-;;; wl-util.el -- Utility modules for Wanderlust.
+;;; wl-util.el --- Utility modules for Wanderlust.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Copyright (C) 2000 A. SAGATA <sagata@nttvdt.hil.ntt.co.jp>
;;; Code:
;;
-
+(require 'bytecomp)
(eval-when-compile
(require 'elmo-util))
-(condition-case nil (require 'tm-edit) (error nil))
(condition-case nil (require 'pp) (error nil))
(eval-when-compile
(cmd (if (featurep 'xemacs)
(event-to-character last-command-event)
(string-to-char (format "%s" (this-command-keys))))))
- (message mes-string)
+ (message "%s" mes-string)
(setq key (car (setq keve (wl-read-event-char))))
(if (or (equal key ?\ )
(and cmd
(funcall func))
(wl-push (cdr keve) unread-command-events))))
+(defun wl-require-update-all-folder-p (name)
+ "Return non-nil if NAME is draft or queue folder."
+ (or (string= name wl-draft-folder)
+ (string= name wl-queue-folder)))
+
;(defalias 'wl-make-hash 'elmo-make-hash)
;;(make-obsolete 'wl-make-hash 'elmo-make-hash)
;;(defalias 'wl-set-hash-val 'elmo-set-hash-val)
;;(make-obsolete 'wl-set-hash-val 'elmo-set-hash-val)
-(defsubst wl-set-string-width (width string)
- (elmo-set-work-buf
- (elmo-set-buffer-multibyte default-enable-multibyte-characters)
- (insert string)
- (if (> (current-column) width)
- (if (> (move-to-column width) width)
- (progn
- (condition-case nil ; ignore error
- (backward-char 1)
- (error))
- (concat (buffer-substring (point-min) (point)) " "))
- (buffer-substring (point-min) (point)))
- (if (= (current-column) width)
+(defsubst wl-set-string-width (width string &optional padding ignore-invalid)
+ "Make a new string which have specified WIDTH and content of STRING.
+`wl-invalid-character-message' is used when invalid character is contained.
+If WIDTH is negative number, padding chars are added to the head and
+otherwise, padding chars are added to the tail of the string.
+The optional 3rd arg PADDING, if non-nil, specifies a padding character
+to add the result instead of white space.
+If optional 4th argument is non-nil, don't use `wl-invalid-character-message'
+even when invalid character is contained."
+ (static-cond
+ ((and (fboundp 'string-width) (fboundp 'truncate-string-to-width)
+ (not (featurep 'xemacs)))
+ (if (> (string-width string) (abs width))
+ (setq string (truncate-string-to-width string (abs width))))
+ (if (= (string-width string) (abs width))
+ string
+ (when (and (not ignore-invalid)
+ (< (abs width) (string-width string)))
+ (setq string
+ (truncate-string-to-width wl-invalid-character-message
+ (abs width))))
+ (let ((paddings (make-string
+ (max 0 (- (abs width) (string-width string)))
+ (or padding ?\ ))))
+ (if (< width 0)
+ (concat paddings string)
+ (concat string paddings)))))
+ (t
+ (elmo-set-work-buf
+ (set-buffer-multibyte default-enable-multibyte-characters)
+ (insert string)
+ (when (> (current-column) (abs width))
+ (when (> (move-to-column (abs width)) (abs width))
+ (condition-case nil ; ignore error
+ (backward-char 1)
+ (error)))
+ (setq string (buffer-substring (point-min) (point))))
+ (if (= (current-column) (abs width))
string
- (concat string
- (format (format "%%%ds"
- (- width (current-column)))
- " "))))))
-
-(defun wl-display-bytes (num)
- (let (result remain)
- (cond
- ((> (setq result (/ num 1000000)) 0)
- (setq remain (% num 1000000))
- (if (> remain 400000)
- (setq result (+ 1 result)))
- (format "%dM" result))
- ((> (setq result (/ num 1000)) 0)
- (setq remain (% num 1000))
- (if (> remain 400)
- (setq result (+ 1 result)))
- (format "%dK" result))
- (t (format "%dB" result)))))
+ (let ((paddings (make-string (- (abs width) (current-column))
+ (or padding ?\ ))))
+ (if (< width 0)
+ (concat paddings string)
+ (concat string paddings))))))))
(defun wl-mode-line-buffer-identification (&optional id)
