Source

hyperbole / hvm.el

Full commit
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
;;; hvm.el --- Support Hyperbole buttons in mail reader: Vm.

;; Copyright (C) 1991-1995, BeOpen.com and the Free Software Foundation, Inc.
;; Developed with support from Motorola Inc.

;; Author: Bob Weiner, Brown U.
;; Maintainer: Mats Lidell <matsl@contactor.se>
;; Keywords: hypermedia, mail

;; This file is part of GNU Hyperbole.

;; GNU Hyperbole is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.

;; GNU Hyperbole is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Commentary:
;;
;;   Automatically configured for use in "hyperbole.el".
;;   If hsite loading fails prior to initializing Hyperbole Vm support,
;;
;;       {M-x Vm-init RET}
;;
;;   will do it.
;;

;;; Code:

;;;
;;; Other required Elisp libraries
;;;

(require 'hmail)
(load "hsmail")
(require 'vm)
(or (and (fboundp 'vm-edit-message) (fboundp 'vm-edit-message-end))
    (load "vm-edit"))
(vm-session-initialization)

;;;
;;; Public variables
;;;

;;; Current versions of VM define this next variable in "vm-vars.el".  We
;;; define it here for earlier VM versions.
(defvar vm-edit-message-mode nil
  "*Major mode to use when editing messages in VM.")

;;; "hmail.el" procedures will branch improperly if a regular mode, like VM's
;;; default `text-mode', is used for editing.
(setq vm-edit-message-mode 'vm-edit-mode)

(defun vm-edit-mode ()
  "Major mode for editing vm mail messages.
  Special commands:\\{vm-edit-message-map}
Turning on vm-edit-mode calls the value of the variable vm-edit-message-hook,
if that value is non-nil."
  (interactive)
  (kill-all-local-variables)
;;  (use-local-map vm-edit-message-map)
  (setq mode-name "VM Edit")
  (setq major-mode 'vm-edit-mode)
  (setq local-abbrev-table text-mode-abbrev-table)
  (set-syntax-table text-mode-syntax-table)
;;  (run-hooks 'vm-edit-message-hook)
  )

;;;
;;; Public functions
;;;

(defun Vm-init ()
  "Initializes Hyperbole support for Vm mail reading."
  (interactive)
  (setq hmail:composer  'mail-mode
	hmail:lister    'vm-summary-mode
	hmail:modifier  'vm-edit-mode
	hmail:reader    'vm-mode)
  ;;
  ;; Setup public abstract interface to Hyperbole defined mail
  ;; reader-specific functions used in "hmail.el".
  ;;
  (rmail:init)
  ;;
  ;; Setup private abstract interface to mail reader-specific functions
  ;; used in "hmail.el".
  ;;
  (defalias 'rmail:get-new       'vm-get-new-mail)
  (defalias 'rmail:msg-forward   'vm-forward-message)
  (defalias 'rmail:summ-msg-to   'vm-follow-summary-cursor)
  (defalias 'rmail:summ-new      'vm-summarize)
  (if (interactive-p)
      (message "Hyperbole VM mail reader support initialized."))
  )

(defun Vm-msg-hdrs-full (toggled)
  "If TOGGLED is non-nil, toggle full/hidden headers, else show full headers."
  (save-excursion
    (if (or toggled
	    (let ((exposed (= (point-min)
			      (vm-start-of (car vm-message-pointer)))))
	      (not exposed)))
	(progn (vm-expose-hidden-headers)
	       (setq toggled t)))
    toggled))

(defun Vm-msg-narrow ()
  "Narrows mail reader buffer to current message.
This includes Hyperbole button data."
  (save-excursion
    (vm-select-folder-buffer)
    (narrow-to-region (point-min) (Vm-msg-end))))

(defun Vm-msg-next ()           (vm-next-message 1))

(defun Vm-msg-num ()
  "Returns number of vm mail message that point is within, in physical message order."
  (interactive)
  (let ((count 1)
	(case-fold-search))
    (save-excursion
      (save-restriction
	(widen)
	(while (re-search-backward Vm-msg-start-regexp nil t)
	  (setq count (1+ count)))))
    count))

(defun Vm-msg-prev ()           (vm-previous-message 1))

