Examine source code of Spellchecker Rumantsch Puter

{
  "dictionaries": {
    "rm-puter": "dictionaries/rm-puter.dic"
  },
  "version": "2.2.0.260121",
  "browser_specific_settings": {
    "gecko": {
      "id": "rm-puter@dictionaries.addons.mozilla.org"
    }
  },
  "name": "Spellchecker Rumauntsch Puter",
  "manifest_version": 2
}