| http://www.w3.org/ns/prov#value | - When an icon on this ???home??? toolbar is selected, a window (not shown) separate from that shown in FIG. 5a can be opened or, alternatively, the FIG. 5a window itself can be used, with a button or other means being provided to allow the user to switch between the icons representing the ???home??? groups of links and the icons representing the other groups of links.
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