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Given a single document, intra-document tools are used to aid navigation. Landmarks within a document may be chosen to reflect the semantic, structural or other attributes of the document. In the current implementation, two landmark maps may be appended to a document in CASCADE; Mural and TileBar. Each provides a view of selected attributes as seen in the displayed part of the document as well as the document not displayed.

Michael Spring
Mon Dec 16 14:39:59 EST 1996