Examine source code of Matisa

{
  "manifest_version": 2,
  "name": "Matisa",
  "description": "This extension allows Isabelle math syntax on GitHub to be appropriately typeset.",
  "version": "1.1.1resigned1",
  "browser_action": {
    "default_icon": "matisa128.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "matisa16.png",
    "128": "matisa128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://github.com/*"
      ],
      "js": [
        "github/github.js"
      ]
    },
    {
      "matches": [
        "*://bitbucket.org/*"
      ],
      "js": [
        "bitbucket/bitbucket.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "MathJax.js",
    "config/*",
    "extensions/*",
    "fonts/*",
    "jax/*",
    "localization/*",
    "github/matisa.js",
    "bitbucket/matisa.js",
    "isabellesyntax.js"
  ],
  "permissions": [
    "*://github.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{312f68b1-d08f-4750-8c05-615194f7f834}"
    }
  }
}