(let ((priorities '(biff plug title)))
value pair)
(while alist
(setq pair (car alist))
- (if (string-match (car pair) folder)
- (cond ((eq match 'all)
- (setq value (append value (list (cdr pair)))))
- ((eq match 'all-list)
- (setq value (append value (cdr pair))))
- ((not match)
- (throw 'found (cdr pair)))))
+ (if (and (eq match 'function)
+ (functionp (car pair)))
+ (when (funcall (car pair) folder)
+ (throw 'found (cdr pair)))
+ (if (string-match (car pair) folder)
+ (cond ((eq match 'all)
+ (setq value (append value (list (cdr pair)))))
+ ((eq match 'all-list)
+ (setq value (append value (cdr pair))))
+ ((or (not match) (eq match 'function))
+ (throw 'found (cdr pair))))))
(setq alist (cdr alist)))
value)))
(put 'wl-as-mime-charset 'lisp-indent-function 1)
(eval-and-compile
- (if wl-on-mule3
- (defmacro wl-as-coding-system (coding-system &rest body)
- (` (let ((coding-system-for-read (, coding-system))
- (coding-system-for-write (, coding-system)))
- (,@ body))))
- (if wl-on-mule
- (defmacro wl-as-coding-system (coding-system &rest body)
- (` (let ((file-coding-system-for-read (, coding-system))
- (file-coding-system (, coding-system)))
- (,@ body))))
- (if wl-on-nemacs
- (defmacro wl-as-coding-system (coding-system &rest body)
- (` (let ((default-kanji-fileio-code (, coding-system))
- (kanji-fileio-code (, coding-system))
- kanji-expected-code)
- (,@ body))))))))
+ (cond
+ (wl-on-mule3
+ (defmacro wl-as-coding-system (coding-system &rest body)
+ (` (let ((coding-system-for-read (, coding-system))
+ (coding-system-for-write (, coding-system)))
+ (,@ body)))))
+ (wl-on-mule
+ (defmacro wl-as-coding-system (coding-system &rest body)
+ (` (let ((file-coding-system-for-read (, coding-system))
+ (file-coding-system (, coding-system)))
+ (,@ body)))))
+ (t
+ (defmacro wl-as-coding-system (coding-system &rest body)
+ (` (progn (,@ body)))))))
(defmacro wl-as-mime-charset (mime-charset &rest body)
(` (wl-as-coding-system (mime-charset-to-coding-system (, mime-charset))
(defalias 'wl-string 'elmo-string)
(make-obsolete 'wl-string 'elmo-string)
-;; Check if active region exists or not.
-(if (boundp 'mark-active)
- (defmacro wl-region-exists-p ()
- 'mark-active)
- (if (fboundp 'region-exists-p)
- (defmacro wl-region-exists-p ()
- (list 'region-exists-p))))
-
(if (not (fboundp 'overlays-in))
(defun overlays-in (beg end)
"Return a list of the overlays that overlap the region BEG ... END.
(setq loop (- loop 1)))
ret-val))
-(defun wl-list-diff (list1 list2)
- "Return a list of elements of LIST1 that do not appear in LIST2."
- (let ((list1 (copy-sequence list1)))
- (while list2
- (setq list1 (delq (car list2) list1))
- (setq list2 (cdr list2)))
- list1))
-
(defun wl-append-assoc-list (item value alist)
"make assoc list '((item1 value1-1 value1-2 ...)) (item2 value2-1 ...)))"
(let ((entry (assoc item alist)))
"^nntp://\\([^:/]*\\):?\\([0-9]*\\)/\\([^/]*\\)/\\([0-9]*\\).*$" url)
(progn
(if (eq (length (setq fld-name
- (elmo-match-string 3 url))) 0)
- (setq fld-name nil))
+ (elmo-match-string 3 url))) 0)
+ (setq fld-name nil))
(if (eq (length (setq port
(elmo-match-string 2 url))) 0)
- (setq port (int-to-string elmo-nntp-default-port)))
+ (setq port (int-to-string elmo-nntp-default-port)))
(if (eq (length (setq server
- (elmo-match-string 1 url))) 0)
- (setq server elmo-nntp-default-server))
+ (elmo-match-string 1 url))) 0)
+ (setq server elmo-nntp-default-server))
(setq folder (concat "-" fld-name "@" server ":" port))
(if (eq (length (setq msg
(elmo-match-string 4 url))) 0)
folder nil nil nil t)
(wl-summary-goto-folder-subr
folder 'update nil nil t)
- (goto-char (point-min))
- (re-search-forward (concat "^ *" msg) nil t)
+ (wl-summary-jump-to-msg (string-to-number msg))
(wl-summary-redisplay)))
(message "Not a nntp: url."))))
