Element next = heading.nextElementSibling();
        while (true) {
            if (next == null || next.tagName().equals("h2")) {
                Element section = heading.before("<section class='topic'/>").previousElementSibling();
                Elements inSectionElements = new Elements(inSection);
                section.html(inSectionElements.outerHtml());
                inSectionElements.remove();

ctor.call(e,t),children:(t,e)=>[].concat(...t.children).filter((t=>t.matches(e))),parents(t,e){const s=[];let i=t.parentNode.closest(e);for(;i;)s.push(i),i=i.parentNode.closest(e);return s},prev(t,e){let s=t.previousElementSibling;for(;s;){if(s.matches(e))return[s];s=s.previousElementSibling}return[]},next(t,e){let s=t.nextElementSibling;for(;s;){if(s.matches(e))return[s];s=s.nextElementSibling}return[]},focusableChildren(t){const e=["a","button","input","textarea","select","details","[tabindex]...

parents.push(ancestor)\n      ancestor = ancestor.parentNode.closest(selector)\n    }\n\n    return parents\n  },\n\n  prev(element, selector) {\n    let previous = element.previousElementSibling\n\n    while (previous) {\n      if (previous.matches(selector)) {\n        return [previous]\n      }\n\n      previous = previous.previousElementSibling\n    }\n\n    return []\n  },\n  // TODO: this is now unused; remove later along with prev()\n  next(element, selector) {\n    let next = element.nextElementSibling\n\n...