entity-children entity)))
1003 (set-buffer preview-buffer)
1005 (narrow-to-region nb nb)
1006 (or button-is-invisible
1007 ;; (if (mime-view-entity-button-visible-p entity)
1008 (mime-view-insert-entity-button entity)
1011 (if header-is-visible
1012 (let ((header-presentation-method
1013 (or (cdr (assq 'header-presentation-method situation))
1014 (cdr (assq (cdr (assq 'major-mode situation))
1015 mime-header-presentation-method-alist)))))
1017 (if header-presentation-method
1018 (funcall header-presentation-method entity situation)
1019 (mime-insert-header entity
1020 mime-view-ignored-field-list
1021 mime-view-visible-field-list))
1022 (run-hooks 'mime-display-header-hook)
1023 (put-text-property nhb (point-max) 'mime-view-entity-header entity)
1024 (goto-char (point-max))
1029 (let ((body-presentation-method
1030 (cdr (assq 'body-presentation-method situation))))
1031 (if (functionp body-presentation-method)
1032 (funcall body-presentation-method entity situation)
1033 (mime-display-text/plain entity situation)))
1034 (when button-is-invisible
1035 (goto-char (point-max))
1036 (mime-view-insert-entity-button entity)
1038 (unless header-is-visible
1039 (goto-char (point-max))
1042 (setq ne (point-max))
1044 (put-text-property nb ne 'mime-view-entity entity)
1045 (put-text-property nb ne 'mime-view-situation situation)
1046 (put-text-property nbb ne 'mime-view-entity-body entity)
1048 (if (and children body-is-visible)
1049 (let ((body-presentation-method
1050 (cdr (assq 'body-presentation-method situation))))
1051 (if (functionp body-presentation-method)
1052 (funcall body-presentation-method entity situation)
1053 (mime-display-multipart/mixed entity situation))))
1057 ;;; @ MIME viewer mode
1060 (defconst mime-view-menu-title "MIME-View")
1061 (defconst mime-view-menu-list
1062 '((up "Move to upper entity" mime-preview-move-to-upper)
1063 (previous "Move to previous entity" mime-preview-move-to-previous)
1064 (next "Move to next entity" mime-preview-move-to-next)
1065 (scroll-down "Scroll-down" mime-preview-scroll-down-entity)
1066 (scroll-up "Scroll-up" mime-preview-scroll-up-entity)
1067 (play "Play current entity" mime-preview-play-current-entity)
1068 (extract "Extract current entity" mime-preview-extract-current-entity)
1069 (print "Print current entity" mime-preview-print-current-entity)
1071 "Menu for MIME Viewer")
1073 (cond ((featurep 'xemacs)
1074 (defvar mime-view-xemacs-popup-menu
1075 (cons mime-view-menu-title
1078 (vector (nth 1 item)(nth 2 item) t)
1080 mime-view-menu-list)))
1081 (defun mime-view-xemacs-popup-menu (event)
1082 "Popup the menu in the MIME Viewer buffer"
1084 (select-window (event-window event))
1085 (set-buffer (event-buffer event))
1086 (popup-menu 'mime-view-xemacs-popup-menu))
1087 (defvar mouse-button-2 'button2)
1090 (defvar mime-view-popup-menu
1091 (let ((menu (make-sparse-keymap mime-view-menu-title)))
1095 (list (intern (nth 1 item)) 'menu-item
1096 (nth 1 item)(nth 2 item))
1098 mime-view-menu-list))))
1099 (defun mime-view-popup-menu (event)
1100 "Popup the menu in the MIME Viewer buffer"
1102 (let ((menu mime-view-popup-menu) events func)
1103 (setq events (x-popup-menu t menu))
1105 (setq func (lookup-key menu (apply #'vector events)))
1108 (defvar mouse-button-2 [mouse-2])
1111 (defun mime-view-define-keymap (&optional default)
1112 (let ((mime-view-mode-map (if (keymapp default)
1113 (copy-keymap default)
1114 (make-sparse-keymap)
1116 (define-key mime-view-mode-map
1117 "u" (function mime-preview-move-to-upper))
1118 (define-key mime-view-mode-map
1119 "p" (function mime-preview-move-to-previous))