(defmacro wl-concat-list (list separator)
(` (mapconcat 'identity (delete "" (delq nil (, list))) (, separator))))
-(defmacro wl-current-message-buffer ()
- (` (save-excursion
- (if (buffer-live-p wl-current-summary-buffer)
- (set-buffer wl-current-summary-buffer))
- wl-message-buffer)))
+(defun wl-current-message-buffer ()
+ (when (buffer-live-p wl-current-summary-buffer)
+ (with-current-buffer wl-current-summary-buffer
+ (or wl-message-buffer
+ (and (wl-summary-message-number)
+ (car (wl-message-buffer-display
+ wl-summary-buffer-elmo-folder
+ (wl-summary-message-number)
+ wl-summary-buffer-display-mime-mode
+ nil nil)))))))
(defmacro wl-kill-buffers (regexp)
(` (mapcar (function
(kill-buffer x)))))
(buffer-list))))
-(defun wl-sendlog-time ()
- (static-if (fboundp 'format-time-string)
- (format-time-string "%Y/%m/%d %T")
- (let ((date (current-time-string)))
- (format "%s/%02d/%02d %s"
- (substring date -4)
- (cdr (assoc (upcase (substring date 4 7))
- timezone-months-assoc))
- (string-to-int (substring date 8 10))
- (substring date 11 19)))))
-
(defun wl-collect-summary ()
(let (result)
(mapcar
(buffer-list))
result))
+(defun wl-collect-draft ()
+ (let ((draft-regexp (concat
+ "^" (regexp-quote wl-draft-folder)))
+ result buf)
+ (mapcar
+ (function (lambda (x)
+ (if (with-current-buffer x
+ (and (eq major-mode 'wl-draft-mode)
+ (buffer-name)
+ (string-match draft-regexp (buffer-name))))
+ (setq result (nconc result (list x))))))
+ (buffer-list))
+ result))
+
+(defun wl-save-drafts ()
+ (let ((msg (current-message))
+ (buffers (wl-collect-draft)))
+ (save-excursion
+ (while buffers
+ (set-buffer (car buffers))
+ (if (buffer-modified-p) (wl-draft-save))
+ (setq buffers (cdr buffers))))
+ (message msg)))
+
(static-if (fboundp 'read-directory-name)
- (defalias 'wl-read-directory-name 'read-directory-name)
+ (defun wl-read-directory-name (prompt dir)
+ (read-directory-name prompt dir dir))
(defun wl-read-directory-name (prompt dir)
(let ((dir (read-file-name prompt dir)))
(unless (file-directory-p dir)
;; Append the name of the message interface, because while the
;; generated ID is unique to this newsreader, other newsreaders
;; might otherwise generate the same ID via another algorithm.
- ".wl")))
+ wl-unique-id-suffix)))
+(defvar wl-message-id-function 'wl-draft-make-message-id-string)
(defun wl-draft-make-message-id-string ()
"Return Message-ID field value."
- (concat "<" (wl-unique-id) "@"
- (or wl-message-id-domain
- (if wl-local-domain
- (concat (system-name) "." wl-local-domain)
- (system-name)))
- ">"))
+ (concat "<" (wl-unique-id)
+ (let (from user domain)
+ (if (and wl-message-id-use-wl-from
+ (progn
+ (setq from (wl-address-header-extract-address wl-from))
+ (and (string-match "^\\(.*\\)@\\(.*\\)$" from)
+ (setq user (match-string 1 from))
+ (setq domain (match-string 2 from)))))
+ (format "%%%s@%s>" user domain)
+ (format "@%s>"
+ (or wl-message-id-domain
+ (if wl-local-domain
+ (concat (system-name) "." wl-local-domain)
+ (system-name))))))))
;;; Profile loading.
(defvar wl-load-profile-function 'wl-local-load-profile)
(defun wl-local-load-profile ()
"Load `wl-init-file'."
