[DRAFT] Upstream the Scroll To Text Fragment specification

[domfarolino]

This PR upstreams the WICG Scroll To Text Fragment specification into the HTML Standard.

This PR is a very rough draft that I'll be pushing up to frequently until the entire content is ready for review.

• At least two implementers are interested (and none opposed):
  • Chromium: https://groups.google.com/a/chromium.org/g/blink-dev/c/zlLSxQ9BA8Y
  • WebKit: https://webkit.org/blog/16301/webkit-features-in-safari-18-2/
  • Gecko: Scroll To Text Fragment mozilla/standards-positions#194
• Tests are written and can be reviewed and commented upon at:
  • …
• Implementation bugs are filed: N/A
• Corresponding HTML AAM & ARIA in HTML issues & PRs:
• MDN issue is filed: …
• The top of this comment includes a clear commit message to use.

(See WHATWG Working Mode: Changes for more details.)

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/browsing-the-web.html ( diff )
/index.html ( diff )
/infrastructure.html ( diff )
/rendering.html ( diff )
/speculative-loading.html ( diff )
/web-messaging.html ( diff )
/webappapis.html ( diff )
/webstorage.html ( diff )
/workers.html ( diff )

[smaug----]

@jnjaeschke