From bbc8565e5afa7e5352bc3aaf7cf067066ec6d4b1 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Thu, 04 Mar 2010 03:17:04 -0500
Subject: [PATCH] Flag original messages after sending a draft (#1486203)

---
 program/steps/mail/sendmail.inc |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index 134664b..abd4209 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -314,6 +314,12 @@
 if (!empty($_SESSION['compose']['reply_msgid']))
   $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
 
+// remember reply/forward UIDs in special headers
+if (!empty($_SESSION['compose']['reply_uid']) && $savedraft)
+  $headers['X-Reply-UID'] = $_SESSION['compose']['reply_uid'];
+else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft)
+  $headers['X-Forward-UID'] = $_SESSION['compose']['forward_uid'];
+
 if (!empty($_SESSION['compose']['references']))
   $headers['References'] = $_SESSION['compose']['references'];
 

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