228 lines
7.3 KiB
EmacsLisp
228 lines
7.3 KiB
EmacsLisp
;;; mu-common.el -- part of mu
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;;
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;; Copyright (C) 2011 Dirk-Jan C. Binnema
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;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Keywords: email
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;; Version: 0.0
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;; This file is not 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 of the License, or
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;; (at your option) 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. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; mu message has functions to display a message
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;;; Code:
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(require 'cl)
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(defvar mu-binary "/home/djcb/src/mu/src/mu" "name/path of the mu executable")
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(defvar mu-muile-binary "/home/djcb/src/mu/toys/muile/muile"
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"name/path of the muile executable")
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(defvar mu-home nil
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"path where mu stores it's data or nil for the defaults (typically, ~/.mu)")
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(defvar mu-date-format-short "%x %X" "date format (in strftime(2)
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notation) e.g. for mail headers")
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(defvar mu-date-format-long "%c" "date format (in strftime(2)
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notation) for the mail view and in replied/forwarded message quotations")
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(defvar mu-folder-draft "/home/djcb/Maildir/")
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(defface mu-date-face '((t (:foreground "#8c5353"))) "")
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(defface mu-subject-face '((t (:foreground "#dfaf8f"))) "")
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(defface mu-from-face '((t (:foreground "#7f9f7f"))) "")
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(defface mu-to-face '((t (:foreground "#7f6655"))) "")
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(defface mu-cc-face '((t (:foreground "#7f6666"))) "")
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(defface mu-bcc-face '((t (:foreground "#7f6677"))) "")
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(defface mu-body-face '((t (:foreground "#8cd0d3"))) "")
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(defface mu-header-face '((t (:foreground "#7f9f7f"))) "")
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(defface mu-size-face '((t (:foreground "#889f7f"))) "")
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(defface mu-flag-face '((t (:foreground "#dc56cc"))) "")
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(defface mu-path-face '((t (:foreground "#dc56cc"))) "")
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(defface mu-unread-face '((t (:bold t))) "")
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(defface mu-face '((t (:foreground "Gray" :italic t))) "")
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(defvar mu-own-address "djcb" "regexp matching my own address")
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;;; internal stuff
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(defvar mu-parent-buffer nil "the parent buffer for a
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buffer (buffer-local), i.e., the buffer we'll return to when this
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buffer is killed")
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(defun mu-binary-version ()
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"get the version of the mu binary"
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(let ((cmd (concat mu-binary
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" --version | head -1 | sed 's/.*version //'")))
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(substring (shell-command-to-string cmd) 0 -1)))
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(defun mu-inspect (path)
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"inspect message in a guile environment"
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(let ((cmd (concat mu-muile-binary " --msg='" path "'")))
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(ansi-term cmd "*mu-inspect")))
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;; (defalias mu-find mu-headers-find)
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;; (defalias mu-display mu-message-display)
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(defun mu-str (str)
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"return STR propertized as a mu string (for info, warnings
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etc.)"
