chamilo-lms2/vendor/cocur/slugify/Resources/rules/croatian.json

{
  "Č": "C",
  "Ć": "C",
  "Ž": "Z",
  "Š": "S",
  "Đ": "Dj",
  "č": "c",
  "ć": "c",
  "ž": "z",
  "š": "s",
  "đ": "dj"
}