(defun Vm-msg-to-p (mail-msg-id mail-file)
  "Sets current buffer to start of msg with MAIL-MSG-ID in MAIL-FILE.
Returns t if successful, else nil or signals error."
  (if (not (file-readable-p mail-file))
      nil
    (vm-visit-folder mail-file)
    (widen)
    (goto-char 1)
      (if (let ((case-fold-search))
	    (re-search-forward (concat rmail:msg-hdr-prefix
				       (regexp-quote mail-msg-id)) nil t))
	  ;; Found matching msg
	  (progn
	    (setq buffer-read-only t)
	    (vm-goto-message-at-point)
	    t))))

(defun Vm-msg-widen ()
  "Widens buffer to full current message including Hyperbole button data."
  (save-excursion
    (vm-select-folder-buffer)
    (narrow-to-region (point-min) (Vm-msg-end))))

(defun Vm-to ()
  "Sets current buffer to a mail reader buffer."
  (and (eq major-mode 'vm-summary-mode) (set-buffer vm-mail-buffer)))

(defun Vm-Summ-delete ()
  (vm-follow-summary-cursor)
  (vm-delete-message 1))

(defalias 'Vm-Summ-expunge          'vm-expunge-folder)

(defalias 'Vm-Summ-goto             'vm-follow-summary-cursor)

(defun Vm-Summ-to ()
  "Sets current buffer to a mail listing buffer."
  (and (eq major-mode 'vm-mode) (set-buffer vm-summary-buffer)))

(defun Vm-Summ-undelete-all ()
  (message
   "(Vm-Summ-undelete-all: Vm doesn't have an undelete all msgs function."))

;;;
;;; Private functions
;;;

(defun Vm-msg-end ()
  "Returns end point for current Vm message, including Hyperbole button data.
Has side-effect of widening buffer."
  (save-excursion
    (goto-char (point-min))
    (widen)
    (if (let ((case-fold-search))
	  (re-search-forward Vm-msg-start-regexp nil t))
	(match-beginning 0)
      (point-max))))

;;; Overlay version of this function from "vm-page.el" to hide any
;;; Hyperbole button data whenever a message is displayed in its entirety.
(defun vm-show-current-message ()
  (and vm-display-using-mime
       vm-auto-decode-mime-messages
       (if vm-mail-buffer
	   (not (vm-buffer-variable-value vm-mail-buffer 'vm-mime-decoded))
	 (not vm-mime-decoded))
       (not (vm-mime-plain-message-p (car vm-message-pointer)))
       (condition-case data
	   (vm-decode-mime-message)
	 (vm-mime-error (vm-set-mime-layout-of (car vm-message-pointer)
					       (car (cdr data)))
			(message "%s" (car (cdr data))))))
  (if (and (natnump vm-fill-paragraphs-containing-long-lines)
	   (vm-mime-plain-message-p (car vm-message-pointer)))
      (let ((needmsg (> (- (vm-text-end-of (car vm-message-pointer))
			   (vm-text-of (car vm-message-pointer)))
			12000)))
	(if needmsg
	    (message "Searching for paragraphs to fill..."))
	(vm-fill-paragraphs-containing-long-lines
	 vm-fill-paragraphs-containing-long-lines
	 (vm-text-of (car vm-message-pointer))
	 (vm-text-end-of (car vm-message-pointer)))
	(if needmsg
	    (message "Searching for paragraphs to fill... done"))))
  (vm-save-buffer-excursion
   (save-excursion
     (save-excursion
       (goto-char (point-min))
       (widen)
       ; (hmail:msg-narrow (point-min) (Vm-msg-end)))
       ; (narrow-to-region (point) (vm-text-end-of (car vm-message-pointer))))
       (hmail:msg-narrow (point) (vm-text-end-of (car vm-message-pointer))))
     (and vm-honor-page-delimiters
	  (save-excursion
	    (if (search-forward page-delimiter nil t)
		(progn
		  (goto-char (match-beginning 0))
		  (not (looking-at (regexp-quote hmail:hbdata-sep))))))
	  (progn
	    (if (looking-at page-delimiter)
		(forward-page 1))
	    (vm-narrow-to-page))))
   ;; don't mark the message as read if the user can't see it!
   (if (vm-get-buffer-window (current-buffer))
       (progn
	 (save-excursion
	   (setq vm-system-state 'showing)
	   (if vm-mail-buffer
	       (vm-set-buffer-variable vm-mail-buffer 'vm-system-state
				       'showing))
	   ;; We could be in the presentation buffer here.  Since
	   ;; the presentation buffer's message pointer and sole
	   ;; message are a mockup, they will cause trouble if
	   ;; passed into the undo/update system.  So we switch
	   ;; into the real message buffer to do attribute
	   ;; updates.
	   (vm-select-folder-buffer)
	   (cond ((vm-new-flag (car vm-message-pointer))
		  (vm-set-new-flag (car vm-message-pointer) nil)))
	   (cond ((vm-unread-flag (car vm-message-pointer))
		  (vm-set-unread-flag (car vm-message-pointer) nil))))
	 (vm-update-summary-and-mode-line)
	 (vm-howl-if-eom))
     (if (fboundp 'hproperty:but-create) (hproperty:but-create))
     (vm-update-summary-and-mode-line))))

