[evolution] Bug #692775 - Double-quoting message with HTML and text

[Milan Crha <mcrha src gnome org>]

commit 6d7b644e8e890929d267fbfffcaed5e60d9dff2a
Author: Milan Crha <mcrha redhat com>
Date:   Tue Jan 29 14:49:27 2013 +0100

    Bug #692775 - Double-quoting message with HTML and text

 modules/prefer-plain/e-mail-parser-prefer-plain.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/modules/prefer-plain/e-mail-parser-prefer-plain.c b/modules/prefer-plain/e-mail-parser-prefer-plain.c
index 1351b33..914b969 100644
--- a/modules/prefer-plain/e-mail-parser-prefer-plain.c
+++ b/modules/prefer-plain/e-mail-parser-prefer-plain.c
@@ -311,6 +311,20 @@ empe_prefer_plain_parse (EMailParserExtension *extension,
 	if (has_calendar || (nparts > 1 && emp_pp->mode == PREFER_HTML))
 		hide_parts (&plain_text_parts);
 
+	if (!g_queue_is_empty (&plain_text_parts) && !g_queue_is_empty (&work_queue) && nparts > 1) {
+		/* a text/html part is hidden, but not marked as attachment,
+		   thus do that now, when there exists a text/plain part */
+		GList *qiter;
+
+		for (qiter = g_queue_peek_head_link (&work_queue); qiter; qiter = g_list_next (qiter)) {
+			EMailPart *mpart = qiter->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 */
 	e_queue_transfer (&plain_text_parts, out_mail_parts);
 	e_queue_transfer (&work_queue, out_mail_parts);