Fix Subject when forwarding message with 2-line From

* lisp/mh-e/mh-comp.el (mh-forwarded-letter-subject): Collapse
two-line From headers into a single line (SF#266).  Based on a
suggestion from Lester Buck (many thanks!).

diff --git a/lisp/mh-e/mh-comp.el b/lisp/mh-e/mh-comp.el
index 404b6b3ce7536c0a50fa74e50c844bba5d598498..e44c42e2800299d317bb85bc90eaf503ce328114 100644 (file)
--- a/lisp/mh-e/mh-comp.el
+++ b/lisp/mh-e/mh-comp.el
@@ -638,6 +638,8 @@ See also `mh-compose-forward-as-mime-flag',
 (defun mh-forwarded-letter-subject (from subject)
   "Return a Subject suitable for a forwarded message.
 Original message has headers FROM and SUBJECT."
+  ;; Join continued lines.
+  (setq from (replace-regexp-in-string "\\s *\n\\s +" " " from))
   (let ((addr-start (string-search "<" from))
         (comment (string-search "(" from)))
     (cond ((and addr-start (> addr-start 0))