mail/mailabbrev.el (mail-abbrev-expand-hook): Work for a mail aliasee that holds many addresses.

2 files changed, 23 insertions, 29 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9eeba6691c6..7700763cf25 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2012-09-16  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+        * mail/mailabbrev.el (mail-abbrev-expand-hook): Work for a mail aliasee
+        that holds many addresses.
+
 2012-09-16  Chong Yidong  <cyd@gnu.org>
 
         * align.el (align-areas): Call the indication function with
diff --git a/lisp/mail/mailabbrev.el b/lisp/mail/mailabbrev.el
index 290c57c1c55..2e4ffec1383 100644
--- a/lisp/mail/mailabbrev.el
+++ b/lisp/mail/mailabbrev.el
@@ -391,35 +391,24 @@ double-quotes."
 (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)))))))
 
 ;;; Syntax tables and abbrev-expansion