emacs/lisp/talk.el

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;;; talk.el --- allow several users to talk to each other through Emacs
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;; Copyright (C) 1995 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: comm, frames
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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
1996-01-14 07:34:30 +00:00
;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This is a multi-user talk package that runs in Emacs.
;; Use talk-connect to bring a new person into the conversation.
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;;; Code:
(defvar talk-display-alist nil
"Alist of displays on which Emacs talk is now running.
Each element has the form (DISPLAY FRAME BUFFER).")
;;;###autoload
(defun talk-connect (display)
"Connect to display DISPLAY for the Emacs talk group."
(interactive "sTalk to display: ")
;; Make sure we have an entry for the current display.
(let ((mydisp (cdr (assq 'display (frame-parameters (selected-frame))))))
(talk-add-display mydisp))
;; Make sure we have an entry for the specified display.
(talk-add-display display)
;; Add the new buffers to all talk frames.
(talk-update-buffers))
;;;###autoload
(defun talk ()
"Connect to the Emacs talk group from the current X display or tty frame."
(interactive)
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(let ((type (frame-live-p (selected-frame)))
(display (frame-display (selected-frame))))
(cond
((eq type t)
(talk-add-display (selected-frame)))
((eq type 'x)
(talk-add-display (frame-display (selected-frame))))
(t
(error "Unknown frame type"))))
(talk-update-buffers))
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(defun talk-add-display (frame)
(let* ((display (if (frame-live-p frame)
(frame-display frame)
frame))
(elt (assoc display talk-display-alist))
(name (concat "*talk-" (display-name display) "*"))
buffer)
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(unless (frame-live-p frame)
(setq frame (make-frame-on-display display (list (cons 'name name)))))
(if (and elt (frame-live-p (nth 1 elt)))
(setq frame (nth 1 elt)))
(if (not (and elt (buffer-name (get-buffer (setq buffer (nth 2 elt))))))
(setq buffer (get-buffer-create name)))
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(add-to-list 'delete-frame-functions 'talk-handle-delete-frame)
(setq talk-display-alist
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(cons (list display frame buffer) (delq elt talk-display-alist)))))
Implemented display ids for multiple emacsclients on the same tty. Plus assorted bugfixes. * lisp/frame.el (make-frame-on-display): Update doc. (make-frame): Handle display-id parameter. Update doc. (frames-on-display-list): Update for display ids. (framep-on-display): Ditto. (suspend-frame): Use display-name, not frame-tty-name. (selected-display): New function. * lisp/server.el (server-delete-client): Use delete-display, not delete-tty. (server-tty-live-p, server-handle-delete-tty): Removed. (server-handle-delete-frame): Delete tty clients, if needed. (server-process-filter): Set the display parameter, and use it when appropriate. (server-handle-suspend-tty): Use the display parameter. (server-start, server-unload-hook): Removed obsolete delete-tty hook. * lisp/talk.el (talk): Always use talk-add-display. (talk-add-tty-frame, talk-handle-delete-tty): Removed. (talk-handle-delete-frame): New function. (talk-add-display): Open a new frame only if parameter was not a frame. * src/dispextern.h (get_display, Fdisplay_tty_type): New prototypes. (Fframe_tty_type): Removed. * src/dispnew.c (init_display): Use Fdisplay_tty_type, not Fframe_tty_type. * src/frame.c (Qdisplay_id, Qdisplay_live_p): New symbols. (make_terminal_frame): Get display as a parameter. (Fmake_terminal_frame): Get/create display here; pass it to make_terminal_frame. (Fframe_display): New function. (Fdelete_frame): Stop if the hook deleted the frame. (syms_of_frame): Register new stuff. * src/frame.h (Qdisplay_id, Qdisplay_live_p, make_terminal_frame): Updated prototypes. * src/keyboard.c (interrupt_signal): Updated comment. * src/term.c (Vdelete_tty_after_functions): Removed variable. (Qframe_tty_name, Qframe_tty_type): Removed. (next_display_id): New var. (tty_ring_bell): Don't do anything on suspended frames. (Ftty_display_color_p, Ftty_display_color_cells): Doc update. (get_display): New function. (get_tty_display): Use it. (get_named_tty_display): Ignore suspended displays. (Fframe_tty_name): Renamed to Fdisplay_name. Handle all kinds of displays. (Fframe_tty_type): Renamed to Fdisplay_tty_type. (init_initial_display): Set display name. (term_init): Allow more displays on the same device. Set display name. (Fdelete_tty): Removed. (delete_tty): Don't run hooks. (create_display): Set display id. (delete_display): Free display name. (Fdelete_display, Fdisplay_live_p, Fdisplay_list): New functions. (Fsuspend_tty): Call hook with display id. Doc update. (Fresume_tty): Refuse to resume when there is already an active display on the same device. Call hook with display id. Doc update. (syms_of_term): Reflect above changes. * src/termhooks.h (struct display): Added `id' and `name' members. (DISPLAY_ACTIVE_P): New macro. * src/xfns.c (check_x_display_info): Handle display ids. (Fx_create_frame): Try to get display from `display-id' parameter. * src/xterm.c (x_term_init): Set display name. (x_delete_display): Handle the case when `font_table' is NULL. git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-207
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(defun talk-handle-delete-frame (frame)
(dolist (d talk-display-alist)
(when (eq (nth 1 d) frame)
(setq talk-display-alist (delq d talk-display-alist))
(talk-update-buffers))))
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(defun talk-disconnect ()
"Disconnect this display from the Emacs talk group."
(interactive)
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(let* ((mydisp (cdr (assq 'display (frame-parameters (selected-frame)))))
(elt (assoc mydisp talk-display-alist)))
(delete-frame (nth 1 elt))
(kill-buffer (nth 2 elt))
(setq talk-display-alist (delq elt talk-display-alist))
(talk-update-buffers)))
(defun talk-update-buffers ()
"Update all the talk frames so that each shows all the talk buffers."
(let ((tail talk-display-alist))
(while tail
(let ((frame (nth 1 (car tail)))
(this-buffer (nth 2 (car tail)))
(buffers
(mapcar (function (lambda (elt) (nth 2 elt)))
talk-display-alist)))
;; Put this display's own talk buffer
;; at the front of the list.
(setq buffers (cons this-buffer (delq this-buffer buffers)))
(talk-split-up-frame frame buffers))
(setq tail (cdr tail)))))
(defun talk-split-up-frame (frame buffers)
"Split FRAME into equal-sized windows displaying the buffers in BUFFERS.
Select the first of these windows, displaying the first of the buffers."
(let ((lines-per-buffer (/ (frame-height frame) (length buffers)))
(old-frame (selected-frame)))
(unwind-protect
(progn
(select-frame frame)
(select-window (frame-first-window frame))
(delete-other-windows)
(while (progn
(switch-to-buffer (car buffers))
(setq buffers (cdr buffers)))
(split-window-vertically lines-per-buffer)
(other-window 1))
(select-window (frame-first-window frame)))
(select-frame old-frame))))
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(provide 'talk)
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;;; arch-tag: 7ab0ad88-1788-4886-a44c-ae685e6f8a1a
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;;; talk.el ends here