1120 (define-key mime-view-mode-map
1121 "n" (function mime-preview-move-to-next))
1122 (define-key mime-view-mode-map
1123 "\e\t" (function mime-preview-move-to-previous))
1124 (define-key mime-view-mode-map
1125 "\t" (function mime-preview-move-to-next))
1126 (define-key mime-view-mode-map
1127 " " (function mime-preview-scroll-up-entity))
1128 (define-key mime-view-mode-map
1129 "\M- " (function mime-preview-scroll-down-entity))
1130 (define-key mime-view-mode-map
1131 "\177" (function mime-preview-scroll-down-entity))
1132 (define-key mime-view-mode-map
1133 "\C-m" (function mime-preview-next-line-entity))
1134 (define-key mime-view-mode-map
1135 "\C-\M-m" (function mime-preview-previous-line-entity))
1136 (define-key mime-view-mode-map
1137 "v" (function mime-preview-play-current-entity))
1138 (define-key mime-view-mode-map
1139 "e" (function mime-preview-extract-current-entity))
1140 (define-key mime-view-mode-map
1141 "\C-c\C-p" (function mime-preview-print-current-entity))
1143 (define-key mime-view-mode-map
1144 "\C-c\C-t\C-f" (function mime-preview-toggle-header))
1145 (define-key mime-view-mode-map
1146 "\C-c\C-th" (function mime-preview-toggle-header))
1147 (define-key mime-view-mode-map
1148 "\C-c\C-t\C-c" (function mime-preview-toggle-content))
1150 (define-key mime-view-mode-map
1151 "\C-c\C-v\C-f" (function mime-preview-show-header))
1152 (define-key mime-view-mode-map
1153 "\C-c\C-vh" (function mime-preview-show-header))
1154 (define-key mime-view-mode-map
1155 "\C-c\C-v\C-c" (function mime-preview-show-content))
1157 (define-key mime-view-mode-map
1158 "\C-c\C-d\C-f" (function mime-preview-hide-header))
1159 (define-key mime-view-mode-map
1160 "\C-c\C-dh" (function mime-preview-hide-header))
1161 (define-key mime-view-mode-map
1162 "\C-c\C-d\C-c" (function mime-preview-hide-content))
1164 (define-key mime-view-mode-map
1165 "a" (function mime-preview-follow-current-entity))
1166 (define-key mime-view-mode-map
1167 "q" (function mime-preview-quit))
1168 (define-key mime-view-mode-map
1169 "\C-c\C-x" (function mime-preview-kill-buffer))
1170 ;; (define-key mime-view-mode-map
1171 ;; "<" (function beginning-of-buffer))
1172 ;; (define-key mime-view-mode-map
1173 ;; ">" (function end-of-buffer))
1174 (define-key mime-view-mode-map
1175 "?" (function describe-mode))
1176 (define-key mime-view-mode-map
1177 [tab] (function mime-preview-move-to-next))
1178 (define-key mime-view-mode-map
1179 [delete] (function mime-preview-scroll-down-entity))
1180 (define-key mime-view-mode-map
1181 [backspace] (function mime-preview-scroll-down-entity))
1182 (if (functionp default)
1183 (cond ((featurep 'xemacs)
1184 (set-keymap-default-binding mime-view-mode-map default)
1187 (setq mime-view-mode-map
1188 (append mime-view-mode-map (list (cons t default))))
1191 (define-key mime-view-mode-map
1192 mouse-button-2 (function mime-button-dispatcher))
1194 (cond ((featurep 'xemacs)
1195 (define-key mime-view-mode-map
1196 mouse-button-3 (function mime-view-xemacs-popup-menu))
1198 ((>= emacs-major-version 19)
1199 (define-key mime-view-mode-map
1200 mouse-button-3 (function mime-view-popup-menu))
1201 (define-key mime-view-mode-map [menu-bar mime-view]
1202 (cons mime-view-menu-title
1203 (make-sparse-keymap mime-view-menu-title)))
1206 (define-key mime-view-mode-map
1207 (vector 'menu-bar 'mime-view (car item))
1208 (cons (nth 1 item)(nth 2 item))
1211 (reverse mime-view-menu-list)
1214 (use-local-map mime-view-mode-map)
1215 (run-hooks 'mime-view-define-keymap-hook)
1218 (defsubst mime-maybe-hide-echo-buffer ()
1219 "Clear mime-echo buffer and delete window for it."