;;; Overlay version of this function from "vm-page.el" to treat end of
;;; text (excluding Hyperbole button data) as end of message.
(defun vm-scroll-forward-internal (arg)
  (let ((direction (prefix-numeric-value arg))
	(w (selected-window)))
    (condition-case error-data
	(progn (scroll-up arg) nil)
      (error
       (if (or (and (< direction 0)
		    (> (point-min) (vm-text-of (car vm-message-pointer))))
	       (and (>= direction 0)
		    (/= (point-max)
			(save-restriction
			  (hmail:hbdata-start
			   (point-min)
			   (vm-text-end-of
			    (car vm-message-pointer)))))))
	   (progn
	     (vm-widen-page)
	     (if (>= direction 0)
		 (progn
		   (forward-page 1)
		   (set-window-start w (point))
		   nil )
	       (if (or (bolp)
		       (not (save-excursion
			      (beginning-of-line)
			      (looking-at page-delimiter))))
		   (forward-page -1))
	       (beginning-of-line)
	       (set-window-start w (point))
	       'tryagain))
	 (if (eq (car error-data) 'end-of-buffer)
	     (if vm-auto-next-message
		 'next-message
	       (set-window-point w (point))
	       'end-of-message)))))))

;;; Overlay version of this function from "vm-page.el" (called by
;;; vm-scroll-* functions).  Make it keep Hyperbole button data hidden.
(defun vm-widen-page ()
  (if (or (> (point-min) (vm-text-of (car vm-message-pointer)))
	  (/= (point-max) (vm-text-end-of (car vm-message-pointer))))
      (hmail:msg-narrow (vm-vheaders-of (car vm-message-pointer))
			(if (or (vm-new-flag (car vm-message-pointer))
				(vm-unread-flag (car vm-message-pointer)))
			    (vm-text-of (car vm-message-pointer))
			  (vm-text-end-of (car vm-message-pointer))))))

;;; Overlay version of this function from "vm-edit.el" to hide
;;; Hyperbole button data when insert edited message from temporary buffer.
(hypb:function-overload 'vm-edit-message nil '(hmail:msg-narrow))

