(rmail-ignored-headers): Add more headers.

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index c4329cf9092a220b0d7e42a6f915f0cfc4ca7011..46650be91ef5db45ba0e901f3d9d4be8db0bb11d 100644 (file)
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -161,7 +161,9 @@ It is useful to set this variable in the site customization file.")
          "\\|^list-id:\\|^list-unsubscribe:\\|^list-archive:"
          "\\|^content-type:\\|^content-length:"
          "\\|^x-attribution:\\|^x-disclaimer:\\|^x-trace:"
-         "\\|^x-complaints-to:\\|^nntp-posting-date:\\|^user-agent:")
+         "\\|^x-complaints-to:\\|^nntp-posting-date:\\|^user-agent"
+         "\\|^importance:\\|^envelope-to:\\|^delivery-date"
+         "\\|^x.*-priority:\\|^x-mimeole:")
   "*Regexp to match header fields that Rmail should normally hide.
 This variable is used for reformatting the message header,
 which normally happens once for each message,