internal static void Normalize(Form1 form) { XtraTabControl pagesTabControl = form.pagesTabControl; CustomRichTextBox pageTextBox = ProgramUtil.GetPageTextBox(pagesTabControl.SelectedTabPage); pageTextBox.SelectAll(); pageTextBox.SelectedText = FormatManager.EncodeHTMLTagsForXMLValidation(pageTextBox.Text); TextManager.RefreshUndoRedoExternal(form); }