(rmail-mime-charset-pattern): Add optional TABs

and NLs before "charset", and allow the charset name be in double
quotes.

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 6b9ea1b019d6f2c5c2803181dfa105d9088983f8..6aed2263498136ed91bd867ab8a3bb6915fbd926 100644 (file)
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -371,7 +371,7 @@ the variable `rmail-mime-feature'.")
 
 ;;;###autoload
 (defvar rmail-mime-charset-pattern
-  "^content-type:[ ]*text/plain;[ ]*charset=\\([^ \t\n]+\\)"
+  "^content-type:[ ]*text/plain;[ \t\n]*charset=\"?\\([^ \t\n\"]+\\)\"?"
   "Regexp to match MIME-charset specification in a header of message.
 The first parenthesized expression should match the MIME-charset name.")