anchor.diff:  	  (push accum-blue-size attribs))
   	;; if major *and* minor are specified use fb config code path
   	;; otherwise just use old style visual selection and context creation
  +	(format t "Creating fb-config and visuals~%")
   	(if (and major minor)
   	    ;;create fb-config and visual
   	    (progn
  
positive.code:       ;; set title
        (glop-x11::x-store-name (x11-window-display win) (x11-window-id win) title)
        (setf (slot-value win 'title) title)
        ;; create a GL context and make it current same as for the visual regarding to major/minor
        ;; values
        (setf (window-gl-context win) (create-gl-context win :major major :minor minor
  
negative.code:                   (glop-x11::glx-choose-visual (x11-window-display win)
                                                 (x11-window-screen win)
                                                 attribs))))
        (format t "Creating window ~%Window structure: ~S~%" win)
        ;; create window
        (setf (x11-window-id win) (glop-x11::x-create-window
                                   (x11-window-display win)
  