Merge branch 'master' of git+ssh://repo.or.cz/srv/git/org-mode
This commit is contained in:
Bastien Guerry
commit
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;;; org-irc.el --- Store links to IRC sessions.
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;; Copyright (C) 2008 Phil Jackson
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;;
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;; Author: Philip Jackson <emacs@shellarchive.co.uk>
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;; Keywords: erc, irc, link, org
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;; Version: 0.03
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;;
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;; This file is not yet part of GNU Emacs.
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;;
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; 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,
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;; Boston, MA 02110-1301, USA.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;;
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;; Link to an IRC session. Only ERC has been implemented at the
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;; moment.
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;;
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;; Place org-irc.el in your load path and add this to your
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;; .emacs:
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;;
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;; (require 'org-irc)
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;;
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;; Please note that at the moment only ERC is supported. Other clients
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;; shouldn't be diffficult to add though.
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;;
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;; Then set `org-irc-link-to-logs' to non-nil if you would like a
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;; file:/ type link to be created to the current line in the logs or
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;; to t if you would like to create an irc:/ style link.
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;;
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;; Links within an org buffer might look like this:
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;;
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;; [[irc:/irc.freenode.net/#emacs/bob][chat with bob in #emacs on freenode]]
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;; [[irc:/irc.freenode.net/#emacs][#emacs on freenode]]
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;; [[irc:/irc.freenode.net/]]
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;;
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;; If, when the resulting link is visited, there is no connection to a
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;; requested server then one will be created.
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;;
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;;; Code:
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(require 'org)
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(defvar org-irc-client 'erc
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"The IRC client to act on")
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(defvar org-irc-link-to-logs t
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"non-nil will store a link to the logs, nil will store an irc: style link")
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;; Generic functions/config (extend for other clients)
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(add-to-list 'org-store-link-functions
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'org-irc-store-link)
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(org-add-link-type "irc" 'org-irc-visit nil)
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(defun org-irc-visit (link)
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"Dispatch to the correct visit function based on the client"
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(let ((link (org-irc-parse-link link)))
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(cond
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((eq org-irc-client 'erc)
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(org-irc-visit-erc link))
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(t
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(error "erc only known client")))))
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(defun org-irc-parse-link (link)
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"Get a of irc link attributes where `link' looks like
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server:port/chan/user (port, chan and user being optional)."
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(let* ((parts (split-string link "/" t))
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(len (length parts)))
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(when (or (< len 1) (> len 3))
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(error "Failed to parse link needed 1-3 parts, got %d." len))
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(setcar parts (split-string (car parts) ":" t))
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parts))
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;;;###autoload
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(defun org-irc-store-link ()
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"Dispatch to the appropreate function to store a link to
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something IRC related"
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(cond
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((eq major-mode 'erc-mode)
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(org-irc-erc-store-link))))
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;; ERC specific functions
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(defun org-irc-erc-get-line-from-log (erc-line)
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"Find the most suitable line to link to from the erc logs. If
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the user is on the erc-prompt then search backward for the first
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non-blank line, otherwise return the current line."
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(erc-save-buffer-in-logs)
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(with-current-buffer (find-file-noselect (erc-current-logfile))
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(goto-char (point-max))
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(concat
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"file:" (abbreviate-file-name
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buffer-file-name)
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;; can we get a '::' part?
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(if (equal erc-line (erc-prompt))
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(progn
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(goto-char (point-at-bol))
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(when (search-backward-regexp "^[^ ]" nil t)
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(concat "::" (buffer-substring-no-properties
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(point-at-bol)
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(point-at-eol)))))
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(when (search-backward erc-line nil t)
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(concat "::" (buffer-substring-no-properties
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(point-at-bol)
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(point-at-eol))))))))
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(defun org-irc-erc-store-link ()
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"Return an org compatible file:/ link which links to a log file
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of the current ERC session"
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(if org-irc-link-to-logs
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(let ((erc-line (buffer-substring-no-properties
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(point-at-bol) (point-at-eol))))
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(if (erc-logging-enabled nil)
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(progn
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(setq cpltxt (org-irc-erc-get-line-from-log erc-line))
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t)
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(error "This ERC session is not being logged")))
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(let ((link (org-irc-get-erc-link)))
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(if link
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(progn
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(setq cpltxt (concat "irc:/" link))
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(org-make-link cpltxt)
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(setq link (org-irc-parse-link link))
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(org-store-link-props :type "irc"
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:server (car (car link))
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:port (or (cadr (pop link))
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erc-default-port)
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:nick (pop link))
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t)
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(error "Failed to create (non-log) ERC link")))))
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(defun org-irc-get-erc-link ()
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"Return an org compatible irc:/ link from an ERC buffer"
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(let ((link (concat erc-server-announced-name ":"
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erc-session-port)))
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(concat link "/"
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(if (and (erc-default-target)
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(erc-channel-p (erc-default-target))
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(get-text-property (point) 'erc-parsed)
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(elt (get-text-property (point) 'erc-parsed) 1))
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;; we can get a nick
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(let ((nick
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(car
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(erc-parse-user
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(elt (get-text-property (point)
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'erc-parsed) 1)))))
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(concat (erc-default-target) "/"
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(substring nick 1)))
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(erc-default-target)))))
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(defun org-irc-visit-erc (link)
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"Visit an ERC buffer based on criteria from the followed link"
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(let* ((server (car (car link)))
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(port (or (cadr (pop link)) erc-default-port))
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(server-buffer)
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(buffer-list
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(erc-buffer-filter
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(lambda nil
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(let ((tmp-server-buf (erc-server-buffer)))
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(and tmp-server-buf
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(with-current-buffer tmp-server-buf
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(and
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(string= erc-session-port port)
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(string= erc-server-announced-name server)
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(setq server-buffer tmp-server-buf)))))))))
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(if buffer-list
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(let ((chan-name (pop link)))
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;; if we got a channel name then switch to it or join it
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(if chan-name
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(let ((chan-buf (find-if
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(lambda (x)
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(string= (buffer-name x) chan-name))
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buffer-list)))
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(if chan-buf
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(progn
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(switch-to-buffer chan-buf)
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;; if we got a nick, and they're in the chan,
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;; then start a chat with them
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(let ((nick (pop link)))
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(when nick
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(if (find nick (erc-get-server-nickname-list)
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:test 'string=)
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(progn
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(goto-char (point-max))
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(insert (concat nick ": ")))
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(error "%s not found in %s" nick chan)))))
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(progn
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(switch-to-buffer server-buffer)
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(erc-cmd-JOIN chan-name))))
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(switch-to-buffer server-buffer)))
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;; no server match, make new connection
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(erc-select :server server :port port))))
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(provide 'org-irc)
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;;; org-irc.el ends here
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