| 1. | Support input and output device-independence [expand] |
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| 2. | Ensure user access to all content [expand] |
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| 3. | Allow configuration not to render some content that may reduce accessibility [expand] |
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| 4. | Ensure user control of rendering [expand] |
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| 5. | Ensure user control of user interface behavior [expand] |
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| 6. | Implement interoperable application programming interfaces [expand] |
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| 7. | Observe operating environment conventions [expand] |
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| 8. | Implement specifications that benefit accessibility [expand] |
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| 9. | Provide navigation mechanisms [expand] |
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| 10. | Orient the user [expand] |
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| 11. | Allow configuration and customization [expand] |
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| 12. | Provide accessible user agent documentation and help [expand] |
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