-- in.cue --
ex: {
  "aaa": "aaa",
  "list": "list",
  "zzz": "zzz",
  "AAA": "AAA",
  "html": "html",
  "HTML": "html",
  "ZZZ": "ZZZ",
  "Html": "html",
}
-- out/eval --
(struct){
  ex: (struct){
    aaa: (string){ "aaa" }
    list: (string){ "list" }
    zzz: (string){ "zzz" }
    AAA: (string){ "AAA" }
    html: (string){ "html" }
    HTML: (string){ "html" }
    ZZZ: (string){ "ZZZ" }
    Html: (string){ "html" }
  }
}
-- out/compile --
--- in.cue
{
  ex: {
    aaa: "aaa"
    list: "list"
    zzz: "zzz"
    AAA: "AAA"
    html: "html"
    HTML: "html"
    ZZZ: "ZZZ"
    Html: "html"
  }
}