anchor.diff:  
   (defclass next-interface ()
     ((window :accessor window :initarg :window)
  -   (minibuffer :accessor minibuffer :initarg minibuffer)))
  +   (minibuffer-view :accessor minibuffer-view :initarg :minibuffer-view)))
   
   (defclass minibuffer-view ()
  -  ((input-entry :accessor input-entry :initarg :input-entry)
  +  ((container-view :accessor container-view :initarg :container-view)
  +   (input-entry :accessor input-entry :initarg :input-entry)
      (completion-model :accessor completion-model :initarg :completion-model)
      (completion-view :accessor completion-view :initarg :completion-view)))
   
  
positive.code:           (column (gtk:gtk-tree-view-column-new-with-attributes
                     "Name" renderer "text" 0)))
       (gtk:gtk-tree-view-append-column list-view column)
       (gtk:gtk-list-store-set model (gtk:gtk-list-store-append model)
                               "Element 0")
       (gobject:g-signal-connect window "destroy"
                                 (lambda (widget)
                                   (declare (ignore widget))
                                   (gtk:leave-gtk-main)))
       (gtk:gtk-box-pack-start box button-a)
       (gtk:gtk-box-pack-start box entry :expand nil)
       (gtk:gtk-box-pack-start box list-view :expand nil)
       (gtk:gtk-container-add window box)
       (gobject:g-signal-connect
        window "key_press_event"
        (lambda (window event)
  
negative.code:                           :title "nEXT"
                            :default-width 250
                            :border-width 0))
            (button
             (make-instance 'gtk:gtk-button
                            :label "Browser View Placeholder"))
            (entry
             (make-instance 'gtk:gtk-entry
                            :text "Minibuffer Input"))
            (root-box
             (make-instance 'gtk:gtk-box
                            :orientation :vertical
                            :spacing 0))
            (minibuffer-box
             (make-instance 'gtk:gtk-box
                            :orientation :vertical
                            :spacing 0))
  