chromium/third_party/blink/renderer/core/html/parser/html_tokenizer_names.json5

{
  metadata: {
    namespace: "html_tokenizer_names",
  },

  data: [
    {
      name: "--",
      Symbol: "kDashDash",
    },
    "doctype",
    {
      name: "[CDATA[",
      Symbol: "kCdata",
    },
    "public",
    "system",
  ],
}