$OpenBSD: patch-modules_prefer-plain_e-mail-parser-prefer-plain_c,v 1.1 2013/01/30 07:21:01 ajacoutot Exp $

From 61f3f5669ac6418c33dd4bbfaef61ee29bd9fecd Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Tue, 29 Jan 2013 13:50:00 +0000
Subject: Bug #692775 - Double-quoting message with HTML and text

--- modules/prefer-plain/e-mail-parser-prefer-plain.c.orig	Sat Jan 19 18:35:13 2013
+++ modules/prefer-plain/e-mail-parser-prefer-plain.c	Wed Jan 30 07:34:52 2013
@@ -322,6 +322,20 @@ empe_prefer_plain_parse (EMailParserExtension *extensi
 	}
 
 	if (plain_text_parts) {
+		if (parts && nparts > 1) {
+			/* a text/html part is hidden, but not marked as attachment,
+			   thus do that now, when there exists a text/plain part */
+			GSList *piter;
+
+			for (piter = parts; piter; piter = g_slist_next (piter)) {
+				EMailPart *mpart = piter->data;
+
+				if (mpart && mpart->is_hidden && g_strcmp0 (mpart->mime_type, "text/html") == 0) {
+					mpart->is_attachment = TRUE;
+				}
+			}
+		}
+
 		/* plain_text parts should be always first */
 		parts = g_slist_concat (plain_text_parts, parts);
 	}
