diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/js/tinymce/plugins/hr/plugin.min.js
--- a/wp/wp-includes/js/tinymce/plugins/hr/plugin.min.js	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/js/tinymce/plugins/hr/plugin.min.js	Mon Oct 14 17:39:30 2019 +0200
@@ -1,1 +1,1 @@
-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"})});
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+!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)})}();
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