[evolution] Bug #494531 - Use quoted-printable encoding when necessary

[Milan Crha <mcrha src gnome org>]

commit cd0112576878cb5de3930835ff09f1562e9f5c10
Author: David Liang <dliang novell com>
Date:   Mon Aug 31 13:07:00 2009 +0200

    Bug #494531 - Use quoted-printable encoding when necessary
    
    For example when part body contains a line longer than some max.

 composer/e-msg-composer.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/composer/e-msg-composer.c b/composer/e-msg-composer.c
index 1b2d5c6..02e5db7 100644
--- a/composer/e-msg-composer.c
+++ b/composer/e-msg-composer.c
@@ -283,7 +283,7 @@ best_encoding (GByteArray *buf, const gchar *charset)
 	if (status == (gsize) -1 || status > 0)
 		return -1;
 
-	if (count == 0)
+	if ((count == 0) && (buf->len < LINE_LEN))
 		return CAMEL_TRANSFER_ENCODING_7BIT;
 	else if (count <= buf->len * 0.17)
 		return CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE;
@@ -703,6 +703,7 @@ build_message (EMsgComposer *composer,
 		part = camel_mime_part_new ();
 		camel_medium_set_content_object (CAMEL_MEDIUM (part), html);
 		camel_object_unref (html);
+		camel_mime_part_set_encoding (part, CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE);
 		camel_multipart_add_part (body, part);
 		camel_object_unref (part);