English is the default setting of Rich Text Editor, but you can adjust this to your needs by including the new language file.
Richtexteditor's language setting can be easily adjusted.
<link rel="stylesheet" href="/richtexteditor/rte_theme_default.css" /> <script type="text/javascript" src="/richtexteditor/rte.js"></script> <script type="text/javascript" src='/richtexteditor/plugins/all_plugins.js'></script>
<div id="div_editor1"> <p>Richtexteditor's language setting can be easily adjusted.</p> <p> <img src='/images/editor-image.png' /> </p> </div> <script> var editor1 = new RichTextEditor("#div_editor1"); </script>