message: chore: opt-in omitted specs to webref
  Now the only exception is Permissions, which unexpectedly does not exports PermissionName.
diff: },
  {
  "url": "https://www.w3.org/TR/css-overflow-3/",
  - "title": "CSS Overflow"
  + "title": "CSS Overflow",
  + "shortName": "css-overflow"
  },
  {
  "url": "https://www.w3.org/TR/css-overscroll-1/",
  - "title": "CSS Overscroll Behavior"
  + "title": "CSS Overscroll Behavior",
  + "shortName": "css-overscroll"
  },
  {
  "url": "https://drafts.csswg.org/css-pseudo-4/",
  "title": "WebVTT",
  "shortName": "webvtt"
  },
  - {
  - "url": "https://drafts.css-houdini.org/worklets/",
  - "title": "Worklets"
  - },
  {
  "url": "https://xhr.spec.whatwg.org/",
  "title": "XMLHttpRequest",
  