<?xml version="1.0" encoding="utf-8"?> <form> <fieldset> <field name="extension_id" type="hidden" /> <field name="filename" type="hidden" /> <field name="source" type="editor" label="COM_TEMPLATES_FIELD_SOURCE_LABEL" description="COM_TEMPLATES_FIELD_SOURCE_DESC" editor="codemirror|none" buttons="no" height="500px" rows="20" cols="80" syntax="php" filter="raw" /> </fieldset> </form>