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(propertize str 'face 'mu-face 'intangible t))
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(setq mu-headers-fields
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'(
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(:date . 20)
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(:flags . 4)
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(:from-or-to . 22)
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(:size . 8)
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(:subject . 40)))
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(setq mu-headers-date-format "%x %X")
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(setq mu-header-fields
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'( :from
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:to
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:subject
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:date
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:path))
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(setq mu-own-address-regexp "djcb\\|diggler\\|bulkmeel")
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(defvar mu-maildir nil "our maildir")
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(defvar mu-folder nil "our list of special folders for jumping,
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moving")
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(defvar mu-maildir nil "location of your maildir, typically ~/Maildir")
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(defvar mu-inbox-folder nil "location of your inbox folder")
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(defvar mu-outbox-folder nil "location of your outbox folder")
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(defvar mu-sent-folder nil "location of your sent folder")
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(defvar mu-trash-folder nil "location of your trash-folder folder")
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(setq
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mu-maildir "/home/djcb/Maildir"
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mu-inbox-folder "/inbox"
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mu-outbox-folder "/outbox"
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mu-sent-folder "/sent"
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mu-trash-folder "/trash")
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(defvar mu-quick-folders nil)
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(setq mu-quick-folders
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'("/archive" "/bulkarchive" "/todo"))
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(defun mu-ask-maildir (prompt &optional fullpath)
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"ask user with PROMPT for a maildir name, if fullpath is
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non-nill, return the fulpath (ie, mu-maildir prepended to the
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maildir"
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(interactive)
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(let*
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((showfolders
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(delete-dups
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(append (list mu-inbox-folder mu-sent-folder) mu-quick-folders)))
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(chosen (ido-completing-read prompt showfolders)))
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(concat (if fullpath mu-maildir "") chosen)))
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(defun mu-ask-key (prompt)
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"Get a char from user, only accepting characters marked with [x] in prompt,
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e.g. 'Reply to [a]ll or [s]ender only; returns the character chosen"
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(let ((match 0) (kars '()))
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(while match
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(setq match (string-match "\\[\\(.\\)\\]" prompt match))
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(when match
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(setq kars (cons (match-string 1 prompt) kars))
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(setq match (+ 1 match))))
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(let ((kar)
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(prompt (replace-regexp-in-string
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"\\[\\(.\\)\\]"
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(lambda(s)
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(concat "[" (propertize (substring s 1 -1) 'face 'highlight) "]"))
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prompt)))
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(while (not kar)
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(setq kar (read-char-exclusive prompt))
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(unless (member (string kar) kars)
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(setq kar nil)))
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kar)))
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;; both in mu-find.el and mu-view.el we have the path as a text property; in the
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;; latter case we could have use a buffer-local variable, but using a
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;; text-property makes this function work for both
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(defun mu-get-path ()
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"get the path (a string) of the message at point or nil if it
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is not found; this works both for the header list and when
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viewing a message"
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(let ((path (get-text-property (point) 'path)))
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(unless path (message "No message at point"))
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path))
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;; The message sexp looks something like:
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;; (
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;; :from (("Donald Duck" . "donald@example.com"))
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;; :to (("Mickey Mouse" . "mickey@example.com"))
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;; :subject "Wicked stuff"
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;; :date (20023 26572 0)
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;; :size 15165
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;; :msgid "foobar32423847ef23@pluto.net"
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;; :path "/home/mickey/Maildir/inbox/cur/1312254065_3.32282.pluto,4cd5bd4e9:2,"
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;; :priority high
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;; :flags (new unread)
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;; :body-txt " <message body>"
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;; )
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(defun mu-get-message (path)
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"use 'mu view --format=sexp' to get the message at PATH in the
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form of an s-expression; parse this s-expression and return the
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Lisp data as a plist. Returns nil in case of error"
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(if (not (file-readable-p path))
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(progn (message "Message is not readable") nil)
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(let* ((cmd (concat mu-binary " view --format=sexp " path))
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(str (shell-command-to-string cmd))
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(msglst (read-from-string str)))
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(if msglst
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(car msglst)
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(progn (message "Failed to parse message") nil)))))
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(defun mu-quit-buffer ()
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"kill this buffer, and switch to it's parentbuf if it is alive"
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(interactive)
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(let ((parentbuf mu-parent-buffer))
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(kill-buffer)
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(when (and parentbuf (buffer-live-p parentbuf))
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(switch-to-buffer parentbuf))))
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(defun mu-get-new-buffer (bufname)
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"return a new buffer BUFNAME; if such already exists, kill the
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old one first"
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(when (get-buffer bufname)
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(kill-buffer bufname))
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(get-buffer-create bufname))
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(defun mu-log (frm &rest args)
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(with-current-buffer (get-buffer-create "*mu-log*")
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(goto-char (point-max))
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(insert (apply 'format
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(concat
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(format-time-string "%x %X " (current-time))
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frm "\n") args))))
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(provide 'mu-common)
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