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	"description": "Funções extras no aluno online, como o calculo das notas e as frequencias por materia!",
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            "32" : "icon32.png"
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        "default_title": "Unicesumar Extend"
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    "permissions": [
        "tabs",
        "declarativeContent"
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    "background": {
        "scripts": ["background.js"],
        "persistent": false
    },

    "content_scripts": [ {
        "js": [ "inject/jquery.js", "inject/notas.js" ],
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{
	"manifest_version": 2,
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        "tabs",
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    },

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        "css": [ "inject/notas-style.css" ],
        "matches": [ "https://*.cesumar.br/*notas_freq.asp" ]
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}

Change the Manifest to new version
Change the Manifest to new version
