@@ -0,0 +1,223 @@
+Index: mailnews/compose/public/nsIMsgComposeParams.idl
+===================================================================
+RCS file: /cvsroot/mozilla/mailnews/compose/public/nsIMsgComposeParams.idl,v
+retrieving revision 1.8
+diff -u -p -r1.8 nsIMsgComposeParams.idl
+--- mailnews/compose/public/nsIMsgComposeParams.idl 16 Sep 2005 15:18:32 -0000 1.8
++++ mailnews/compose/public/nsIMsgComposeParams.idl 6 Apr 2006 02:26:57 -0000
+@@ -59,6 +59,7 @@ interface nsIMsgCompType {
+ const long Template = 10;
+ const long MailToUrl = 11;
+ const long ReplyWithTemplate = 12;
++ const long ReplyToList = 13;
+ };
+
+
+Index: mailnews/mime/public/nsMailHeaders.h
+===================================================================
+RCS file: /cvsroot/mozilla/mailnews/mime/public/nsMailHeaders.h,v
+retrieving revision 1.11
+diff -u -p -6 -r1.11 nsMailHeaders.h
+--- mailnews/mime/public/nsMailHeaders.h 28 Feb 2005 17:10:57 -0000 1.11
++++ mailnews/mime/public/nsMailHeaders.h 14 Aug 2006 07:31:12 -0000
+@@ -62,12 +62,13 @@
+ #define HEADER_DISTRIBUTION "Distribution"
+ #define HEADER_FCC "FCC"
+ #define HEADER_FOLLOWUP_TO "Followup-To"
+ #define HEADER_FROM "From"
+ #define HEADER_STATUS "Status"
+ #define HEADER_LINES "Lines"
++#define HEADER_LIST_POST "List-Post"
+ #define HEADER_MAIL_FOLLOWUP_TO "Mail-Followup-To"
+ #define HEADER_MAIL_REPLY_TO "Mail-Reply-To"
+ #define HEADER_MESSAGE_ID "Message-ID"
+ #define HEADER_MIME_VERSION "MIME-Version"
+ #define HEADER_NEWSGROUPS "Newsgroups"
+ #define HEADER_ORGANIZATION "Organization"
+@@ -99,12 +100,13 @@
+ #define HEADER_X_SUN_CONTENT_LINES "X-Sun-Content-Lines"
+ #define HEADER_X_SUN_DATA_DESCRIPTION "X-Sun-Data-Description"
+ #define HEADER_X_SUN_DATA_NAME "X-Sun-Data-Name"
+ #define HEADER_X_SUN_DATA_TYPE "X-Sun-Data-Type"
+ #define HEADER_X_SUN_ENCODING_INFO "X-Sun-Encoding-Info"
+ #define HEADER_X_PRIORITY "X-Priority"
++#define HEADER_X_REPLY_TO "X-Reply-To"
+
+ #define HEADER_PARM_CHARSET "charset"
+ #define HEADER_PARM_START "start"
+ #define HEADER_PARM_BOUNDARY "BOUNDARY"
+ #define HEADER_PARM_FILENAME "FILENAME"
+ #define HEADER_PARM_NAME "NAME"
+Index: mailnews/base/resources/content/mailCommands.js
+===================================================================
+RCS file: /cvsroot/mozilla/mailnews/base/resources/content/mailCommands.js,v
+retrieving revision 1.96.4.4
+diff -u -p -6 -r1.96.4.4 mailCommands.js
+--- mailnews/base/resources/content/mailCommands.js 25 Jun 2006 08:56:04 -0000 1.96.4.4
++++ mailnews/base/resources/content/mailCommands.js 21 Nov 2006 07:35:51 -0000
+@@ -267,12 +267,13 @@ function ComposeMessage(type, format, fo
+ identity = tmpIdentity;
+ }
+ }
+
+ if (type == msgComposeType.Reply ||
+ type == msgComposeType.ReplyAll ||
++ type == msgComposeType.ReplyToList ||
+ type == msgComposeType.ForwardInline ||
+ type == msgComposeType.ReplyToGroup ||
+ type == msgComposeType.ReplyToSender ||
+ type == msgComposeType.ReplyToSenderAndGroup ||
+ type == msgComposeType.Template ||
+ type == msgComposeType.Draft)
+Index: mailnews/compose/src/nsMsgCompose.cpp
+===================================================================
+RCS file: /cvsroot/mozilla/mailnews/compose/src/nsMsgCompose.cpp,v
+retrieving revision 1.460.2.27
+diff -u -p -6 -r1.460.2.27 nsMsgCompose.cpp
+--- mailnews/compose/src/nsMsgCompose.cpp 4 Jan 2007 19:34:56 -0000 1.460.2.27
++++ mailnews/compose/src/nsMsgCompose.cpp 10 Jan 2007 09:01:35 -0000
+@@ -1748,12 +1748,13 @@ nsresult nsMsgCompose::CreateMessage(con
+
+ switch (type)
+ {
+ default: break;
+ case nsIMsgCompType::Reply :
+ case nsIMsgCompType::ReplyAll:
++ case nsIMsgCompType::ReplyToList:
+ case nsIMsgCompType::ReplyToGroup:
+ case nsIMsgCompType::ReplyToSender:
+ case nsIMsgCompType::ReplyToSenderAndGroup:
+ {
+ if (!isFirstPass) // safeguard, just in case...
