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Deontix.com editors are aware of the relevant standard, ISO/IEC 24751 parts 1-3, "Individualized adaptability and accessibility in e-learning, education and training". The data structures defined in that standard are expressive enough to capture the specifics of Madeline's needs and preferences as well as those of a broad constellation of other accessibility challenges. However, they can't see how to elicit this information in any practical way–The naive notion of asking a series of need and preference questions at the time a user accesses their online resources was quickly rejected.
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