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"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.
모음집을 제작하시려면 Mozilla 부가 기능 계정이 있어야 합니다.
아니면 현재 사용중인 계정으로 로그인 하세요
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![[경고]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=8e0826b9-6658be27)
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Some add-ons ask for permission to perform certain functions. Since you’re in control of your Thunderbird, the choice to grant or deny these requests is yours.
Please note this add-on uses legacy technology, which gives it access to all browser functions and data without requesting your permission.
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