1220 (let ((buf (get-buffer mime-echo-buffer-name)))
1225 (let ((win (get-buffer-window buf)))
1232 (defvar mime-view-redisplay nil)
1235 (defun mime-display-message (message &optional preview-buffer
1236 mother default-keymap-or-function
1237 original-major-mode)
1238 "View MESSAGE in MIME-View mode.
1240 Optional argument PREVIEW-BUFFER specifies the buffer of the
1241 presentation. It must be either nil or a name of preview buffer.
1243 Optional argument MOTHER specifies mother-buffer of the preview-buffer.
1245 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1246 function. If it is a keymap, keymap of MIME-View mode will be added
1247 to it. If it is a function, it will be bound as default binding of
1248 keymap of MIME-View mode."
1249 (mime-maybe-hide-echo-buffer)
1250 (let ((win-conf (current-window-configuration)))
1252 (setq preview-buffer
1253 (concat "*Preview-" (mime-entity-name message) "*")))
1254 (or original-major-mode
1255 (setq original-major-mode major-mode))
1256 (let ((inhibit-read-only t))
1257 (set-buffer (get-buffer-create preview-buffer))
1261 (setq mime-mother-buffer mother)
1263 (setq mime-preview-original-window-configuration win-conf)
1264 (setq major-mode 'mime-view-mode)
1265 (setq mode-name "MIME-View")
1266 (mime-display-entity message nil
1267 `((entity-button . invisible)
1269 (major-mode . ,original-major-mode))
1271 (mime-view-define-keymap default-keymap-or-function)
1273 (next-single-property-change (point-min) 'mime-view-entity)))
1276 (goto-char (point-min))
1277 (search-forward "\n\n" nil t)
1279 (run-hooks 'mime-view-mode-hook)
1280 (set-buffer-modified-p nil)
1281 (setq buffer-read-only t)
1285 (defun mime-view-buffer (&optional raw-buffer preview-buffer mother
1286 default-keymap-or-function
1287 representation-type)
1288 "View RAW-BUFFER in MIME-View mode.
1289 Optional argument PREVIEW-BUFFER is either nil or a name of preview
1291 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1292 function. If it is a keymap, keymap of MIME-View mode will be added
1293 to it. If it is a function, it will be bound as default binding of
1294 keymap of MIME-View mode.
1295 Optional argument REPRESENTATION-TYPE is representation-type of
1296 message. It must be nil, `binary' or `cooked'. If it is nil,
1297 `cooked' is used as default."
1300 (setq raw-buffer (current-buffer)))
1301 (or representation-type
1302 (setq representation-type
1304 (set-buffer raw-buffer)
1305 (cdr (or (assq major-mode mime-raw-representation-type-alist)
1306 (assq t mime-raw-representation-type-alist)))
1308 (if (eq representation-type 'binary)
1309 (setq representation-type 'buffer)
1311 (setq preview-buffer (mime-display-message
1312 (mime-open-entity representation-type raw-buffer)
1313 preview-buffer mother default-keymap-or-function))
1314 (or (get-buffer-window preview-buffer)
1315 (let ((r-win (get-buffer-window raw-buffer)))
1317 (set-window-buffer r-win preview-buffer)
1318 (let ((m-win (and mother (get-buffer-window mother))))
1320 (set-window-buffer m-win preview-buffer)
1321 (switch-to-buffer preview-buffer)
1324 (defun mime-view-mode (&optional mother ctl encoding
1325 raw-buffer preview-buffer
1326 default-keymap-or-function)
1327 "Major mode for viewing MIME message.
1329 Here is a list of the standard keys for mime-view-mode.
1334 u Move to upper content
1335 p or M-TAB Move to previous content
1336 n or TAB Move to next content
1337 SPC Scroll up or move to next content
1338 M-SPC or DEL Scroll down or move to previous content
1339 RET Move to next line
1340 M-RET Move to previous line
1341 v Decode current content as `play mode'
1342 e Decode current content as `extract mode'
1343 C-c C-p Decode current content as `print mode'
1344 a Followup to current content.
