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With the W3C having launched a consultation exercise on HTML 5, and a browser war imminent over the future of ECMA\/Java Script, it is time to reconsider what the discipline of accessibility requires of a hypertext model. This article considers both the original Dexter Model, and, briefly, the related Amsterdam Model of Hypermedia, in terms of the needs of assistive technology, and proposes an alternative, extended view of Hypertext of which the original Dexter Model can be considered a subset.<\/jats:p>","DOI":"10.1145\/1340779.1340780","type":"journal-article","created":{"date-parts":[[2008,2,8]],"date-time":"2008-02-08T15:32:16Z","timestamp":1202484736000},"page":"3-15","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["20 years on"],"prefix":"10.1145","author":[{"given":"Robert","family":"Dodd","sequence":"first","affiliation":[{"name":"University of Teesside, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2008,1]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"World Wide Web Consortium \"Web Accessibility Initiative\" online \"http:\/\/www.w3.org\/WAI\/\".  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