(mail-mailer-swallows-blank-line): Put space and tab into brackets.

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index ace0e44570824f00884e8d22fd66d03e4e63bd79..16d05bef4cb8187d22ff5ea06d55200741d73d32 100644 (file)
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -139,7 +139,7 @@ so you can edit or delete these lines.")
                   (let ((case-fold-search nil))
                     (re-search-forward "^OR\\>" nil t)))
               (kill-buffer buffer))))
-      '(looking-at " \t\\|[-a-zA-Z]+:"))
+      '(looking-at "[ \t]\\|[-a-zA-Z]+:"))
   "Set this non-nil if the system's mailer runs the header and body together.
 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
 The value should be an expression to test whether the problem will