start adding image support, rework hover to be a self-contained component (tex hover not really working yet -- can't decide whether to put pointer events on tex spans).
tweaking hover behavior + token format. still trying to figure out
what's up with TeX hover, introduce hack where the hover content is a
function to force it to discard the old component for now
Image support + synonyms
default title, flag doc when not saved
minor tweaks, disable highlight by default
add link to parser
name app in close warning