;;; Overlay version of this function from "vm-edit.el" to hide
;;; Hyperbole button data when insert edited message from temporary buffer.
(defun vm-edit-message-end ()
  "End the edit of a message and copy the result to its folder."
  (interactive)
  (if (null vm-message-pointer)
      (error "This is not a VM message edit buffer."))
  (if (null (buffer-name (vm-buffer-of (car vm-message-pointer))))
      (error "The folder buffer for this message has been killed."))
  (let ((pos-offset (- (point) (point-min))))
    ;; make sure the message ends with a newline
    (goto-char (point-max))
    (and (/= (preceding-char) ?\n) (insert ?\n))
    ;; munge message separators found in the edited message to
    ;; prevent message from being split into several messages.
    (vm-munge-message-separators (vm-message-type-of (car vm-message-pointer))
				 (point-min) (point-max))
    ;; for From_-with-Content-Length recompute the Content-Length header
    (if (eq (vm-message-type-of (car vm-message-pointer))
	    'From_-with-Content-Length)
	(let ((buffer-read-only nil)
	      length)
	  (goto-char (point-min))
	  ;; first delete all copies of Content-Length
	  (while (and (re-search-forward vm-content-length-search-regexp nil t)
		      (null (match-beginning 1))
		      (progn (goto-char (match-beginning 0))
			     (vm-match-header vm-content-length-header)))
	    (delete-region (vm-matched-header-start) (vm-matched-header-end)))
	  ;; now compute the message body length
	  (goto-char (point-min))
	  (search-forward "\n\n" nil 0)
	  (setq length (- (point-max) (point)))
	  ;; insert the header
	  (goto-char (point-min))
	  (insert vm-content-length-header " " (int-to-string length) "\n")))
    (let ((edit-buf (current-buffer))
	  (mp vm-message-pointer))
      (if (buffer-modified-p)
	  (progn
	    (widen)
	    (save-excursion
	      (set-buffer (vm-buffer-of (vm-real-message-of (car mp))))
	      (if (not (memq (vm-real-message-of (car mp)) vm-message-list))
		  (error "The original copy of this message has been expunged."))
	      (vm-save-restriction
	       (widen)
	       (goto-char (vm-headers-of (vm-real-message-of (car mp))))
	       (let ((vm-message-pointer mp)
                     opoint
		     (buffer-read-only nil))
		 (setq opoint (point))
		 (insert-buffer-substring edit-buf)
		 (delete-region
		  (point) (vm-text-end-of (vm-real-message-of (car mp))))
		 (vm-discard-cached-data))
	       (hmail:msg-narrow)
	       (vm-set-edited-flag-of (car mp) t)
	       (vm-set-edit-buffer-of (car mp) nil))
	      (set-buffer (vm-buffer-of (car mp)))
	      (if (eq (vm-real-message-of (car mp))
		      (vm-real-message-of (car vm-message-pointer)))
		  (progn
		    (vm-preview-current-message)
		    ;; Try to position the cursor in the message
		    ;; window close to where it was in the edit
		    ;; window.  This works well for non MIME
		    ;; messages, but the cursor drifts badly for
		    ;; MIME and for refilled messages.
		    (vm-save-buffer-excursion
		     (and vm-presentation-buffer
			  (set-buffer vm-presentation-buffer))
		     (vm-save-restriction
		      (vm-save-buffer-excursion
		       (widen)
		       (let ((osw (selected-window))
			     (new-win (vm-get-visible-buffer-window
				       (current-buffer))))
			 (unwind-protect
			     (if new-win
				 (progn
				   (select-window new-win)
				   (goto-char (vm-headers-of
					       (car vm-message-pointer)))
				   (condition-case nil
				       (forward-char pos-offset)
				     (error nil))))
			   (if (not (eq osw (selected-window)))
			       (select-window osw))))))))
		(vm-update-summary-and-mode-line))))
	(message "No change."))
      (vm-display edit-buf nil '(vm-edit-message-end)
		  '(vm-edit-message-end reading-message startup))
      (set-buffer-modified-p nil)
      (kill-buffer edit-buf))))

;;; Define this function if the VM version in use doesn't have it.
(or (fboundp 'vm-goto-message-at-point)
(defun vm-goto-message-at-point ()
  "In a VM folder buffer, select the message that contains point."
  (cond ((fboundp 'vm-update-search-position)
	 (vm-update-search-position t)
	 ;; vm-show-current-message only adjusts (point-max),
	 ;; it doesn't change (point-min).
	 (narrow-to-region
	  (vm-vheaders-of (car vm-message-pointer))
	  (point-max))
	 (vm-show-current-message)
	 (setq vm-system-state 'reading))
	((fboundp 'vm-isearch-update)
	 (vm-isearch-update)
	 (narrow-to-region
	  (vm-vheaders-of (car vm-message-pointer))
	  (point-max))
	 (vm-show-current-message)
	 (setq vm-system-state 'reading))
	(t (error "vm search code is missing, can't continue"))))
)

;;; Hide any Hyperbole button data when reply to or forward a message.
;;; See "vm-reply.el".
(var:append 'vm-mail-mode-hook '(hmail:msg-narrow))