+ {
+@@ -2192,14 +2193,18 @@ NS_IMETHODIMP QuotingOutputStreamListene
+ compose->GetType(&type);
+
+ // Assign cite information if available...
+ if (!mCiteReference.IsEmpty())
+ compose->SetCiteReference(mCiteReference);
+
+- if (mHeaders && (type == nsIMsgCompType::Reply || type == nsIMsgCompType::ReplyAll || type == nsIMsgCompType::ReplyToSender ||
+- type == nsIMsgCompType::ReplyToGroup || type == nsIMsgCompType::ReplyToSenderAndGroup) && mQuoteOriginal)
++ if (mHeaders && (type == nsIMsgCompType::Reply ||
++ type == nsIMsgCompType::ReplyAll ||
++ type == nsIMsgCompType::ReplyToList ||
++ type == nsIMsgCompType::ReplyToSender ||
++ type == nsIMsgCompType::ReplyToGroup ||
++ type == nsIMsgCompType::ReplyToSenderAndGroup) && mQuoteOriginal)
+ {
+ nsCOMPtr<nsIMsgCompFields> compFields;
+ compose->GetCompFields(getter_AddRefs(compFields));
+ if (compFields)
+ {
+ aCharset.AssignLiteral("UTF-8");
+@@ -2210,12 +2215,13 @@ NS_IMETHODIMP QuotingOutputStreamListene
+ nsAutoString mailReplyTo;
+ nsAutoString mailFollowupTo;
+ nsAutoString newgroups;
+ nsAutoString followUpTo;
+ nsAutoString messageId;
+ nsAutoString references;
++ nsAutoString listPost;
+ nsXPIDLCString outCString;
+ PRBool needToRemoveDup = PR_FALSE;
+ if (!mMimeConverter)
+ {
+ mMimeConverter = do_GetService(NS_MIME_CONVERTER_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+@@ -2263,13 +2269,36 @@ NS_IMETHODIMP QuotingOutputStreamListene
+ recipient += cc;
+ compFields->SetCc(recipient);
+ }
+
+ needToRemoveDup = PR_TRUE;
+ }
+-
++
++ mHeaders->ExtractHeader(HEADER_LIST_POST, PR_TRUE, getter_Copies(outCString));
++ if (!outCString.IsEmpty())
++ mMimeConverter->DecodeMimeHeader(outCString, listPost, charset);
++
++ if (type == nsIMsgCompType::ReplyToList && ! listPost.IsEmpty())
++ {
++ nsString::const_iterator mailtoStart, mailtoEnd;
++ listPost.BeginReading(mailtoStart);
++ listPost.EndReading(mailtoEnd);
++ nsAutoString mailtoText(NS_LITERAL_STRING("<mailto:"));
++ PRBool mailtoFound = FindInReadable(mailtoText, mailtoStart, mailtoEnd);
++
++ // Strip off the leading "<mailto:" and trailing ">"
++ if (mailtoFound && listPost.Equals(mailtoStart.get()) &&
++ listPost.RFindChar('>') == listPost.Length() - 1)
++ {
++ listPost.Cut(0, mailtoText.Length());
++ listPost.Cut(listPost.Length() - 1, 1);
++
++ compFields->SetTo(listPost);
++ }
++ }
++
+ mHeaders->ExtractHeader(HEADER_REPLY_TO, PR_FALSE, getter_Copies(outCString));
+ if (outCString)
+ {
+ mMimeConverter->DecodeMimeHeader(outCString, replyTo, charset);
+ }
+
+@@ -2300,13 +2329,14 @@ NS_IMETHODIMP QuotingOutputStreamListene
+ mHeaders->ExtractHeader(HEADER_REFERENCES, PR_FALSE, getter_Copies(outCString));
+ if (outCString)
+ {
+ mMimeConverter->DecodeMimeHeader(outCString, references, charset);
+ }
+
+- if (! ((type == nsIMsgCompType::ReplyAll) && ! mailFollowupTo.IsEmpty()))
++ if (! ((type == nsIMsgCompType::ReplyAll) && ! mailFollowupTo.IsEmpty()) &&
++ ! ((type == nsIMsgCompType::ReplyToList) && ! listPost.IsEmpty()))
+ {
+ if (! mailReplyTo.IsEmpty())
+ { // handle Mail-Reply-To (http://cr.yp.to/proto/replyto.html)
+ compFields->SetTo(mailReplyTo);
+ needToRemoveDup = PR_TRUE;
+ }
+@@ -2805,12 +2835,13 @@ void nsMsgCompose::CleanUpRecipients(nsS
+ NS_IMETHODIMP nsMsgCompose::RememberQueuedDisposition()
+ {
+ // need to find the msg hdr in the saved folder and then set a property on
+ // the header that we then look at when we actually send the message.
+ if (mType == nsIMsgCompType::Reply ||
+ mType == nsIMsgCompType::ReplyAll ||
++ mType == nsIMsgCompType::ReplyToList ||
+ mType == nsIMsgCompType::ReplyToGroup ||
+ mType == nsIMsgCompType::ReplyToSender ||
+ mType == nsIMsgCompType::ReplyToSenderAndGroup ||
+ mType == nsIMsgCompType::ForwardAsAttachment ||
+ mType == nsIMsgCompType::ForwardInline)
+ {
+@@ -2843,12 +2874,13 @@ nsresult nsMsgCompose::ProcessReplyFlags
+ {
+ nsresult rv;
+ // check to see if we were doing a reply or a forward, if we were, set the answered field flag on the message folder
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