- (message "Initializing ...")
+ (message "Initializing...")
(load wl-init-file 'noerror 'nomessage))
(defun wl-load-profile ()
(set-window-hscroll (get-buffer-window (current-buffer) t) 0))
max))))
+;; Draft auto-save
+(static-cond
+ (wl-on-xemacs
+ (defvar wl-save-drafts-timer-name "wl-save-drafts")
+
+ (defun wl-set-save-drafts ()
+ (if (numberp wl-auto-save-drafts-interval)
+ (unless (get-itimer wl-save-drafts-timer-name)
+ (start-itimer wl-save-drafts-timer-name 'wl-save-drafts
+ wl-auto-save-drafts-interval wl-auto-save-drafts-interval
+ t))
+ (when (get-itimer wl-save-drafts-timer-name)
+ (delete-itimer wl-save-drafts-timer-name)))))
+ (t
+ (defun wl-set-save-drafts ()
+ (if (numberp wl-auto-save-drafts-interval)
+ (progn
+ (require 'timer)
+ (if (get 'wl-save-drafts 'timer)
+ (progn (timer-set-idle-time (get 'wl-save-drafts 'timer)
+ wl-auto-save-drafts-interval t)
+ (timer-activate-when-idle (get 'wl-save-drafts 'timer)))
+ (put 'wl-save-drafts 'timer
+ (run-with-idle-timer
+ wl-auto-save-drafts-interval t 'wl-save-drafts))))
+ (when (get 'wl-save-drafts 'timer)
+ (cancel-timer (get 'wl-save-drafts 'timer)))))))
+
;; Biff
(static-cond
(wl-on-xemacs
(defun wl-biff-start ()
(wl-biff-stop)
(when wl-biff-check-folder-list
- (wl-biff-check-folders)
(start-itimer wl-biff-timer-name 'wl-biff-check-folders
- wl-biff-check-interval wl-biff-check-interval))))
-
- ((and (condition-case nil (require 'timer) (error nil));; FSFmacs 19+
- (fboundp 'timer-activate))
+ wl-biff-check-interval wl-biff-check-interval
+ wl-biff-use-idle-timer))))
+ (t
(defun wl-biff-stop ()
(when (get 'wl-biff 'timer)
(cancel-timer (get 'wl-biff 'timer))))
(defun wl-biff-start ()
(require 'timer)
(when wl-biff-check-folder-list
- (wl-biff-check-folders)
- (if (get 'wl-biff 'timer)
- (timer-activate (get 'wl-biff 'timer))
- (put 'wl-biff 'timer (run-at-time
+ (if wl-biff-use-idle-timer
+ (if (get 'wl-biff 'timer)
+ (progn (timer-set-idle-time (get 'wl-biff 'timer)
+ wl-biff-check-interval t)
+ (timer-activate-when-idle (get 'wl-biff 'timer)))
+ (put 'wl-biff 'timer
+ (run-with-idle-timer
+ wl-biff-check-interval t 'wl-biff-event-handler)))
+ (if (get 'wl-biff 'timer)
+ (progn
+ (timer-set-time (get 'wl-biff 'timer)
(timer-next-integral-multiple-of-time
(current-time) wl-biff-check-interval)
- wl-biff-check-interval
- 'wl-biff-event-handler)))))
+ wl-biff-check-interval)
+ (timer-activate (get 'wl-biff 'timer)))
+ (put 'wl-biff 'timer
+ (run-at-time
+ (timer-next-integral-multiple-of-time
+ (current-time) wl-biff-check-interval)
+ wl-biff-check-interval
+ 'wl-biff-event-handler))))))
(defun-maybe timer-next-integral-multiple-of-time (time secs)
"Yield the next value after TIME that is an integral multiple of SECS.
