{
  "title": "Book Query with Union",
  "origin_url": "https://www.w3schools.com/xml/xpath_syntax.asp",
  "license_guess": null,
  "code_sha256": "83637555c1c52001c37c505d72e489a1e1ed6ee1d3c7e0848e1fe01ed19ec215",
  "added_at": "2026-02-06T08:33:29Z"
}