Multiple Search and Highlight

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "version": "0.4.4",
  "name": "Multiple Search and Highlight",
  "description": "Highlight multiple words separated by comma, space or arbitrary separator with persistent history",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "homepage_url": "https://add0n.com/multiple-highlight.html",
  "background": {
    "persistent": false,
    "scripts": [
      "app.js/base.js",
      "data/popup/utils.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "data/popup/index.html"
  },
  "offline_enabled": true,
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png",
    "256": "data/icons/256.png",
    "512": "data/icons/512.png"
  },
  "commands": {
    "_execute_browser_action": {},
    "remove_highlight": {
      "description": "Remove all highlights"
    },
    "ckey_highlight": {
      "description": "Highlight the last searched query without opening the extension's interface"
    }
  },
  "options_ui": {
    "page": "data/options/index.html",
    "chrome_style": true,
    "open_in_tab": true
  }
}