(timer-set-time timer (timer-next-integral-multiple-of-time
current wl-biff-check-interval)
wl-biff-check-interval)
- (timer-activate timer))))))
- (t
- (fset 'wl-biff-stop 'ignore)
- (fset 'wl-biff-start 'ignore)))
+ (timer-activate timer)))))))
(defsubst wl-biff-notify (new-mails notify-minibuf)
(when (and (not wl-modeline-biff-status) (> new-mails 0))
folder)
(if (eq (length flist) 1)
(wl-biff-check-folder-async (wl-folder-get-elmo-folder
- (car flist)) (interactive-p))
+ (car flist) 'biff) (interactive-p))
(unwind-protect
(while flist
(setq folder (wl-folder-get-elmo-folder (car flist))
flist (cdr flist))
- (when (elmo-folder-plugged-p folder)
+ (when (and (elmo-folder-plugged-p folder)
+ (elmo-folder-exists-p folder))
(setq new-mails
(+ new-mails
(nth 0 (wl-biff-check-folder folder))))))
(wl-biff-notify new-mails (interactive-p)))))))
(defun wl-biff-check-folder (folder)
- (if (eq (elmo-folder-type folder) 'pop3)
- ;; pop3 biff should share the session.
- (prog2
- (elmo-folder-check folder)
- (wl-folder-check-one-entity (elmo-folder-name-internal folder))
- (elmo-folder-close folder))
- (let ((elmo-network-session-name-prefix "BIFF-"))
- (wl-folder-check-one-entity (elmo-folder-name-internal folder)))))
+ (if (eq (elmo-folder-type-internal folder) 'pop3)
+ (unless (elmo-pop3-get-session folder 'any-exists)
+ (wl-folder-check-one-entity (elmo-folder-name-internal folder)
+ 'biff))
+ (wl-folder-check-one-entity (elmo-folder-name-internal folder)
+ 'biff)))
(defun wl-biff-check-folder-async-callback (diff data)
(if (nth 1 data)
(with-current-buffer (nth 1 data)
(wl-folder-entity-hashtb-set wl-folder-entity-hashtb
(nth 0 data)
- (list (car diff) 0 (cdr diff))
+ (list (nth 0 diff)
+ (- (nth 1 diff) (nth 0 diff))
+ (nth 2 diff))
(current-buffer))))
(setq wl-folder-info-alist-modified t)
(setq wl-biff-check-folders-running nil)
(wl-biff-notify (car diff) (nth 2 data)))
(defun wl-biff-check-folder-async (folder notify-minibuf)
- (when (elmo-folder-plugged-p folder)
- (if (and (eq (elmo-folder-type-internal folder) 'imap4)
- (elmo-folder-use-flag-p folder))
- ;; Check asynchronously only when IMAP4 and use server diff.
- (progn
- (setq elmo-folder-diff-async-callback
- 'wl-biff-check-folder-async-callback)
- (setq elmo-folder-diff-async-callback-data
- (list (elmo-folder-name-internal folder)
- (get-buffer wl-folder-buffer-name)
- notify-minibuf))
- (let ((elmo-network-session-name-prefix "BIFF-"))
- (elmo-folder-diff-async folder)))
- (wl-biff-notify (car (wl-biff-check-folder folder))
- notify-minibuf)
- (setq wl-biff-check-folders-running nil))))
+ (if (and (elmo-folder-plugged-p folder)
+ (wl-folder-entity-exists-p (elmo-folder-name-internal folder)))
+ (progn
+ (elmo-folder-set-biff-internal folder t)
+ (if (and (eq (elmo-folder-type-internal folder) 'imap4)
+ (elmo-folder-use-flag-p folder))
+ ;; Check asynchronously only when IMAP4 and use server diff.
+ (progn
+ (setq elmo-folder-diff-async-callback
+ 'wl-biff-check-folder-async-callback)
+ (setq elmo-folder-diff-async-callback-data
+ (list (elmo-folder-name-internal folder)
+ (get-buffer wl-folder-buffer-name)
+ notify-minibuf))
+ (elmo-folder-diff-async folder))
+ (unwind-protect
+ (wl-biff-notify (car (wl-biff-check-folder folder))
+ notify-minibuf)
+ (setq wl-biff-check-folders-running nil))))
+ (setq wl-biff-check-folders-running nil)))
(if (and (fboundp 'regexp-opt)
(not (featurep 'xemacs)))
(concat open-paren (mapconcat 'regexp-quote strings "\\|")
close-paren))))
-(defun wl-expand-newtext (newtext original)
- (let ((len (length newtext))
- (pos 0)
- c expanded beg N did-expand)
- (while (< pos len)
- (setq beg pos)
- (while (and (< pos len)
- (not (= (aref newtext pos) ?\\)))
- (setq pos (1+ pos)))
- (unless (= beg pos)
- (push (substring newtext beg pos) expanded))
- (when (< pos len)
- ;; We hit a \; expand it.
