File Content: plugin.min.js !function(){"use strict";var n=tinymce.util.Tools.resolve("tinymce.PluginManager"),t=function(n){n.addCommand("InsertHorizontalRule",function(){n.execCommand("mceInsertContent",!1,"<hr />")})},o=function(n){n.addButton("hr",{icon:"hr",tooltip:"Horizontal line",cmd:"InsertHorizontalRule"}),n.addMenuItem("hr",{icon:"hr",text:"Horizontal line",cmd:"InsertHorizontalRule",context:"insert"})};n.add("hr",function(n){t(n),o(n)})}(); Submit