On 2016-10-18 16:49, Drew Adams wrote:
> People can disagree, however, about how the sequence of filter
> applications should be shown: left-to-right or right-to-left.

I'd love to have always-visible icons that light up when a feature is activated, just like for read-only status in the mode line.  These icons could be to the right of the search bar, too.  Their order would always be the same.