This plugin adds the ability to see invisible characters like displayed in the editable area. It also adds a toolbar control and a menu item Show invisible characters under the View menu.
tinymce.init({
selector: 'textarea', // change this value according to your HTML
plugins: 'visualchars',
toolbar: 'visualchars'
});This setting affects the execution of the visualchars plugin. Characters can be configured to be visible by default using this option.
The Visual Blocks plugin provides the following {productname} command.