1346 button-2 Move to point under the mouse cursor
1347 and decode current content as `play mode'
1350 (unless mime-view-redisplay
1352 (if raw-buffer (set-buffer raw-buffer))
1355 (or (assq major-mode mime-raw-representation-type-alist)
1356 (assq t mime-raw-representation-type-alist)))))
1357 (if (eq type 'binary)
1360 (setq mime-message-structure (mime-open-entity type raw-buffer))
1361 (or (mime-entity-content-type mime-message-structure)
1362 (mime-entity-set-content-type mime-message-structure ctl))
1364 (or (mime-entity-encoding mime-message-structure)
1365 (mime-entity-set-encoding mime-message-structure encoding))
1367 (mime-display-message mime-message-structure preview-buffer
1368 mother default-keymap-or-function)
1375 (defun mime-preview-find-boundary-info (&optional get-mother)
1379 (while (null (setq entity
1380 (get-text-property (point) 'mime-view-entity)))
1382 (setq p-beg (previous-single-property-change (point) 'mime-view-entity))
1383 (setq entity-node-id (mime-entity-node-id entity))
1384 (setq len (length entity-node-id))
1387 (if (eq (next-single-property-change (point-min)
1393 ((eq (next-single-property-change p-beg 'mime-view-entity)
1395 (setq p-beg (point))
1397 (setq p-end (next-single-property-change p-beg 'mime-view-entity))
1399 (setq p-end (point-max))
1401 ((null entity-node-id)
1402 (setq p-end (point-max))
1410 (next-single-property-change
1411 (point) 'mime-view-entity))
1413 (let ((rc (mime-entity-node-id
1414 (get-text-property (1- (point))
1415 'mime-view-entity))))
1416 (or (and (>= (setq i (- (length rc) len)) 0)
1417 (equal entity-node-id (nthcdr i rc)))
1420 (setq p-end (point-max))))
1422 (vector p-beg p-end entity)))
1428 (autoload 'mime-preview-play-current-entity "mime-play"
1429 "Play current entity." t)
1431 (defun mime-preview-extract-current-entity (&optional ignore-examples)
1432 "Extract current entity into file (maybe).
1433 It decodes current entity to call internal or external method as
1434 \"extract\" mode. The method is selected from variable
1435 `mime-acting-condition'."
1437 (mime-preview-play-current-entity ignore-examples "extract")
1440 (defun mime-preview-print-current-entity (&optional ignore-examples)
1441 "Print current entity (maybe).
1442 It decodes current entity to call internal or external method as
1443 \"print\" mode. The method is selected from variable
1444 `mime-acting-condition'."
1446 (mime-preview-play-current-entity ignore-examples "print")
1453 (defun mime-preview-follow-current-entity ()
1454 "Write follow message to current entity.
1455 It calls following-method selected from variable
1456 `mime-preview-following-method-alist'."
1458 (let ((entity (mime-preview-find-boundary-info t))
1461 (setq p-beg (aref entity 0)
1462 p-end (aref entity 1)
1463 entity (aref entity 2))
1464 (if (get-text-property p-beg 'mime-view-entity-body)
1467 (next-single-property-change
1468 p-beg 'mime-view-entity-body nil
1469 (or (next-single-property-change p-beg 'mime-view-entity)
1471 (let* ((mode (mime-preview-original-major-mode 'recursive))
1472 (entity-node-id (mime-entity-node-id entity))
1474 (format "%s-%s" (buffer-name) (reverse entity-node-id)))
1476 (the-buf (current-buffer))
1479 (set-buffer (setq new-buf (get-buffer-create new-name)))
1482 (insert-buffer-substring the-buf pb-beg p-end)
1483 (goto-char (point-min))
1484 (let ((current-entity
1485 (if (and (eq (mime-entity-media-type entity) 'message)
1486 (eq (mime-entity-media-subtype entity) 'rfc822))
1487 (car (mime-entity-children entity))
1489 (while (and current-entity
1490 (if (and (eq (mime-entity-media-type
1491 current-entity) 'message)
1492 (eq (mime-entity-media-subtype
1493 current-entity) 'rfc822))
1495 (mime-insert-header current-entity fields)
1497 (setq fields (std11-collect-field-names)
1498 current-entity (mime-entity-parent current-entity))
1500 (let ((rest mime-view-following-required-fields-list)
1503 (setq field-name (car rest))
1504 (or (std11-field-body field-name)
1507 (set-buffer the-buf)
1508 (let ((entity (when mime-mother-buffer
1509 (set-buffer mime-mother-buffer)
1510 (get-text-property (point)
1511 'mime-view-entity))))
1513 (null (setq ret (mime-entity-fetch-field
1514 entity field-name))))
1515 (setq entity (mime-entity-parent entity)))))
1517 (insert (concat field-name ": " ret "\n"))
1519 (setq rest (cdr rest))
1522 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
1527 "Sorry, following method for %s is not implemented yet."
