{
  "name": "Octosplit",
  "version": "0.0.5",
  "description": "Side by side diffs and word wrapping in GitHub",
  "manifest_version": 5,
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "content_scripts": [{
    "matches": ["https://github.com/*/pull/*", "https://github.com/*/commit/*"],
    "run_at": "document_end",
    "css": ["css/octosplit.css"],
    "js": ["js/vendor/jquery-1.9.1.min.js", "js/octosplit.js"]
  }]
}

{
  "name": "Octosplit",
  "version": "0.0.5",
  "description": "Side by side diffs and word wrapping in GitHub",
  "manifest_version": 5,
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "content_scripts": [{
    "matches": ["https://github.com/*/pull/*", "https://github.com/*/commit/*", "https://github.com/*/compare/*"],
    "run_at": "document_end",
    "css": ["css/octosplit.css"],
    "js": ["js/vendor/jquery-1.9.1.min.js", "js/octosplit.js"]
  }]
}

Add "*/compare/*" url regex to matches url.
Add "*/compare/*" url regex to matches url.
