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Provide programmatic access to the features and
capabilities of application objects
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this is where ATK is used
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done for stock GTK+ widgets by GAIL
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Keyboard navigation: are all the functions in an application useable from the keyboard alone?
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Useful for someone who is blind or otherwise can not use the mouse.
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Don't forget tab order!
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Theming: does an application use the standard mechanisms for theming?
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Useful for someone who has low vision, and may need to consistently magnify text and icons.
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Also for users with only moderate vision problems.
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Some users require exclusively high or low contrast.
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