def __init__(self):
        RichTextAreaImpl.__init__(self)
        """*
        * Holds a cached copy of any user setHTML/setText actions until the real
        * text area is fully initialized.  Becomes <code>None</code> after init.
        """
        self.beforeInitPlaceholder = DOM.createDiv()

        """*
        * Set to True when the {@link RichTextArea} is attached to the page and
        * {@link #initElement()} is called.  If the {@link RichTextArea} is detached
        * before {@link #onElementInitialized()} is called, this will be set to
        * False.  See issue 1897 for details.
        """
        self.initializing = False