From: Katsumi Yamaoka <yamaoka@jpl.org>
To: 12439@debbugs.gnu.org
Subject: bug#12439: 24.2.50; mail-abbrev fills long aliasee uglily
Date: Fri, 14 Sep 2012 17:53:15 +0900 [thread overview]
Message-ID: <b4mligdt284.fsf@jpl.org> (raw)
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Hi,
By default message.el uses mail-abbrev to expand mail aliases in
headers in a draft. If an aliasee is longer than fill-column,
it will be expanded like the following:
To: foo1@bar.baz, foo2@bar.baz, foo3@bar.baz, foo4@bar.baz,
foo5@bar.baz,
foo6@bar.baz,
foo7@bar.baz,
foo8@bar.baz
To reproduce this, try the "foo" alias specified as follows:
(define-mail-abbrev "foo"
"foo1@bar.baz, foo2@bar.baz, foo3@bar.baz, foo4@bar.baz,\
foo5@bar.baz, foo6@bar.baz, foo7@bar.baz, foo8@bar.baz")
The point is that the latter half addresses in an aliasee are
put line by line. Moreover, I think a SPC is enough for LWSP
preceding to the latter half (message.el uses TAB in some fill
function, though), rather than the one indent-relative generates.
A patch I tried is attached below.
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--- mailabbrev.el~ 2012-05-06 21:58:55.506179000 +0000
+++ mailabbrev.el 2012-09-14 08:38:38.323389500 +0000
@@ -391,35 +391,24 @@
(defun mail-abbrev-expand-hook ()
"For use as the fourth arg to `define-abbrev'.
After expanding a mail-abbrev, if Auto Fill mode is on and we're past the
-fill-column, break the line at the previous comma, and indent the next line."
- ;; Disable abbrev mode to avoid recursion in indent-relative expanding
- ;; part of the abbrev expansion as an abbrev itself.
- (let ((abbrev-mode nil))
- (save-excursion
- (let ((p (point))
- bol comma fp)
- (beginning-of-line)
- (setq bol (point))
- (goto-char p)
- (while (and auto-fill-function
- (>= (current-column) fill-column)
- (search-backward "," bol t))
- (setq comma (point))
- (forward-char 1) ; Now we are just past the comma.
- (insert "\n")
- (delete-horizontal-space)
- (setq p (point))
- (indent-relative)
- (setq fp (buffer-substring p (point)))
- ;; Go to the end of the new line.
- (end-of-line)
- (if (> (current-column) fill-column)
- ;; It's still too long; do normal auto-fill.
- (let ((fill-prefix (or fp "\t")))
- (do-auto-fill)))
- ;; Resume the search.
- (goto-char comma)
- )))))
+fill-column, break the line at the previous comma, and indent the next line
+with a space."
+ (when auto-fill-function
+ (let (p)
+ (save-excursion
+ (while (>= (current-column) fill-column)
+ (while (and (search-backward "," (point-at-bol) 'move)
+ (>= (current-column) (1- fill-column))
+ (setq p (point))))
+ (when (or (not (bolp))
+ (and p (goto-char p)))
+ (setq p nil)
+ (forward-char 1)
+ (insert "\n")
+ (when (looking-at "[\t ]+")
+ (delete-region (point) (match-end 0)))
+ (insert " ")
+ (end-of-line)))))))
\f
;;; Syntax tables and abbrev-expansion
next reply other threads:[~2012-09-14 8:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 8:53 Katsumi Yamaoka [this message]
2012-09-16 23:16 ` bug#12439: 24.2.50; mail-abbrev fills long aliasee uglily Katsumi Yamaoka
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