Headers matching the @code{message-ignored-supersedes-headers} are
removed before popping up the new message buffer. The default is@*
@samp{^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|@*
-^Received:\\|^X-From-Line:\\|Return-Path:\\|^Supersedes:}.
+^Received:\\|^X-From-Line:\\|^X-Trace:\\|^X-Complaints-To:\\|@*
+Return-Path:\\|^Supersedes:\\|^NNTP-Posting-Date:\\|^X-Trace:\\|@*
+^X-Complaints-To:\\|^Cancel-Lock:\\|^Cancel-Key:\\|^X-Hashcash:\\|@*
+^X-Payment:\\|^Approved:}.
@vindex message-ignored-bounced-headers
Headers that match the @code{message-ignored-bounced-headers} regexp
will be removed before popping up the buffer. The default is
-@samp{^\\(Received\\|Return-Path\\):}.
+@samp{^\\(Received\\|Return-Path\\|Delivered-To\\):}.
@node Mailing Lists
The @code{message-use-idna} variable control whether @acronym{IDNA} is
used. If the variable is @code{nil} no @acronym{IDNA} encoding will
ever happen, if it is set to the symbol @code{ask} the user will be
-queried, and if set to @code{t} @acronym{IDNA} encoding happens
-automatically (the default).
+queried, and if set to @code{t} (which is the default if @acronym{IDNA}
+is fully available) @acronym{IDNA} encoding happens automatically.
@findex message-idna-to-ascii-rhs
If you want to experiment with the @acronym{IDNA} encoding, you can
@item message-required-mail-headers
@vindex message-required-mail-headers
@xref{News Headers}, for the syntax of this variable. It is
-@code{(From Date Subject (optional . In-Reply-To) Message-ID Lines
+@code{(From Subject Date (optional . In-Reply-To) Message-ID
(optional . User-Agent))} by default.
@item message-ignored-mail-headers
@vindex message-ignored-mail-headers
-Regexp of headers to be removed before mailing. The default is
-@samp{^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:}.
+Regexp of headers to be removed before mailing. The default is@*
+@samp{^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:\\|@*
+^X-Gnus-Agent-Meta-Information:}.
@item message-default-mail-headers
@vindex message-default-mail-headers
@item message-ignored-news-headers
@vindex message-ignored-news-headers
Regexp of headers to be removed before posting. The default is@*
-@samp{^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:}.
+@samp{^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|@*
+^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:}.
@item message-default-news-headers
@vindex message-default-news-headers
@item message-default-charset
@vindex message-default-charset
@cindex charset
-Symbol naming a @acronym{MIME} charset. Non-@acronym{ASCII}
-characters in messages are assumed to be encoded using this charset.
-The default is @code{nil}, which means ask the user. (This variable
-is used only on non-@sc{mule} Emacsen. @xref{Charset Translation, ,
-Charset Translation, emacs-mime, Emacs MIME Manual}, for details on
-the @sc{mule}-to-@acronym{MIME} translation process.
+Symbol naming a @acronym{MIME} charset. Non-@acronym{ASCII} characters
+in messages are assumed to be encoded using this charset. The default
+is @code{iso-8859-1} on non-@sc{mule} Emacsen; otherwise @code{nil},
+which means ask the user. (This variable is used only on non-@sc{mule}
+Emacsen.) @xref{Charset Translation, , Charset Translation, emacs-mime,
+Emacs MIME Manual}, for details on the @sc{mule}-to-@acronym{MIME}
+translation process.
@item message-signature-separator
@vindex message-signature-separator