anchor.diff:              // TODO: Expose error to user so they can retry
               console.error('Error encountered "' + errorThrown + '" when updating image "' + imgSetId + '"');
   
  -            // TODO: Reset status to previous state
  +            // Reset status to previous state
  +            // TODO: Test resetting to previous state on failure
  +            $imagesEqual.attr('data-images-equal', oldStatus);
             });
   
             // When loading completes, remove loading state and update image references
  
positive.code:     //- [x] TODO: Next: Add image acceptance support for matched images
      //- [x] TODO: Next: Filter out unselected matched images
      //- [x] TODO: Next: Move to button triggered image matching (i.e. clicking button uses preloaded overlay data but will generate results)
      //- [ ] TODO: Next: Add click/drag overlay support
      //-    [x] Mostly done, want to fix up expands to only expand bad images
      //-    [ ] Then highlight new overlay area better in "Similar images"
      //-    [ ] Then remove "Similar images" when we update it
      //- [ ] TODO: Next: Add result update (i.e. pass/fail) if we still lack it
  
      //- Setup our overlay definition
  
negative.code:       .image-set__title[data-images-equal="false"] {
          color: red;
        }
        .image-set__title[data-images-equal="updating"] {
          color: black;
        }
        .image-set__title[data-images-equal="true"] {
          color: green;
        }
  