Fix HTML part detection when encapsulated inside multipart/signed (#1489372)

Aleksander Machniak

2013-10-14 5a2d2a6f75b115183459997cc2aa787d9a085fe8

1
tinyMCE.addI18n('si.paste_dlg',{"word_title":"Use CTRL+V on your keyboard to paste the text into the window.","text_linebreaks":"Keep linebreaks","text_title":"Use CTRL+V on your keyboard to paste the text into the window."});