dotfiles/karabiner/assets/complex_modifications/uk-backtick.json

{
  "title": "Fix backtick on ISO keyboard",
  "rules": [
    {
      "description": "Fix backtick on ISO keyboard",
      "manipulators": [
        {
          "type": "basic",
          "conditions": [
            {
              "type": "input_source_if",
              "input_sources": [
                {
                  "language": "en"
                }
              ]
            }
          ],
          "from": {
            "key_code": "non_us_backslash"
          },
          "to": {
            "key_code": "grave_accent_and_tilde"
          }
        }
      ]
    }
  ]
}