Fix regression in displaying contents of message/rfc822 parts (#1490606)

Aleksander Machniak

2015-12-14 6463b662cac9c4cc40c4eac47cc4564cb8725cf8

1
tinymce.PluginManager.add("hr",function(a){a.addCommand("InsertHorizontalRule",function(){a.execCommand("mceInsertContent",!1,"<hr />")}),a.addButton("hr",{icon:"hr",tooltip:"Horizontal line",cmd:"InsertHorizontalRule"}),a.addMenuItem("hr",{icon:"hr",text:"Horizontal line",cmd:"InsertHorizontalRule",context:"insert"})});