How to write Firefox extensions

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[masutaro]

firefox

[fumi1]

[Firefox] [Extension] [Programming]

[tsukkee]

Firefox機能拡張の作り方

[ttakezawa]

tutorialが良い

[hirozo]

インターネットの接続エラー画面を便利にするfirefoxの拡張

[sousk]

extension 開発 weblog

[pho]

proxyがあると見られないみたい