Allow searching for a descendant of a given element.
Add links for navigating through the XML/HTML tree.
Show search queries in existing searchbox, not new one.
Create pages describing elements & style Amphiarao.
Show syntax-highlighted start tags for elements in HTML UI.
Expose CSS selector search in UI FIXME: build the linked pages.
Parse web (or Gemini) pages & extract title.
Allow navigating (tab) history.
Allow testing reloading of webpages.
Refactoring, allowing reading which URL was loaded.
Allow loading webpage, commit missing files.