anchor.diff:  
   
   (defmethod shared-initialize ((dialog message-dialog) names &rest initargs
  -			      &key buttons text 
  +			      &key message-type buttons button text 
   			      #?(pkg-exists-p "gtk+-2.0" :atleast-version "2.6.0")
   			      secondary-text)
     (declare (ignore names))
  
positive.code:   #?(pkg-exists-p "gtk+-2.0" :atleast-version "2.6.0")
    (when secondary-text
      (message-dialog-format-secondary-markup dialog secondary-text))
    (if (typep buttons 'buttons-type)
        (apply #'call-next-method dialog names (plist-remove :buttons initargs))
      (call-next-method)))
  
negative.code: ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  ;; $Id: gtk.lisp,v 1.81 2007-07-12 13:55:59 espen Exp $
  
  
  (in-package "GTK")
  