Examine source code of Hebrew spell-checking dictionary (from HSpell)

{
  "dictionaries": {
    "he": "dictionaries/he.dic"
  },
  "version": "1.4.2resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "he@dictionaries.addons.mozilla.org"
    }
  },
  "name": "Hebrew spell-checking dictionary (from HSpell)",
  "manifest_version": 2
}