1536 (defun mime-preview-move-to-upper ()
1537 "Move to upper entity.
1538 If there is no upper entity, call function `mime-preview-quit'."
1541 (while (null (setq cinfo
1542 (get-text-property (point) 'mime-view-entity)))
1545 (let ((r (mime-entity-parent cinfo))
1548 (while (setq point (previous-single-property-change
1549 (point) 'mime-view-entity))
1551 (when (eq r (get-text-property (point) 'mime-view-entity))
1552 (if (or (eq mime-preview-move-scroll t)
1553 (and mime-preview-move-scroll
1556 (move-to-window-line -1)
1557 (forward-line (* -1 next-screen-context-lines))
1560 (recenter next-screen-context-lines))
1567 (defun mime-preview-move-to-previous ()
1568 "Move to previous entity.
1569 If there is no previous entity, it calls function registered in
1570 variable `mime-preview-over-to-previous-method-alist'."
1572 (while (and (not (bobp))
1573 (null (get-text-property (point) 'mime-view-entity)))
1576 (let ((point (previous-single-property-change (point) 'mime-view-entity)))
1578 (>= point (point-min)))
1579 (if (get-text-property (1- point) 'mime-view-entity)
1580 (progn (goto-char point)
1582 (or (eq mime-preview-move-scroll t)
1583 (and mime-preview-move-scroll
1586 (move-to-window-line 0)
1587 (forward-line next-screen-context-lines)
1590 (recenter (* -1 next-screen-context-lines))))
1591 (goto-char (1- point))
1592 (mime-preview-move-to-previous)
1594 (let ((f (assq (mime-preview-original-major-mode)
1595 mime-preview-over-to-previous-method-alist)))
1601 (defun mime-preview-move-to-next ()
1602 "Move to next entity.
1603 If there is no previous entity, it calls function registered in
1604 variable `mime-preview-over-to-next-method-alist'."
1606 (while (and (not (eobp))
1607 (null (get-text-property (point) 'mime-view-entity)))
1610 (let ((point (next-single-property-change (point) 'mime-view-entity)))
1612 (<= point (point-max)))
1615 (if (null (get-text-property point 'mime-view-entity))
1616 (mime-preview-move-to-next)
1618 (or (eq mime-preview-move-scroll t)
1619 (and mime-preview-move-scroll
1622 (move-to-window-line -1)
1624 (* -1 next-screen-context-lines))
1627 (recenter next-screen-context-lines))
1629 (let ((f (assq (mime-preview-original-major-mode)
1630 mime-preview-over-to-next-method-alist)))
1636 (defun mime-preview-scroll-up-entity (&optional h)
1637 "Scroll up current entity.
1638 If reached to (point-max), it calls function registered in variable
1639 `mime-preview-over-to-next-method-alist'."
1642 (let ((f (assq (mime-preview-original-major-mode)
1643 mime-preview-over-to-next-method-alist)))
1648 (or (next-single-property-change (point) 'mime-view-entity)
1650 (bottom (window-end (selected-window))))
1653 (progn (goto-char point)
1654 (recenter next-screen-context-lines))
1658 (goto-char (point-max)))))
1661 (defun mime-preview-scroll-down-entity (&optional h)
1662 "Scroll down current entity.
1663 If reached to (point-min), it calls function registered in variable
1664 `mime-preview-over-to-previous-method-alist'."
