| http://www.w3.org/ns/prov#value | - omprising:(a) displaying a window on the computer display, the window displaying at least a portion of the hypertext document, and the window including a scroll bar configured to display selected portions of the hypertext document in the window in response to user input, the scroll bar including a slider; and (b) indicating on the scroll bar, and other than with the slider, a position of the prede
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