> Or integrate it with dom.el, which covers much the same area, but with a
> different approach.  The query selectors in esxml-query would complement
> those functions nicely, I think. 

That's an interesting proposal as esxml-query.el contains ad-hoc
functions to retrieve tag attributes/children which have been covered by
dom.el already.  How about changing the file name from esxml-query.el to
dom-query.el and the package prefix from esxml- to dom-, would that work
for you?