;;; Overlay this function from "vm-folder.el" called whenever new mail is
;;; incorporated so that it will highlight Hyperbole buttons when possible.
;;  Returns non-nil if there were any new messages.
(defun vm-assimilate-new-messages (&optional
				   dont-read-attributes
				   gobble-order
				   labels first-time)
  (let ((tail-cons (vm-last vm-message-list))
	b-list new-messages)
    (save-excursion
      (vm-save-restriction
       (widen)
       (if (fboundp 'hproperty:but-create)
	   (hproperty:but-create))
       (vm-build-message-list)
       (if (or (null tail-cons) (cdr tail-cons))
	   (progn
	     (setq vm-ml-sort-keys nil)
	     (if dont-read-attributes
		 (vm-set-default-attributes (cdr tail-cons))
	       (vm-read-attributes (cdr tail-cons)))
	     ;; Yuck.  This has to be done here instead of in the
	     ;; vm function because this needs to be done before
	     ;; any initial thread sort (so that if the thread
	     ;; sort matches the saved order the folder won't be
	     ;; modified) but after the message list is created.
	     ;; Since thread sorting is done here this has to be
	     ;; done here too.
	     (if gobble-order
		 (vm-gobble-message-order))
	     (if (or (vectorp vm-thread-obarray)
		     vm-summary-show-threads)
		 (vm-build-threads (cdr tail-cons))))))
      (setq new-messages (if tail-cons (cdr tail-cons) vm-message-list))
      (vm-set-numbering-redo-start-point new-messages)
      (vm-set-summary-redo-start-point new-messages))
    ;; Only update the folders summary count here if new messages
    ;; have arrived, not when we're reading the folder for the
    ;; first time, and not if we cannot assume that all the arrived
    ;; messages should be considered new.  Use gobble-order as a
    ;; first time indicator along with the new messages being equal
    ;; to the whole message list.
    (if (and new-messages dont-read-attributes
	     (or (not (eq new-messages vm-message-list))
		 (null gobble-order)))
	(vm-modify-folder-totals buffer-file-name 'arrived
				 (length new-messages)))
    ;; copy the new-messages list because sorting might scramble
    ;; it.  Also something the user does when
    ;; vm-arrived-message-hook is run might affect it.
    ;; vm-assimilate-new-messages returns this value so it must
    ;; not be mangled.
    (setq new-messages (copy-sequence new-messages))
    ;; add the labels
    (if (and new-messages labels vm-burst-digest-messages-inherit-labels)
	(let ((mp new-messages))
	  (while mp
	    (vm-set-labels-of (car mp) (copy-sequence labels))
	    (setq mp (cdr mp)))))
    (if (and new-messages vm-summary-show-threads)
	(progn
	  ;; get numbering and summary of new messages done now
	  ;; so that the sort code only has to worry about the
	  ;; changes it needs to make.
	  (vm-update-summary-and-mode-line)
	  (vm-sort-messages "thread")))
    (if (and new-messages
	     (or vm-arrived-message-hook vm-arrived-messages-hook)
	     ;; Run the hooks only if this is not the first
	     ;; time vm-assimilate-new-messages has been called
	     ;; in this folder. 
	     (not first-time))
	(let ((new-messages new-messages))
	  ;; seems wise to do this so that if the user runs VM
	  ;; commands here they start with as much of a clean
	  ;; slate as we can provide, given we're currently deep
	  ;; in the guts of VM.
	  (vm-update-summary-and-mode-line)
	  (if vm-arrived-message-hook
	      (while new-messages
		(vm-run-message-hook (car new-messages)
				     'vm-arrived-message-hook)
		(setq new-messages (cdr new-messages))))
	  (run-hooks 'vm-arrived-messages-hook)))
    (if (and new-messages vm-virtual-buffers)
	(save-excursion
	  (setq b-list vm-virtual-buffers)
	  (while b-list
	    ;; buffer might be dead
	    (if (buffer-name (car b-list))
		(let (tail-cons)
		  (set-buffer (car b-list))
		  (setq tail-cons (vm-last vm-message-list))
		  (vm-build-virtual-message-list new-messages)
		  (if (or (null tail-cons) (cdr tail-cons))
		      (progn
			(setq vm-ml-sort-keys nil)
			(if (vectorp vm-thread-obarray)
			    (vm-build-threads (cdr tail-cons)))
			(vm-set-summary-redo-start-point
			 (or (cdr tail-cons) vm-message-list))
			(vm-set-numbering-redo-start-point
			 (or (cdr tail-cons) vm-message-list))
			(if (null vm-message-pointer)
			    (progn (setq vm-message-pointer vm-message-list
					 vm-need-summary-pointer-update t)
				   (if vm-message-pointer
				       (vm-preview-current-message))))
			(if vm-summary-show-threads
			    (progn
			      (vm-update-summary-and-mode-line)
			      (vm-sort-messages "thread")))))))
	    (setq b-list (cdr b-list)))))
    new-messages ))

;;; Overlay version of `vm-force-mode-line-update' from "vm-folder.el"
;;; to highlight Hyperbole buttons in summary buffers.
(defun vm-force-mode-line-update ()
  "Force a mode line update in all frames."
  (if vm-summary-buffer
      (save-excursion
	(set-buffer vm-summary-buffer)
	(if (fboundp 'hproperty:but-create) (hproperty:but-create))))
  (if (fboundp 'force-mode-line-update)
      (force-mode-line-update t)
    (save-excursion
      (set-buffer (other-buffer))
      (set-buffer-modified-p (buffer-modified-p)))))

;;;
;;; Private variables
;;;

(defvar Vm-msg-start-regexp "\n\nFrom \\|\n\001\001\001\001"
  "Regular expression that begins a Vm mail message.")

(provide 'hvm)

;;; hvm.el ends here