From c9ea7a39daff28e0c75df8b5853fbd4a9bda6bba Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 4 Aug 2014 20:16:51 +0000
Subject: filter: preserve QP when collapsing multipart

HTML clients also tend to send quoted-printable crap in
their plain-text parts, preserve that so it's displayed
correctly for all QP-capable handlers.
---
 lib/PublicInbox/Filter.pm | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib')

diff --git a/lib/PublicInbox/Filter.pm b/lib/PublicInbox/Filter.pm
index a1587682..e784cded 100644
--- a/lib/PublicInbox/Filter.pm
+++ b/lib/PublicInbox/Filter.pm
@@ -201,6 +201,10 @@ sub collapse {
 	my ($mime, $part) = @_;
 	$mime->header_set('Content-Type', $part->content_type);
 	$mime->body_set($part->body_raw);
+	my $cte = $part->header('Content-Transfer-Encoding');
+	if (defined($cte) && length($cte)) {
+		$mime->header_set('Content-Transfer-Encoding', $cte);
+	}
 	mark_changed($mime);
 	return 1;
 }
-- 
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