- (setq did-expand t
- pos (1+ pos)
- c (aref newtext pos))
- (if (not (or (= c ?\&)
- (and (>= c ?1)
- (<= c ?9))))
- ;; \ followed by some character we don't expand.
- (push (char-to-string c) expanded)
- ;; \& or \N
- (if (= c ?\&)
- (setq N 0)
- (setq N (- c ?0)))
- (when (match-beginning N)
- (push (substring original (match-beginning N) (match-end N))
- expanded))))
- (setq pos (1+ pos)))
- (if did-expand
- (apply (function concat) (nreverse expanded))
- newtext)))
+(defalias 'wl-expand-newtext 'elmo-expand-newtext)
+(defalias 'wl-regexp-opt 'elmo-regexp-opt)
+
+(defun wl-region-exists-p ()
+ "Return non-nil if a region exists on current buffer."
+ (static-if (featurep 'xemacs)
+ (region-active-p)
+ (and transient-mark-mode mark-active)))
+
+(defun wl-deactivate-region ()
+ "Deactivate region on current buffer"
+ (static-if (not (featurep 'xemacs))
+ (setq mark-active nil)))
+
+(defvar wl-line-string)
+(defun wl-line-parse-format (format spec-alist)
+ "Make a formatter from FORMAT and SPEC-ALIST."
+ (let (f spec specs stack)
+ (setq f
+ (with-temp-buffer
+ (insert format)
+ (goto-char (point-min))
+ (while (search-forward "%" nil t)
+ (cond
+ ((looking-at "%")
+ (goto-char (match-end 0)))
+ ((looking-at "\\(-?\\(0?\\)[0-9]*\\)\\([^0-9]\\)")
+ (cond
+ ((string= (match-string 3) "(")
+ (if (zerop (length (match-string 1)))
+ (error "No number specification for %%( line format"))
+ (push (list
+ (match-beginning 0) ; start
+ (match-end 0) ; start-content
+ (string-to-number
+ (match-string 1)) ; width
+ specs) ; specs
+ stack)
+ (setq specs nil))
+ ((string= (match-string 3) ")")
+ (let ((entry (pop stack))
+ form)
+ (unless entry
+ (error
+ "No matching %%( parenthesis in summary line format"))
+ (goto-char (car entry)) ; start
+ (setq form (buffer-substring (nth 1 entry) ; start-content
+ (- (match-beginning 0) 1)))
+ (delete-region (car entry) (match-end 0))
+ (insert "s")
+ (setq specs
+ (append
+ (nth 3 entry)
+ (list (list 'wl-set-string-width (nth 2 entry)
+ (append
+ (list 'format form)
+ specs)))))))
+ (t
+ (setq spec
+ (if (setq spec (assq (string-to-char (match-string 3))
+ spec-alist))
+ (nth 1 spec)
+ (match-string 3)))
+ (unless (string= "" (match-string 1))
+ (setq spec (list 'wl-set-string-width
+ (string-to-number (match-string 1))
+ spec
+ (unless (string= "" (match-string 2))
+ (string-to-char (match-string 2))))))
+ (replace-match "s" 'fixed)
+ (setq specs (append specs
+ (list
+ (list
+ 'setq 'wl-line-string
+ spec)))))))))
+ (buffer-string)))
+ (append (list 'format f) specs)))
+
+(defmacro wl-line-formatter-setup (formatter format alist)
+ (` (let (byte-compile-warnings)
+ (setq (, formatter)
+ (byte-compile
+ (list 'lambda ()
+ (wl-line-parse-format (, format) (, alist)))))
+ (when (get-buffer "*Compile-Log*")
+ (bury-buffer "*Compile-Log*"))
+ (when (get-buffer "*Compile-Log-Show*")
+ (bury-buffer "*Compile-Log-Show*")))))
+
+(defsubst wl-copy-local-variables (src dst local-variables)
+ "Copy value of LOCAL-VARIABLES from SRC buffer to DST buffer."
+ (with-current-buffer dst
+ (dolist (variable local-variables)
+ (set (make-local-variable variable)
+ (with-current-buffer src
+ (symbol-value variable))))))
(require 'product)
(product-provide (provide 'wl-util) (require 'wl-version))