Rebol Programming/svvf

SVVF is an object of value:

   sensor          object!   [redraw detect over engage cue blink]
   hot             object!   [redraw detect over engage cue blink]
   hot-area        object!   [redraw detect over engage cue blink]
   reset-related-faces function! [face]
   check           object!   [redraw detect over engage cue blink]
   check-radio     object!   [redraw detect over engage]
   led             object!   [redraw detect over engage cue blink]
   button          object!   [redraw detect over engage cue blink]
   btn             object!   [redraw detect over engage cue blink]
   icon            object!   [redraw detect over engage cue blink]
   subicon         object!   [redraw detect over engage cue blink]
   toggle          object!   [redraw detect over engage cue blink]
   tog             object!   [redraw detect over engage cue blink]
   rotary          object!   [redraw detect over engage cue blink next-face bac...
   choice          object!   [redraw detect over engage cue blink]
   choice-iterator object!   [redraw detect over engage]
   drag-off        function! [bar drag val /local bmax ax]
   drag            object!   [redraw detect over engage]
   slide           object!   [redraw detect over engage]
   move-drag       function! [face val]
   scroll          object!   [redraw detect over engage]
   scroll-button   object!   [redraw detect over engage cue blink set-col flag]
   progress        object!   [redraw detect over engage]
   dropdown        object!   [redraw detect over engage]