TextMarker Go

Highlight the selected text. 1) Seven highlight colors 2) An arrow flag is added on the right side of the page 3) Hotkeys for highlight selected text and jump to highlighted text
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manifest.json
{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "{cd6c4ebf-366e-45a0-98b5-b8217288eed7}"
    }
  },
  "author": "SUN Chun-Yen",
  "name": "Textmarker Go",
  "version": "0.10resigned1",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "/icons/icon.svg",
    "96": "/icons/icon.svg"
  },
  "browser_action": {
    "default_icon": "/icons/icon.svg",
    "browser_style": true,
    "default_title": "__MSG_browserActionTitle__",
    "default_popup": "/popup/popup.html",
    "theme_icons": [
      {
        "light": "icons/icon-light.svg",
        "dark": "icons/icon.svg",
        "size": 16
      }
    ]
  },
  "commands": {
    "mark-text": {
      "suggested_key": {
        "default": "F9"
      },
      "description": "Use the default color to mark the selections"
    },
    "mark-text-ctrl": {
      "suggested_key": {
        "default": "Ctrl+F9"
      },
      "description": "Use the second color to mark the selections"
    },
    "mark-text-shift": {
      "suggested_key": {
        "default": "Shift+F9"
      },
      "description": "Use the third color to mark the selections"
    },
    "clear-all-marks": {
      "suggested_key": {
        "default": "Ctrl+Shift+F9"
      },
      "description": "Clear all the marks"
    },
    "go-to-mark": {
      "suggested_key": {
        "default": "F2"
      },
      "description": "Go to mark"
    }
  },
  "background": {
    "scripts": [
      "colors.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "textmarkergo.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "options_ui": {
    "page": "/options/options.html"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage"
  ]
}