Fix HTML part detection for some specific message structures (#1488992)

Aleksander Machniak

2013-03-13 567e45ba565b1d03d8dc981dc0dfbc49eec4a355

1
tinyMCE.addI18n('en.advhr_dlg',{size:"Height",noshade:"No Shadow",width:"Width",normal:"Normal",widthunits:"Units"});