1667 (let ((f (assq (mime-preview-original-major-mode)
1668 mime-preview-over-to-previous-method-alist)))
1673 (or (previous-single-property-change (point) 'mime-view-entity)
1675 (top (window-start (selected-window))))
1678 (progn (goto-char point)
1679 (recenter (* -1 next-screen-context-lines)))
1682 (beginning-of-buffer
1683 (goto-char (point-min)))))
1686 (defun mime-preview-next-line-entity (&optional lines)
1687 "Scroll up one line (or prefix LINES lines).
1688 If LINES is negative, scroll down LINES lines."
1690 (mime-preview-scroll-up-entity (or lines 1))
1693 (defun mime-preview-previous-line-entity (&optional lines)
1694 "Scrroll down one line (or prefix LINES lines).
1695 If LINES is negative, scroll up LINES lines."
1697 (mime-preview-scroll-down-entity (or lines 1))
1704 (defun mime-preview-toggle-display (type &optional display)
1705 (let ((situation (mime-preview-find-boundary-info))
1706 (sym (intern (concat "*" (symbol-name type))))
1708 (setq p-beg (aref situation 0)
1709 p-end (aref situation 1)
1710 entity (aref situation 2)
1711 situation (get-text-property p-beg 'mime-view-situation))
1712 (cond ((eq display 'invisible)
1717 (eq (cdr (or (assq sym situation)
1718 (assq type situation)))
1720 (setq situation (put-alist sym (if display
1725 (let ((inhibit-read-only t))
1726 (delete-region p-beg p-end)
1727 (mime-display-entity entity situation)))
1728 (let ((ret (assoc situation mime-preview-situation-example-list)))
1730 (setcdr ret (1+ (cdr ret)))
1731 (add-to-list 'mime-preview-situation-example-list
1732 (cons situation 0))))))
1734 (defun mime-preview-toggle-header (&optional force-visible)
1736 (mime-preview-toggle-display 'header force-visible))
1738 (defun mime-preview-toggle-content (&optional force-visible)
1740 (mime-preview-toggle-display 'body force-visible))
1742 (defun mime-preview-show-header ()
1744 (mime-preview-toggle-display 'header 'visible))
1746 (defun mime-preview-show-content ()
1748 (mime-preview-toggle-display 'body 'visible))
1750 (defun mime-preview-hide-header ()
1752 (mime-preview-toggle-display 'header 'invisible))
1754 (defun mime-preview-hide-content ()
1756 (mime-preview-toggle-display 'body 'invisible))
1762 (defun mime-preview-quit ()
1763 "Quit from MIME-preview buffer.
1764 It calls function registered in variable
1765 `mime-preview-quitting-method-alist'."
1767 (let ((r (assq (mime-preview-original-major-mode)
1768 mime-preview-quitting-method-alist)))
1773 (defun mime-preview-kill-buffer ()
1775 (kill-buffer (current-buffer))
1782 (provide 'mime-view)
1784 (let ((file mime-situation-examples-file))
1785 (if (file-readable-p file)
1787 (insert-file-contents file)
1788 (setq mime-situation-examples-file-coding-system
1790 ((boundp 'buffer-file-coding-system)
1791 (symbol-value 'buffer-file-coding-system))
1792 ((boundp 'file-coding-system)
1793 (symbol-value 'file-coding-system))
1799 (while (and (> (length mime-preview-situation-example-list)
1800 mime-preview-situation-example-list-max-size)
1802 (setq mime-preview-situation-example-list
1803 (mime-reduce-situation-examples
1804 mime-preview-situation-example-list))
1806 (error (setq mime-preview-situation-example-list nil)))
1807 ;; (let ((rest mime-preview-situation-example-list))
1809 ;; (ctree-set-calist-strictly 'mime-preview-condition
1811 ;; (setq rest (cdr rest))))
1814 (while (and (> (length mime-acting-situation-example-list)
1815 mime-acting-situation-example-list-max-size)
1817 (setq mime-acting-situation-example-list
1818 (mime-reduce-situation-examples
1819 mime-acting-situation-example-list))
1821 (error (setq mime-acting-situation-example-list nil))))))
1823 ;;; mime-view.el ends here